WorldWideScience

Sample records for audiometry

  1. Audiometry

    Science.gov (United States)

    ... The following conditions may affect test results: Acoustic neuroma Acoustic trauma Age-related hearing loss Alport syndrome ... Mosby Elsevier; 2010:chap 190. Read More Acoustic neuroma Acoustic trauma Age-related hearing loss Alport syndrome ...

  2. BRAIN STEM EVOKED RESPONSE AUDIOMETRY A REVIEW

    Directory of Open Access Journals (Sweden)

    Balasubramanian Thiagarajan

    2015-01-01

    Full Text Available Brain stem evoked response audiometry (BERA is a useful objective assessment of hearing. Major advantage of this procedure is its ability to test even infants in whom conventional audiometry may not be useful. This investigation can be used as a screening test for deafness in high risk infants. Early diagnosis and rehabilitation will reduce disability in these children. This article attempts to review the published literature on this subject.

  3. AUDIOMETRY-FIRST STEP TO EARLY DETECTION

    Directory of Open Access Journals (Sweden)

    Slavco CADIEV

    1997-09-01

    Full Text Available The problem of early detection of children with sense of hearing is very complicate. If the damage of sense of hearing is not detected on time and if You don’t take adequate treatment, after seven year that is impossible. Audiometry is one step to reestablishment diagnostic with help of electronic technology.

  4. Auditory assessment of children with severe hearing loss using behavioural observation audiometry and brainstem evoked response audiometry

    OpenAIRE

    Rakhi Kumari; Priyanko Chakraborty; Jain, R K; Dhananjay Kumar

    2016-01-01

    Background: Early detection of hearing loss has been a long-standing priority in the field of audiology. Currently available auditory testing methods include both behavioural and non-behavioural or objective tests of hearing. This study was planned with an objective to assess hearing loss in children using behavioural observation audiometry and brain stem evoked response audiometry. Methods: A total of 105 cases suffering from severe to profound hearing loss were registered. After proper h...

  5. Visual reinforcement audiometry: an Adobe Flash based approach.

    Science.gov (United States)

    Atherton, Steve

    2010-09-01

    Visual Reinforcement Audiometry (VRA) is a key behavioural test for young children. It is central to the diagnosis of hearing-impaired infants (1) . Habituation to the visual reinforcement can give misleading results. Medical Illustration ABM University Health Board has designed a collection of Flash animations to overcome this.

  6. Audiometry and ossicular condition in chronic otitis media

    OpenAIRE

    mohsen Rajati Haghi; Mohamad Mahdi Ghasemi; Mehdi Bakhshaee; Atefeh Taghati; Atefeh Shahabipour

    2009-01-01

      Introduction: Ossicular chain injury is one of the most common causes of hearing loss in chronic otitis media (COM). Although definite diagnosis of ossicular discontinuity is made intraoperatively, preoperative determination of ossicular chain injury will help the surgeon decide about reconstruction options and hearing prognosis of the patient. In this study we compared preoperative pure tone audiometry (PTA) findings of COM patients with the ossicular condition determined during surgery. M...

  7. Prediction of hearing thresholds: Comparison of cortical evoked response audiometry and auditory steady state response audiometry techniques

    OpenAIRE

    Wong, LLN; Yeung, KNK

    2007-01-01

    The present study evaluated how well auditory steady state response (ASSR) and tone burst cortical evoked response audiometry (CERA) thresholds predict behavioral thresholds in the same participants. A total of 63 ears were evaluated. For ASSR testing, 100% amplitude modulated and 10% frequency modulated tone stimuli at a modulation frequency of 40Hz were used. Behavioral thresholds were closer to CERA thresholds than ASSR thresholds. ASSR and CERA thresholds were closer to behavioral thresho...

  8. Extended High Frequency Audiometry in Polycystic Ovary Syndrome

    Directory of Open Access Journals (Sweden)

    Cuneyt Kucur

    2013-01-01

    and BMI of PCOS and control groups were comparable. Each subject was tested with low (250–2000 Hz, high (4000–8000 Hz, and extended high frequency audiometry (8000–20000. Hormonal and biochemical values including LH, LH/FSH, testosterone, fasting glucose, fasting insulin, HOMA-I, and CRP were calculated. Results. PCOS patients showed high levels of LH, LH/FSH, testosterone, fasting insulin, glucose, HOMA-I, and CRP levels. The hearing thresholds of the groups were similar at frequencies of 250, 500, 1000, 2000, and 4000 Hz; statistically significant difference was observed in 8000–14000 Hz in PCOS group compared to control group. Conclusion. PCOS patients have hearing impairment especially in extended high frequencies. Further studies are needed to help elucidate the mechanism behind hearing impairment in association with PCOS.

  9. Audiometry and ossicular condition in chronic otitis media

    Directory of Open Access Journals (Sweden)

    mohsen Rajati Haghi

    2009-07-01

    Full Text Available   Introduction: Ossicular chain injury is one of the most common causes of hearing loss in chronic otitis media (COM. Although definite diagnosis of ossicular discontinuity is made intraoperatively, preoperative determination of ossicular chain injury will help the surgeon decide about reconstruction options and hearing prognosis of the patient. In this study we compared preoperative pure tone audiometry (PTA findings of COM patients with the ossicular condition determined during surgery. Materials and Methods: 97 Patients with COM who underwent ear surgery for the first time were included in the study. A checklist of preoperative clinical findings, audiometric parameters and intraoperative findings was filled out for all patients. Results: Mean amount of Air-Bone Gap (ABG, Bone Conduction threshold (BC and Air Conduction threshold (AC of 97 Patients were 35.17, 13.13 and 48.30 respectively. In ears with or without cholesteatoma, granulation tissue, or otorrhea, mean of AC, BC, and ABG were not significantly different. In ossicular erosion and discontinuity (OD, mean of AC and BC thresholds increased significantly but ABG didn’t change significantly. Conclusion: According to the results of this study, in preoperative assessment of COM patients to predict ossicular condition we recommend considering AC, BC and ABG levels together instead of using ABG alone as is routine in our daily practice.

  10. A STUDY OF HEARING IMPROVEMENT AFTER TYMPANOPLASTY BY MEANS OF PURE TONE AUDIOMETRY

    Directory of Open Access Journals (Sweden)

    Siddharth Nirwan

    2015-01-01

    Full Text Available BACKGROUND : Chronic S uppurative O titis M edia (CSOM is an important cause of preventable hearing loss , particularly in the developing world. Tympanoplasty is a procedure to eradicate the disease in middle ear and to reconstruct hearing mechanism. Pure tone audiometry is an efficient , simple and economic tool to assess the level of postoperative hearing gain

  11. Accuracy of Cortical Evoked Response Audiometry in estimating normal hearing thresholds

    OpenAIRE

    Mahdavi M E; Peyvandi A A

    2007-01-01

    Background: Cortical Evoked Response Audiometry (CERA) refers to prediction of behavioral pure-tone thresholds (500-4000 Hz) obtained by recording the N1-P2 complex of auditory long latency responses. CERA is the preferred method for frequency–specific estimation of audiogram in conscious adults and older children. CERA has an increased accuracy of determination of the hearing thresholds of alert patients with elevated hearing thresholds with sensory hearing loss; however few publications rep...

  12. STANDARDIZNG OF BRAINSTEM EVOKED RESPONSE AUDIOMETRY VALUES PRELIMINARY TO STARTING BERA LAB IN A HOSPITAL

    Directory of Open Access Journals (Sweden)

    Sivaprasad

    2014-07-01

    Full Text Available INTRODUCTION: The subjective assessment of hearing is primarily done by pure tone audiometry. It is commonly undertaken test which can tell us the hearing acuity of a person when carried under ideal conditions. However, not infrequently the otologists encounter a difficulty to do subjective audiometry or in those circumstances where the test results are not correlating with the disease in question. Hence they have to depend upon the objective tests to get a workable knowledge about the patients hearing threshold. Of the various objective tests available the most popular are Brain stem evoked response audiometry –non-invasive and more standardized parameter, Electro-cochleography, auditory steady state response. Otoacoustic Emission test (OAE Otoacoustic emission doesn’t measure the hearing acuity, it gives us an idea whether there is any deafness or not. But BERA is useful in detecting and quantification of deafness in the difficult-to-test patients like infants, mentally retarded people, malingers, deeply sedated and anaesthetized patients. It determines objectively the nature of deafness (i.e., whether sensory or neural in difficult-to-test patients. It helps to locate the site of lesion in retro-cochlear pathologies (in an area from spiral ganglion of the cochlear nerve to midbrain (inferior colliculus. Study of central auditory disorders is possible. Study of maturity of central nervous system in newborns, objective identification of brain death, assessing prognosis in comatose patients are other uses. Before starting a BERA lab in a hospital it is mandatory to standardize the normal values in a randomly selected group of persons with certain criteria like; normal ears with intact T.M and without any complaints of loss of hearing. Persons aged between 05 to 60 years are taken for this study. The study group included both males and females. The aim of this study is to assess the hearing pathway in normal hearing individuals and compare

  13. The ratio of the subjective audiometry in patients with acoustic trauma and “noisy” production workers

    Directory of Open Access Journals (Sweden)

    Shydlovska T.А.

    2014-11-01

    Full Text Available Introduction: The problem of diagnosis and treatment of sensorineural hearing loss (SHL, including forms developed under the influence of noise, takes one of the leading places in ot¬olaryngology. However, there are not many studies on acoustic trauma, although this problem has recently become more and more important. Objective: A comparison of subjective audiometry in patients with sensorineural hearing loss after acute acoustic trauma and chronic noise exposure. Materials and methods. In the work the results of exa¬mination of 84 patients with acoustic trauma, 15 healthy as the control group and 15 workers employed on 'noise' occupations as a comparison group are given. Subjective audiometry was fully carried out by clinical audiometer AC-40 «Interacoustics» (Denmark. Hearing indices were investigated in the conventional (0,125-8 kHz and extended (9-16 kHz frequency bands. Results: Subjective audiometry showed a reduction in sound perception in all patients. Ac¬cor¬ding to the threshold tone audiometry in patients with acoustic trauma hearing thresholds were authentically (P <0,05 increased by 4, 6 and 8 kHz tones of conventional (0,125-8 kHz frequency band and by 14-16 kHz tones of the extended (9-16 kHz in comparison with the control group, as with workers employed on noise occupations. All the examined patients had deterioration of speech-test audiometry and above-threshold audiometry. Conclusions: According to su¬b¬jective audiometry, the type similar disorders of auditory function are in patients with acoustic trauma as in patients with long-term noise exposure, but they are more pronounced and develop much faster. The most informative features which show the origin and progression of hearing loss in patients with acoustic trauma are: increasing hearing thresholds by 14 and 16 kHz tones of the extended (9-16 kHz frequency band and by 4, 6 and 8 kHz tones of con¬ven¬tional (0,125-8 kHz frequency band plus the reduction of

  14. Accuracy of Cortical Evoked Response Audiometry in estimating normal hearing thresholds

    Directory of Open Access Journals (Sweden)

    Mahdavi M E

    2007-07-01

    Full Text Available Background: Cortical Evoked Response Audiometry (CERA refers to prediction of behavioral pure-tone thresholds (500-4000 Hz obtained by recording the N1-P2 complex of auditory long latency responses. CERA is the preferred method for frequency–specific estimation of audiogram in conscious adults and older children. CERA has an increased accuracy of determination of the hearing thresholds of alert patients with elevated hearing thresholds with sensory hearing loss; however few publications report studies regarding the use of CERA for estimating normal hearing thresholds. The purpose of this research was to further study the accuracy of CERA in predicting hearing thresholds when there is no hearing loss. Methods: Behavioral hearing thresholds of 40 alert normal hearing young adult male (40 ears screened at 20 dB HL in 500-8000Hz, predicted by recording N1-P2 complex of auditory evoked long latency responses to 10-30-10 ms tone bursts. After CERA, pure tone audiometry performed by other audiologist. All judgments about presence of responses performed visually. Stimulus rate variation and temporary interruption of stimulus presentation was used for preventing amplitude reduction of the responses. 200-250 responses were averaged near threshold. Results: In 95% of the hearing threshold predictions, N1-P2 thresholds were within 0-15 dB SL of true hearing thresholds. In the other 5%, the difference between the CERA threshold and true hearing threshold was 20-25 dB. The mean threshold obtained for tone bursts of 0.5, 1, 2 and 4 kHz were 12.6 ± 4.5, 10.9 ± 5.8, 10.8 ± 6.5 and 11.2 ± 4.1 dB, respectively, above the mean behavioral hearing thresholds for air-conducted pure tone stimuli. Conclusion: On average, CERA has a relatively high accuracy for the prediction of normal hearing sensitivity, comparable to that of previous studies performed on CERA in hearing-impaired populations.

  15. Contrast sensitivity test and conventional and high frequency audiometry: information beyond that required to prescribe lenses and headsets

    Science.gov (United States)

    Comastri, S. A.; Martin, G.; Simon, J. M.; Angarano, C.; Dominguez, S.; Luzzi, F.; Lanusse, M.; Ranieri, M. V.; Boccio, C. M.

    2008-04-01

    In Optometry and in Audiology, the routine tests to prescribe correction lenses and headsets are respectively the visual acuity test (the first chart with letters was developed by Snellen in 1862) and conventional pure tone audiometry (the first audiometer with electrical current was devised by Hartmann in 1878). At present there are psychophysical non invasive tests that, besides evaluating visual and auditory performance globally and even in cases catalogued as normal according to routine tests, supply early information regarding diseases such as diabetes, hypertension, renal failure, cardiovascular problems, etc. Concerning Optometry, one of these tests is the achromatic luminance contrast sensitivity test (introduced by Schade in 1956). Concerning Audiology, one of these tests is high frequency pure tone audiometry (introduced a few decades ago) which yields information relative to pathologies affecting the basal cochlea and complements data resulting from conventional audiometry. These utilities of the contrast sensitivity test and of pure tone audiometry derive from the facts that Fourier components constitute the basis to synthesize stimuli present at the entrance of the visual and auditory systems; that these systems responses depend on frequencies and that the patient's psychophysical state affects frequency processing. The frequency of interest in the former test is the effective spatial frequency (inverse of the angle subtended at the eye by a cycle of a sinusoidal grating and measured in cycles/degree) and, in the latter, the temporal frequency (measured in cycles/sec). Both tests have similar duration and consist in determining the patient's threshold (corresponding to the inverse multiplicative of the contrast or to the inverse additive of the sound intensity level) for each harmonic stimulus present at the system entrance (sinusoidal grating or pure tone sound). In this article the frequencies, standard normality curves and abnormal threshold shifts

  16. TYPE-2 DIABETES MELLITUS AND BRAIN STEM EVOKED RESPONSE AUDIOMETRY: A CASE CONTROL STUDY

    Directory of Open Access Journals (Sweden)

    Praveen S

    2016-01-01

    Full Text Available BACKGROUND AND OBJECTIVE Type-2 Diabetes Mellitus (T2DM causes pathophysiological changes in multiple organ system. The peripheral, autonomic and central neuropathy is known to occur in T2DM, which can be studied electrophysiologically. AIM Present study is aimed to evaluate functional integrity of auditory pathway in T2DM by Brainstem Evoked Response Audiometry (BERA. MATERIAL AND METHOD In the present case control study, BERA was recorded from the scalp of 20 T2DM patients aged 30-65 years and were compared with age matched 20 healthy controls. The BERA was performed using EMG Octopus, Clarity Medical Pvt. Ltd. The latencies of wave I, III, V and Wave I-III, I-V and III-V interpeak latencies of both right and left ear were recorded at 70dBHL. STATISTICAL RESULT AND USE Mean±SD of latencies of wave I, III, V and interpeak latency of I-III, I-V and III-V were estimated of T2DM and healthy controls. The significant differences between the two groups were assessed using unpaired student ‘t’ test for T2DM and control groups using GraphPad QuickCalcs calculator. P value <0.05 was considered to be significant. RESULT In T2DM BERA study revealed statistically significant (p<0.05 prolonged latencies of wave I, III and V in both right (1.81±0.33ms, 3.96±0.32ms, 5.60±0.25ms and left (1.96±0.24ms, 3.79±0.22ms, 5.67±0.25ms ear as compared to controls at 70dB. Wave III-V interpeak latency of left ear (1.87±0.31, 1.85±0.41ms and wave I-III (2.51±0.42ms, 1.96±0.48ms and III-V (2.01±0.43ms, 1.76±0.45ms of right ear was prolonged in diabetic patient as compared to controls, although no significant difference was obtained (p<0.05. INTERPRETATION AND CONCLUSION Increase in absolute latencies and interpeak latencies inT2DM patients suggest involvement of central neuronal axis at the level of brain stem and midbrain.

  17. Age-related hearing loss in dogs : Diagnosis with Brainstem-Evoked Response Audiometry and Treatment with Vibrant Soundbridge Middle Ear Implant.

    NARCIS (Netherlands)

    ter Haar, G.

    2009-01-01

    Age-related hearing loss (ARHL) is the most common cause of acquired hearing impairment in dogs. Diagnosis requires objective electrophysiological tests (brainstem evoked response audiometry [BERA]) evaluating the entire audible frequency range in dogs. In our laboratory a method was developed to de

  18. A user-operated audiometry method based on the maximum likelihood principle and the two-alternative forced-choice paradigm

    DEFF Research Database (Denmark)

    Schmidt, Jesper Hvass; Brandt, Christian; Pedersen, Ellen Raben;

    2014-01-01

    Objective: To create a user-operated pure-tone audiometry method based on the method of maximum likelihood (MML) and the two-alternative forced-choice (2AFC) paradigm with high test-retest reliability without the need of an external operator and with minimal influence of subjects' fluctuating...

  19. A study of brainstem evoked response audiometry in high-risk infants and children under 10 years of age

    Directory of Open Access Journals (Sweden)

    Ramanathan Thirunavukarasu

    2015-01-01

    Full Text Available Aims: To evaluate the hearing threshold and find the incidence of hearing loss in infants and children belonging to high-risk category and analyze the common risk factors. Subjects and Methods: Totally, 125 infants and children belonging to high-risk category were subjected to brainstem evoked response audiometry. Clicks were given at the rate of 11.1 clicks/s. Totally, 2000 responses were averaged. The intensity at which wave V just disappears was established as hearing the threshold. Degree of impairment and risk factors were analyzed. Results: Totally, 44 (35.2% were found to have sensorineural hearing loss. Totally, 30 children with hearing loss (68% belonged to age group 1-5 years. Consanguineous marriage was the most commonly associated risk factor. Majority (34 had profound hearing loss. Conclusion: Newborn screening is mandatory to identify hearing loss in the prelinguistic period to reduce the burden of handicap in the community. The need of the hour is health education and genetic counseling to decrease the hereditary hearing loss, as hearing impairment due to perinatal factors has reduced due to recent medical advancements.

  20. The Frequency of Hearing Loss and Hearing Aid Prescription in the Clients of the Avesina Education and Health Center, Audiometry Clinic, 1377

    Directory of Open Access Journals (Sweden)

    Abbas Bastani

    2003-08-01

    Full Text Available Objective: Determining the frequency of hearing disorders and hearing aid using in the clients referring to the Avesina education and health center, audiometry clinic, 1377. Method and Material: This is an assesive-descriptive survey that conducted on more than 2053 (1234 males and 819 females who referred for audiometry after examination by a physician. Case history, otoscopy, PTA, speech and immittance audiometry were conducted for all the clients. The findings were expressed in tables and diagrams of frequency. The age and sex relationship. All types of hearing losses and the number of the hearing-impaired clients need a hearing aid were assessed. Findings: 56% of this population were hearing-impaired and 44% had normal hearing were hearing. 60% were males and 40% females. Of the hearing-impaired, 44% had SNHL, 35.6% CHL and 8.2% mixed hearing loss. The hearing aid was prescribed for 204 (83 females and121 males if they need that only 20 females and 32 males wear it. Conclusion: It this sample, SNHL is of higher frequency. According to this survey, the more the age, the more the hearing aid is accepted (85% of wearer are more than 49 the prevalence of the hearing impaired males are more than females (60% versus 40%. Only 25% of the hearing-impaired wear hearing aids.

  1. Audiometry in Young Children

    OpenAIRE

    Muller, George

    1987-01-01

    The author of this article reviews various techniques in the auditory assessment of infants and young children. The success of these tests depends on the overall functioning of the child, and not on chronological age alone. Any significant deviation from the normal auditory behaviour should raise suspicion of possible auditory impairment. Diagnostic audiology involves more than mere testing of the peripheral auditory mechanism in isolation. It necessitates investigation of possible neurologic...

  2. Avaliação dos limiares auditivos com e sem equipamento de proteção individual Pure tone audiometry with and without specific ear protectors

    Directory of Open Access Journals (Sweden)

    Carlos Antonio Rodrigues de Faria

    2008-06-01

    Full Text Available Os autores realizaram estudo caso-controle audiométrico em indivíduos com e sem protetor auricular auditivo. OBJETIVOS: O objetivo do estudo foi avaliar a real atenuação individual dado pelos protetores. MATERIAL E MÉTODO: Foram avaliados 30 indivíduos (ou 60 orelhas de diferentes atividades profissionais, de ambos os sexos, com idades entre 20 e 58 anos, apresentando audição normal e tendo realizado repouso auditivo de 10 horas, submetidos a exame audiométrico com e sem protetor auricular auditivo, no período de fevereiro a julho de 2003, utilizando protetor tipo plugue. Avaliou-se as audiometrias nas vias aérea e óssea em freqüências de 500 a 4000Hz. RESULTADOS: Os resultados foram analisados estatisticamente e comparados aos dados fornecidos pelo fabricante. Assim se observou em ouvido real os níveis de atenuação auditiva obtidos com o uso destes produtos. CONCLUSÃO: Os resultados permitiram chegar à conclusão de que os índices fornecidos pelos fabricantes foram compatíveis com os que obtive nos testes.The authors evaluated pure tone audiometry with and without specific ear protectors. AIM: The purpose of this case control study was to measure the level of sound attenuation by earplugs. MATERIAL AND METHODS: The evaluation included sixty ears of 30 subjects of both sexes, aged between 20 and 58 years, of various professional activities, with normal hearing thresholds, and following ten hours of auditory rest. The statistical results of pure tone audiometry at 500 to 4000 Hertz with and without specific ear protectors were analyzed. RESULTS: These results were compared with those provided by the ear protector manufacturer. CONCLUSION: The results show that the rate of sound reduction was similar to the manufacturer's specifications.

  3. Three-year experience with the Sophono in children with congenital conductive unilateral hearing loss: tolerability, audiometry, and sound localization compared to a bone-anchored hearing aid.

    Science.gov (United States)

    Nelissen, Rik C; Agterberg, Martijn J H; Hol, Myrthe K S; Snik, Ad F M

    2016-10-01

    Bone conduction devices (BCDs) are advocated as an amplification option for patients with congenital conductive unilateral hearing loss (UHL), while other treatment options could also be considered. The current study compared a transcutaneous BCD (Sophono) with a percutaneous BCD (bone-anchored hearing aid, BAHA) in 12 children with congenital conductive UHL. Tolerability, audiometry, and sound localization abilities with both types of BCD were studied retrospectively. The mean follow-up was 3.6 years for the Sophono users (n = 6) and 4.7 years for the BAHA users (n = 6). In each group, two patients had stopped using their BCD. Tolerability was favorable for the Sophono. Aided thresholds with the Sophono were unsatisfactory, as they did not reach under a mean pure tone average of 30 dB HL. Sound localization generally improved with both the Sophono and the BAHA, although localization abilities did not reach the level of normal hearing children. These findings, together with previously reported outcomes, are important to take into account when counseling patients and their caretakers. The selection of a suitable amplification option should always be made deliberately and on individual basis for each patient in this diverse group of children with congenital conductive UHL.

  4. Potenciais evocados auditivos de tronco encefálico de ex-usuários de drogas Brain stem evoked response audiometry of former drug users

    Directory of Open Access Journals (Sweden)

    Tainara Milbradt Weich

    2012-10-01

    Full Text Available As drogas ilícitas são conhecidas pelos seus efeitos deletérios no sistema nervoso central; no entanto, elas também podem atingir o sistema auditivo, provocando alterações. OBJETIVOS: Analisar e comparar os resultados dos potenciais evocados auditivos de tronco encefálico (PEATE de frequentadores de grupos de apoio a ex-usuários de drogas. MÉTODO: Estudo transversal, não experimental, descritivo e quantitativo. A amostra foi composta por 17 indivíduos divididos conforme o tipo de droga mais consumida: 10 indivíduos no grupo maconha (G1 e sete no grupo crack/cocaína (G2. Eles foram subdivididos pelo tempo de uso de drogas: um a cinco anos, seis a 10 anos e mais que 15 anos. A avaliação foi feita por meio de anamnese, audiometria tonal liminar, medidas de imitância acústica e PEATE. RESULTADOS: Ao comparar os resultados de G1 e G2, independente do tempo de uso de drogas, não se observou diferença estatisticamente significante nas latências absolutas e nos intervalos interpicos. No entanto, apenas cinco dos 17 indivíduos tiveram PEATE com resultados adequados para a faixa etária. CONCLUSÃO: Independentemente do tempo de utilização das drogas, o uso de maconha e crack/cocaína pode provocar alterações difusas no tronco encefálico, comprometendo a transmissão do estímulo auditivo.Illicit drugs are known for their deleterious effects upon the central nervous system and more specifically for how they adversely affect hearing. OBJECTIVE: This study aims to analyze and compare the hearing complaints and the results of brainstem evoked response audiometry (BERA of former drug user support group goers. METHODS: This is a cross-sectional non-experimental descriptive quantitative study. The sample consisted of 17 subjects divided by their preferred drug of use. Ten individuals were placed in the marijuana group (G1 and seven in the crack/cocaine group (G2. The subjects were further divided based on how long they had been using

  5. [Audiometry in the cellulose industry].

    Science.gov (United States)

    Corrao, C R; Milano, L; Pedulla, P; Carlesi, G; Bacaloni, A; Monaco, E

    1993-01-01

    A noise level dosimetry and audiometric testing were conducted in a cellulose factory to determine the hazardous noise level and the prevalence of noise induced hearing loss among the exposed workers. The noise level was recorded up to 90 db (A) in several working areas. 18 workers, potentially exposed to noise injury, evidenced a significant hearing loss. While no evidence of noise injury was recorded in a control group of 100 subjects. This finding suggest a strict relationship between audiometric tests, the noise level recorded in the working place and the working seniority of exposed employers. PMID:7720969

  6. Application of auditory brainstem response and pure tone audiometry in early diagnosis of acoustic neuroma%听性脑干反应和纯音听阈在听神经瘤早期诊断中的应用

    Institute of Scientific and Technical Information of China (English)

    赵赋; 武丽; 王博; 杨智君; 王振民; 王兴朝; 李朋; 张晶; 刘丕楠

    2015-01-01

    目的 探讨采用听性脑干反应和纯音听阈对早期诊断听神经瘤的临床应用价值.方法 回顾性分析了111例听神经瘤患者的临床资料、纯音听阈、听性脑干反应及增强磁共振结果,采用线性回归分析纯音听阈均值与肿瘤体积、病程是否存在相关性,采用卡方检验分析不同肿瘤体积在听性脑干反应异常发生率上是否存在差异.结果 听神经瘤引起感音神经性耳聋,纯音听阈均值与病程存在显著地相关性(P=0.000);听性脑干反应诊断听神经瘤的敏感度和特异度分别为98.2%和93.6%,肿瘤最大径>3 cm与≤3 cm两组,在患侧和对侧Ⅲ~Ⅳ波间期异常发生率上,差异均具有统计学意义(P值分别为0.038和0.045).结论 听性脑干反应联合纯音测听是早期诊断听神经瘤的有效方法.%Objective To investigate the clinical application value of using auditory brainstem response and pure tone audiometry for early diagnosis of acoustic neuroma.Methods The clinical data,the results of pure tone audiometry,auditory brainstem response,and enhanced MRI in 111 patients with acoustic neuroma were analyzed retrospectively.Linear regression analysis was used to analyze the correlation between the nean value of pure tone audiometry and the neuroma volune or course of disease.Chi-squared test was used to analyze the whether there were differences in the different neuroma volumes on the incidence of abnormal auditory brainstem response.Results Acoustic neuroma caused sensorineural deafness.There was a significant correlation between the mean value of pure tone audiometry and the course of disease (P =0.000).The sensitivity and specificity of auditory brainstem response for the diagnosis of acoustic neuroma were 98.2% and 93.6% respectively.The maximum diameters of neuromas were divided into 2 groups:> 3 cm or ≤3 cm.There were significant differences on the abnormal incidence of the Ⅲ to Ⅴ wave intervals of the

  7. Audiometria de alta freqüência: estudo com indivíduos audiologicamente normais High-frequency audiometry: study with normal audiological subjects

    Directory of Open Access Journals (Sweden)

    Daniela R. Sahyeb

    2003-01-01

    Full Text Available Pesquisas recentes apontam a Audiometria Tonal de Alta Freqüência (AT-AF como um instrumento para o diagnóstico precoce de danos auditivos decorrentes de alguns agentes etiológicos principais, como envelhecimento e exposição a drogas ototóxicas e a intensidades elevadas de ruído. OBJETIVO: Apesar de já existirem várias técnicas desenvolvidas para essa avaliação, algumas não se aplicam à rotina clínica, em função da falta de praticidade e, por vezes, falta de consistência nos resultados. Segundo a literatura, ainda estão por emergir uma metodologia adequada a tal avaliação e valores indicados como referência à normalidade. Forma de Estudo: Clínico prospectivo. MATERIAL E MÉTODO: A presente pesquisa observou o comportamento dos limiares auditivos de alta freqüência em indivíduos jovens e audiologicamente normais e analisou variabilidades acústicas, inter e intra-indivíduos, que de acordo com a literatura, podem interferir na estabilidade dos resultados. CONCLUSÃO: Com os dados obtidos, pôde-se estabelecer valores de média, desvio padrão e mediana, além de valores mínimos e máximos para cada freqüência. Os testes estatísticos não identificaram diferenças significantes na maioria das análises realizadas (entre sexo, interaurais, variabilidades acústicas e intra-indivíduos, no mesmo dia de testes. A variabilidade dos resultados entre os exames de um mesmo indivíduo, realizados em dias deferentes de testes, mostrou ser significante, sendo as médias dos limiares no segundo dia sempre melhores que as do primeiro dia.Recent research studies pointed to High-Frequency Audiometry (HFA as a tool for early diagnosis of hearing impairment caused by the main etiological agents, such as aging, exposure to ototoxic drugs, and occupational noise. AIM: Although there are already several techniques developed for this assessment, some of them should not be applied to clinical routine, because of their lack of

  8. Audiometria de altas frequências no diagnóstico complementar em audiologia: uma revisão da literatura nacional High-frequency audiometry in audiological complementary diagnosis: a revision of the national literature

    Directory of Open Access Journals (Sweden)

    Karlin Fabianne Klagenberg

    2011-03-01

    Full Text Available A audiometria de altas frequências (AAF é um exame audiológico importante na detecção precoce de perdas auditivas por lesões na base do ducto coclear. Nos últimos anos, a sua utilização foi facilitada pelo fato de os audiômetros comercializados passarem a incorporar frequências superiores a 8 kHz. Porém, existem diferenças relacionadas aos equipamentos utilizados, às metodologias empregadas e/ou aos resultados e interpretação. Assim, o objetivo deste artigo foi analisar a produção científica nacional sobre a aplicação clínica com AAF, para compreender sua utilização atual. Foram pesquisados textos publicados e indexados nas bases de dados LILACS, SciELO e Medline, num período de tempo de dez anos, utilizando como descritor "audiometria de altas frequências/high-frequency audiometry". Encontraram-se 24 artigos científicos nacionais utilizando AAF, cuja população avaliada, em sua maioria, apresentava de 18 a 50 anos de idade; 13 dos estudos determinaram os limiares utilizando como referência decibel nível de audição (dBNA; alguns estudos realizaram a comparação dos limiares auditivos tonais entre grupos para definir a normalidade; os autores relataram diferenças significativas nos limiares auditivos de altas frequências entre as idades. A AAF é utilizada na clínica audiológica para identificação precoce de alterações auditivas e no acompanhamento da audição de sujeitos expostos a drogas ototóxicas e/ou agentes otoagressores.High-frequency audiometry (HFA is an important audiological test for early detection of hearing losses caused by leasions in the base of the cochlear duct. In recent years, its use was facilitated because audiometers began to identify frequencies higher than 8 kHz. However, there are differences related to the equipment used, the methodologies followed, and/or to the results and their interpretation. Therefore, the aim of this study was to analyze the national scientific production

  9. 自觉听力正常耳鸣患者纯音听力及畸变产物耳声发射临床分析%Audiometry and distortion product otoacoustic emissions in tinnitus patients without hearing complaints

    Institute of Scientific and Technical Information of China (English)

    王晓晖; 肖玉丽

    2011-01-01

    Objective To study pure tone audiometry and distortion product otoacoustic emissions (DPOAE) features in tinnitus patients who do not perceive hearing loss. Methods Pure tone threshold, hearing loss, SNR of DPOAE were performed in 114 (190 ears) adults with tinnitus cases with never perceived hearing loss, investigate the relationship between every risk factor and tinnitus. Results Audiometry showed high frequency hearing loss in 46.31% (88/ 190), low frequency hearing loss in 14.73% (28/190), normal hearing in 23.15% (44/190), and other types of audio-grams in 15.78%(30/190) of the patients. Risk factors included noise exposure, fatigue, stress, and pre-existing diseases. There was a negative correlation between DPOAE amplitude and pure tone threshold. DPOAE response frequencies were closely related to frequency distribution of pure tone thresholds. Conclusion A significant number of patients with tinnitus but no hearing complaints may still have abnormal hearing, especially in the high frequency range. A negative correlation exists between DPOAE amplitude and pure tone threshold. DPOAEs may serve as an objective indicator of the level of hearing loss in tinnitus patients with no hearing complaints, which may be of value in the clinic.%目的 分析自觉听力正常耳鸣患者的纯音听力特征,并探讨自觉听力正常耳鸣患者畸变产物耳声发射(distortion product otoacoustic emission,DPOAE)测定值与纯音听阈值之间的相关性及其意义.方法 2010-2011年在我科就诊的以耳鸣为第一主诉但无明显自觉听力障碍患者114例(190耳),对所有入组患者进行纯音测听及DPOAE检测.分析DPOAE测定值与纯音听阈值之间的相关性,并结合其发病的可能危险因素进行相关分析.结果 自觉听力正常的耳鸣患者中,听力异常可达76.84% (146/190).纯音测听表现为:高频下降型46.31% (88/190);低频下降型14.73% (28/190);正常23.15% (44/190);其它类型15.78% (30/190).

  10. A level stimulator programmed for audiometry

    International Nuclear Information System (INIS)

    This stimulator has been designed for automated audiometric experiments on lemurians. The variations of the transmission level are programmed on punched tape whose reading is controlled by an audiofrequency attenuator. The positive answers of the animal are stored in a seven-counter memory and the results are read by display

  11. Enterprise Shipbuilding Workers Exposed to Noise Analysis Results of Pure Tone Audiometry%某造船企业噪声作业工人纯音测听结果分析

    Institute of Scientific and Technical Information of China (English)

    张志雄; 高盛庭; 蒋朝利

    2014-01-01

    目的:探讨生产性噪声对作业工人听力的影响。方法对某造船企业94名噪声作工人进行在岗期间纯音电测听检查,测听数据进行统计分析。结果听力损失37人(占受检人数的39.36%),其中轻度听力损失36人,中度听力损失1人。听力损失随工龄增加而升高,不同工龄组间听力损失比较有统计学意义(P<0.05)。结论听力损失随接触噪工龄的增加呈上升趋势。建议企业加强监督和管理,做好作业工人职业危害宣传教育和个人防护,建立和完善职业健康监护档案,控制职业性噪声聋发生。%Objective To investigate the ef ects of noise on workers productive hearing. Methods Pure tone audiometry examination for 94 shipyard workers during the post, Statistical analysis for audiometric data. Results 37 of hearing loss (accounting for 39.36%the number of subjects), in which 36 people with mild hearing loss and 1 person with moderate hearing loss.Hearing loss increases with length of service The comparasion among dif erent working-age groups was statistical y significant ( <0.05). Conclusion Hearing loss increases with the exposure to noise seniority on the rise. Recommend that companies strengthen supervision and management, good education and personal protection for the workers exposed to occupational hazards, establish and improve occupational health record, prevent occupational noise deafness occuring.

  12. Test person operated 2-Alternative Forced Choice Audiometry compared to traditional audiometry

    DEFF Research Database (Denmark)

    Schmidt, Jesper Hvass; Brandt, Christian; Christensen-Dalsgaard, Jakob;

      Background: With a newly developed technique, hearing thresholds can be estimated with a system operated by the test persons themselves. This technique is based on the 2 Alternative Forced Choice paradigm known from the psychoacoustic research theory. Test persons can operate the system very ea...

  13. La audiometría de tonos puros por conducción aérea en la consulta de enfermería del trabajo The pure-tone audiometry via air conduction testing in the occupational health nursing visit

    Directory of Open Access Journals (Sweden)

    Antonio Javier Cortés Aguilera

    2012-06-01

    Full Text Available La Audiometría de tonos puros por conducción aérea es una exploración complementaria que la enfermería del trabajo ejecuta de manera habitual en la consulta de salud laboral para la vigilancia de la salud de los trabajadores. Todo ello, en función de los riesgos profesionales a los que esté expuesto el trabajador objeto de estudio y con una periodicidad relacionada con dicha circunstancia y las condiciones individuales del mismo. Sus resultados tienen como consecuencia la toma de decisiones y, por ello, el enfermero especialista debe manejar los conocimientos necesarios para que el resultado obtenido sea válido y reproducible. En el presente artículo se definen los criterios de aplicación, las características de la cabina y el audiómetro, los conocimientos mínimos que debe manejar el enfermero, los requisitos de la consulta y los previos a la exploración, la técnica de ensayo y la descripción de los métodos ascendente y por encuadre, el registro audiométrico y símbolos usados universalmente, y además se detallan los contenidos del mantenimiento y la calibración a los que se debe someter el equipo de exploración.The Pure-Tone Audiometry via air conduction is a complementary examination which the Occupational Health Nursing carries out frequently in the visit of Occupational Health in order to watch the workers´ health. All that is according to professional risks to which the worker, object of study, is exposed. Such examination is done as often as that circumstance occurs and depending on the worker´s individual conditions. The results have as consequence the decision-making and therefore the specialist nurse must have the necessary knowledge in order to obtain valid and reproducible results. It is proposed in the present article to present the application criteria, the characteristics of the audiometry cabin and the audiometer and the minimum knowledge the health nurse must have. Furthermore, the requirements to visit the

  14. “心爱飞扬”中文言语测听平台在儿童人工耳蜗术后言语识别测试中的应用%The Application of Computer-aided Chinese Speech Audiometry Platform to Speech Recognition Text in Children after Cochlear Implantation

    Institute of Scientific and Technical Information of China (English)

    罗琼; 黄艳艳; 冯艳梅; 时海波

    2016-01-01

    目的:利用计算机辅助的“心爱飞扬”中文言语测听平台评估人工耳蜗植入术后儿童在安静和噪声环境下句子的识别率,探索患儿的言语发展规律,同时探讨测听工具的可行性。方法选择18例植入人工耳蜗1年以上的儿童,在声场下接受助听听阈测试,并应用计算机辅助“心爱飞扬”中文言语测听平台,分别对患儿进行安静及噪声环境中句子识别率测试。结果①被试配戴人工耳蜗后的助听听阈平均为(33±5)dB HL;②安静环境中的句子识别率平均为(71±24)%,其中耳蜗植入1~4年的为(53±25)%,耳蜗植入4年以上为(85±9)%,两者之间差异具有统计学意义(P<0.01);③噪声环境中的句子识别率平均为(51±28)%,其中耳蜗植入1~4年的为(31±24)%,4年以上的为(68±19)%,两者之间差异具有统计学意义(P<0.01)。结论人工耳蜗植入后康复时间是影响儿童言语感知能力的重要因素。“心爱飞扬”中文言语测听平台的应用有助于人工耳蜗植入患儿听觉言语康复状况的长时期跟踪评估。%Objective To evaluate the speech recognition rates of hearing-impaired children after cochlear implantation in quiet and noise and to explore the rules of auditory development in these children.Methods Eighteen children with cochlear implants more than one year received the aided hearing threshold test in the sound field. The computer-aided Chinese speech audiometry platform was used to test the sentence recognition abilities of these children in quiet and noise. Results (1)The average aided hearing threshold of the 18 children was(33±5)dB HL. (2)The sentence recognition rate of all children in quiet was (71±24) %. The rates of children with cochlear implants 1-4 years and over 4 years were (53±25) % and (85±9)% respectively, showing a significant difference (P<0.01). (3) The sentence recognition rate of all

  15. Low and high frequency tonal threshold audiometry: comparing hearing thresholds between smokers and non-smokers Da audiometria tonal limiar em baixa e alta frequência: comparação dos limiares auditivos entre tabagistas e não-tabagistas

    Directory of Open Access Journals (Sweden)

    Daniela Cecílio Capra Marques de Oliveira

    2009-10-01

    Full Text Available Cigarette smoking can cause many potentially fatal diseases and worsen others. Numerous studies have shown the relationship between smoking and hearing loss. However, the increase in auditory threshold in high frequency arising from smoking has been very little described. AIM: to compare low and high frequency auditory thresholds among a group of smoking and non-smoking male individuals between 18 and 40 years. STUDY DESIGN: Cross-sectional. MATERIALS AND METHODS: by means of low and high frequency tonal threshold audiometry we studied 30 male individuals between 18 and 40 years and 30 non-smokers of matching age and gender. RESULTS: auditory thresholds were different between smokers and non-smokers, being worse in the former. Although within normal ranges, auditory thresholds in low frequencies were higher among smokers. In high frequencies we noticed a marked increase in auditory thresholds among smokers. CONCLUSION: we found statistically significant difference in auditory thresholds in low and high frequencies, among young male individuals, smokers and non-smokers, being worse in the former.O uso do cigarro pode levar a diversas doenças potencialmente fatais e contribuir para o agravo de outras condições patológicas. Inúmeros estudos mostram a relação entre tabagismo e perda auditiva, entretanto, o aumento dos limiares auditivos em alta frequência decorrente do tabagismo é pouco descrito. OBJETIVO: Comparar os limiares auditivos em baixas e altas frequências, entre um grupo de indivíduos não-tabagistas e tabagistas, do sexo masculino com idades entre 18 e 40 anos. FORMA DE ESTUDO: Tipo transversal. MATERIAL E MÉTODO: Foram estudados, através de audiometria tonal limiar em baixas e altas frequências, 30 indivíduos tabagistas do sexo masculino com idades entre 18 e 40 anos e 30 indivíduos não-tabagistas do mesmo sexo e da mesma faixa etária. RESULTADOS: Os limiares auditivos foram diferentes entre os indivíduos do grupo n

  16. 畸变产物耳声发射和纯音听力评价突发性耳聋的临床研究%Comparative study of distortion product otoacoustic emission and pure tone audiometry in the evaluation of sudden deafness

    Institute of Scientific and Technical Information of China (English)

    孙俊; 罗婷婕

    2012-01-01

    Objective To compare the effect of distortion product otoacoustic emission (DPOAE) and pure tone audiometry (PTA) in the evaluation of sudden deafness. Methods 60 patients (64 ears) with sudden deafness admitted in our hospital from 2009 to 2011 were selected and enrolled in this study. All the 60 patients received DPOAE test and PTA test before and after treatment. The results of the two kinds of tests were compared. Results After treatment, the results of DPOAE test and PTA test were all significantly better than that before treatment (P0.05). Conclusion DPOAE test can reveal the cochlear hearing function and hair functional status, which is non-invasive, fast, comprehensive and specific.%目的 探讨利用畸变产物耳声发射(DPOAE)和纯音听力评价突发性耳聋的方法和效果.方法 随机抽取我科2009-2011年收治突发性耳聋患者60例(64耳),所有患者治疗前后均接受纯音测听检查及DPOAE检测,对比两种检测方法的结果变化.结果 治疗前后比较,患者DPOAE和纯音听力检测均优于治疗前(P<0.05);治疗后两组间比较,患者DPOAE检测通过率较纯音听力检测更灵敏(P<0.05).随着患耳听力的改善,听阈恢复率、DPOAE幅值恢复率都逐步提高,但是二者的变化并不同步(P>0.05).结论 DPOAE检测可反应耳蜗听力功能和毛细胞功能状态,具有无创、快速、全面、特异的优点,能有效地指导临床治疗.

  17. Objective low-frequency audiometry by distortion-product acoustic emissions.

    Science.gov (United States)

    Bonfils, P; Avan, P; Londero, A; Trotoux, J; Narcy, P

    1991-10-01

    The aim of this study was to measure distortion-product otoacoustic emissions (DPOEs) in a clinical setting. First, DPOE input-output functions were automatically realized to determine the ratio of the pure tones (primaries) f2 and f1 that would elicit the most significant DPOE input-output function. The DPOE input-output functions presented two separate portions for the f2/f1 ratio, ranging from 1.18 to 1.26: (1) below 60-dB sound pressure level (SPL), a saturating portion with a DPOE detection threshold at 36-dB SPL; and (2) above 66-dB SPL, a linear portion. For other f2/f1 ratios, DPOE input-output functions had a more linear behavior. The DPOEs generated by primary intensities below 60-dB SPL, which show saturating behavior, probably have their origin in the properties of outer hair cells. This indicates that DPOE measurements in a clinical setting must be realized with precise stimulus values: (1) f2/f1 ratio near 1.22, and (2) primary intensities below 60-dB SPL. Second, DPOE input-output functions were realized for DPOEs varying from 707.5 to 342 Hz. No more saturating plateau could be observed with DPOEs below 512.5 Hz, suggesting that active mechanisms are absent below 725 Hz within the human cochlea. These data permit us to establish the bases of an objective low-frequency audiometric test. PMID:1910706

  18. Early Posttreatment Audiometry Underestimates Hearing Recovery after Intratympanic Steroid Treatment of Sudden Sensorineural Hearing Loss

    Directory of Open Access Journals (Sweden)

    Benjamin J. Wycherly

    2011-01-01

    Full Text Available Objective. To review our experience with intratympanic steroids (ITSs for the treatment of idiopathic sudden sensorineural hearing loss (ISSNHL, emphasizing the ideal time to perform follow-up audiograms. Methods. Retrospective case review of patients diagnosed with ISSNHL treated with intratympanic methylprednisolone. Injections were repeated weekly with a total of 3 injections. Improvement was defined as an improved pure-tone average ≥20 dB or speech-discrimination score ≥20%. Results. Forty patients met the inclusion criteria with a recovery rate of 45% (18/40. A significantly increased response rate was found in patients having an audiogram >5 weeks after the first dose of ITS (9/13 over those tested ≤5 weeks after the first dose of ITS (9/27 (=0.03. Conclusions. Recovery from ISSNHL after ITS injections occurs more frequently >5 weeks after initiating ITS. This may be due to the natural history of sudden hearing loss or the prolonged effect of steroid in the inner ear.

  19. Evaluation of temporal difference limen in preoperative non-invasive ear canal audiometry as a predictive factor for speech perception after cochlear implantation

    Directory of Open Access Journals (Sweden)

    Saku T. Sinkkonen

    2014-03-01

    Full Text Available The temporal difference limen (TDL can be measured with noninvasive electrical ear canal stimulation. The objective of the study wa to determine the role of preoperative TDL measurements in predicting patients’ speech perception after cochlear implantation. We carried out a retrospective chart analysis of fifty-four cochlear implant (CI patients with preoperative TDL and postoperative bisyllabic word recognition measurements in Helsinki University Central Hospital between March 1994 and March 2011. Our results show that there is no correlation between TDL and postoperative speech perception. However, patient’s advancing age correlates with longer TDL but notdirectly with poorer speech perception. The results are in line with previous results concerning the lack of predictive value of preoperativ TDL measurements in CI patients.

  20. Audiometria de resposta evocada de acordo com sexo e idade: achados e aplicabilidade Evoked response audiometry according to gender and age: findings and usefulness

    Directory of Open Access Journals (Sweden)

    Edmir Américo Lourenço

    2008-08-01

    Full Text Available A audiometria de respostas evocadas (ABR é um registro não-invasivo de potenciais elétricos auditivos nos primeiros 12 milissegundos, da orelha média ao córtex auditivo. ABR é importante na avaliação otoneurológica. OBJETIVO: Esclarecer as utilidades do exame, faixas etárias e sexo com maior incidência e topodiagnóstico segundo as latências absolutas e os intervalos interpicos. CASUÍSTICA E MÉTODO: Neste estudo retrospectivo foram analisados 403 prontuários de ABR realizados em clínica particular na cidade de Jundiaí/SP, Brasil, suspeitos de alteração auditiva e/ou doença do SNC, com os pacientes divididos por sexo e faixa etária. RESULTADOS E CONCLUSÕES: ABR é um importante exame para determinar a integridade da via auditiva, limiares eletrofisiológicos e topodiagnóstico, embora o teste não indique a etiologia das alterações. Foi demonstrado que ocorreu maior incidência de achados retrococleares na faixa etária de 12-20 anos e sexo masculino, contudo crianças menores de um ano com fatores de risco não apresentaram um aumento na incidência de alterações condutivas, cocleares e retrococleares em relação à população geral estudada. As latências absolutas das ondas I, III e V foram maiores no sexo masculino e as alterações dos intervalos interpicos foram similares em ambos os sexos, sendo que o intervalo I-III foi o mais freqüentemente alterado.Auditory evoked brainstem responses (ABR is a non-invasive electrical potential registration which evaluates the auditory tract from the middle ear to the auditory cortex in the first 12 milliseconds (ms. The ABR is an important otoneurological evaluation. AIM: confirm the test's usefulness, major incidence and topography according to are range gender considering the absolute latencies of the waves and interpeak intervals. MATERIALS AND METHOD: we retrospectively analyzed 403 tests from a private clinic in the city of Jundiaí-São Paulo State-Brazil, from patients suspected of auditory damage or central nervous disorder, and the patients were broken down according to gender and age. RESULTS AND CONCLUSIONS: ABR is an important test to determinate the soundness of the auditory tract, the electrophysiological thresholds and topodiagnosis. We found no differences between type of loss and gender; there was a major incidence of retrocochlear findings among male patients between 12-20 years old; children under one year with risk factors did not present higher incidences of auditory findings when compared with all the population analyzed. The absolute latencies of waves I, III and V were higher in males, but the interpeak intervals were similar in both genders, showing that interval I-III was more frequently altered.

  1. A Comparison of Thresholds in Auditory Steady - State Response with Pure Tone Audiometry in Subjects with Normal Hearing and Those with Mild and Moderate Sensorineural Hearing los

    Directory of Open Access Journals (Sweden)

    Sadegh Jafarzadeh

    2008-06-01

    Full Text Available Background and Aim: Among all auditory assessment tools, auditory steady state response (ASSR is a modern test. Modulation frequency for this test is usually 80 Hz. The purpose of this study, was to examined adult subjects with 40 Hz and 80 Hz ASSR and compare the results.Materials and Methods: Thirty adult (60 ears were evaluated by ASSR and PTA test, Results were divided into three groups: normal hearing, mild and moderate sensorineural hearing loss. Results: In all groups, forty hertz ASSR thresholds were relatively closer to behavioral threshold than those of 80 Hz ASSR(p<0.05. Besides, the more severe hearing loss, the lower the difference between those two thresholds. Correlation coefficients were also higher in 40 Hz ASSR(p<0.05. Conclusion: Frequency modulation thresholds with 40 Hz are more likely to be closer to the behavioral thresholds. Moreover, it has better results than the thresholds with 80 Hz.

  2. Development of Guideline for Rating the Physical Impairment of Otolaryngologic Field

    OpenAIRE

    Park, Chul Won; Do, Nam Yong; Rha, Ki Sang; Chung, Sung Min; Kwon, Young Jun

    2009-01-01

    We develop a guideline for rating the physical impairment of otolaryngologic fields. Assessment of hearing disturbance and tinnitus required physical examination, pure tone audiometry, speech audiometry, impedance audiometry, brainstem evoked response audiometry, Bekesy audiometry, otoacoustic emission test, and imaging examination. History taking, physical examination, and radiological examination for the vestibular organ and brain, righting reflex test, electronystagmography, and caloric te...

  3. 梅尼埃病畸变产物耳声发射的临床听力学特征%The feature of distortion product otoacoustic emissions in clinical audiometry on Meniere disease

    Institute of Scientific and Technical Information of China (English)

    王建明; 王斌全

    2002-01-01

    目的探讨梅尼埃病畸变产物耳声发射(distortion product otoacoustic emissions,DPOAE)听力学表现,明确梅尼埃病DPOAE临床听力学特征.方法收治梅尼埃病336例,行纯音听阈与DPOAE测试,并绘出纯音听力图与DPOAE图.结果纯音听力测试,297名为感音神经性耳聋,39名听力正常;在DPOAE测试中,患耳检出率均较健耳低;对刺激频率组的几何平均频率(Fm)及它们所对应的DPOAE幅值,均显著低于健耳,且幅值重复性差;患耳检出阈显著高于健耳.纯音听阈均值(Pure tone average,PTA)≥40 dB的145例,DPOAE反应缺失;PTA≤35 dB,伴低频下降的98例,DPOAE低频或低、中频振幅下降或反应消失;DPOAE图与纯音听力图的病损频率范围一致,曲线基本吻合.39例听阈正常的梅尼埃病患者,DPOAE测试显示有程度不同的高频或高、中频或低频振幅下降或缺失.结论 DPOAE能鉴别出亚临床的病理改变,对梅尼埃病的早期诊断、动态监测与预后等有指导意义.

  4. Analysis on Pure Tone Audiometry of Workers Exposed to Noise in A Civil Airport%某民用飞机场接触噪声作业工人纯音听阈测试分析

    Institute of Scientific and Technical Information of China (English)

    陆强

    2011-01-01

    目的 探讨生产性噪声对作业工人听力的影响.方法 测定各噪声作业车间的噪声强度,对808名噪声作业人员进行纯音听阈测试,并对听力损失与工龄、工种的关系分别进行统计学分析.结果 4 000 Hz高频听阈听力损失人数最多;随着工龄的增加,听力损失检出率亦增加,不同工龄组间听力损失比较,差异有统计学意义(P<0.01),不同工种组间听力损失比较,差异无统计学意义(P>0.05).结论 噪声作业环境对作业工人高频听阈听力影响显著,随着噪声作业工龄的增加,听力损失检出率增加,建议加强个人防护,建立健康监护档案,控制职业性噪声聋发生.%[ Objective] To investigate the effect of noise on workers with occupational exposure. [ Methods] The noise intensity was measured in noise exposed workshops, 808 noise exposed workers were tested in terms of the pure tone audibility threshold, and the statistical analysis was carried out to identify the correlation between hearing loss and service length/type of work. [ Results ] There was the largest number of workers who suffered from hearing loss of 4 000 Hz high frequency audibility threshold; The heating loss detected rate rose along with the increase of service length , The hearing loss was significantly different between groups with different service length ( P <0.01). The hearing loss was not significantly different between worker of different type of work ( P > 0.05 ). [ Conclusion ] The noise exposed workers' high frequency audibility threshold is evidently influenced by the noise exposed working conditions. The hearing loss detected rate rises along with the increase of noise exposed length. It is recommended to strengthen self- protection and establish a health monitoring and protection record to avoid hearing loss induced by occupational noise.

  5. A Comparison of Aided Hearing Thresholds by Behavioral Audiometry and Auditory Steady-state Response in Sound Field%声场中记录的听性稳态助听反应阈与行为测试助听听阈的相关性

    Institute of Scientific and Technical Information of China (English)

    邹建华; 蓝小兵; 林琳; 李光智

    2011-01-01

    ObjectiveTo evaluate the aided hearing thresholds by using multiple-frequency auditory steady-state response (ASSR) to Chirp stimuli in sound field, to observe its correlation with behavioral aided hearing thresholds and to explore the clinical significance of ASSR to Chirp stimuli in evaluation of hearing aid outcome. Methods Twenty-two severely hearing-impaired children (39 ears)with hearing aids received the examination with Eclipse EP25 ASSR device and GSS-61 audiometer to obtain their aided hearing thresholds. Sixteen normal-hearing children (32 ears) received the examination to obtain their behavioral thresholds and ASSR thresholds. Results For the hearing-impaired group, the coefficients of ASSR and behavioral aided hearing thresholds were 0.65,0.68,0.77 and 0.82 at 0.5,1,2 and 4 kHz, respectively(P<0.01), which indicated there were correlations between the two test results. The paired t-test showed that there were significant differences between behavioral thresholds and ASSR thresholds of normal group at 0.5, 1, 2 and 4 kHz(P<0.01). The ASSR thresholds were 20-30 dB HL higher than behavioral thresholds, Conclusion The ASSR to Chirp stimuli can be used to evaluate the hearing aid outcomes in clinical practice.%目的 应用多频听觉稳态反应(ASSR)Chirp刺激信号在声场中测试助听反应阈,观察其阈值与行为测试助听听阈的相关性,探讨多频听觉稳态反应Chirp刺激信号声场测试评估助听器补偿效果的临床意义.方法 选取22例(39耳)重度感音神经性听力损失、已配戴助听器的患儿(听障组)和16例(32耳)听力正常儿童(对照组)为研究对象.应用国际听力Eclipse EP25型多频稳态诱发电位仪及美国GSI-61型听力计,分别对听障组在声场中使用两种仪器测试助听听阈;对对照组进行裸耳行为听阈与声场中听觉稳态反应阈测试.结果 在0.5、1、2、4 kHz处,听障组ASSR助听反应阈与行为助听听阈的相关系数分别为0.65、0.68、0.77和0.82,P值均<0.01,显示两种测试结果有相关性;对照组裸耳行为听阈与声场中记录的听觉稳态反应阈在0.5、1、2、4 kHz配对t检验均呈显著差异(P<0.01),ASSR声场反应阈高于行为听阈20~30 dB HL.结论 应用多频听觉稳态反应Chirp刺激信号声场测试进行助听器补偿效果评估在临床上具有可行性.

  6. A test method comparison on the brainstem auditory evoked potentials and the audiometry methods testing aircraft noise - induced hearing losses%飞机噪声性听力损伤的脑干听觉诱发电位及电测听方法比较

    Institute of Scientific and Technical Information of China (English)

    任力; 刘英; 叶舜华

    2002-01-01

    目的对飞机噪声暴露人群同时进行脑干听觉诱发电位(Brainstem anditory evoked potentials,BAEP)及电测听检查,比较两种方法检测听力损伤的价值.方法①对60名飞机维修保养人员及120名对照人群同时用脑干听觉诱发电位及电测听方法进行听力损伤检测.②用相关性分析及主成分分析等统计方法对该两种方法检测听力损伤的价值进行比较.结果①职业接触人群的BAEP潜伏期值与电测听1、2、4、6、8 KHz等频率及PTA、HPTA上的听觉阈值呈正相关,且与高频听觉阈值的相关性好.②用电测听4 kHz频率上的听觉阈值与BAEP的Ⅰ~Ⅴ波的峰间潜伏期做主成分分析:4 kHz频率上的听觉阈值的贡献率为78.9%,BAEP的Ⅰ~Ⅴ波的峰间潜伏期的贡献率为21.1%.结论电测听方法能反映主要的听力损伤状况,BAEP数据可预测飞机噪声对听力的早期影响,作为敏感性指标,对飞机噪声危害引起的听力损伤的早期发现具有较大价值.

  7. Estudo do efeito aprendizagem em exames audiométricos sequenciais de trabalhadores de indústria metalúrgica e suas implicações nos programas de conservação auditiva Learning effect in sequential industrial audiometries in a metallurgical industry and its influence on hearing conservation programs

    Directory of Open Access Journals (Sweden)

    Lydia H. F. G. Gobbato

    2004-08-01

    Full Text Available A avaliação audiométrica é crucial nos programas de prevenção das disacusias ocupacionais. Exames periódicos são comparados, um a um, com um exame admissional e a ocorrência de pioras desencadeia ações preventivas sobre o trabalhador e seu posto de trabalho. Muitos trabalhadores "melhoram" seus limiares, nos primeiros anos, devido ao efeito aprendizagem. Se tais melhoras forem contempladas pela legislação, a detecção das perdas auditivas poderá ser antecipada. OBJETIVO: Identificar o efeito aprendizagem nas audiometrias industriais e avaliar suas implicações, particularmente sobre a validade do exame audiométrico admissional. FORMA DE ESTUDO: Clínico retrospectivo. MATERIAL E MÉTODO: Foram analisados 835 audiogramas de 167 metalúrgicos e comparados cinco exames periódicos com o respectivo exame admissional. Foram consideradas como efeito aprendizagem as melhoras de 5 dB em freqüências isoladas ou em grupos de freqüências. RESULTADOS: De 92 a 96% dos trabalhadores apresentaram melhoras de 5 dB, entre 500 e 6.000 Hz, no período pesquisado. De 31 a 37% apresentaram melhoras de 5 dB, do segundo para o primeiro exame e de 23 a 35%, do quinto para o primeiro. Na média aritmética dos limiares em 500, 1.000 e 2.000 Hz e em 3.000, 4.000 e 6.000 Hz, de 16 a 23% apresentaram melhoras do segundo para o primeiro exame e de 11 a 15%, do quinto para o primeiro. CONCLUSÕES: O efeito aprendizagem produziu melhoras dos limiares tonais em mais de um terço da população estudada, nos seis primeiros exames audiométricos seqüenciais. Questiona-se, assim, a validade do primeiro exame audiométrico como referencial, para ser comparado com os seqüenciais.The audiometric evaluation is crucial to the success of the Hearing Conservation Programs in industries. Sequential audiograms have been compared with baseline ones made at the beginning of the employment. Preventive actions are taken as soon as a progressive occupational hearing loss occurs. However, many workers achieve better thresholds during the first five years by a learning effect. AIM: To identify the occurrence of the learning effect in the first five-year periodical audiograms in industries and evaluate its implications, particularly upon the true validity of the baseline audiogram. STUDY DESIGN: Clinical retrospective. MATERIAL AND METHOD: 835 audiograms of 167 workers were studied comparing five periodical audiometric tests with the respective baseline one. Better shifts of 5 dB or more, in one or more frequencies from 500 to 6.000 Hz were considered as "learning effect". RESULTS: From 92 to 96% of the workers presented better shifts in one or more frequencies. From 31 to 37% of the workers presented better shifts in one or more frequencies, comparing the second with the first test and from 23 to 35%, comparing the fifth with the first test. Comparing the average thresholds in 500, 1000 and 2000 Hz and in 3000, 4000 and 6000 Hz, from 16 to 23% of the workers presented better shifts, comparing the second with the first test and from 11 to 15%, comparing the fifth with the first test. CONCLUSION: The learning effect produced better shifts over more than one third of the studied population. So, the baseline audiogram may not be considered the best reference to be compared with the others tests.

  8. DPOAE measurements in comparison to audiometric measurements in hemodialyzed patients

    Institute of Scientific and Technical Information of China (English)

    Evis Bendo; Margarita Resuli; Spiros Metaxas

    2015-01-01

    Objective: To investigate the early detection of the damage of cochlear activity by using distortion product otoacustic emissions (DPOAE) (DP-gram) comparing to the results of the impedance audiometry. Methods: We examined 53 patients including 43 hemodialyzed patients, and 10 controls. First it was applied a tympanometry, and then in normal results we applied impedance audiometry and DPOAE (DP-gram). Results: We found sensorineural hearing loss in 67% of audiometric results of the hemodialyzed patients and there was a decrease of the DPOAE amplitude in 77% of hemodialyzed patients. In the control group there was one patient (10%) with neurosensorial in high frequencies hearing loss in both measurements with audiometry and DPOAE. Conclusions: There is a sensorineural hearing loss observed in most of the patients with chronic renal failure. DPOAE audiogram shows lower amplitudes than impedance audiometry and it can be used for the early detection of cochlear damage.

  9. Audiovestibular involvement in systemic sclerosis.

    Science.gov (United States)

    Berrettini, S; Ferri, C; Pitaro, N; Bruschini, P; Latorraca, A; Sellari-Franceschini, S; Segnini, G

    1994-01-01

    In order to evaluate the nature and association of audiovestibular disturbances and systemic sclerosis (SSC), 37 unselected SSC patients were studied with a detailed audiological and vestibular examination since November, 1987. Pure-tone audiometry, speech audiometry, impedance audiometry, brainstem response audiometry and vestibular function using electronystagmographic recording were performed. We found a rather frequent audiovestibular involvement (41%). A hearing loss was found in 14 SSC patients; hearing loss was sensorineural in 10 cases and mixed in 4 cases. The latter revealed a finding similar to tympanosclerosis. Four patients showed altered vestibular test values and only one of these had normal hearing. Sensorineural deafness was the more frequent pathological finding and in all cases the site of lesion was cochlear. SSC appears to be directly responsible for audiovestibular damage, since in 12 out of 15 patients with such involvement, no other apparent cause could be revealed. SSC may be included among the autoimmune diseases which may cause audiovestibular disturbances. PMID:8078672

  10. DPOAE measurements in comparison to audiometric measurements in hemodialyzed patients

    Directory of Open Access Journals (Sweden)

    Evis Bendo

    2015-08-01

    Conclusions: There is a sensorineural hearing loss observed in most of the patients with chronic renal failure. DPOAE audiogram shows lower amplitudes than impedance audiometry and it can be used for the early detection of cochlear damage.

  11. The Accuracy of IOS Device-based uHear as a Screening Tool for Hearing Loss: A Preliminary Study From the Middle East

    OpenAIRE

    Rashid Al-Abri; Mustafa Al-Balushi; Arif Kolethekkat; Deepa Bhargava; Amna Al-Alwi; Hana Al-Bahlani; Manal Al-Garadi

    2016-01-01

    Objectives: To determine and explore the potential use of uHear as a screening test for determining hearing disability by evaluating its accuracy in a clinical setting and a soundproof booth when compared to the gold standard conventional audiometry.   Methods: Seventy Sultan Qaboos University students above the age of 17 years who had normal hearing were recruited for the study. They underwent a hearing test using conventional audiometry in a soundproof room, a self-administered uHear ev...

  12. High frequency hearing thresholds and product distortion otoacoustic emissions in cystic fibrosis patients,

    Directory of Open Access Journals (Sweden)

    Lucia Bencke Geyer

    2015-12-01

    Full Text Available ABSTRACT INTRODUCTION: The treatment of patients with cystic fibrosis involves the use of ototoxic drugs, mainly aminoglycoside antibiotics. Due to the use of these drugs, fibrocystic patients are at risk of developing hearing loss. OBJECTIVE: To evaluate the hearing of patients with cystic fibrosis by High Frequency Audiometry and Distortion Product Otoacoustic Emissions. METHODS: Cross-sectional study. The study group consisted of 39 patients (7-20 years of age with cystic fibrosis and a control group of 36 individuals in the same age group without otologic complaints, with normal audiometric thresholds and type A tympanometric curves. High Frequency Audiometry and Distortion Product Otoacoustic Emissions tests were conducted. RESULTS: The study group had significantly higher thresholds at 250, 1000, 8000, 9000, 10,000, 12,500, and 16,000 Hz (p = 0.004 as well as higher prevalence of otoacoustic emission alterations at 1000 and 6000 Hz (p = 0.001, with significantly lower amplitudes at 1000, 1400, and 6000 Hz. There was a significant association between alterations in hearing thresholds in High Frequency Audiometry with the number of courses of aminoglycosides administered (p = 0.005. Eighty-three percent of patients who completed more than ten courses of aminoglycosides had hearing loss in High Frequency Audiometry. CONCLUSION: A significant number of patients with cystic fibrosis who received repeated courses of aminoglycosides showed alterations in High Frequency Audiometry and Distortion Product Otoacoustic Emissions. The implementation of ten or more aminoglycoside cycles was associated with alterations in High Frequency Audiometry.

  13. Diagnóstico da otite média em cães: comparação entre radiografia convencional, canalografia e audiometria de impedância

    Directory of Open Access Journals (Sweden)

    C.A.L. Leite

    2011-12-01

    Full Text Available Radiography (conventional and contrasted - canalography and audioelectrophysiologic (impedance audiometry tests were correlated with otitis media in 12 middle ear affected and 12 healthy dogs. When comparing both diagnostic methods, it was found that the reliability in the detection of otitis media in dogs was 100% for the first and 58.3-60.0% for the latter. Thus, it was possible to attest that the impedance audiometry was the most accurate method in the identification of otitis media in dogs when compared with radiographic assessments.

  14. Auditory function after continuous infusion of gentamicin to high-risk newborns

    DEFF Research Database (Denmark)

    Colding, H; Andersen, E A; Prytz, S;

    1989-01-01

    Audiometry was performed at four years of age in 69 of 105 surviving children who had received continuous intravenous infusion of gentamicin during neonatal intensive care. A hearing loss of 20 dB was found in 2 of them (3%), corresponding to that shown in other studies of survivors following...... neonatal intensive care. Free field audiometry performed in another 7 children and questionnaires returned from 13 of the remaining 29 gave no suspicion of hearing loss. Thus there is no indication that continuous 24 hours intravenous infusion of gentamicin causes more hearing impairment than intermittent...

  15. [Health surveillance in a steel making industry with electric arc furnace: 15 years of experience].

    Science.gov (United States)

    Corti, P

    2012-01-01

    This paper analyzes the results of health surveillance carried out in an electric steel mill for 15 years. We have analyzed the trend of audiometry, spirometry and main indicators of exposure to chemical risk: serum lead, urinary OH-pyrene, erythrocyte ZPP, and the results of risk assessment of stress work related. The analyses of the trend of audiometry, spirometry and biological monitoring shows an important improving in the working environment due to the progressive automation of production steps in the course of several years, consistent and correct use of DPI, information and training.

  16. Reversible audiometric threshold changes in children with uncomplicated malaria

    DEFF Research Database (Denmark)

    Adjei, George O; Goka, Bamenla Q; Kitcher, Emmanuel;

    2013-01-01

    is inconclusive. Methods. Audiometry was conducted in children with uncomplicated malaria treated with artesunate-amodiaquine (n = 37), artemether-lumefantrine (n = 35), or amodiaquine (n = 8) in Accra, Ghana. Audiometry was repeated 3, 7, and 28 days later and after 9 months. Audiometric thresholds were compared...... evident between treated children and controls after 9 months. The hearing thresholds of children treated with the two ACT regimens were comparable but lower than those of amodiaquine-treated children during acute illness. Interpretation. Malaria is the likely cause of the elevated hearing threshold levels...

  17. RISK FACTORS FOR HEARING LOSS IN PATIENTS TREATED WITH INTENSITY-MODULATED RADIOTHERAPY FOR HEAD-AND-NECK TUMORS

    NARCIS (Netherlands)

    C.L. Zuur; Y.J. Simis; E.A. Lamers; A.A. Hart; W.A. Dreschler; A.J. Balm; C.R. Rasch

    2009-01-01

    Purpose: Radiotherapy (RT) is a common treatment of head-and-neck carcinoma. The objective of this study was to perform a prospective multivariate assessment of the dose-effect relationship between intensity-modulated RT and hearing loss. Methods and Materials: Pure tone audiometry at 0.250-16 kHz w

  18. Adult Hearing Screening : Follow-Up and Outcomes

    NARCIS (Netherlands)

    Thodi, C.; Parazzini, M.; Kramer, S. E.; Davis, A.; Stenfelt, S.; Janssen, T.; Smith, P.; Stephens, D.; Pronk, M.; Anteunis, L. I.; Schirkonyer, V.; Grandori, F.

    2013-01-01

    Purpose: To screen hearing and evaluate outcomes in community-dwelling older adults. Method: Three thousand and twenty-five adults responded to an invitation to be screened by questionnaire, otoscopy, and pure-tone audiometry. Pure-tone average (PTA) >35 dB HL in the worse ear, unilateral hearing lo

  19. Reiter's syndrome and hearing loss: a possible association?

    OpenAIRE

    Monsanto, Rafael C; Neto, Arlindo C L; Lorenzetti, Fábio T M

    2014-01-01

    Key Clinical Message Patient complained of hearing loss and tinnitus after the onset of Reiter's syndrome. Audiometry confirmed the hearing loss on the left ear; blood work showed increased erythrocyte sedimentation rate and C3 fraction of the complement. Genotyping for HLA-B27 was positive. Treatment with prednisolone did not improve the hearing levels.

  20. HEARING-LOSS AND THE MAYER-ROKITANSKY-KUSTER-HAUSER SYNDROME

    NARCIS (Netherlands)

    STRUBBE, EH; CREMERS, CWRJ; DIKKERS, FG; WILLEMSEN, WNP

    1994-01-01

    The hearing of 51 female patients with the Mayer-Rokitansky-Kuster-Hauser syndrome was examined using otoscopy and standard audiometry. A unilateral or bilateral hearing loss of more than 15 dB Fletcher index was found in 13 of 51 (25.5%). Four of these 13 patients had a hearing loss of less than 20

  1. The Relationship between Nonverbal Cognitive Functions and Hearing Loss

    Science.gov (United States)

    Zekveld, Adriana A.; Deijen, Jan Berend; Goverts, S. Theo; Kramer, Sophia E.

    2007-01-01

    Purpose: This study investigated the relationship between hearing loss and memory and attention when nonverbal, visually presented cognitive tests are used. Method: Hearing loss (pure-tone audiometry) and IQ were measured in 30 participants with mild to severe hearing loss. Participants performed cognitive tests of pattern recognition memory,…

  2. Otoacoustic emissions recorded in people with chronic migraine

    Institute of Scientific and Technical Information of China (English)

    Lori Cameron; Wei Sun

    2014-01-01

    Migraine, a moderate to severe chronic headache occurring on one or both sides, is a common disease affects young people. Although hearing loss in subjects with migraine is not rare, the correlation of migraine with hearing loss is not clear. In this study, we examined hearing loss in young migraine subjects to determine if migraine may be a factor in causing cochlear dysfunction. Seven college students with migraine and three age matched subjects without history of migraine were assessed using extended high frequency audiometry and distortion product otoacoustic emissions (DPOAEs). There was no significant difference in regular audiometry threshold between the migraine group and the control group. However, high frequency audiometry (9e16 kHz) showed thresholds at 25 dB nHL or higher in six out of twenty ears in the migraine group. The amplitude of DPOAEs were reduced for more than 10 dB in the migraine group in comparison with the control group. These data suggest that migraine may affect cochlear dysfunction evidenced by the reduced amplitude of DPOAE and high frequency pure-tone audiometry.

  3. Effect of experimental hypothyroidism on hearing in adult guinea pigs.

    OpenAIRE

    Stearns, M; Goodwin, P

    1983-01-01

    A group of guinea pigs was rendered hypothyroid using propylthiouracil solution in their drinking water. The animals were hypothyroid for at least 120 days. During this time no change was noted in their hearing thresholds for high-frequency clicks. The audiometric evaluation was performed using brainstem evoked response audiometry.

  4. A Classical Conditioning Procedure for the Hearing Assessment of Multiply Handicapped Persons.

    Science.gov (United States)

    Lancioni, Giulio E.; And Others

    1989-01-01

    Hearing assessments of multiply handicapped children/adolescents were conducted using classical conditioning (with an air puff as unconditioned stimulus) and operant conditioning (with a modified visual reinforcement audiometry procedure or edible reinforcement). Findings indicate that classical conditioning was successful with 21 of the 23…

  5. Lack of ciprofloxacin ototoxicity after repeated ototopical application.

    OpenAIRE

    J. Claes; Govaerts, P J; Van de Heyning, P H; Peeters, S.

    1991-01-01

    The possible side effects of ototopically applied ciprofloxacin on inner ear function were investigated. The hearing function of pigmented guinea pigs was evaluated by daily frequency-specific evoked response audiometry after repeated application of the drug to both ears. Ciprofloxacin appeared to have no statistically significant effect on the hearing thresholds of the experimental animals.

  6. GJB2 (Connexin-26) mutations are not frequent among hearing impaired patients in East Greenland

    DEFF Research Database (Denmark)

    Homoe, P.; Koch, A.; Rendtorff, Nanna Dahl;

    2012-01-01

    for GJB2 sequencing from DNA, were selected from 166 East Greenlanders by specialist audiology examination, including pure-tone air and bone conduction audiometry from 125 Hz to 8000 Hz. Controls were 108 East- and 109 West-Greenlanders. Results: Forty-five patients with HI were included, 24 males and...

  7. HEARING ASSESSMENT IN CHRONIC RENAL FAILURE PATIENTS UNDERGOING HEMODIALYSIS

    Directory of Open Access Journals (Sweden)

    Arjun Singh

    2014-01-01

    Full Text Available The auditory sensitivity of 63 patient of chronic renal failure on hemodialysis was assessed in order to know the effect of dialysis on hearing threshold. All selected patient were non diabetic with normal tympanic membrane and with no history of ototoxic drug and any hereditary hearing problems. Pure tone audiometry was done before and after dialys is and all cases were followed for 3 month. A high incidence of high frequency sensorineural hearing loss was obtained which could not be attributed to age , noise exposure and ottotoxicity. An association between high frequency sensorineural hearing loss a nd hemodialysis is thus suggested KEYWORDS: Hemodialysis ; Pure tone audiometry ; High frequency sensorineural hearing loss ; Duration of disease ; Chronic renal failure

  8. Resolution of sudden sensorineural hearing loss following a roller coaster ride.

    Science.gov (United States)

    Kumar, Aman; Sinha, Amrita; Al-Waa, Ahmad M

    2011-07-01

    We report a case of sudden unilateral sensorineural hearing loss of sudden onset during an aeroplane flight, which completely resolved during a roller coaster ride at Alton Towers theme park. A review of the literature concerning sudden idiopathic sensorineural hearing loss and spontaneous resolution are discussed. Initially, pure-tone audiometry showed a profound sensorineural hearing loss in the right ear and mild sensorineural hearing loss in the left ear (of note, the hearing was normal prior to the episode). Following resolution of the patient's symptoms during a roller coaster ride, pure-tone audiometry showed normal hearing thresholds in both ears. Sudden sensorineural hearing loss is a symptom of cochlear injury and the mechanism of the patient's symptoms was attributed to a patent cochlear aqueduct.

  9. Resolution of sudden sensorineural hearing loss following a roller coaster ride.

    Science.gov (United States)

    Kumar, Aman; Sinha, Amrita; Al-Waa, Ahmad M

    2011-07-01

    We report a case of sudden unilateral sensorineural hearing loss of sudden onset during an aeroplane flight, which completely resolved during a roller coaster ride at Alton Towers theme park. A review of the literature concerning sudden idiopathic sensorineural hearing loss and spontaneous resolution are discussed. Initially, pure-tone audiometry showed a profound sensorineural hearing loss in the right ear and mild sensorineural hearing loss in the left ear (of note, the hearing was normal prior to the episode). Following resolution of the patient's symptoms during a roller coaster ride, pure-tone audiometry showed normal hearing thresholds in both ears. Sudden sensorineural hearing loss is a symptom of cochlear injury and the mechanism of the patient's symptoms was attributed to a patent cochlear aqueduct. PMID:22754856

  10. Effects on auditory function of chronic exposure to electromagnetic fields from mobile phones.

    Science.gov (United States)

    Bhagat, Sanjeev; Varshney, Saurabh; Bist, Sampan Singh; Goel, Deepak; Mishra, Sarita; Jha, Vivek Kumar

    2016-08-01

    The widespread use of mobile phones has given rise to apprehension regarding the possible hazardous health effects of high-frequency electromagnetic fields (EMFs) on auditory function. We conducted a study to investigate the effects of long-term (>4 yr) exposure to EMFs emitted by mobile phones on auditory function. Our study population was made up of 40 healthy medical students-31 men and 9 women, aged 20 to 30 years (mean 22.7). Of this group, 31 subjects typically held their phone to the right ear and 9 to the left ear; the non-phone-using ear served as each subject's control ear. The phone-using subjects were also split into two groups of 20 based on the duration of their daily phone use (≤60 min vs. >60 min). All subjects underwent pure-tone audiometry, speech audiometry, impedance audiometry, and brainstem evoked response audiometry (BERA), and comparisons were made between the phone-using ear and the control ear and between the shorter and longer duration of daily use. We found no statistically significant differences in high-frequency pure-tone average between the phone-using ears and the control ears (p = 0.69) or between the shorter- and longer-duration phone-using ears (p = 0.85). Moreover, statistical analysis of BERA findings revealed no significant differences between the phone-using ears and the control ears in terms of wave I-III, III-V, and I-V interpeak latencies (p = 0.59, 0.74 and 0.44, respectively). None of the subjects reported any subjective symptoms, such as headache, tinnitus, or sensations of burning or warmth behind, around, or on the phone-using ear. We conclude that the long-term exposure to EMFs from mobile phones does not affect auditory function. PMID:27551848

  11. VALIDATION OF THE ASSR TEST THROUGH COMPLEMENTARY AUDIOLOGYICAL METHODS

    Directory of Open Access Journals (Sweden)

    C. Mârtu

    2016-04-01

    Full Text Available Introduction: Auditory Steady State Response (ASSR is an objective method for determining the auditive threshold, applicable and necessary especially in children. The test is extremely important for recommending cochlear implant in children. The aim of the study was to compare pure tone audiometry responses and auditory steady-state thresholds. Materials and method: The study was performed on a group including both patients with normal hearing and with hearing loss. The main inclusion criteria accepted only patients with normal otomicroscopic aspect, normal tympanogram, capable to respond to pure tone audiometry, and with ear conduction thresholds between 0 and 80 dB NHL. The patients with suppurative otic processes or ear malformations were excluded. The research protocol was followed, the tests being performed in soundproofed rooms, starting with pure tone audiometry followed, after a pause, by ASSR determinations at frequencies of 0.5, 1.2 and 4 KHz. The audiological instruments were provided by a single manufacturer. ASSR was recorded at least two times for both borderline intensities, namely the one defining the auditory threshold and the first no-response intensity. The recorded responses were stored in a database and further processed in Excel. Discussion: The differences observed between pure tone audiometry and ASSR thresholds are important at 500 Hz and insignificant at the other frequencies. When approaching the PTA-ASSR relation, whatever the main characteristic between the PTA and ASSR thresholds in one ear, the profile of the lines gap maintains the same shape on the opposite ear. Conclusions: ASSR is a confident objective test, maintaining attention to low frequencies, where some differences might occur.

  12. Hearing Loss due to Carbon Monoxide Poisoning

    DEFF Research Database (Denmark)

    Mehrparvar, Amir Houshang; Davari, Mohammad Hossein; Mollasadeghi, Abolfazl;

    2013-01-01

    Carbon monoxide poisoning is one of the rare causes of hearing loss which may cause reversible or irreversible, unilateral or bilateral hearing loss after acute or chronic exposure. In this report, we present a case of bilateral sensorineural hearing loss in a secondary smelting workshop worker...... after an acute exposure to carbon monoxide. This complication was diagnosed by pure-tone audiometry and confirmed by transient evoked otoacoustic emissions. Hearing loss has not improved after 3 months of followup....

  13. Otosclerosis update (1). Pathophysiology and diagnosis

    International Nuclear Information System (INIS)

    Otosclerosis is an otological disease that typicaly causes conductive hearing loss. This disease is an important clinical entity since hearing impairment in these case can be dramatically improved by surgery. In this review paper, we review recent research into the pathophysiology of otosclerosis and summarize clinical features, audiometry and diagnostic imaging examinations in 160 ears with otosclerosis that we treated surgically in our department. (author)

  14. VALIDATION OF THE ASSR TEST THROUGH COMPLEMENTARY AUDIOLOGYICAL METHODS

    OpenAIRE

    C. Mârtu; Oana Manolache; Rusu, D; Raluca Olariu; S. Cozma

    2016-01-01

    Introduction: Auditory Steady State Response (ASSR) is an objective method for determining the auditive threshold, applicable and necessary especially in children. The test is extremely important for recommending cochlear implant in children. The aim of the study was to compare pure tone audiometry responses and auditory steady-state thresholds. Materials and method: The study was performed on a group including both patients with normal hearing and with hearing loss...

  15. Self-reported hearing performance in workers exposed to solvents

    OpenAIRE

    Adrian Fuente; Bradley McPhersonY; Ximena Hormazabal

    2013-01-01

    OBJECTIVE: To compare hearing performance relating to the peripheral and central auditory system between solvent-exposed and non-exposed workers. METHODS: Forty-eight workers exposed to a mixture of solvents and 48 non-exposed control subjects of matched age, gender and educational level were selected to participate in the study. The evaluation procedures included: pure-tone audiometry (500 - 8,000 Hz), to investigate the peripheral auditory system; the Random Gap Detection test, to assess th...

  16. Samsvar mellom audiologisk målt høreterskel og selvrapportert nedsatt hørsel i en populasjonsbasert studie: Resultater fra HUNT2

    OpenAIRE

    Bang-Larssen, Vibeke

    2014-01-01

    Background: Self-reported hearing loss has been validated against measured hearing loss across specific subgroups. However detailed validation studies on a large sample are limited. Purpose: The aim of the present study was to assess the effect of a single question on the identification of presence or absence of a hearing loss, compared against the gold standard of pure tone audiometry. The effect of level of education and self-reported health on the adjusted self-reported ...

  17. Eustachian tube lumen opening into an abnormally pneumatized sphenoid bone.

    OpenAIRE

    Bosschaert, P; Hiel, AL; Vilain, J

    2012-01-01

    Morphological abnormalities of left temporal and sphenoid bone were discovered in a 17-year-old boy during a post-traumatic cranial CT scan examination. The patient had not suffered from audiological disorders previously. He did not complain of hearing loss, vertigo or autophony. Further clinical investigations were normal including micro-otoscopy and nasopharyngeal endoscopy. The Valsalva maneuver was correctly performed. Audiometry and tympanometry were without any particularity.

  18. Auditory acuity in type 2 diabetes mellitus

    OpenAIRE

    Panchu, Pallavi

    2008-01-01

    BACKGROUND AND OBJECTIVES: The relationship between diabetes and hearing loss has been debated for many years. Hyperglycemia appears to have an effect on hearing loss and the proposed mechanisms are microangiopathy, neuropathy or a combination of both. The objective of this study was to evaluate a cross section of hyperglycemic subjects with age- and sex-matched normoglycemic controls with pure tone audiometry and compare the differences. MATERIALS AND METHODS: Forty-one type 2 diabetes melli...

  19. Pendred's syndrome

    International Nuclear Information System (INIS)

    This report describes Pendred's syndrome in three siblings of a consanguineous marriage, belonging to Rahimyar Khan. The children presented with deafmutism and goiters. The investigations included scintigram, perchlorate discharge test and audiometery. The perchlorate discharge was positive in index case. Bilateral sensorineural hearing defect was detected on Pure Tone Average (PTA) audiometry. Meticulous clinical and laboratory evaluation is mandatory for the detection of rare disorders like Pendred's syndrome. (author)

  20. Effects on auditory function of chronic exposure to electromagnetic fields from mobile phones.

    Science.gov (United States)

    Bhagat, Sanjeev; Varshney, Saurabh; Bist, Sampan Singh; Goel, Deepak; Mishra, Sarita; Jha, Vivek Kumar

    2016-08-01

    The widespread use of mobile phones has given rise to apprehension regarding the possible hazardous health effects of high-frequency electromagnetic fields (EMFs) on auditory function. We conducted a study to investigate the effects of long-term (>4 yr) exposure to EMFs emitted by mobile phones on auditory function. Our study population was made up of 40 healthy medical students-31 men and 9 women, aged 20 to 30 years (mean 22.7). Of this group, 31 subjects typically held their phone to the right ear and 9 to the left ear; the non-phone-using ear served as each subject's control ear. The phone-using subjects were also split into two groups of 20 based on the duration of their daily phone use (≤60 min vs. >60 min). All subjects underwent pure-tone audiometry, speech audiometry, impedance audiometry, and brainstem evoked response audiometry (BERA), and comparisons were made between the phone-using ear and the control ear and between the shorter and longer duration of daily use. We found no statistically significant differences in high-frequency pure-tone average between the phone-using ears and the control ears (p = 0.69) or between the shorter- and longer-duration phone-using ears (p = 0.85). Moreover, statistical analysis of BERA findings revealed no significant differences between the phone-using ears and the control ears in terms of wave I-III, III-V, and I-V interpeak latencies (p = 0.59, 0.74 and 0.44, respectively). None of the subjects reported any subjective symptoms, such as headache, tinnitus, or sensations of burning or warmth behind, around, or on the phone-using ear. We conclude that the long-term exposure to EMFs from mobile phones does not affect auditory function.

  1. Conductive and Mixed Hearing Losses: A Comparison between Summer and Autumn

    OpenAIRE

    Nickbakht, Mansoureh; Borzoo, Samira

    2014-01-01

    Background and Objectives Conductive hearing loss is common among children and adults. This study aims at comparing the results of conductive hearing loss in summer and autumn. Subjects and Methods Puretone audiometry and tympanometry tests were done for all patients who referred to the Iranian-based audiology center of Imam Khomeini Hospital in Ahvaz. Data on the patients with conductive or mixed hearing loss were analyzed. The impacts of season, age, and etiology of the disease were analyze...

  2. [Atypical symptoms of Fabry's disease: sudden bilateral deafness, lymphoedema and Lown-Ganong-Levine syndrome].

    Science.gov (United States)

    Undas, Anetta; Ryś, Donata; Wegrzyn, Wojciech; Musiał, Jacek

    2002-11-01

    A 40-year-old man with Fabry disease, confirmed by decreased leukocyte alpha-galactosidase A activity in 2001, complained of sudden bilateral deafness, as evidenced by clinical history and audiometry. Magnetic resonance of the brain revealed features typical of Fabry disease. Other clinical manifestations of the disease included: angiokeratoma, mild proteinuria with normal renal function, lymphoedema of the lower limbs, pre-excitation syndrome, myocardial hypertrophy.

  3. Outcomes of long-term audiological rehabilitation in charge syndrome.

    Science.gov (United States)

    Trevisi, P; Ciorba, A; Aimoni, C; Bovo, R; Martini, A

    2016-06-01

    The aim of this paper is to assess the long-term audiological features and outcomes of hearing rehabilitation in a large group of individuals with CHARGE Syndrome. The study has been conducted retrospectively, on a paediatric patient database, at the Audiology Department of the University Hospitals of Ferrara and Padua. The study sample included 31 children presenting with different degrees of hearing impairment associated with CHARGE syndrome. Hearing was assessed using auditory brainstem responses (ABRs) and/or electrocochleography, or conditioned audiometry (visual reinforcement audiometry [VRA] or play audiometry). Auditory-perceptual outcomes in terms of communication skills and expressive language were also recorded. The effects of hearing rehabilitation (with hearing aids or cochlear implants) in this group of children and language outcomes after rehabilitation were monitored during long-term follow-up. The outcomes of rehabilitation measures differed in relation to the heterogeneous and often severe disabilities associated with CHARGE syndrome, e.g. developmental delay, intellectual delay, visual impairment, thin 8(th) nerve with retrocochlear auditory dysfunction (as described in cases of auditory neuropathy/dyssynchrony). Oral expressive language was severely impaired in most cases, even after lengthy follow-up, suggesting the need for alternative augmentative communication modes. The early identification of sensorineural hearing loss, and carefully planned rehabilitation treatments, can be of some benefit in children with CHARGE syndrome. PMID:27214832

  4. Hearing disorders in Turner's syndrome: a survey from Iran.

    Science.gov (United States)

    Bakhshaee, Mehdi; Vakili, Rahim; Nourizadeh, Navid; Rajati, Mohsen; Ahrari, Asma; Movahed, Rahman

    2015-12-01

    Turner syndrome (TS) is one of the most frequently encountered sex-linked chromosomal abnormalities, occurring in one per 2,000 female births. These patients present with short stature and failure to begin puberty. In this syndrome, there are multiple organ abnormalities, including auditory disorders. TS patients were referred to the ENT clinic by a pediatric endocrinologist. A questionnaire was filled out and the patients went through a complete otologic examination. They were then referred to the audiology clinic to undergo audiologic test battery plus high-frequency pure tone audiometry. From a total of 48 ears examined, 11 (22.9 %) had a normal audiometry. Mid-frequency sensorineural hearing loss (SNHL), high-frequency SNHL, combined and mixed hearing loss were diagnosed in 6 (12/5 %), 20 (41/7 %), 6 (12/5 %) and 1 (2/1 %) ear, respectively. Tympanogram results showed normal compliance (A, As, Ad) in the majority of cases. B and C patterns were found in a few cases. Speech discrimination score was normal in all patients whereas speech reception threshold was normal in 92 % of the ears. Audiometry abnormality especially SNHL is common in TS patients, with the high-frequency pattern being the most frequent. PMID:25534285

  5. ROLE OF ELECTROPHYSIOLOGY IN EARLY DETECTION OF HEA RING IMPAIRMENT

    Directory of Open Access Journals (Sweden)

    Sree Devi

    2013-05-01

    Full Text Available ABSTRACT: In the present study about 72 children with complai nts of hearing impairment attending the Outpatient department of Government Ear, Nose a nd Throat Hospital were taken up. These children were chosen randomly and were followed up from consultation stage till the final diagnosis after completion of all the tests. The age range of children was from 1 year to 7 years. 43 Children were males and 29 children were females. All the ch ildren attended the Government E.N.T. Hospital for evaluation and further evaluations were done at the Hearing Aid Centre. Most of the children were from poor socio-economic status (White Ration Card Holders. Average time taken for each child ranged from 60 minutes to 120 minutes since t he physiological tests have to be done for the children under sedation as they are not co-operativ e. The Aims and Objectives of this study are 1. Early detection of hearing impairment in children h as been the main aim of this study. Children of age groups, ranging from 1 – 7 years with a complaint o f hearing impairment are taken up for this study. Main emphasis being on sensori-neural hearing loss with or without speech impairment, cases of external and middle ear conditions are excluded.2. Assessment of the type and degree of hearing loss and knowing probable site of pathology by conductin g a battery of tests- PTA (pure tone audiometry, FFA(Free field Audiometry, Impedance Audiometry, OAE(otoacoustic emissions, and BERA(Brain stem Evoked Response Audiometry.3. Know ing efficacy and accuracy of Electrophysiological tests in children who are othe rwise uncooperative or cannot understand and follow the subjective tests. 4. Comparing the resul ts of Electrophysiological tests and subjective tes ts. 5. Analyzing the data in terms of gender, etiology, type of hearing loss etc. With the advent of the advanced electrophysiological tests of hearing like BERA, OAE, Electrocochleography and Auditory Steady State Response audiometry

  6. Neurotology findings in patients with diagnosis of vascular loop of cranial nerves VIII in magnetic resonance imaging

    Directory of Open Access Journals (Sweden)

    Grocoske, Francisco Luiz Busato

    Full Text Available Introduction: The vascular compression by redundant vessels under the VIII cranial nerves has been studied since the 80's, and many authors proposed correlations between the compression and the otoneurological findings (vertigo, tinnitus, hypoacusis, audiometry and electrophysiological findings. Objective: Analyze and correlate the different signs and otoneurological symptoms, the audiological findings and its incidence over individuals with Vascular Loop (VL diagnosis of VIII cranial nerves by magnetic resonance imaging (MRI. Method: Retrospective study through the analysis of medical records of 47 patients attended in the otoneurology clinic of Clinical Hospital of UFPR. All the patients have MRI exams with compatible pictures of VL of the VIII cranial nerves. Results: The tinnitus was the most frequent symptom, in 83% of the patients, followed by hypoacusis (60% and vertigo (36%. The audiometry presented alterations in 89%, the brainstem evoked auditory potential in 33% and the vecto-electronystagmography in 17% of the patients. Was not found statistically significant relation between the buzz or hypoacusis, and the presence of VL in MRI. Only 36% of patients had complaints of vertigo, the main symptom described in theory of vascular compression of the VIII pair of nerve. As in the audiometry and in brainstem evoked auditory potential was not found a statistically significant relation between the exam and the presence of the VL in the RMI. Conclusion: The results show independence between the findings of the RMI, clinical picture and audiological results (p>0,05 suggesting that there are no exclusive and direct relation between the diagnosis of vascular loop in the MRI and the clinical picture matching.

  7. Automatic teleaudiometry: a low cost method to auditory screening

    Directory of Open Access Journals (Sweden)

    Campelo, Victor Eulálio Sousa

    2010-03-01

    Full Text Available Introduction: The auditory screening' benefits has been demonstrated, however these programs has been restricted to the big centers. Objectives: (a Developing a auditory screening method to distance; (b Testing its accuracy and comparing to the screening audiometry test (AV. Method: The teleaudiometry (TA, consists in a developed software, installed in a computer with phone TDH39. It was realized a study in series in 73 individuals between 17 and 50 years, being 57,%% of the female sex, they were randomly selected between patients and companions of the Hospital das Clínicas. Before were subjected to a symptom questionnaire and otoscopy, the individuals realized the tests of TA AV, with scanning in 20dB in the frequencies of 1,2 and 4kHz following the ASHA (1997 protocol and to the gold standard test of audiometry of pure tones in soundproof booth in aleatory order. Results: the TA has lasted average 125+11s and the AV 65+18s. 69 individuals (94,5% declaring to be found difficult or very easy to performing the TA and 61 (83,6% have considered easy or very easy the AV. The accuracy results of TA and AV were respectively: sensibility (86,7% / 86,7%, specificity (75,9%/ 72,4% and negative predictive value (95,7% / 95,5%, positive predictive value (48,1% / 55,2%. Conclusion: The teleaudiometry has showed a good option as an auditory screening method, presenting accuracy next to screening audiometry. In comparison with this method, the teleaudiometry has presented a similar sensibility, major specificity, negative predictive value and endurance time and, under positive predictive value.

  8. Shooting history and presence of high-frequency hearing impairment in swedish hunters: A cross-sectional internet-based observational study

    Directory of Open Access Journals (Sweden)

    Louise Honeth

    2015-01-01

    Full Text Available The aim of this cross-sectional study among Swedish hunters was to examine the association between shooting history and presence of high-frequency hearing impairment (HFHI. All hunters registered with an e-mail address in the membership roster of the Swedish Hunters′ Association were invited via e-mail to a secure website with a questionnaire and an Internet-based audiometry test. Associations, expressed as prevalence ratio (PR, were multivariately modelled using Poisson regression. The questionnaire was answered by 1771 hunters (age 11-91 years, and 202 of them also completed the audiometry test. Subjective severe hearing loss was reported by 195/1771 (11%, while 23/202 (11% exhibited HFHI upon testing with Internet-based audiometry. As many as 328/1771 (19% had never used hearing protection during hunting. In the preceding 5 years, 785/1771 (45%, had fired >6 unprotected gunshots with hunting rifle calibers. The adjusted PR of HFHI when reporting 1-6 such shots, relative to 0, was 1.5 [95% confidence interval (CI 1.1-2.1; P = 0.02]. We could not verify any excessive HFHI prevalence among 89 hunters reporting unprotected exposure to such gunshot noise >6 times. Nor did the total number of reported rifle shots seem to matter. These findings support the notion of a wide variation in individual susceptibility to impulse noise; that significant sound energy, corresponding to unprotected noise from hunting rifle calibers, seems to be required; that susceptible individuals may sustain irreversible damage to the inner ear from just one or a few shots; and that use of hearing protection should be encouraged from the first shot with such weapons.

  9. Shooting history and presence of high-frequency hearing impairment in swedish hunters: A cross-sectional internet-based observational study.

    Science.gov (United States)

    Honeth, Louise; Ström, Peter; Ploner, Alexander; Bagger-Sjöbäck, Dan; Rosenhall, Ulf; Nyrén, Olof

    2015-01-01

    The aim of this cross-sectional study among Swedish hunters was to examine the association between shooting history and presence of high-frequency hearing impairment (HFHI). All hunters registered with an e-mail address in the membership roster of the Swedish Hunters' Association were invited via e-mail to a secure website with a questionnaire and an Internet-based audiometry test. Associations, expressed as prevalence ratio (PR), were multivariately modelled using Poisson regression. The questionnaire was answered by 1771 hunters (age 11-91 years), and 202 of them also completed the audiometry test. Subjective severe hearing loss was reported by 195/1771 (11%), while 23/202 (11%) exhibited HFHI upon testing with Internet-based audiometry. As many as 328/1771 (19%) had never used hearing protection during hunting. In the preceding 5 years, 785/1771 (45%), had fired >6 unprotected gunshots with hunting rifle calibers. The adjusted PR of HFHI when reporting 1-6 such shots, relative to 0, was 1.5 [95% confidence interval (CI) 1.1-2.1; P = 0.02]. We could not verify any excessive HFHI prevalence among 89 hunters reporting unprotected exposure to such gunshot noise >6 times. Nor did the total number of reported rifle shots seem to matter. These findings support the notion of a wide variation in individual susceptibility to impulse noise; that significant sound energy, corresponding to unprotected noise from hunting rifle calibers, seems to be required; that susceptible individuals may sustain irreversible damage to the inner ear from just one or a few shots; and that use of hearing protection should be encouraged from the first shot with such weapons.

  10. A study of the high-frequency hearing thresholds of dentistry professionals

    Directory of Open Access Journals (Sweden)

    Lopes, Andréa Cintra

    2012-01-01

    Full Text Available Introduction: In the dentistry practice, dentists are exposed to harmful effects caused by several factors, such as the noise produced by their work instruments. In 1959, the American Dental Association recommended periodical hearing assessments and the use of ear protectors. Aquiring more information regarding dentists', dental nurses', and prosthodontists' hearing abilities is necessary to propose prevention measures and early treatment strategies. Objective: To investigate the auditory thresholds of dentists, dental nurses, and prosthodontists. Method: In this clinical and experimental study, 44 dentists (Group I; GI, 36 dental nurses (Group II; GII, and 28 prosthodontists (Group III; GIII were included, , with a total of 108 professionals. The procedures that were performed included a specific interview, ear canal inspection, conventional and high-frequency threshold audiometry, a speech reception threshold test, and an acoustic impedance test. Results: In the 3 groups that were tested, the comparison between the mean hearing thresholds provided evidence of worsened hearing ability relative to the increase in frequency. For the tritonal mean at 500 to 2,000 Hz and 3,000 to 6,000 Hz, GIII presented the worst thresholds. For the mean of the high frequencies (9,000 and 16,000 Hz, GII presented the worst thresholds. Conclusion: The conventional hearing threshold evaluation did not demonstrate alterations in the 3 groups that were tested; however, the complementary tests such as high-frequency audiometry provided greater efficacy in the early detection of hearing problems, since this population's hearing loss impaired hearing ability at frequencies that are not tested by the conventional tests. Therefore, we emphasize the need of utilizing high-frequency threshold audiometry in the hearing assessment routine in combination with other audiological tests.

  11. [Traumatic and occupational deafness].

    Science.gov (United States)

    Poncet, J L; Kossowski, M; Verdaille, P

    2000-01-15

    The frequency of accidental, traumatic hearing loss is increasing due to a sometimes violently noisy environment and to the development of sports as leisure activities. The diagnosis is based on knowledge of the circumstances of the trauma and on otoscopic examination. Total audiometry localises the damage. Occupational hearing loss forms a special subset of traumatic deafness. This trauma is usually due to intense noise occurring at the work-place. It is of insidious onset, irreversibly progressive and without treatment once under way; Prevention is based on knowledge of the deleterious effects of noise and on the individual factors of the subject at risk.

  12. Comparação entre critérios de recuperação auditiva na perda neurossensorial súbita Comparison of hearing recovery criteria in sudden sensorineural hearing loss

    Directory of Open Access Journals (Sweden)

    Daniel Paganini Inoue

    2012-06-01

    Full Text Available Inúmeros métodos de análise da recuperação auditiva na perda auditiva neurossensorial súbita idiopática (PANSI dificultam a comparação adequada dos diversos tratamentos encontrados na Literatura. OBJETIVO: Comparar diversos critérios de recuperação auditiva na PANSI, baseados na Literatura. MATERIAL E MÉTODO: Foi realizado um estudo clínico observacional de coorte, a partir de um protocolo prospectivo, em pacientes com PANSI, atendidos entre 2000 e 2010. Foram comparados cinco critérios de recuperação auditiva significativa e quatro critérios para recuperação completa, pela audiometria tonal, por meio de teste não paramétrico e de comparações múltiplas, ambos com um nível de significância de 5%. Após determinação do critério de recuperação auditiva mais rígido, foram adicionados parâmetros da audiometria vocal. RESULTADOS: Houve diferença significativa, entre esses critérios (p The countless methods available to analyze hearing recovery in idiopathic sudden sensorineural hearing loss (ISSHL cases hinder the comparison of the various treatments found in the literature. OBJECTIVE: This paper aims to compare the different criteria for hearing recovery in ISSHL found in the literature. MATERIALS AND METHODS: This is an observational clinical cohort study from a prospective protocol in patients with ISSHL, treated between 2000 and 2010. Five criteria were considered for significant hearing recovery and four for complete recovery by pure tone audiometry, using non-parametric tests and multiple comparisons at a significance level of 5%. After determining the stricter criteria for hearing recovery, vocal audiometry parameters were added. RESULTS: There was a significant difference between the criteria (p < 0.001 as they were analyzed together. Mild auditory recovery occurred in only 35 (27.6% patients. When speech audiometry was added, only 34 patients (26.8% showed significant improvement. CONCLUSIONS: There is a

  13. The use of total ossicular replacement prosthesis after radical tympanomastoidectomy

    Directory of Open Access Journals (Sweden)

    Rančić Dejan

    2013-01-01

    Full Text Available Background/Aim. This paper presents our operative method for hearing recovery after the previous radical tympanomastoidectomy, radical trepanation of the temporal bone (trepanatio radicalis ossis temporalis - TROT in eight patients submitted to operations for giant cholesteatotoma. Methods. All the patients were admitted to our clinic after TROT. There were no signs of cholesteatoma or infection. The patients refused any stent implantations or any hearing aids due to possible aesthetic problems. The described procedure developed in two steps. The first one was to restore the destroyed cavum tympany and to covert with chondroperichondral new membrane with a pin-like “guide” as collumela. The second step was to insert a TORP (total ossicular replacement prosthesis after guide excision. Results. After the first operation (stage one there were no infections in the operated area nor chondroperichondral graft rejection. Postoperative audiometry (6 to 8 weeks was done to demonstrate the improvement of air conduction. Three months following the first, the second (stage two operation was performed and 2.5 to 3 months after this operation even greater audiometry revealed hearing improvement in air- and bone-conduction. The patients were dismissed from the hospital 2 days after each procedure without any complications. They did not experience any dizziness, vomiting nor a severe pain. Three months after the second operative stage, otoscopic findings were very good. The audiometry findings after a 3-months period (after stage one and 3 months after final TORP insertion was done for each of the patients. After one year, the audiometric curve was the same. Clinical and audiometry follow up demonstrated a hearing recovery and closure of air bone gap (ABG to values of 5 to 15 dB. Conclusion. The use of TORP after radical tympanomastoidectomy is feasible. The first step of the procedure is the fixation of a neomembrane. A stabilized neomembrane is essential

  14. Clinical and audiological evaluation of hearing impaired children

    Directory of Open Access Journals (Sweden)

    Zafarullah Beigh

    2012-01-01

    Full Text Available Daily activities, interpersonal relationship, employment, and general well being; among such skills, communication skills are essential to a successful life for all individuals. Such skills affect education, adequate hearing acuity is of paramount importance and acts as a prerequisite in the overall personality development of an individual. Hearing impairment at any age has serious effects on the day to day life of an individual and he/she feels handicapped socially, emotionally, and scholastically. A child stuck with this malady is a back bencher in the class, excommunicative, and absent-minded. This study was conducted in order to find out various causes of hearing impairment in children and to study role of various audiological and radiological tests in finding the cause of impaired hearing in children. Aims and Objectives: To assess the possible etiological causes of hearing impairment in children. Study role of various audiological tests in finding the cause of impaired hearing in children. Study Design: Prospective study. Materials and Methods: This study was conducted in the Department of ENT and HNS of government medical college Srinagar. A total of 150 children of age range 0-14 years visited our ENT Department with complaints of impaired hearing, but only 70 children who met the inclusion criteria of impaired hearing and defective/delayed speech were selected for this study. Results of initial evaluation by means of comprehensive clinical history and followed by proper thorough systemic physical examination from head to toe was performed. These hearing impaired children were subjected to various subjective and objective tests; pure tone audiometry and behavioral observation audiometry were performed for subjective tests and impedance audiometry, Oto-acoustic emissions (OAE, and brainstem evoked response audiometry (BERA were performed for objective tests. Results: Possible etiological cause on the basis of history were birth anoxia (2

  15. Over-exposure effects on the distortion product otoacoustic emission

    DEFF Research Database (Denmark)

    Reuter, Karen

    with hearing-loss. Reported measurements of OAEs before and after noise exposure suggest that OAE is a more sensitive measure for the hearing function than pure-tone audiometry and therefore might be a measure for the early identification of hearing loss. No individual diagnosis of OAEs is possible today......, however. In the present study it was investigated, whether Distortion Product OtoAcoustic Emission (DPOAE) parameters exist, which indicate the early stage of a hearing loss. DPOAE was obtained with high frequency resolution, and its characteristic spectral fine structure was analyzed. Data of subjects...

  16. Distortion product otoacoustic emission fine structure of symphony orchestra musicians

    DEFF Research Database (Denmark)

    Reuter, Karen; Hammershøi, Dorte

    Otoacoustic emissions (OAE) are sounds produced by the healthy inner ear. They can be measured as low-level signals in the ear canal and are used to monitor the functioning of outer hair cells.Several studies indicate that OAE might be a more sensitive measure to detect early noise-induced hearing...... losses than puretone audiometry. The distortion product otoacoustic emission (DPOAE) fine structure is obtained when the ear is stimulated by dual tone stimuli using a high frequency resolution. It is characterized by quasi-periodic variations across frequency, as it can be observed in the hearing...

  17. Distortion product otoacoustic emission fine structure of symphony orchestra musicians

    DEFF Research Database (Denmark)

    Reuter, Karen; Hammershøi, Dorte

    2006-01-01

    Otoacoustic emissions (OAE) are sounds produced by the healthy inner ear. They can be measured as low-level signals in the ear canal and are used to monitor the functioning of outer hair cells. Many studies indicate that OAE might be a more sensitive measure to detect early noise-induced haring...... losses than pure-tone audiometry. The distortion product otoacoustic emission (DPOAE) fine structure is obtained when the ear is stiumulated by dual tone stimuli using a high frequency resolution. It is characterized by quasi-periodic variations across frequency, as it can be observed in the hearing...

  18. Audiological evidence of therapeutic effect of steroid treatment in neuromyelitis optica with hearing loss.

    Science.gov (United States)

    Takanashi, Yoshitaka; Misu, Tatsuro; Oda, Kazuha; Miyazaki, Hiromitsu; Yahata, Izumi; Hidaka, Hiroshi; Fujihara, Kazuo; Kawase, Tetsuaki; Kobayashi, Toshimitsu; Katori, Yukio

    2014-12-01

    Neuromyelitis optica (NMO) is an autoimmune astrocytopathy caused by anti-aquaporin 4 antibody. Only two patients with NMO have been reported presenting with hearing disorders to our knowledge. We recently treated a 40-year-old woman with NMO complaining of right hearing loss. Audiometry showed minimal asymmetry, but the auditory brainstem responses (ABR) were severely attenuated on the right. The attenuated ABR and her aural symptoms (hearing loss and fullness) improved after steroid treatment. The present case shows that the retrocochlear-type hearing loss may be associated with NMO.

  19. Clinico-audio-radiological and operative evaluation of otitis media with effusion

    Directory of Open Access Journals (Sweden)

    Karan Sharma

    2015-01-01

    Full Text Available Aims: Otitis media with effusion (OME is a common cause of hearing and speech impairment in children. The correlation of the clinical, audiological, radiological, and intraoperative findings was carried out so as to make a protocol for early diagnosis and management of OME. It will help prevent the more serious sequelae of OME such as tympanosclerosis, chronic adhesive otitis media, and even chronic suppurative otitis media. Methods: 300 clinically diagnosed patients of OME were studied prospectively. Thereafter, patients underwent impedance audiometry, pure tone audiometry, and X-ray soft tissue nasopharynx for adenoids. The patients were given adequate medical treatment for 3 to 6 months, and the patients who did not respond to the treatment were subjected to adenoidectomy with ear examination under magnification and myringotomy with or without grommet insertion. Results: The mean age at presentation was 5.96 years. Only 32% patients gave a history of hearing loss. About 90% patients had mouth breathing, followed by snoring (84%. About 79% ears had abnormal tympanic membrane appearance and mobility; 65.5% had an abnormality on impedance audiometry; and 69.75% had an air condition threshold level of >20 dB. About 78% patients had either Grade III or Grade IV Adenoid hypertrophy. Adenoidectomy was done in all 300 patients with myringotomy in 472 ears. Grommets were inserted in 365 ears. There was a significant reduction in mean air conduction threshold with an improvement of 8.0 dB and 7.5 dB in right and left ears, respectively at 2 months postoperatively. At 6 th month postoperative, the average improvement from baseline dropped to 6.0 dB in right ear and 5.5 dB in the left ear. Conclusion: OME is the most frequent causes of silent hearing impairment in young children which needs a close vigil. All suspected children (on clinical and otoscopic findings must be subjected to impedance audiometry and X-ray soft tissue nasopharynx for adenoids

  20. Sudden Hearing Loss Treated With Hyperbaric Oxygen (HBO – Case Study

    Directory of Open Access Journals (Sweden)

    Fal Michał

    2015-06-01

    Full Text Available The article presents a case study of a 32-year-old patient admitted to the Mazowia Hyperbaric Therapy Centre due to a sudden loss of hearing. In an interview the patient reported an abrupt hearing deterioration in his right ear and the feeling of congestion in the left ear with bilateral tinnitus present for over 2 months. The patient was qualified to undergo hyperbaric oxygen therapy (HBO. After 15 treatment sessions in a pressure chamber a noticeable improvement of hearing in his right-ear was noted (proved by pure tone audiometry and subjective hearing upswing in his left ear.

  1. Estudo audiológico de uma população idosa brasileira Audiological study of an elderly brazilian population

    Directory of Open Access Journals (Sweden)

    Luís Cláudio do Carmo

    2008-06-01

    Full Text Available A população idosa brasileira cresce e representa 8,6% do total populacional. Fatores ambientais, hábitos de vida, sexo e fatores genéticos interferem na evolução da presbiacusia que reduz a qualidade de vida. OBJETIVO: Investigar queixas audiológicas e vestibulares em idosos, executar audiometria tonal, verificar se há diferenças entre os sexos. FORMA DE ESTUDO: Clínico prospectivo de corte transversal. MATERIAL E MÉTODO: 320 pacientes idosos (160 homens e 160 mulheres foram submetidos a anamnese audiológica e audiometria tonal. Análise estatística dos resultados pelos testes ANOVA, Mann-Whitney e Qui-Quadrado. RESULTADO: As queixas audiológicas e vestibulares (perda auditiva, tinnitus, plenitude auricular, tontura foram similares entre os sexos (exceção, a tontura: pThe Brazilian elderly population is growing, and already represents 8,6% of our total population. Environmental factors, lifestyle, gender and genetics impact the development of presbycusis, which reduces quality of life. AIM: investigate audiologic and vestibular complaints in the elderly; perform tonal audiometry and check to see if there are differences between genders. STUDY: Cross-sectional clinical prospective study. MATERIALS AND METHODS: 320 elderly patients (160 men and 160 women were submitted to audiologic interview and tonal audiometry. The results were statistically analyzed by the following methods: ANOVA, Mann-Whitney and Chi-Squared. RESULTS: audiologic and vestibular complaints (hearing loss, tinnitus, ear fullness, dizziness were similar between the genders (except for dizziness: p<0,05; tonal audiometry showed a significant difference, with hearing loss in the high frequencies among men; and among women the curves were descending and flat. These results were statistically significant (P<0,001. CONCLUSION: our results lead us to conclude that, when the genders are compared, hearing loss in the elderly has similar symptoms; however, there are

  2. Tinnitus guidelines and treatment

    DEFF Research Database (Denmark)

    Larsen, Dalia Gustaityté; Ovesen, Therese

    2014-01-01

    In this study literature search was performed on tinnitus guidelines and treatment. Tinnitus can be described as the perception of sound in the absence of external acoustic stimulation, and validated questionnaires, oto-neurological examination, audiometry tests, MRI and angiography are necessary...... as diagnostic tools. Antidepressants, melatonin and cognitive behavioural therapy have no effect on tinnitus, whereas sound generators, hearing aids and tinnitus retraining therapy show some but limited improvement. National recommendations are required to ensure a homogenous and optimum offer for all patients....

  3. Otosyfilis

    DEFF Research Database (Denmark)

    Wanscher, Jens; Faber, Christian

    2010-01-01

    We present a case in which a patient infected with human immunodeficiency virus (HIV) developed a sensorineural hearing loss and tinnitus due to inner-ear syphilis affection. The patient had normal otomicroscopy, tympanometry, ear, nose & throat examination, caloric test and intracranial magnetic...... resonance imagining. Relevant serological blood samples and lumbal puncture indicated syphilis in its secondary stage or the early latent phase. Audiometry demonstrated a considerable improvement and tinnitus decreased after ten days of treatment with antibiotics and prednisone. Udgivelsesdato: 2010-Jul-12...

  4. Evaluation of aural manifestations in temporo-mandibular joint dysfunction.

    Science.gov (United States)

    Sobhy, O A; Koutb, A R; Abdel-Baki, F A; Ali, T M; El Raffa, I Z; Khater, A H

    2004-08-01

    Thirty patients with temporo-mandibular joint dysfunction were selected to investigate the changes in otoacoustic emissions before and after conservative treatment of their temporo-mandibular joints. Pure tone audiometry, transient-evoked otoacoustic emissions (TEOAE), distortion-product otoacoustic emissions (DPOAE) as well as a tinnitus questionnaire were administered to all patients before and after therapy. Therapy was conservative in the form of counselling, physiotherapy, anti-inflammatory agents, muscle relaxants, and occlusal splints. Results indicated insignificant changes in the TEOAEs, whereas there were significant increases in distortion product levels at most of the frequency bands. These results were paralleled to subjective improvement of tinnitus.

  5. The Galker test of speech reception in noise

    DEFF Research Database (Denmark)

    Lauritsen, Maj-Britt Glenn; Söderström, Margareta; Kreiner, Svend;

    2016-01-01

    and daycare teachers completed questionnaires on the children's ability to hear and understand speech. As most of the variables were not assessed using interval scales, non-parametric statistics (Goodman-Kruskal's gamma) were used for analyzing associations with the Galker test score. For comparisons......, analysis of variance (ANOVA) was used. Interrelations were adjusted for using a non-parametric graphic model. RESULTS: In unadjusted analyses, the Galker test was associated with gender, age group, language development (Reynell revised scale), audiometry, and tympanometry. The Galker score was also...

  6. Auditory Neuropathy/Dyssynchrony in Biotinidase Deficiency

    Science.gov (United States)

    Yaghini, Omid

    2016-01-01

    Biotinidase deficiency is a disorder inherited autosomal recessively showing evidence of hearing loss and optic atrophy in addition to seizures, hypotonia, and ataxia. In the present study, a 2-year-old boy with Biotinidase deficiency is presented in which clinical symptoms have been reported with auditory neuropathy/auditory dyssynchrony (AN/AD). In this case, transient-evoked otoacoustic emissions showed bilaterally normal responses representing normal function of outer hair cells. In contrast, acoustic reflex test showed absent reflexes bilaterally, and visual reinforcement audiometry and auditory brainstem responses indicated severe to profound hearing loss in both ears. These results suggest AN/AD in patients with Biotinidase deficiency. PMID:27144235

  7. The effect of intratympanic gentamicin for treatment of Ménière's disease on lower frequency hearing.

    Science.gov (United States)

    Sam, Gerben; Chung, Dick Wong; van der Hoeven, Ruud; Verweij, Sjoerd; Becker, Matthijs

    2016-08-01

    Background The intratympanic application of the ototoxic aminoglycoside gentamicin has shown promising results as an ablative treatment for vertigo associated with Ménière's disease. Objective To evaluate the efficacy and safety of intratympanic gentamicin and to specifically analyse the effect of this treatment on high and low hearing frequencies in patients with unilateral definite Ménière's disease. Method Subjects were treated with intratympanic gentamicin and were evaluated on vertigo, tinnitus, mean pure tone audiometry threshold and speech discrimination score. Subjects were followed for evaluation for up to 2 years after treatment. Results The number of vertigo spells per month decreased and subjects experienced less tinnitus. During follow up there was an increase of hearing loss in the low (0.25-, 0.5-, 1-kHz) frequency range (13.3 dB; p = 0.03). There was no significant increase of hearing loss in the high (2-, 4-, 8-kHz) frequency range. A clinically significant change in speech discrimination score was found in 50 % of the subjects. Conclusion Our results indicate that intratympanic gentamicin especially affects the mean pure tone audiometry threshold in the low frequency range, which may have clinical implications. Though many of our results are (statistically) substantial the study was limited by the small cohort size. PMID:27073077

  8. Patients affected with Fabry disease have an increased incidence of progressive hearing loss and sudden deafness: an investigation of twenty-two hemizygous male patients

    Directory of Open Access Journals (Sweden)

    Chassaing Augustin

    2002-10-01

    Full Text Available Abstract Background Fabry disease (FD, OMIM 301500 is an X-linked inborn error of glycosphingolipid metabolism due to the deficient activity of alpha-galactosidase A, a lysosomal enzyme. While the progressive systemic deposition of uncleaved glycosphingolipids throughout the body is known to have protean clinical manifestations, few data are available regarding the cochlear involvement. Methods We non-invasively investigated cochlear functions in 22 consecutive hemizygous males (age 19–64 years, mean 39 affected with classic FD. Conventional audiometry, tympanometry, ABR audiometry, otoacoustic emissions were performed in all patients, together with medical history record and physical examination as part of an exhaustive baseline evaluation prior to enzyme replacement therapy. Results A total of 12 patients (54.5% with classic FD were found to have abnormal audition. Five patients had progressive hearing loss and seven patients (32% experienced sudden deafness. In addition, a hearing loss on high-tone frequencies was found in 7 out of the 10 remaining patients without clinical impairment, despite their young age at time of examination. The incidence of hearing loss appeared significantly increased in FD patients with kidney failure (P tinnitus aurium was also found in six patients (27%. Conclusion This is the first evidence of a high incidence of both progressive hearing loss and sudden deafness in a cohort of male patients affected with classic Fabry disease. The exact pathophysiologic mechanism(s of the cochlear involvement deserves further studies.

  9. KRITERIA DIAGNOSIS DAN DIAGNOSIS BANDING SUDDEN DEAFNESS (SSNHL

    Directory of Open Access Journals (Sweden)

    Arvindan Subramaniam

    2016-03-01

    Full Text Available Introduction: Sudden deafness or sudden sensorineural hearing loss (SSNHL is defined as sensorineural hearing loss of more than 30 dB at three consecutive frequencies within 3 days of onset, often unilateral and idiopathic. Etiology of sudden deafness is still not known, but there are many theories put forward by the experts as a risk factor for sudden deafness. The prevalence of sudden deafness 5-30 per 100,000 people per year. Distribution of men and women almost equally, with the peak age of 50-60 years. Sudden deafness diagnosis is made based on history, physical examination and audiometry. Sudden deafness has three characteristics; acute, sensorineural hearing loss and unknown etiology. Additional characteristics may include vertigo, tinnitus and the absence of cranial nerve involvement. Management of sudden deafness include conservative therapy with multiple modalities. Case: Patient male, 40 years, Bali, Hindu present with hearing loss since ± 2 weeks ago. Patients previously complained of heat in the ear ± 2 days ago accompanied by a downward hearing and ears. A history of vomiting, coughs and colds denied. History of treatment at the hospital and was hospitalized for ± 2 weeks. Patients had never suffered from the same disease. No history of sinusitis, allergy, anemia, autoimmune and other systemic diseases. Patients also had never experienced trauma and underwent nasal surgery before. Keywords:sudden deafness, sensorineural, audiometry.

  10. Audiological Findings in Patients with Oculo-Auriculo-Vertebral Spectrum

    Science.gov (United States)

    Sleifer, Pricila; Gorsky, Natalya de Souza; Goetze, Thayse Bienert; Rosa, Rafael Fabiano Machado; Zen, Paulo Ricardo Gazzola

    2014-01-01

    Introduction Oculo-auriculo-vertebral spectrum, also referred to as Goldenhar syndrome, is a condition characterized by alterations involving the development of the structures of the first and second branchial arches. The abnormalities primarily affect the face, the eyes, the spine, and the ears, and the auricular abnormalities are associated with possible hearing loss. Objective To analyze the audiological findings of patients with oculo-auriculo-vertebral spectrum through liminal pure-tone audiometry and speech audiometry test. Methods Cross-sectional study conducted on 10 patients with oculo-auriculo-vertebral spectrum and clinical findings on at least two of the following areas: orocraniofacial, ocular, auricular, and vertebral. All patients underwent tonal and vocal hearing evaluations. Results Seven patients were male and three were female; all had ear abnormalities, and the right side was the most often affected. Conductive hearing loss was the most common (found in 10 ears), followed by sensorineural hearing loss (in five ears), with mixed hearing loss in only one ear. The impairment of the hearing loss ranged from mild to moderate, with one case of profound loss. Conclusions The results show a higher frequency of conductive hearing loss among individuals with the oculo-auriculo-vertebral spectrum phenotype, especially moderate loss affecting the right side. Furthermore, research in auditory thresholds in the oculo-auriculo-vertebral spectrum is important in speech therapy findings about the disease to facilitate early intervention for possible alterations. PMID:25992144

  11. Audiological findings in patients treated with radio- and concomitant chemotherapy for head and neck tumors

    International Nuclear Information System (INIS)

    To evaluate the functionality of the auditory system in patients who underwent radiotherapy and chemotherapy treatment with cisplatin to treat head and neck tumors. Case series with planned data collection. From May 2007 to May 2008 by the Department of Otorhinolaryngology and the Department of Oncology/Radiotherapy at Faculdade de Medicina de Marília. Audiological evaluation (Pure Tone Audiometry (air and bone conduction), Speech Audiometry, Tympanometry, Acoustic Reflex testing and Distortion Product Otoacoustic Emissions) was performed in 17 patients diagnosed with head and neck neoplasia and treated with chemotherapy, using cisplatin, and radiotherapy. 12 left ears (70.5%) and 11 right ears (64.7%) presented bilateral decreased hearing soon after the treatment for the frequency 1 kHz (mild auditory damage) and for the frequency 8 kHz (more significant auditory damage). Patients with head and neck cancer submitted to the conventional radiotherapy treatment, combined with the chemotherapy with cisplatin, presented a high incidence of decreased hearing by the end of treatment. Strong evidence was observed linking auditory alteration to the amount of radiotherapy treatment

  12. Prevalence of noise-induced hearing loss in drivers

    Directory of Open Access Journals (Sweden)

    Andréa Cintra Lopes1, , , ,

    2012-01-01

    Full Text Available Introduction: Work-related hearing loss is one of the most common occupational illness progresses over the years of noise exposure associated with the work environment, may cause damage to undertake physical activity, the individual's physiological and mental besides causing hearing damage irreversible interfering with communication and quality of life. With high prevalence of male evaluates which is the second leading cause of hearing loss. Since there is no medical treatment for this type of hearing loss, it is evident the importance of preventive and conferences aimed at preserving hearing and health as a whole. Objective: To assess the prevalence of hearing loss in audiometry admission of drivers. Methods: Retrospective study. By 76 charts of professional drivers in leased transport companies. We analyzed data from specific interview and pure tone audiometry. Results: The prevalence of abnormal tests was 22.36% with the lowest thresholds for tritonal average of 3,000, 4,000 and 6,000 Hz. The higher the age, the higher thresholds. Conclusion: This study has highlighted the occurrence of hearing in the absence of complaints. Considering that PAIR is preventable, justifies the importance of coordinated and multidisciplinary involving not only health teams and safety, but also the institutions involved in preserving the health of workers, as the team SESMET, unions or prosecutors.

  13. Detection of Early Noise-Induced Hearing Impairment in Pilots

    Institute of Scientific and Technical Information of China (English)

    WANG En-tong; GONG Wei-xi; CHEN Wei; MA Xiao-li; XIA Hui; CHEN Jun

    2008-01-01

    Objective To detect early signs of noise-induced hearing loss(NIHL) in military pilots without hearing complaints. Methods Pure tone audiometry and acoustic reflex thresholds were tested in 36 military pilots (72 ears) with noise exposure history but no complaints of hearing loss. Conventional test frequencies (0.25-8 kHz) and extended high frequencies (EHF, 10 and 12.5 kHz) were included in audiometry. White noise and pure tones at 0.5, 1, 2, and 4 kHz were used for acoustic reflex tests. Twenty normal hearing subjects(40 ears) with no exposure to occupational noise were used as controls. Results Pure tone thresholds at all conventional frequencies and at EHFs were elevated in the pilots, with the maximum shift at 4 kHz, compared with controls (p < 0.01 ). The pilots also showed elevated ART to white noise and decreased differentials between white noise and pure tone ARTs (p< 0.01 ). Conclusion Early signs of NIHL are present in some symptom-free military pilots. High frequency hearing threshold shift, elevated white noise ART and decreased differential between white noise and pure tone ARTs may be objective indicators of early NIHL.

  14. Transiently Evoked Otoacoustic Emissions in Children with Otitis Media with Effusion

    Directory of Open Access Journals (Sweden)

    Dimitris G. Balatsouras

    2012-01-01

    Full Text Available Introduction. Otitis media with effusion is a common pediatric disease whose diagnosis is based on pneumatic otoscopy, pure-tone audiometry, and tympanometry. The aim of this study was to evaluate transiently evoked otoacoustic emissions in the diagnosis of otitis media with effusion as compared to tympanometry. Patients and Methods. 38 children with bilateral otitis media with effusion were studied. 40 normal children of similar age and sex were used as controls. All subjects underwent pneumatic otoscopy, standard pure-tone audiometry, tympanometry, and transiently evoked otoacoustic emissions. Results. In the group of children with bilateral otitis media, transiently evoked otoacoustic emissions were absent in 51 ears (67%. In the remaining 25 ears (33% the mean emission amplitude was reduced, as compared to the mean value of the control group. Conclusions. Transiently evoked otoacoustic emissions should be included in the diagnostic workup of otitis media with effusion because it is a fast, reliable, and objective test. Transiently evoked otoacoustic emissions should always be used in conjunction with tympanometry, because a more meaningful interpretation of transiently evoked otoacoustic emissions measures is possible.

  15. Auditory steady state response in hearing assessment in infants with cytomegalovirus

    Directory of Open Access Journals (Sweden)

    Daniela Polo C. Silva

    2013-12-01

    Full Text Available OBJECTIVE: To report an infant with congenital cytomegalovirus and progressive sensorineural hearing loss, who was assessed by three methods of hearing evaluation. CASE DESCRIPTION: In the first audiometry, at four months of age, the infant showed abnormal response in Otoacoustic Emissions and normal Auditory Brainstem Response (ABR, with electrophysiological threshold in 30dBnHL, in both ears. With six months of age, he showed bilateral absence of the ABR at 100dBnHL. The behavioral observational audiometry was impaired due to the delay in neuropsychomotor development. At eight months of age, he was submitted to Auditory Steady State Response (ASSR and the thresholds were 50, 70, absent in 110 and in 100dB, respectively for 500, 1,000, 2,000 and 4,000Hz in the right ear, and 70, 90, 90 and absent in 100dB, respectively for 500, 1,000, 2,000 and 4,000Hz in the left ear. COMMENTS: In the first evaluation, the infant had abnormal Otoacoustic Emission and normal ABR, which became altered at six months of age. The hearing loss severity could be identified only by the ASSR, which allowed the best procedure for hearing aids adaptation. The case description highlights the importance of the hearing status follow-up for children with congenital cytomegalovirus.

  16. The viability of speech-in-noise audiometric screening using domestic audio equipment.

    Science.gov (United States)

    Culling, John F; Zhao, Fei; Stephens, Dafydd

    2005-12-01

    Speech-in-noise audiometry has potential application as a low-cost, self-screening test for sensorineural hearing loss. To realize this potential, the influence of variations in audio equipment and listening environment need assessment. The present study assessed: 1) the frequency response and distortion produced by a wide range of commercially available audio equipment; 2) the effects of such variations upon test results with normally hearing subjects using a simple, open-set, word-identification test; 3) the effect of distortion on the speech reception threshold using digitally applied distortion; and 4) the reliability of the test in listening environments with different levels of reverberation. In addition, preliminary tests were conducted with elderly listeners. The results indicate that variations in equipment have negligible effects on speech-in-noise audiometry. The only factor that substantially elevated normally hearing listeners' thresholds was high levels of room reverberation when using loudspeaker presentation. Variations in equipment and environment thus present no significant obstacle to the development of a self-administered audiometric screening test based on speech in noise. PMID:16450920

  17. Reversible Audiometric Threshold Changes in Children with Uncomplicated Malaria

    Directory of Open Access Journals (Sweden)

    George O. Adjei

    2013-01-01

    Full Text Available Background. Plasmodium falciparum malaria, as well as certain antimalarial drugs, is associated with hearing impairment in adults. There is little information, however, on the extent, if any, of this effect in children, and the evidence linking artemisinin combination therapies (ACTs with hearing is inconclusive. Methods. Audiometry was conducted in children with uncomplicated malaria treated with artesunate-amodiaquine (n=37, artemether-lumefantrine (n=35, or amodiaquine (n=8 in Accra, Ghana. Audiometry was repeated 3, 7, and 28 days later and after 9 months. Audiometric thresholds were compared with those of a control group of children (n=57 from the same area. Findings. During the acute stage, hearing threshold levels of treated children were significantly elevated compared with controls (P<0.001. The threshold elevations persisted up to 28 days, but no differences in hearing thresholds were evident between treated children and controls after 9 months. The hearing thresholds of children treated with the two ACT regimens were comparable but lower than those of amodiaquine-treated children during acute illness. Interpretation. Malaria is the likely cause of the elevated hearing threshold levels during the acute illness, a finding that has implications for learning and development in areas of intense transmission, as well as for evaluating potential ototoxicity of new antimalarial drugs.

  18. The Diagnosis and Treatment of Pseudo Deafness%伪聋的诊断和处理

    Institute of Scientific and Technical Information of China (English)

    孙一鸣

    2016-01-01

    本文综合分析纯音听阈测试、声导抗测试、畸变产物耳声发射和脑干听觉诱发电位等方法鉴别伪聋的优缺点,各测试方法互相验证,结合心理治疗,以正确诊断伪聋.主观测试和客观测试的方法各有优劣,需联合检查,综合分析,经心理暗示,可明确诊断.%This paper would comprehensively analyze the advantages and disadvantages of methods such as pure tone audiometry, impedance audi-ometry, distortion product otoacoustic emission and brainstem auditory evoked potential in distinguishing pseudo deafness, every test validates each other, and combines with psychotherapy to correctly diagnose pseudo deafness. Subjective and objective tests have their own advantages and disad-vantages, it needs combined test, comprehensive analysis, psychological suggestion to finally definite diagnosis.

  19. Audiometric changes with age in Hiroshima: a statistical study

    Energy Technology Data Exchange (ETDEWEB)

    Hollingsworth, J.W.; Ishii, Goro

    1960-10-01

    Audiometry observations were analyzed for 290 irradiated survivors of the 1945 atomic bomb in Hiroshima and in 293 nonirradiated subjects. The study was undertaken in order to determine the age changes in audiology in irradiated and nonirradiated subjects as well as to investigate the pattern of hearing levels in a Japanese population for comparison with patterns in Caucasians. The following statistical observations were made. Correlation between hearing levels for right and left ear. Correlation between hearing levels at various cycles. Changes in hearing levels by age and sex. The relation between age and decibel loss was not linear and correlation ratios with age were 0.45 to 0.72. Audiometry seems to be of some value as one of a battery of tests of physiologic aging designed for detection of irradiation induced nonspecific aging acceleration. In this relatively small sample, no differences in hearing acuity were detected in the atomic bomb survivors as compared with the control sample. 6 references, 3 figures, 9 tables.

  20. Auditory Neuropathy: Findings of Behavioral, Physiological and Neurophysiological Tests

    Directory of Open Access Journals (Sweden)

    Mohammad Farhadi

    2006-12-01

    Full Text Available Background and Aim: Auditory neuropathy (AN can be diagnosed by abnormal auditory brainstem response (ABR, in the presence of normal cochlear microphonic (CM and otoacoustic emissions (OAEs.The aim of this study was to investigate the ABR and other electrodiagnostic test results of 6 patients suspicious to AN with problems in speech recognition. Materials and Methods: this cross sectional study was conducted on 6 AN patients with different ages evaluated by pure tone audiometry, speech discrimination score (SDS , immittance audiometry. ElectroCochleoGraphy , ABR, middle latency response (MLR, Late latency response (LLR, and OAEs. Results: Behavioral pure tone audiometric tests showed moderate to profound hearing loss. SDS was so poor which is not in accordance with pure tone thresholds. All patients had normal tympanogram but absent acoustic reflexes. CMs and OAEs were within normal limits. There was no contra lateral suppression of OAEs. None of cases had normal ABR or MLR although LLR was recorded in 4. Conclusion: All patients in this study are typical cases of auditory neuropathy. Despite having abnormal input, LLR remains normal that indicates differences in auditory evoked potentials related to required neural synchrony. These findings show that auditory cortex may play a role in regulating presentation of deficient signals along auditory pathways in primary steps.

  1. Effect of recreational noise exposure on hearing impairment among teenage students.

    Science.gov (United States)

    Tung, Chen-Yin; Chao, Keh-Ping

    2013-01-01

    Several studies have focused on the potential impact of children's hearing loss on learning and development. Recently, numerous teenage students have been found to be fond of listening to music on personal devices and participating in recreational music activities. The objective of this study was to investigate teenage students' hearing impairment, their experience with recreational noise exposure, and their self-reported hearing. The participants were 1878 first-year students at a university in Taiwan. The result of the pure tone audiometry test showed that 11.9% of the participants had one or two ears with a hearing threshold over 25 dB. Over the past year, approximately 80.9% of the participants had taken part in at least one loud-noise recreational activity, and 90.9% of the participants were in the habit of using earphones. Among the participants, 190 students with a high level of recreational noise exposure were assigned to the exposure group, and 191 students with a low level of recreational noise exposure constituted the control group. The exposure group had more hearing problems than the control group, but no significant difference existed between the two groups in the pure tone audiometry test (p=0.857). It is suggested that the schools should reinforce hearing health education and proactively provide intervention measures, such as hearing tests, evaluation of noise exposure, and hearing protection. PMID:22940166

  2. Audiological evaluation in Chinese patients with mitochondrial encephalomyopathies

    Institute of Scientific and Technical Information of China (English)

    Liu Yuhe; Xue Junfang; Zhao Danhua; Chen Li; Yuan Yun; Wang Zhaoxia

    2014-01-01

    Background Hearing impairment has been reported to be common in patients with mitochondrial disorders,a group of diseases characterized by pleiomorphic clinical manifestations due to defects in oxidative phosphorylation of mitochondria.This study aimed to investigate the audiological characteristics in a large cohort of patients with mitochondrial disease.Methods Comprehensive audiological evaluations,including pure tone audiometry,tympanometry,speech audiometry,otoacoustic emissions,electrocochleography and auditory brainstem evoked potentials,were performed in 73 Chinese patients with mitochondrial encephalomyopathy and with confirmed mitochondrial DNA (mtDNA) defects.Results Among the patients,71% had hearing impairment.However,the incidence rate and severity of hearing impairment were much less in the chronic progressive external ophthalmoplegia (CPEO) subtype than in the mitochondrial encephalomyopathy,lactic acidosis,and stroke-like episodes (MELAS),myoclonic epilepsy with ragged red fibers (MERRF) and Kearns-Sayre syndrome (KSS) subtypes.While most of our patients had a predominantly cochlea origin for the hearing deficit,five patients had an auditory neuropathy spectrum disorder and three patients had impairment of both cochlea and auditory codex.Conclusions Various portions of the auditory system could be involved in patients with mitochondrial diseases,including cochlea,auditory nerve,auditory pathway and cortex.Hearing loss was more associated with multisystem involvement.Genotype,mutant load of mtDNA and other unknown factors could contribute to heterogeneity of hearing impairment in mitochondrial disease.

  3. Comparison of advanced optical imaging techniques with current otolaryngology diagnostics for improved middle ear assessment (Conference Presentation)

    Science.gov (United States)

    Nolan, Ryan M.; Shelton, Ryan L.; Monroy, Guillermo L.; Spillman, Darold R.; Novak, Michael A.; Boppart, Stephen A.

    2016-02-01

    Otolaryngologists utilize a variety of diagnostic techniques to assess middle ear health. Tympanometry, audiometry, and otoacoustic emissions examine the mobility of the tympanic membrane (eardrum) and ossicles using ear canal pressure and auditory tone delivery and detection. Laser Doppler vibrometry provides non-contact vibrational measurement, and acoustic reflectometry is used to assess middle ear effusion using sonar. These technologies and techniques have advanced the field beyond the use of the standard otoscope, a simple tissue magnifier, yet the need for direct visualization of middle ear disease for superior detection, assessment, and management remains. In this study, we evaluated the use of portable optical coherence tomography (OCT) and pneumatic low-coherence interferometry (LCI) systems with handheld probe delivery to standard tympanometry, audiometry, otoacoustic emissions, laser Doppler vibrometry, and acoustic reflectometry. Comparison of these advanced optical imaging techniques and current diagnostics was conducted with a case study subject with a history of unilateral eardrum trauma. OCT and pneumatic LCI provide novel dynamic spatiotemporal structural data of the middle ear, such as the thickness of the eardrum and quantitative detection of underlying disease pathology, which could allow for more accurate diagnosis and more appropriate management than currently possible.

  4. Cochlear Implant Programming: A Global Survey on the State of the Art

    Directory of Open Access Journals (Sweden)

    Bart Vaerenberg

    2014-01-01

    Full Text Available The programming of CIs is essential for good performance. However, no Good Clinical Practice guidelines exist. This paper reports on the results of an inventory of the current practice worldwide. A questionnaire was distributed to 47 CI centers. They follow 47600 recipients in 17 countries and 5 continents. The results were discussed during a debate. Sixty-two percent of the results were verified through individual interviews during the following months. Most centers (72% participated in a cross-sectional study logging 5 consecutive fitting sessions in 5 different recipients. Data indicate that general practice starts with a single switch-on session, followed by three monthly sessions, three quarterly sessions, and then annual sessions, all containing one hour of programming and testing. The main focus lies on setting maximum and, to a lesser extent, minimum current levels per electrode. These levels are often determined on a few electrodes and then extrapolated. They are mainly based on subjective loudness perception by the CI user and, to a lesser extent, on pure tone and speech audiometry. Objective measures play a small role as indication of the global MAP profile. Other MAP parameters are rarely modified. Measurable targets are only defined for pure tone audiometry. Huge variation exists between centers on all aspects of the fitting practice.

  5. 老年人听力障碍筛查量表结合畸变产物耳声发射诊断早期老年性聋%Hearing Handicap Inventory for the Elderly combined with Distortion Product Otoacoustic Emission testing in early diagnosis of presbycusis

    Institute of Scientific and Technical Information of China (English)

    雷磊; 李剑挥; 王新; 李北成

    2015-01-01

    ObjectiveTo determine the value of the Hearing Handicap Inventory for the Elderly (HHIE)-screening version and the Distortion Product Otoacoustic Emissions testing (DPOAE) in the diagnosis of early presbycusis. Methods Ninety-five elderly patients (51 males and 44 females, over 65 years old, with hearing loss for more than 1 year because of sensorineural hearing loss) admitted in the Hainan Branch of Chinese PLA General Hospital from May 2013 to October 2014 were enrolled in this study. The cohort underwent pure tone audiometry, acoustic impedance tests, DPOAE testing and was surveyed with hearing screening scale HHIE.Results For the 11 patients diagnosed as mild hearing loss by pure tone audiometry, their HHIE scored an average of (30.1±5.0) points, including 1 case≥43 points [as severe hearing impairment, accounting for 9.1% (1/11)], and the detection rate of DPOAE was 81.8%, with a threshold of (61.3±7.0) dB SPL. For the 23 patients of moderate hearing loss by pure tone audiometry, their HHIE scores were averagely (35.6±4.0) points, including 3 cases≥43 points [as severe hearing impairment, accounting for 13.0% (3/23)], and the detection rate of DPOAE was 78.3%, with a threshold of (68.3±5.0) dB SPL. For the 34 cases of moderately severe hearing loss by pure tone audiometry, their HHIE scored an average of (39.3±6.0) points, and 12 cases of them had≥43 points [as severe hearing impairment, accounting for 35.3% (12/34)], and their DPOAE detection rate was 52.9% with a threshold of (71.3±5.0) dB SPL. For the 18 cases of severe hearing loss by pure tone audiometry, their HHIE scored an average of (61.7±2.0) points, all of them were severe hearing impairment, and the DPOAE detection rate was 11.1% with a threshold of (80.4±3.0) dB SPL. For the 9 cases of extremely severe hearing loss by pure tone audiometry, their HHIE scores were (89.7±5.0) points in average, all of them were severe hearing impairment, and the DPOAE detection rate was 0

  6. Congenital hereditary endothelial dystrophy with progressive sensorineural deafness (Harboyan syndrome

    Directory of Open Access Journals (Sweden)

    Abramowicz Marc

    2008-10-01

    Full Text Available Abstract Harboyan syndrome is a degenerative corneal disorder defined as congenital hereditary endothelial dystrophy (CHED accompanied by progressive, postlingual sensorineural hearing loss. To date, 24 cases from 11 families of various origin (Asian Indian, South American Indian, Sephardi Jewish, Brazilian Portuguese, Dutch, Gypsy, Moroccan, Dominican have been reported. More than 50% of the reported cases have been associated with parental consanguinity. The ocular manifestations in Harboyan syndrome include diffuse bilateral corneal edema occurring with severe corneal clouding, blurred vision, visual loss and nystagmus. They are apparent at birth or within the neonatal period and are indistinguishable from those characteristic of the autosomal recessive CHED (CHED2. Hearing deficit in Harboyan is slowly progressive and typically found in patients 10–25 years old. There are no reported cases with prelinglual deafness, however, a significant hearing loss in children as young as 4 years old has been detected by audiometry, suggesting that hearing may be affected earlier, even at birth. Harboyan syndrome is caused by mutations in the SLC4A11 gene located at the CHED2 locus on chromosome 20p13-p12, indicating that CHED2 and Harboyan syndrome are allelic disorders. A total of 62 different SLC4A11 mutations have been reported in 98 families (92 CHED2 and 6 Harboyan. All reported cases have been consistent with autosomal recessive transmission. Diagnosis is based on clinical criteria, detailed ophthalmological assessment and audiometry. A molecular confirmation of the clinical diagnosis is feasible. A variety of genetic, metabolic, developmental and acquired diseases presenting with clouding of the cornea should be considered in the differential diagnosis (Peters anomaly, sclerocornea, limbal dermoids, congenital glaucoma. Audiometry must be performed to differentiate Harboyan syndrome from CHED2. Autosomal recessive types of CHED (CHED2 and

  7. 探讨听神经病的临床表现和听力学特征

    Institute of Scientific and Technical Information of China (English)

    余开华

    2012-01-01

    目的探讨听神经病(AN)的临床表现以及听力学特征,分析听力学检测在AN诊断中的意义。方法回顾性分析26例AN患者的临床表现、纯音听阈、声导抗、言语识别率、听性脑干反应(ABR)、畸变产物耳声发射(DPOAE)的结果。结果听神经病多发于青少年,女性多于男性。纯音听阈呈轻、中度升高,以双耳对称的上升型听阈图为主。言语识别率显著下降,且与纯音听阈不成比例。同侧、对侧镫骨肌反射引不出,ABR表现明显异常,DPOAE正常或基本正常。结论 AN的临床表现和系统的听力学检查对认识和明确诊断有重要的意义。%Objective To investigate auditory neuropathy ( AN ) showed clinical and audiological characteristics, analysis of audiological tests in the diagnosis of AN. Methods a retrospective analysis of 26 cases of AN patients with clinical manifestations, pure tone audiometry, acoustic impedance, speech recognition, auditory brainstem response (ABR), distortion product otoacoustic emission ( DPOAE ) results. The results of auditory neuropathy in multiple in adolescents, more women than men. Pure tone audiometry showed mild, moderate elevation, to binaural symmetrical rising threshold figures. Speech recognition rate decreased significantly, and the disproportionate and pure tone audiometry. Ipsilateral, contralateral stapedial reflex was absent, ABR was abnormal, normal or nearly normal DPOAE. Conclusions the clinical manifestations of AN and systematic audiologic examination on the understanding and diagnosis has important significance.

  8. AUDIOLOGICAL EVALUATION IN GERIATRIC AGE GROUP

    Directory of Open Access Journals (Sweden)

    Satheesh

    2015-05-01

    Full Text Available INTRODUCTION: Age Related Hearing Loss (ARHL is defined as loss of hearing in elderly persons not influe nced by the extraneous factors like noise trauma etc or intrinsic like CVS related diseases or endocrinal disorders like Diabetes. Also termed as Presbycusis it is defined as the loss of hearing due to age related changes taking place in the auditory syste m starting from the pinna to the cortical centers in the brain. It does not include any other factor contributing or initiating the pathological changes in the auditory system resulting in hearing loss. All these changes in the tissues are not pathological but truly age related. The threshold of hearing is defined as the pure tone average across the frequencies of 0.5 to 8 kHz. The severity of hearing loss is graded as profound hearing loss : more than 90dB , severe to severe loss : 71 - 90 dB or more ; Moderate to severe hearing loss : 56 - 70 , Moderate hearing loss : 41 - 55 dB HL ; Mild hearing loss : 26 - 40 dB HL. Present study is to evaluate hearing loss in persons aged above 65 years both of those attending the Hospital for loss of hearing and those screened in a sur vey. AIM: To evaluate the hearing thresholds in individuals aged above 65 years attending the Government General Hospital and among the people attending the hearing screening done in the city of Warangal. The study also includes the review of the literature on ARHL. MATERIALS AND METHODS: 185 individuals aged above 65 years are evaluated for hearing thresholds with the help of pure tone audiometry and speech audiometry. Among the 185 individuals 102 are patients attending the Department of ENT for the compla ints of loss of hearing. The remaining 83 individuals are from the survey conducted to screen for hearing loss in the city of Warangal for the population aged above 65 years. Demographic data about the 185 individuals is collected. Pure tone audiogram and speech audiometry is done in all the patients. CONCLUSIONS

  9. The Accuracy of IOS Device-based uHear as a Screening Tool for Hearing Loss: A Preliminary Study From the Middle East

    Directory of Open Access Journals (Sweden)

    Rashid Al-Abri

    2016-03-01

    Full Text Available Objectives: To determine and explore the potential use of uHear as a screening test for determining hearing disability by evaluating its accuracy in a clinical setting and a soundproof booth when compared to the gold standard conventional audiometry.   Methods: Seventy Sultan Qaboos University students above the age of 17 years who had normal hearing were recruited for the study. They underwent a hearing test using conventional audiometry in a soundproof room, a self-administered uHear evaluation in a side room resembling a clinic setting, and a self-administered uHear test in a soundproof booth. The mean pure tone average (PTA of thresholds at 500, 1000, 2000 and 4000 Hz for all the three test modalities was calculated, compared, and analyzed statistically.   Results: There were 36 male and 34 female students in the study. The PTA with conventional audiometry ranged from 1 to 21 dB across left and right ears. The PTA using uHear in the side room for the same participants was 25 dB in the right ear and 28 dB in the left ear (3–54 dB across all ears. The PTA for uHear in the soundproof booth was 18 dB and 17 dB (1–43 dB in the right and left ears, respectively. Twenty-three percent of participants were reported to have a mild hearing impairment (PTA > 25 dB using the soundproof uHear test, and this number was 64% for the same test in the side room. For the same group, only 3% of participants were reported to have a moderate hearing impairment (PTA > 40 dB using the uHear test in a soundproof booth, and 13% in the side room.   Conclusion: uHear in any setting lacks specificity in the range of normal hearing and is highly unreliable in giving the exact hearing threshold in clinical settings. However, there is a potential for the use of uHear if it is used to rule out moderate hearing loss, even in a clinical setting, as exemplified by our study. This method needs standardization through further research.

  10. Síndrome de woakes e suas manifestações audiológicas: relato de caso Woake's syndrome and its auditory manifestations: case report

    Directory of Open Access Journals (Sweden)

    Aline Hanazumi

    2010-06-01

    Full Text Available TEMA: manifestações audiológicas na síndrome de Woakes. PROCEDIMENTOS: A.A.R., uma paciente adulta com diagnóstico de Síndrome de Woakes foi submetida a anamnese, audiometria tonal, logoaudiometria, medidas de imitância acústica e reavaliação das próteses auditivas. Além disso, realizou-se um levantamento do prontuário da paciente. RESULTADOS: a análise dos resultados audiológicos em três oportunidades indicou: configuração audiométrica plana, sendo que nos dois primeiros registros foi verificada uma perda auditiva do tipo mista, e, em 2006, uma perda auditiva do tipo neurossensorial de grau moderadamente severo, com curva timpanométrica tipo B, ausência de reflexos acústicos bilateralmente e IPRF compatível com o tipo e grau da perda auditiva. Houve piora de aproximadamente 15 a 20dB nos limiares auditivos por via aérea, e, de 15 a 30 dB via óssea, entre 1996 e 2006. CONCLUSÃO: a avaliação audiológica revelou perda auditiva bilateral com alteração das medidas de imitância acústica, sendo que o estudo das manifestações clínicas da Síndrome de Woakes permitiu aceitar a coexistência entre a perda auditiva neurossensorial e curva timpanométrica tipo B.BACKGROUND: audiological manifestations in Woake`s Syndrome. PROCEDURE: a female adult patient diagnosed with Woake's Syndrome has undergone clinical history, pure tone audiometry, speech audiometry, acoustic immittance measures and revision of hearing aids. Her record files were also reviewed. RESULTS: three different pure tone audiometries were compared and indicated: flat audiometric configuration, with two evaluations indicating mixed hearing loss, and, in 2006, a moderate-to-severe sensorineural hearing loss with flat tympanograms, absence of acoustic reflexes bilaterally and good WRS. An increase of about 15 dB to 20dB of pure tone thresholds and 15 dB to 30 dB of bone thresholds was observed in 10 years of evolution. CONCLUSION: the study of the clinical

  11. Validation of the Swedish Hearing Handicap Inventory for the Elderly (Screening Version) and Evaluation of Its Effect in Hearing Aid Rehabilitation.

    Science.gov (United States)

    Öberg, Maria

    2016-03-23

    Self-reports of subjective hearing difficulties by people with hearing loss may be a useful complement to audiometry in hearing aid rehabilitation. To be useful, such self-reports need to be reliable. This study investigated the reliability and the validity of the Swedish Hearing Handicap Inventory for the Elderly (Screening Version; HHIE-S). Sixty-nine participants completed a questionnaire before hearing aid rehabilitation. Of these individuals, 49 completed hearing aid rehabilitation (aged between 23 and 94 years), and 41 of these 49 participants completed the questionnaire after completing the rehabilitation. The Swedish HHIE-S exhibited good internal consistency (Cronbach's alpha coefficient of .77). The questionnaire was effective for evaluating hearing aid rehabilitation, and a statistically significant reduction in hearing difficulties was observed. The clinicians found the questionnaire easy to administer and effective in hearing aid rehabilitation. The findings from the study support the use of the HHIE-S in clinical practice.

  12. [Management of sudden neurosensory hearing loss in a Primary Care Centre].

    Science.gov (United States)

    Muñoz-Proto, F; Carnevale, C; Bejarano-Panadés, N; Ferrán-de la Cierva, L; Mas-Mercant, S; Sarría-Echegaray, P

    2014-04-01

    Sudden hearing loss is a rapid loss of neurosensory hearing that may occur within hours or days in an apparently healthy patient. Its origins are variable and multifactorial. Most patients do not recover hearing if not treated, and some even develop cophosis (deafness) in the affected ear. It is an otological emergency, as early therapeutic management offers a better hearing prognosis. As there is limited knowledge on this condition, it may be underdiagnosed in Primary Health Care Centers. It should be suspected in patients with abrupt hearing loss or tinnitus. Sophisticated instruments are not required for its diagnosis, just a detailed history, basic otoscopy, and proper interpretation of the hearing test. In this way, an accurate diagnosis is achieved in most cases, which is confirmed by audiometry.

  13. Methadone Induced Sensorineural Hearing Loss

    Directory of Open Access Journals (Sweden)

    Chadi Saifan

    2013-01-01

    Full Text Available Background. Sudden sensorineural hearing loss (SSHL caused by opiate abuse or overuse has been well documented in the medical literature. Most documented case reports have involved either heroin or hydrocodone/acetaminophen. Recently, case reposts of methadone induced SSHL have been published. Case Report. We present the case of a 31-year-old man who developed SSHL after a methadone overdose induced stupor. He was subsequently restarted on methadone at his regular dose. On follow-up audiometry exams, he displayed persistent moderately severe sensorineural hearing loss bilaterally. Discussion. This case is notable because unlike all but one previously reported case, the patient—who was restated on methadone—did not make a complete recovery. Conclusion. Methadone overuse in rare cases causes SSHL.

  14. Acoustic reflex and general anaesthesia.

    Science.gov (United States)

    Farkas, Z

    1983-01-01

    Infant and small children are not always able to cooperate in impedance measurements. For this reason it was decided, -in special cases, -to perform acoustic reflex examination under general anaesthesia. The first report on stapedius reflex and general anaesthesia was published by Mink et al. in 1981. Under the effect of Tiobutabarbital, Propanidid and Diazepam there is no reflex response. Acoustic reflex can be elicited with Ketamin-hydrochlorid and Alphaxalone-alphadolone acetate narcosis. The reflex threshold remains unchanged and the amplitude of muscle contraction is somewhat increased. The method was used: 1. to assess the type and degree of hearing loss in children with cleft palate and/or lip prior to surgery. 2. to exclude neuromuscular disorders with indication of pharyngoplasties. 3. to quantify hearing level in children--mostly multiply handicapped--with retarded speech development. The results of Behavioral Observation and Impedance Audiometry are discussed and evaluated.

  15. Musical anhedonia: selective loss of emotional experience in listening to music.

    Science.gov (United States)

    Satoh, Masayuki; Nakase, Taizen; Nagata, Ken; Tomimoto, Hidekazu

    2011-10-01

    Recent case studies have suggested that emotion perception and emotional experience of music have independent cognitive processing. We report a patient who showed selective impairment of emotional experience only in listening to music, that is musical anhednia. A 71-year-old right-handed man developed an infarction in the right parietal lobe. He found himself unable to experience emotion in listening to music, even to which he had listened pleasantly before the illness. In neuropsychological assessments, his intellectual, memory, and constructional abilities were normal. Speech audiometry and recognition of environmental sounds were within normal limits. Neuromusicological assessments revealed no abnormality in the perception of elementary components of music, expression and emotion perception of music. Brain MRI identified the infarct lesion in the right inferior parietal lobule. These findings suggest that emotional experience of music could be selectively impaired without any disturbance of other musical, neuropsychological abilities. The right parietal lobe might participate in emotional experience in listening to music. PMID:21714738

  16. Efeitos auditivos decorrentes da exposição ocupacional ao ruído em trabalhadores de marmorarias no Distrito Federal Effects on hearing due to the occupational noise exposure of marble industry workers in the Federal District, Brazil

    Directory of Open Access Journals (Sweden)

    Marília Rabelo Holanda Camarano Harger

    2004-12-01

    Full Text Available OBJETIVO: Avaliar a prevalência de perdas auditivas, bem como sua classificação quanto ao grau e tipo, em trabalhadores do setor de produção de marmorarias no Distrito Federal. MÉTODOS: Trata-se de um estudo epidemiológico analítico transversal, avaliando os trabalhadores de oito marmorarias. Os trabalhadores foram submetidos à meatoscopia e audiometria de triagem (via aérea, sendo que aqueles com exames alterados fizeram uma audiometria tonal via aérea/óssea e logoaudiometria, em audiômetro modelo AD28, Interacoustics. RESULTADOS: Foram avaliados 152 trabalhadores com mediana e moda de 30 anos e média de tempo de exposição ocupacional ao ruído de 8,3 anos ± 6,8. Das audiometrias avaliadas, 48% apresentaram algum tipo de perda auditiva. Dentre os alterados, 50% apresentaram audiogramas compatíveis com perda auditiva induzida pelo ruído (PAIR e 41% com início de PAIR. Entre os trabalhadores com PAIR, 57,1% apresentaram alteração bilateral, 17,1% em orelha direita e 25,7% em orelha esquerda. Entre aqueles com início de PAIR, 13,9% foram bilaterais, 19,4% em orelha direita e 66,7% em orelha esquerda. CONCLUSÃO: A prevalência de dano auditivo foi de 48% da amostra avaliada, com maior grau de perda auditiva na freqüência de 6000 Hz, tendo sido esta a primeira a ser atingida, particularmente em orelha esquerda.OBJECTIVE: To evaluate the prevalence of hearing loss, its degree and type, among workers in the marble industry in the Brazilian Federal District (FD. METHOD: Workers from eight marble industries in the FD were evaluated by means of a cross sectional epidemiological study. An audiometry screening test (air conduction was performed. Workers with hearing loss were submitted to liminal tonal audiometry air & bone conduction and speech audiometry tests using an audiometer AD-28 (Interacoustics. All subjects studied were submitted to a visual inspection of the external acoustic meatus. RESULTS: One hundred and fifty two

  17. A case of high noise sensitivity

    Science.gov (United States)

    Murata, M.; Sakamoto, H.

    1995-10-01

    A case of noise sensitivity with a five-year follow-up period is reported. The patient was a 34-year-old single man who was diagnosed as having psychosomatic disorder triggered by two stressful life events in rapid succession with secondary hypersensitivity to noise. Hypersensitivity to light and cold also developed later in the clinical course. The auditory threshold was within the normal range. The discomfort threshold as a measure of the noise sensitivity secondary to mental illness was measured repeatedly using test tone of audiometry. The discomfort threshold varied depending upon his mental status, ranging from 40-50 dB in the comparatively poorer mental state to 70-95 dB in the relatively good mental state. The features of noise sensitivity, including that secondary to mental illness, are discussed.

  18. Factors associated with the occurrence of hearing loss after pneumococcal meningitis

    DEFF Research Database (Denmark)

    Worsøe, Lise Lotte; Caye-Thomasen, P.; Brandt, C.T.;

    2010-01-01

    Background. On the basis of a nationwide registration during a 5-year period (1999-2003), the frequency and severity of hearing loss was investigated retrospectively in 343 consecutive Danish patients who survived pneumococcal meningitis, to identify important risk factors (including the pneumoco......Background. On the basis of a nationwide registration during a 5-year period (1999-2003), the frequency and severity of hearing loss was investigated retrospectively in 343 consecutive Danish patients who survived pneumococcal meningitis, to identify important risk factors (including...... hearing loss, and another 16 (7%) had bilateral profound hearing loss. Significant risk factors for hearing loss were advanced age, the presence of comorbidity, severity of meningitis, a low CSF glucose level, a high CSF protein level, and a certain pneumococcal serotype (P ... is common after pneumococcal meningitis, and audiometry should be performed on all those who survive pneumococcal meningitis. Important risk factors for hearing loss are advanced age, female sex, severity of meningitis, and bacterial serotype...

  19. Myringotomy versus ventilation tubes in secretory otitis media: eardrum pathology, hearing, and eustachian tube function 25 years after treatment

    DEFF Research Database (Denmark)

    Caye-Thomasen, P.; Stangerup, S.E.; Jorgensen, G.;

    2008-01-01

    OBJECTIVE: This report documents the dynamics of eardrum pathology, hearing acuity, and eustachian tube function during 25 years after treatment of bilateral secretory otitis media. The included children were treated by myringotomy on the left ear and ventilation tube insertion on the right ear....... MATERIALS AND METHODS: Two hundred twenty-four children with bilateral secretory otitis media were treated by bilateral myringotomy and insertion of a ventilation tube on the right side only. The children were reexamined by otomicroscopy, tympanometry, and pure tone audiometry after 3, 7, and 25 years......, but also continuing progression of disease and/or treatment sequelae many years after treatment. However, these changes do not seem to affect the hearing acuity in the long term. The treatment modality has no impact on late eustachian tube function Udgivelsesdato: 2008/8...

  20. [Simulation of deafness in expertise affairs].

    Science.gov (United States)

    Jahnke, K; Solzbacher, D

    2005-07-01

    The simulation of deafness rarely occurs in the course of medical expertise. However, it is a problem that needs to be recognized and demonstrated by proving methods of investigation. For this purpose, a number of subjective and objective hearing tests exist which can provide evidence for the simulation of uni- or bilateral hearing loss. These methods include the measurement of oto-acoustic emissions, brainstem-evoked response audiometry and the determination of the stapedius reflex threshold as well as subjective methods such as Stenger- and Lee-test. Among the expertise carried out in our department during the past few years, we found 5 cases of simulation of deafness. In these cases -- as opposed to simulated traffic accidents -- there was no criminal prosecution regarding insurance fraud.

  1. Treatment for Progressive Hearing Loss Due to Paget's Disease of Bone - A Case Report and Literature Review.

    Science.gov (United States)

    Aoki, Mitsuhiro; Tanahashi, Shigeaki; Mizuta, Keisuke; Kato, Hiroki

    2015-12-01

    Paget's disease is a common bone remodeling disorder that typically begins with excessive bone resorption in the elderly. Bilateral progressive hearing loss is the most frequently encountered complication of Paget's disease. The types of hearing loss identified by audiometry are conductive, sensorineural, or both. However, the precise mechanism of hearing loss remains unclear, and the treatment has been controversial. We present a 73-year-old man who suffered from bilateral progressive hearing loss due to Paget's disease. Potent bisphosphonates, oral risedronate in daily adjusted dosages for 6 months, did not decrease or suppress the worsening of the hearing loss. The Nucleus CI24 Contour electrode array was successfully inserted on the left side without surgical and postoperative complications. The Japanese open set monosyllable word recognition test in a sound field at 65 dB had a result of 74%. This cochlear implantation can be an indication for cases of profound hearing loss due to Paget's disease. PMID:26915163

  2. Assessment of bone conduction prosthesis in situ.

    Science.gov (United States)

    Laitakari, K; Löppönen, H

    1995-01-01

    Conventional and bone anchored bone conduction hearing aids can be tested with skull simulating devices and the individual adjustment rely on time consuming psychoacoustic audiometry in free-field which can be quite demanding for the patient. A method is presented in which the hearing aid induced skull vibrations are collected with an acceleromotor and recorded on a digital audio tape. The recordings are analysed with Fast Fourier 'Transformation (FFT) by using a signal processor. The free-field test signal can be either narrow-band or white noise. Changes in frequency characteristics can be easily monitored with white noise as signal, harmonic distortion and dynamic response can be analysed reliably by using pure tones. The inter-individual comparisons can be made when calibration is based on skull vibrations at the individual bone-conduction hearing thresholds. Two case reports are presented and discussed. PMID:8927835

  3. A speech reception in noise test for preschool children (the Galker-test)

    DEFF Research Database (Denmark)

    Lauritsen, Maj-Britt Glenn; Kreiner, Svend; Söderström, Margareta;

    2015-01-01

    Purpose: This study evaluates initial validity and reliability of the “Galker test of speech reception in noise” developed for Danish preschool children suspected to have problems with hearing or understanding speech against strict psychometric standards and assesses acceptance by the children....... Methods:The Galker test is an audio-visual, computerised, word discrimination test in background noise, originally comprised of 50 word pairs. Three hundred and eighty eight children attending ordinary day care centres and aged 3–5 years were included. With multiple regression and the Rasch item response...... model it was examined whether the total score of the Galker test validly reflected item responses across subgroups defined by sex, age, bilingualism, tympanometry, audiometry and verbal comprehension. Results: A total of 370 children (95%) accepted testing and 339 (87%) completed all 50 items...

  4. Free-field correction values for Interacoustics DD 45 supra-aural audiometric earphones

    DEFF Research Database (Denmark)

    Poulsen, Torben

    2010-01-01

    for speech audiometry performed with headphones. Calibration values may be found in e.g. the ISO 389 series of standards. The free-field correction values were determined by means of loudness balance measurements of one-third octave noises (centre frequencies 125 Hz to 8000 Hz) presented alternately from......This paper report free-field correction values for the Interacoustics DD 45 audiometric earphones. The free-field correction values for earphones provide the loudness based equivalence to loudspeaker presentation. Correction values are especially used for the calibration of audiometric equipment...... a loudspeaker in a free field and from the earphones. The procedure was essentially in accordance with the free-field frequency response procedure described in IEC 60268-7: Headphones and earphones. The study sample consisted of four earphones and 14 test subjects. Free field correction values are reported...

  5. Early changes of auditory brain stem evoked response after radiotherapy for nasopharyngeal carcinoma - a prospective study

    Energy Technology Data Exchange (ETDEWEB)

    Lau, S.K.; Wei, W.I.; Sham, J.S.T.; Choy, D.T.K.; Hui, Y. (Queen Mary Hospital, Hong Kong (Hong Kong))

    1992-10-01

    A prospective study of the effect of radiotherapy for nasopharyngeal carcinoma on hearing was carried out on 49 patients who had pure tone, impedance audiometry and auditory brain stem evoked response (ABR) recordings before, immediately, three, six and 12 months after radiotherapy. Fourteen patients complained of intermittent tinnitus after radiotherapy. We found that 11 initially normal ears of nine patients developed a middle ear effusion, three to six months after radiotherapy. There was mixed sensorineural and conductive hearing impairment after radiotherapy. Persistent impairment of ABR was detected immediately after completion of radiotherapy. The waves I-III and I-V interpeak latency intervals were significantly prolonged one year after radiotherapy. The study shows that radiotherapy for nasopharyngeal carcinoma impairs hearing by acting on the middle ear, the cochlea and the brain stem auditory pathway. (Author).

  6. Factors associated with the occurrence of hearing loss after pneumococcal meningitis

    DEFF Research Database (Denmark)

    Worsøe, Lise Lotte; Caye-Thomasen, P.; Brandt, C.T.;

    2010-01-01

    Background. On the basis of a nationwide registration during a 5-year period (1999-2003), the frequency and severity of hearing loss was investigated retrospectively in 343 consecutive Danish patients who survived pneumococcal meningitis, to identify important risk factors (including the pneumoco...... is common after pneumococcal meningitis, and audiometry should be performed on all those who survive pneumococcal meningitis. Important risk factors for hearing loss are advanced age, female sex, severity of meningitis, and bacterial serotype......Background. On the basis of a nationwide registration during a 5-year period (1999-2003), the frequency and severity of hearing loss was investigated retrospectively in 343 consecutive Danish patients who survived pneumococcal meningitis, to identify important risk factors (including...... the pneumococcal serotype) for development of hearing loss. Methods. Results of blood and cerebrospinal fluid (CSF) biochemistry, bacterial serotyping, follow-up audiological examinations, and medical records were collected, and disease-related risk factors for hearing loss were identified. The mean pure...

  7. CONTRIBUTION OF THE AUDIOLOGICAL AND VESTIBULAR ASSESSMENT TO THE DIFFERENTIAL AND ETIOLOGICAL DIAGNOSIS OF PERIPHERIC VESTIBULAR SYNDROMES

    Directory of Open Access Journals (Sweden)

    Loreta Ungureanu

    2012-09-01

    Full Text Available Scope of the study: Vestibular pathology is a complex one, requiring a minute clinical evaluation, as well as numerous paraclinical investigations. The present study analyzes the contribution of the modern methods of vestibular and auditive investigation to the diagnosis of dizziness. Materials and method: The results of the investigations performed on 84 patients with peripheric vestibular syndrome, on whom a complete audiological and vestibular assessment had been also made, have been retrospectively analyzed. Results: Anamnestic data and the results of evaluation permitted classification of peripheric vestibular pathology according to topo-lesional and etiological criteria. The most frequently diagnosed diseases were: benign paroxysmal positional vertigo, Ménière syndrome and vestibular neuronitis. Conclusions: Testing of the vestibulo-ocular and vestibulo-spinal reflexes through videonystagmoscopy and, respectively, computerized dynamic posturography, besides tonal vocal audiometry and precocious auditive potentials, is especially important for a positive diagnosis and etiological differentiation of vestibular syndromes.

  8. Hearing loss in the Royal Norwegian Navy: A longitudinal study

    Science.gov (United States)

    Irgens-Hansen, Kaja; Baste, Valborg; Bråtveit, Magne; Lind, Ola; Koefoed, Vilhelm F.; Moen, Bente E

    2016-01-01

    The aims of this longitudinal study were to investigate a significant threshold shift (STS) among personnel working on board the Royal Norwegian Navy's (RNoN) vessels between 2012 and 2014 and to identify possible determinants of STS. Hearing thresholds were measured by pure tone audiometry in two consecutive examinations (n = 226). STS was defined as an average change in hearing thresholds ≥ + 10 dB at 2,000 Hz, 3,000 Hz, and 4,000 Hz in either ear. Determinants of STS were assessed through a questionnaire. The incidence of STS was 23.0%. Significant determinants of STS were the number of episodes of temporary threshold shifts (TTS) in the Navy, exposure to continuous loud noise during work on board, and the number of gun shots (in the Navy, hunting, and sports). This study indicated a significant association between noise exposure on board Navy vessels and development of STS. PMID:27157689

  9. Audiologic diagnostics of vestibular schwannoma

    Directory of Open Access Journals (Sweden)

    Komazec Zoran

    2004-01-01

    Full Text Available Introduction Vestibular schwannoma (acoustic neuroma is a rare, but important cause of sensorineural hearing loss. Patients with asymmetric hearing loss, or unilateral tinnitus should be evaluated expeditiously, to prevent further neurological damage. Audiologic diagnostics Audiologic diagnostics represents the basic diagnosis for early detection of vestibular schwannoma. Patients with vestibular schwannomas may present with a variety of clinical features, including retrocochlear pattern of sensorineural hearing loss. Supraliminary audiometry, tympano- metry, stapedius reflex and otoacoustic emissions as well as vestibular response to caloric testing are methods for selection of patients with suspicion of this tumor. Conclusion The golden standard for audiologic diagnostics of vestibular schwannoma is BAEP (Brainstem Auditory Evoked Potentials. Patients with pathological findings of BAEP should undergo MRI of the posterior fossa. Gadolinium-enhanced magnetic resonance imaging is the best and final tool for making a diagnosis of vestibular schwannoma.

  10. Hearing Assessment after Treatment of Nasopharyngeal Carcinoma with CRT and IMRT Techniques

    Directory of Open Access Journals (Sweden)

    Chung-Feng Hwang

    2015-01-01

    Full Text Available Objectives. This study analyzed the long-term hearing loss after treatment of primary nasopharyngeal carcinoma to elucidate its causal factors. Methods. Ninety-two nasopharyngeal carcinoma patients were treated with radiotherapy or chemoradiotherapy. Pure tone audiometry was performed before the therapy and annually up to 9 years after completing treatment. The hearing thresholds were corrected for age-related deterioration and compared to the results without adjusting for age. Results. The mean air and bone conduction threshold with and without correction for age-related deterioration differed significantly 2–9 years after completing radiotherapy p72 cGy resulted in more severe hearing loss than <72 cGy p<0.05. Conclusion. Hearing loss after completing therapy should be corrected for age-related hearing deterioration to reveal the true extent to which the loss is a therapeutic complication. Both the radiation modality used and the dose were significantly associated with hearing loss.

  11. Amplified music and young people's hearing. Review and report of Australian findings

    Energy Technology Data Exchange (ETDEWEB)

    Carter, N.L.; Waugh, R.L.; Keen, K.; Murray, N.; Bulteau, V.G.

    1982-08-07

    We gave 944 young people (aged 16 to 20 years) pure-tone audiometry, electroacoustic impedance tests, and ear, nose and throat examination. We questioned them about their histories of exposure to occupational and recreational noise. The data do not support the view that there is wide-spread hearing loss caused by exposure to amplified music in young people under the age of 21 years. However, the accumulated exposure of some of them to noise is such that, if their recreational patterns remain the same, they are at risk of some noise-induced hearing loss by their mid-twenties. Further empirical studies are necessary to determine whether these hearing losses will eventuate.

  12. Audiological outcomes in cases with mucopolysaccharidoses (Morquio′s disease

    Directory of Open Access Journals (Sweden)

    Prawin Kumar

    2014-01-01

    Full Text Available Background: The mucopolysaccharidoses (MPS is an autosomal recessive disorder, caused due to malfunctioning of certain lysosomal enzymes involved in degradation of glycosaminoglycans. This report presents audiological evaluation findings found in two siblings with Morquio syndrome (MPS type IV. Materials and Methods: The present study evaluated two individuals (case A: 18-year-old male and case B: 15-year-old female with a routine audiological evaluation including pure tone audiometry, speech audiometry, and immittance evaluation. Results: Case ′A′ and ′B′ were assessed for three consecutive audiological evaluations over time in a span of 2 years. For case A, all three evaluations revealed same degree of hearing loss in both ears. However, for case B, results reveal that there was increase in degree of hearing loss in both ears. Further, immittance results in both case A and B revealed middle ear pathology in both ears in all the three evaluations. Hence, it can be concluded that there was no progression in severity of hearing loss in case A; however, same was observed in case ′B′. In addition to that, at present both case A and B are using moderate gain digital behind the ear hearing aid in both the ears which is enabling them to communicate better. Conclusion: To conclude on these case reports of the siblings, otologist and audiologist need to be aware of this relevant information and take immediate steps to provide services to patients. Regular follow-up of the clients is an important aspect as it is highlighted in present study.

  13. The efficacy and safety of systemic injection of Ginkgo biloba extract, EGb761, in idiopathic sudden sensorineural hearing loss: a randomized placebo-controlled clinical trial.

    Science.gov (United States)

    Koo, Ja-Won; Chang, Mun Young; Yun, Sung-Cheol; Kim, Tae Su; Kong, Soo-Keun; Chung, Jong Woo; Goh, Eui-Kyung

    2016-09-01

    Steroids are currently the most frequently accepted agents for idiopathic sudden sensorineural hearing loss (ISSNHL). However, the therapeutic effect of steroids is not always satisfactory. In this pilot study, we evaluated whether systemic treatment with Ginkgo biloba extract (EGb761) has an additive therapeutic effect in patients receiving a systemic steroid due to ISSNHL. A multicenter, randomized, double-blind clinical trial was performed. Fifty-six patients with ISSNHL were allocated to either EGb761 or placebo. In both groups, methylprednisolone was administered for 14 days. EGb761 was infused intravenously for 5 days in the EGb761 group, while the same amount of normal saline was infused in the placebo group. For the efficacy evaluation, pure-tone audiometry, speech audiometry, tinnitus handicap inventory (THI) and short form-36 health (SF-36) survey outcomes were obtained before administration and on days 3, 5, 14 and 28 of administration. Twenty-four patients in each group completed the study protocol. There was no difference in hearing loss between the two groups before treatment. At day 28, air conduction threshold values in the placebo and EGb761 groups were 34.63 ± 28.90 and 23.84 ± 25.42 dB, respectively (p = 0.082). Speech discrimination scores in the placebo and EGb761 groups were 69.17 ± 40.89 and 87.48 ± 28.65 %, respectively (p = 0.050). THI and SF-36 scores in the placebo and EGb761 groups were similar. Although a combination of steroid and EGb761 for initial treatment did not show better pure tone threshold, compared with steroid alone, speech discrimination was significantly improved in combination therapy. Further studies will be needed to know if addition of EGb761 actually improves the outcome of ISSNHL treatment. PMID:26559533

  14. Increased signal intensity of the cochlea on pre- and post-contrast enhanced 3D-FLAIR in patients with vestibular schwannoma

    Energy Technology Data Exchange (ETDEWEB)

    Yamazaki, Masahiro; Naganawa, Shinji; Kawai, Hisashi; Nihashi, Takashi [Nagoya University, Department of Radiology, Graduate School of Medicine, Nagoya (Japan); Fukatsu, Hiroshi [Aichi Medical University Hospital, Department of Medical Informatics, Nagakute (Japan); Nakashima, Tsutomu [Nagoya University, Department of Otorhinolaryngology, Graduate School of Medicine, Nagoya (Japan)

    2009-12-15

    In the vestibular schwannoma patients, the pathophysiologic mechanism of inner ear involvement is still unclear. We investigated the status of the cochleae in patients with vestibular schwannoma by evaluating the signal intensity of cochlear fluid on pre- and post-contrast enhanced thin section three-dimensional fluid-attenuated inversion recovery (3D-FLAIR). Twenty-eight patients were retrospectively analyzed. Post-contrast images were obtained in 18 patients, and 20 patients had the records of their pure-tone audiometry. Regions of interest of both cochleae (C) and of the medulla oblongata (M) were determined on 3D-FLAIR images by referring to 3D heavily T2-weighted images on a workstation. The signal intensity ratio between C and M on the 3D-FLAIR images (CM ratio) was then evaluated. In addition, correlation between the CM ratio and the hearing level was also evaluated. The CM ratio of the affected side was significantly higher than that of the unaffected side (p < 0.001). In the affected side, post-contrast signal elevation was observed (p < 0.005). In 13 patients (26 cochleae) who underwent both gadolinium injection and the pure-tone audiometry, the post-contrast CM ratio correlated with hearing level (p < 0.05). The results of the present study suggest that alteration of cochlear fluid composition and increased permeability of the blood-labyrinthine barrier exist in the affected side in patients with vestibular schwannoma. Furthermore, although weak, positive correlation between post-contrast cochlear signal intensity on 3D-FLAIR and hearing level warrants further study to clarify the relationship between 3D-FLAIR findings and prognosis of hearing preservation surgery. (orig.)

  15. Sensorineural hearing loss in insulin-dependent diabetic patients

    Directory of Open Access Journals (Sweden)

    Koosha A.

    2007-11-01

    Full Text Available Background: Among patients who have sensorineural hearing loss of unknown etiology, diabetes is one of the diseases to be routinely investigated. The relationship between diabetes mellitus and hearing loss is still controversial. The purpose of this study was to examine the prevalence of sensorineural hearing loss in patients with insulin-dependent diabetes mellitus (IDDM compared to control group.Methods: In a cross-sectional study pure tone audiometry (PTA and speech audiometry was performed in 62 patients with insulin-dependent diabetes mellitus (IDDM, aged under 40 years, and in 62 randomly selected age-matched non-diabetic control subjects. Subjects with otological and other metabolic diseases were excluded from the study. We applied the SPSS.10 statistical analysis software Chi-square and student's test. Results: Statistical analysis showed that the hearing of the diabetic patients were significantly worsen than the control subjects. The hearing level tended to be worsen in the diabetic patients than that in control subjects, but the differences were statistically significant only at frequencies of 250,500, 4000 and 8000 Hz p>0.05(. There wasn't statistical significant difference between sex in two study groups p>0.05(. The mean duration of diabetes was no statistically significant with hearing loss p>0.05(. The frequency of complications such as retinopathy, nephropathy, and neuropathy in the diabetic groups had no correlation with speech threshold (p>0.05(.‏ There were no significant differences between speech reception threshold, speech discrimination score and acoustic reflex in two groups.Conclusions: We conclude that type I diabetes mellitus can cause sensorineural hearing loss.

  16. Temporal bone trauma: correlative study between CT findings and clinical manifestations

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Jung Hee; Kim, Hyung Jin; Kim, Jae Hyoung [College of Medicine, Gyeongsang National University, Jinju (Korea, Republic of)

    1994-11-15

    To assess how accurately computed tomography (CT) can demonstrate the abnormal findings which are believed to cause the clinical signs and symptoms of hearing loss (HL), vertigo and facial paralysis (FP) in patients with temporal bone trauma. The authors studied CT scans of 39 ears in 35 patients with temporal bone trauma. CT scans were performed with 1-1.5 mm slice thickness and table incrementation. Both axial and coronal scans were obtained in 32 patients and in three patients only axial scans were obtained. We analyzed CT with special reference to the structural abnormalities of the external auditory canal, middle ear cavity, bony labyrinth, and facial nerve canal, and correlated these findings with the actual clinical signs and symptoms. As to hearing loss, we evaluated 32 ears in which pure tone audiometry or brainstem evoked response audiometry had been performed. With respect to the specific types of HL, CT accurately showed the abnormalities in 84% (16/19) in conductive HL, 100% (2/2) in sensorineural HL, and 25% (2/8) for mixed HL. When we categorized HL simply as conductive and sensorineural, assuming that mixed be the result of combined conductive and sensorineural HL, CT demonstrated the abnormalities in 89% (24/27) for conductive HL and 50% (5/10) for sensorineural HL. Concerning vertigo and FP, CT demonstrated abnormalities in 67%(4/6), and 29% (4/14), respectively. Except for conductive HL, CT seems to have a variable degree of limitation for the demonstration of the structural abnormalities resulting sensorineural HL, vertigo or facial paralysis. It is imperative to correlate the CT findings with the signs and symptoms in those clinical settings.

  17. AUDIOLOGICAL EVALUATION IN AUTO - IMMUNE SKIN DISEASES : A CLINICAL STUDY OF 124 PATIENTS

    Directory of Open Access Journals (Sweden)

    Sesha Prasad

    2015-04-01

    Full Text Available INTRODUCTION : 124 patients with common dermatological conditions with an auto - immune etiology are evaluated for hearing , irrespective of complaints of hearing loss . Auto - immunity is described as an etiology of Sudden or Progressive Sensory neural Hearing Loss ; similarly auto - immunity is described as an etiology for many skin diseases like Psoriasis , De rmatomyositis etc ., and the present study evaluates hearing thresholds in patients with auto - immune skin disorders . Auto - immunity is the etiology for both these conditions , causes many changes in the micro vasculature of the various organs and produces imm une complexes in the body . Hence evaluation of other organs in the presence of clinically evident autoimmune disease in one organ will guide the clinician for early diagnosis of auto immunity . So the patients with alopecia areata , Dermatomyositis , Psoriasis , Systemic sclerosis , Systemic Lupus Erythematoses , Vitiligo , Epidermolysis Bullosa and scleroderma are included in the present study for hearing evaluation . MATERIALS AND METHODS : 124 Patients attending the department of Dermatology and diagnosed with the following diseases are included in the present study ; 1 . Alopecia areata 2 . Dermatomyositis 3 . Psoriasis 4 . Systemic sclerosis 5 . Systemic Lupus Erythematoses 6 . Vitiligo 7 . Epidermolysis Bullosa . This is a prospective study conducted at GGH , Kur nool , and Andhra Pradesh . The diagnosis of the clinical entities included in this study is done according to clinical and Histopathological findings . The patients are referred from the Department of Dermatology for evaluation . After thorough history taking , the Patients are subjected for ENT examination . Pure Tone Audiometry at 250 , 500 , 1 , 000 , 2 , 000 , 4 , 000 , 6 , 000 and 8 , 000 Hz is done followed by Impedance audiometry ; including tympanometry and acoustic reflexes are done . CONCLUSION : Audiological evaluation in autoimmune skin diseases

  18. UTILITY OF VIBRANT SOUNDBRIDGE IN PATIENTS WITH CONGENITAL MIDDLE AND OUTER EAR DEFORMITIES

    Institute of Scientific and Technical Information of China (English)

    ZOU; Yihui; LI; Jianan; CHEN; Aiting; DAI; Bu; HAN; Dongyi; LIU; Huizhan; YANG; Shiming

    2012-01-01

    Objective To report use of the Vibrant Soundbridge (VSB) in patients with congenital deformation of the middle and outer ears and investigate its utility in this patient population.Method Four patients with congenital deformation of middle and outer ears underwent VSB implantation. All were male (aged 3-18 years,average 13.5 years) and operated on the left side.Malformation was bilateral in 3 patients and unilateral in 1 patient. Surgical techniques were modified to accommodate each patient’s unique conditions and needs.The implant site was approached via the facial recess in 3 patients and through a retro-facial nerve route in 1 patient. The VSB implant was connected to either the stapes (2 cases) or the round window (2 cases).Pure tone and speech audiometry results and daily communication capabilities before and after VSB activation were compared.Results The operations were successful in all patients, with no complications. The patient communication level improved significantly after VSB activation. Average air conduction pure tone threshold or conditioned reflex audiometry threshold improved by 35 dB in the 0.25-4 kHz range,from 69 dB HL before VSB activation to 34 dB HL after.The sentence recognition rate in quiet at 65 dB SPL went up to 86% from 0% without VSB for patients with bilateral deformation and remained at 100% for the patient with unilateral deformity. However, for the latter patient, the rate improved to 20% from 0% without VSB in noise (-8 dB SNR).Conclusion VSB is an excellent solution for improving hearing in patients with congenital deformation of middle and outer ears.Operation can be completed and good results can be achieved even in patients with unique conditions and needs.

  19. Evaluation of adult aphasics with the Pediatric Speech Intelligibility test.

    Science.gov (United States)

    Jerger, S; Oliver, T A; Martin, R C

    1990-04-01

    Results of conventional adult speech audiometry may be compromised by the presence of speech/language disorders, such as aphasia. The purpose of this project was to determine the efficacy of the speech intelligibility materials and techniques developed for young children in evaluating central auditory function in aphasic adults. Eight adult aphasics were evaluated with the Pediatric Speech Intelligibility (PSI) test, a picture-pointing approach that was carefully developed to be relatively insensitive to linguistic-cognitive skills and relatively sensitive to auditory-perceptual function. Results on message-to-competition ratio (MCR) functions or performance-intensity (PI) functions were abnormal in all subjects. Most subjects served as their own controls, showing normal performance on one ear coupled with abnormal performance on the other ear. The patterns of abnormalities were consistent with the patterns seen (1) on conventional speech audiometry in brain-lesioned adults without aphasia and (2) on the PSI test in brain-lesioned children without aphasia. An exception to this general observation was an atypical pattern of abnormality on PI-function testing in the subgroup of nonfluent aphasics. The nonfluent subjects showed substantially poorer word-max scores than sentence-max scores, a pattern seen previously in only one other patient group, namely young children with recurrent otitis media. The unusually depressed word-max abnormality was not meaningfully related to clinical diagnostic data regarding the degree of hearing loss and the location and severity of the lesions or to experimental data regarding the integrity of phonologic processing abilities. The observations of ear-specific and condition-specific abnormalities suggest that the linguistically- and cognitively-simplified PSI test may be useful in the evaluation of auditory-specific deficits in the aphasic adult. PMID:2132591

  20. Clinical and Audio Vestibular Profile of Meniere's Disease in a Tertiary Care Centre in India.

    Science.gov (United States)

    Selvakumar, Paul; Balraj, Achamma; Kurien, Regi; Krishnan, Thenmozhi

    2012-12-01

    The aims of this study are to determine the frequency of patients presenting with Meniere's Disease(MD) in an Indian setting, using the American Academy of Otolaryngology-Head and Neck Surgery (AAO) diagnostic criteria, and to describe the clinical and audio vestibular profiles of these patients. The study was based on prospective case series design in the settings of a tertiary referral hospital. The study included all consecutive patients aged between 5 and 75 years presenting with the history of hearing loss, vertigo, tinnitus and or aural fullness as participants, satisfying inclusion and exclusion criteria for MD (AAO 1995) recruited over a 12 month period. Main outcome measures comprised the evaluation of epidemiological profile, clinical features, and results of audio vestibular investigations like Pure Tone Audiometry with and without glycerol, Impedance Audiometry, Electrocochleography (ECohG), Distortion Product Otoacoustic Emission and Electronystagmography (ENG). The results of the study are as follows: The frequency of MD was 15.6%, being commoner in males than females (2.6:1) and occurring more in the age group 40-49  years among males and 30-39 years among females. High frequency tinnitus was commoner than low frequency tinnitus. Extra tympanic ECohG had a positive predictive value of 76% for endolymphatic hydrops. ENG was useful for demonstrating canal paresis pattern of nystagmus in 61%. Indian patients with MD commonly present to tertiary care at the functional level scale of 3. The results of this study revealed that the frequency of MD is not as low in the Indian ENT setting as earlier believed. There is a high chance of missing cases in the routine ENT outpatient clinic setting unless a structured proforma incorporating the AAO 1995 diagnostic criteria is used. PMID:24294577

  1. The efficacy and safety of systemic injection of Ginkgo biloba extract, EGb761, in idiopathic sudden sensorineural hearing loss: a randomized placebo-controlled clinical trial.

    Science.gov (United States)

    Koo, Ja-Won; Chang, Mun Young; Yun, Sung-Cheol; Kim, Tae Su; Kong, Soo-Keun; Chung, Jong Woo; Goh, Eui-Kyung

    2016-09-01

    Steroids are currently the most frequently accepted agents for idiopathic sudden sensorineural hearing loss (ISSNHL). However, the therapeutic effect of steroids is not always satisfactory. In this pilot study, we evaluated whether systemic treatment with Ginkgo biloba extract (EGb761) has an additive therapeutic effect in patients receiving a systemic steroid due to ISSNHL. A multicenter, randomized, double-blind clinical trial was performed. Fifty-six patients with ISSNHL were allocated to either EGb761 or placebo. In both groups, methylprednisolone was administered for 14 days. EGb761 was infused intravenously for 5 days in the EGb761 group, while the same amount of normal saline was infused in the placebo group. For the efficacy evaluation, pure-tone audiometry, speech audiometry, tinnitus handicap inventory (THI) and short form-36 health (SF-36) survey outcomes were obtained before administration and on days 3, 5, 14 and 28 of administration. Twenty-four patients in each group completed the study protocol. There was no difference in hearing loss between the two groups before treatment. At day 28, air conduction threshold values in the placebo and EGb761 groups were 34.63 ± 28.90 and 23.84 ± 25.42 dB, respectively (p = 0.082). Speech discrimination scores in the placebo and EGb761 groups were 69.17 ± 40.89 and 87.48 ± 28.65 %, respectively (p = 0.050). THI and SF-36 scores in the placebo and EGb761 groups were similar. Although a combination of steroid and EGb761 for initial treatment did not show better pure tone threshold, compared with steroid alone, speech discrimination was significantly improved in combination therapy. Further studies will be needed to know if addition of EGb761 actually improves the outcome of ISSNHL treatment.

  2. Assessment of middle ear function in patients with cleft palate treated under "Smile Train Project"

    Directory of Open Access Journals (Sweden)

    Prachi Gautam

    2011-01-01

    Full Text Available Objective: To evaluate the middle ear function in patients of cleft palate treated under "Smile Train Project". Materials and Methods: Sixty patients (120 ears; 32 male and 28 female of cleft palate with or without cleft lip were evaluated in pediatrics and ENT OPD in preoperative period. A general medical check up was performed in pediatrics OPD to evaluate the associated craniofacial anomalies. Middle ear function was evaluated in ENT OPD. Otoscopy was done in all patients. Cases under five years of age were evaluated for middle ear function by tympanometry and cases with more than five years of age were evaluated by tympanometry for middle ear function and pure tone audiometry to establish the type of hearing loss. The results are presented as number of ears. Results: A total of 50% of the patients in the study group were in zero- to two-year age group. Otoscopy findings in 120 ears showed that 66.66% of the patients had dull tympanic membrane suggesting a diagnosis of otitis media with effusion. Tympanometry was done in 110 ears, of which, 72.72% of ears had type B tympanogram suggesting otitis media with effusion. Pure tone audiometry in more than five years age group showed that 81.25% ears had conductive hearing loss. Conclusion: This study suggests the need of preoperative ENT check up and audiological assessment in patients of cleft palate undergoing palatal surgery under "Smile Train Project". The association of otitis media with effusion in patients with cleft palate appears strong and a high degree of suspicion for the disease should be kept in them. The anatomical defect and possible causative pathophysiology also supports the inference. Otitis media with effusion causing hearing loss in these patients causes speech delay and unfavorable outcome despite aggressive speech therapy in postoperative period. A co-ordinate team approach of concerned specialists involved in managing these patients would definitely improve their outcome.

  3. Risk Factors for Hearing Loss in Patients Treated With Intensity-Modulated Radiotherapy for Head-and-Neck Tumors

    International Nuclear Information System (INIS)

    Purpose: Radiotherapy (RT) is a common treatment of head-and-neck carcinoma. The objective of this study was to perform a prospective multivariate assessment of the dose-effect relationship between intensity-modulated RT and hearing loss. Methods and Materials: Pure tone audiometry at 0.250-16 kHz was obtained before and after treatment in 101 patients (202 ears). All patients received full-course intensity-modulated RT (range, 56-70 Gy), with a median cochlear dose of 11.4 Gy (range, 0.2-69.7). Results: Audiometry was performed 1 week before and a median of 9 weeks (range, 1-112) after treatment. The mean hearing deterioration at pure tone average air-conduction 1-2-4 kHz was small (from 28.6 dB HL to 30.1 dB HL). However, individual patients showed clinically significant hearing loss, with 10-dB threshold shift incidences of 13% and 18% at pure tone averages air-conduction 1-2-4 kHz and 8-10-12.5 kHz, respectively. Post-treatment hearing capability was unfavorable in the case of greater inner ear radiation doses (p <0.0001), unfavorable baseline hearing capability (p <0.0001), green-eyed patients (p <0.0001), and older age (p <0.0001). Using multivariate analysis, a prediction of individual hearing capabiltity after treatment was made. Conclusion: RT-induced hearing loss in the mean population is modest. However, clinically significant hearing loss was observed in older patients with green eyes and unfavorable pretreatment hearing. In these patients, the intended radiation dose may be adjusted according to the proposed predictive model, aiming to decrease the risk of ototoxicity.

  4. Uma análise do perfil audiológico de estudantes de música An audiological analysis of music students in Brazil

    Directory of Open Access Journals (Sweden)

    Karina Aki Otubo

    2013-06-01

    Full Text Available Tocar um instrumento musical requer a integração das habilidades perceptiva, motora, e cognitiva, desenvolvidas modularmente, de forma gradativa e hierarquicamente coordenada. Na realização de uma obra musical, a audição atua de forma marcante na sua complexa associação com o cérebro, capaz de produzir mudanças comportamentais e emocionais nos humanos. O presente estudo analisa o perfil audiológico de estudantes de graduação em Música, que foram submetidos à Avaliação Audiológica (Entrevista, Audiometria Tonal Liminar, Logoaudiometria, e Imitanciometria, além dos exames complementares de Audiometria Tonal de Altas Frequências (AT-AF e Emissões Otoacústicas Evocadas por Estímulo Transiente (EOAT. Os resultados indicaram que os estudantes apresentam audição dentro da normalidade. Entretanto, ações educativas e preventivas são essenciais para promover a conscientização sobre alterações auditivas nesse grupo de risco.Playing a musical instrument demands integration of perceptive, motor and cognitive skills, modularly and gradually developed and in a hierarchically coordinated fashion. In music performance, the complex association between hearing and the brain is central, one capable of producing behavioral and emotional changes in human beings. The present study analyzes audiological profiles of music students, who were submitted to Audiological Assessment (Interview, Threshold Tonal Audiometry, Logoaudiometry and Imitanciometry, besides the complementary examinations of High Frequencies Tonal Audiometry and Transient Evoked Otoacustic Emissions. The results indicated normal hearing for the students. Nevertheless, preventive and educative actions are essential to promote awareness of auditory alterations within this risk group.

  5. Prevalence of sensorineural deafness in habitual mobile phone users

    Directory of Open Access Journals (Sweden)

    G C Sahoo

    2011-01-01

    Full Text Available Introduction : Mobile phone usage is widespread and concerns have been raised on the safety of its long-term usage. The electromagnetic fields emitted from mobile can penetrate skull and deposit energy 4-6 cm into the brain resulting in heating of the tissue. In this study, we explore a possible relationship between prolonged mobile phone usage and sensorineural deafness. Materials and Methods: The study was conducted in a medical college situated in rural India. A total of 100 persons between the age group of 20-45years using mobile phone for at least 5 years are selected and screened for sensorineural deafness. Use of cellular phones was assessed by a questionnaire. Mean number of daily calls and minutes were asked for to calculate the cumulative use in hours for all years. The most frequently used ear during cellular phone calls was noted, or whether both ears were used equally. Otoscopic examinations were performed by an otolaryngologist before testing in order to rule out any external or middle ear pathology that could affect audiometric measurements. The hearing levels of subjects were tested using pure tone audiometry. Results : One hundred subjects who are habitual mobile phone users were screened by pure tone audiometry. It is found that the prevalence of sensorineural deafness was 3% and there is a linear relationship between the duration of mobile phone use and the degree of the severity of deafness. Conclusion : The prevalence of sensorineural deafness in our study in habitual mobile users is 3%. It is not clearly known whether mobile phone use is the direct cause of deafness in these subjects but the absence of other causes might point towards its etiological role.

  6. Triagem auditiva: concordância entre os métodos comportamental e objetivo Hearing screening: agreement among behavioral and objective methods

    Directory of Open Access Journals (Sweden)

    Bruna Machado Correa

    2012-02-01

    comprometimento auditivo.PURPOSE: to check the agreement among the obtained results in hearing screening through the observation of behavioral responses and the transient evoked otoacoustic emissions. METHOD: a double-blind study was carried out with 139 infants attended in Neonatal Hearing Screening service of Santa Maria University Hospital. Different examiners evaluated the presence of eye blink reflex and transient evoked otoacoustic emissions. RESULTS: among the 139 evaluated infants, 123 showed eye blink reflex and otoacoustic emissions; 10 showed only otoacoustic emissions; and 3 failed in both tests. Sixteen infants should be re-evaluated. Nine did not come back to repeat the tests. Seven children were re-evaluated, two passed in both tests; five maintained the failed status and they were referred to evaluation on Auditory Response Audiometry. Two children showed otoacoustic emissions, but did not have eye blink reflex. In the evaluation of Auditory Response Audiometry, one manifested normal hearing and the other showed acute hearing loss. One child who did not evidence otoacoustic emissions, but manifested eye blink reflex, had compatible Auditory Response Audiometry with moderate hearing loss in both ears. The infant who failed in both test showed severe bilateral hearing loss in the evaluation of Auditory Response Audiometry. CONCLUSION: even though the otoacoustic emissions are present, the absence of eye blink reflex should be considered a reason to evaluate the Auditory Response Audiometry, and this can be sign of auditory neuropathy. Considering that the analysis of otoacoustic emissions and the evaluation of eye blink reflex are complement procedures. The apparent disagreement among some results can show different types of hearing disorder.

  7. The Different Audiological Methods to Assess the Results of the Glycerol Test%不同听力检测方法甘油试验的结果比较

    Institute of Scientific and Technical Information of China (English)

    刘金萍; 周慧芳; 张静

    2012-01-01

    目的 比较纯音测听甘油试验、耳蜗电图甘油试验、畸变产物耳声发射(DPOAE)甘油试验对梅尼埃病的诊断价值.方法 选择63例梅尼埃病和63例非梅尼埃病眩晕患者,分为A、B、C三组,每组包括21例梅尼埃病患者和21例非梅尼埃病眩晕患者,在服用甘油前和服用甘油后1、2、3 h分别观察三组患者纯音测听(A组)、耳蜗电图(B组)和DPOAE(C组)的变化,比较三组间甘油试验阳性率.结果 A组梅尼埃病患者纯音测听甘油试验阳性率最高为38.10%(18/21),B组耳蜗电图甘油试验阳性率最高为52.38%(11/21),C组DPOAE甘油试验阳性率最高为57.14%(12/21).结论 耳蜗电图和DPOAE的甘油试验较纯音测听的甘油试验更为准确,能在一定程度上提高对梅尼埃病的诊断率.%Objective To investigate the diagnostic application of pure tone audiometry test,EcochG glycerine test and distortion product otoacoustic emission(DPOAE) glycerine test in patients with Meniere's disease(MD). Methods A total of 126 patients were included in this study. 63 patients had MD and the remaining 63 patients with vertigo diseases. The patients were divided into 3 groups (group A,B,C). Each patient underwent glycerol test,and patients in group A,B,C were tested with conventional pure tone audiomety,ECochG and DPOAE, respectively, be fore and 1,2,3 hours after oral administration of glycerol. Results The positive rates of glycerol test in MD were significantly higher than that in other vertigo diseases. The positive incidence of pure tone audiometry glycerol test, ECochG glycerol test and DPOAE glycerol test in MD patients were 38.1%, 52. 4% and57.1%, respectively. All were dected within 2 hours after glycerol test. Conclusion The study shows that the glycerol test has diagnostic value for MD. Futhermore, ECochG glycerol test and DPOAE glycerol test are more accurate for the diagnosis of MD compared with pure tone audiometry glycerol test. We can add ECochG or

  8. Pérdidas auditivas relacionadas con la exposición a ruido en trabajadores de la construcción Hearing loss related with noise exposure in construction workers

    Directory of Open Access Journals (Sweden)

    Pilar Gómez Mur

    2008-12-01

    Full Text Available Introducción: A pesar del ruido existente en las obras de la construcción no está extendido el uso de protectores auditivos en este sector. Objetivo: Estudiar las pérdidas auditivas inducidas por ruido (PAIR en las audiometrías de estos trabajadores. Material y métodos: Se realiza un estudio descriptivo de las audiometrías de tonos puros realizadas a 223 trabajadores del sector y se comparan con las de 262 administrativos. Para clasificar las PAIR se ha utilizado el método desarrollado por Klockhoff (K y modificado por la clínica del Lavoro de Milan. Se analiza también la presencia de escotomas en las frecuencias 3000, 4000 ó 6000 Hz. Resultados: La prevalencia de PAIR y escotomas bilaterales ha sido significativamente superior en el grupo de la construcción (K: OR =3,1. IC95%:1,801-5,435. Escotoma audiométrico bilateral: OR=3,8. IC95%:2.244- 6.606. Aunque el escotoma en 6000 Hz ha sido el más frecuente, la diferencia entre los dos grupos únicamente ha sido significativa en el de 4000 Hz. Discusión: Entre un 20,7 (K y un 24,3% (escotomas de los trabajadores de la construcción presentan PAIR bilaterales (8,4 y 8,8% en administrativos. Es necesario incidir en las medidas preventivas, fundamentalmente en el uso de protectores auditivos adecuados. Se recomienda profundizar en la etiología de los diferentes escotomas en futuros estudios.Introduction: Despite the noise produced in constructions works, the utilization of hearing protection devices is not common in this sector. Aim: To study the noise induced hearing loss (NIHL present on the audiometries of the construction workers. Methodology: A descriptive study is made on the pure tone audiometries done to 223 construction workers, comparing them with those coming from 262 administrative ones. For audiometries classification purposes, the method developed by Klockhoff (K and modified by Clinica del Lavoro in Milan, is used. Presence of a notch in 3.000, 4.000 or 6.000 Hz

  9. Audiometria de tronco encefálico (abr: o uso do mascaramento na avaliação de indivíduos portadores de perda auditiva unilateral Auditory brainstem response (abr: use of masking in unilateral hearing loss patients

    Directory of Open Access Journals (Sweden)

    Melissa M. T. Toma

    2003-06-01

    prospective. MATERIA AND METHOD: The sample was constituded of 22 persons with unilateral hearing loss, being 10 female and 12 male, ranging from 9 to 44 years old. All persons were submited to the following audiological exams: pure - tone and speech audiometry, accoustic impendance tests and audiometry brainstem response in absence and presence of masking. RESULTS: In general, all persons had profound sensorineural unilateral hearing loss and bilateral type - A tympanometric curves. In ABR evaluation, it was possible to observe in 100% of the sample the presence of wave V in poor ear. As soon as the masking was introduced, these waves has not been viewed. CONCLUSION: As might be expected that masking must be used with ABR evaluation on unilateral hearing loss to obtain authentical results. In ABR, interaural attenuation to clicks (65 dB was greater the examined in pure-tone audiometry. Thence it follows that less intensity of masking was needed to eliminate the contralateral response.

  10. Tontura em idosos: diagnóstico otoneurológico e interferência na qualidade de vida Dizziness in elderly individuals: otoneurologic diagnosis and interference on the quality of life

    Directory of Open Access Journals (Sweden)

    Sabrina Scherer

    2012-06-01

    quality of life. METHODS: Cross-sectional study, conducted with 56 elderly individuals with dizziness. Subjects' mean age was 71.2 years, and they were submitted to otoneurologic assessment, which involved: pure-tone, speech and impedance audiometry, balance assessment, testing for positional and positioning vertigo and nystagmus, and vectoelectronystagmography. A specific questionnaire for dizziness was used to assess the quality of life, the Dizziness Handicap Inventory (DHI, which verifies the handicap effects provoked by this symptom. RESULTS: Rotatory dizziness was reported by 29 patients (51.8%, 75% presented some hearing complaint, and 69.6% had altered results in audiometry. Patients with vestibular complaints of positional dizziness presented significant difference for the physical aspect of the DHI. Patients with vestibular complaints of imbalance showed significant difference for the functional and emotional aspects. The computerized vectoelectronystagmography was altered in 47 patients (83.9%, indicating peripheral vestibular disorder in all cases. In the post-caloric assessment, hyperreflexia was the most prevalent alteration, and the most frequent diagnosis was Deficient Peripheral Vestibular Syndrome to the Left. Regarding quality of life, the functional aspect had the highest average score among the three aspects evaluated, and there was a significant difference between the functional and emotional aspects. CONCLUSION: Most elderly patients with dizziness present alterations in audiometry and vectoelectronystagmography, which indicate a disorder in the vestibulocochlear system; they also present impaired quality of life.

  11. Achados audiológicos em crianças com fenilcetonúria Audiologic findings in children with phenylketonuria

    Directory of Open Access Journals (Sweden)

    Patrícia Cotta Mancini

    2010-01-01

    Full Text Available OBJETIVO: Investigar a existência de alterações na audição de crianças com fenilcetonúria diagnosticadas e tratadas precocemente e comparar os resultados com os encontrados nas avaliações auditivas de crianças normais de mesma idade. MÉTODOS: Foram realizadas imitanciometria e audiometria tonal e vocal em 63 crianças, sendo 30 no grupo controle, com média de idade de 8,1 anos, e 33 com fenilcetonúria no grupo de estudo, com média de idade de 7,7 anos. O grupo de estudo foi subdividido em 15 crianças com controle adequado da dieta e 18 crianças com controle inadequado da dieta, com médias de idade 8,1 e 7,2, respectivamente. A análise estatística utilizou o Teste t ou ANOVA. RESULTADOS: A audiometria revelou 83,3% de crianças com audição normal no grupo controle e 16,7% de perdas auditivas condutivas uni ou bilaterais. No grupo com fenilcetonúria, 66,7% das crianças apresentaram audição normal e 33,3% com perdas auditivas condutivas. Na imitanciometria, observou-se curvas normais em 91,7% das crianças do grupo controle e em 72,7% das crianças do grupo com fenilcetonúria. Houve diferença na comparação entre grupos para limiares aéreos, reflexos estapedianos, limiares de recepção da fala e índice de reconhecimento de fala. Não foi observada diferença entre os resultados das avaliações auditivas de crianças fenilcetonúricas com dieta adequada e inadequada. CONCLUSÃO: As crianças com fenilcetonúria diagnosticadas e tratadas precocemente apresentaram piores limiares de audibilidade por via aérea, limiares de recepção de fala e índice de reconhecimento de fala evidenciados à audiometria tonal e vocal, quando comparadas com crianças normais.PURPOSE: To investigate the existence of hearing impairments in infants with phenylketonuria with early diagnose and treatment, and to compare the audiological findings with those of their normal peers. METHODS: Vocal and pure-tone audiometry and acoustic immitance

  12. Auditory Condition and Hearing Aids in 91 Adults with Hearing-impairment%91例成人听力状况及助听效果分析

    Institute of Scientific and Technical Information of China (English)

    邱素梅; 冯娟; 邹建华

    2014-01-01

    Objective To investigate the auditory condition in adults with hearing-impairment and evaluate the outcome of the hearing aid. Methods The threshold of air-bone-conduction audiometry and binaural hearing aid in 91 adults were determined with pure tone audi-ometry, and their satisfaction to hearing aids were investigated with free interview. Results The threshold of hearing and hearing aid were positively correlated. The satisfaction did not significantly correlate with the threshold of hearing aid, but with the time of deprivation of hearing. The hearing threshold classification was better in the patients with the audiogram of flat, raising, slow down type than with audio-gram of Shu type, which defined as hearing reacted only in 1 or 2 frequency. Conclusion It is important to improve the primary otology pro-tection, as well as the rehabilitation from the hearing aids.%目的:了解成人听力状况,评价助听效果。方法回顾性分析91例听力损害成人纯音测听法双耳气骨导听阈及助听听阈;通过与患者的日常用语交谈确定患者满意程度。结果裸耳听阈与助听听阈呈正相关;助听效果最适并不代表患者心理感知最好;听力剥夺时间越短,佩戴助听器后的心理感知越好;听力曲线呈平坦型、上升型、缓降型的助听效果较佳,蜀型助听效果较差。结论应加强耳科初级保护,及时发现听力问题,同时保证助听器发挥最大作用。

  13. A CLINICAL STUDY ON INTRATYMPANIC METHYL PREDNISOLONE AS PRIMARY AND RESCUE THERAPIES VERSUS ORAL PREDNISOLONE IN THE TREATMENT OF SSNHL: A STUDY ON 90 PATIENTS

    Directory of Open Access Journals (Sweden)

    Sesha Prasad

    2015-05-01

    Full Text Available INTRODUCTION: Sudden Hearing Loss is a real emergency requiring a fixed protocol in every hospital to help the patient recover his lost hearing ability. Diagnostic tools including pure tone and speech audiometry, Hematologi cal tests and MRI scan will guide the physician to identify the etiology of deafness to a certain extent, but in majority of the patients it is difficult. Oral steroid therapy with Prednisolone or Methyl Prednisolone over a period of 19 days is the most co mmon choice. It also seems to be the best treatment option. Recently intratympanic steroids have become an attractive choice either as a primary therapy or as an adjuvant therapy, in patients showing no or little improvement with oral steroids. It is also useful in patients in whom steroids are contra - indicated. OBJECTIVE: To observe and analyze the result of improvement in hearing following Intratympanic steroids used as a primary treatment and rescue therapy versus results in the patients on oral steroids alone taken as a control group; To evolve a treatment protocol in the management of SSNHL in our Hospital. MATERIALS AND METHODS: In this prospective study 90 patients are divided into three groups and the effect of Oral Prednisolone therapy on improving hearing is compared with primary and rescue therapy with Intratympanic steroid injections. Pre and post therapy audiograms of pure tone (PTA and speech audiometry (SRT of the three groups are analyzed to formulate a meaningful solution. RESULTS: Intratym panic steroids as a primary therapy showed effective recovery of hearing, observed by reduction in PTA of more than 15dB and improved SRT scoring of more than 15%. This study showed statistical significance when compared with systemic steroids therapy and failed systemic steroid therapy (less than expected P value 15%. CONCLUSIONS: Four injections of Steroids into the middl e ear used as primary or rescue therapies, improved hearing thresholds as recorded on pure tone

  14. Perda auditiva hereditária: relato de casos Hereditary hearing loss: case report

    Directory of Open Access Journals (Sweden)

    Aline Mizozoe de Amorim

    2008-03-01

    Full Text Available OBJETIVO: descrever os resultados da avaliação auditiva de uma família com perda auditiva de caráter hereditário autossômico dominante. MÉTODOS: foram avaliados 17 indivíduos, por meio da audiometria tonal, audiometria vocal, timpanometria e pesquisa dos reflexos acústicos, além de acompanhamento genético. RESULTADOS: Dos 17 sujeitos avaliados, 11 apresentaram algum grau de perda auditiva neurossensorial (64,7%, sendo oito do sexo feminino (73% e três do sexo masculino (27%. A idade dos sujeitos avaliados variou de cinco a 68 anos (média=29,6 e a idade do aparecimento da queixa variou de 20 a 38 anos (média=26,1. Ocorreu a progressão da perda auditiva com o aumento da idade, sendo que a partir dos 41 anos, não houve indivíduos com audição normal na família. CONCLUSÃO: a investigação audiológica de todos os membros da família, independentemente da queixa, é imprescindível, pois a perda auditiva pode existir, mesmo que esta ocorra em freqüências isoladas.PURPOSE: to describe the hearing findings of a family with autosome dominant hereditary hearing loss. METHODS: we evaluated 17 subjects. The evaluation was made by pure tone audiometry, Speech audiometry, tympanometry and acoustic reflex testing, in addition to genetic follow-up. RESULTS: from 17 evaluated subjects, 11 showed some degree of neurosensorial hearing loss (64.7%, being 8 female gender (73% and 3 male gender (27%. The subject age varied from 5 to 68 years (average = 39.6 and the time from the complaint's appearance varied from 20 to 38 years. The hearing loss was modified with age. We did not find normal hearing after the age of 41 years in the family. CONCLUSION: the hearing investigation regarding all members of the family regardless of any complaint is extremely indispensable due to the existence of hearing loss even when limited to isolated frequencies.

  15. Monitoramento auditivo na ototoxidade Auditory monitoring in ototoxicity

    Directory of Open Access Journals (Sweden)

    Lilian Cassia Bornia Jacob

    2006-12-01

    pertaining literature analysis identified two procedures often used worldwide for the early detection of auditory lesions induced by ototoxic pharmaceutical drugs: high-frequency audiometry and evoked otoacoustic emissions. Both allow early identification of hearing disorders before changes are seen in conventional pure-tone audiometry and, consequently, before speech understanding is compromised. CONCLUSION: we suggest a hearing monitoring protocol, considering the patient’s capability to respond to behavioral tests and monitoring timing (first test/follow up. For cancer patients, hearing monitoring should be performed in the patient’s treatment venue.

  16. Hearing Tests on Mobile Devices: Evaluation of the Reference Sound Level by Means of Biological Calibration

    Science.gov (United States)

    Kipiński, Lech; Grysiński, Tomasz; Kręcicki, Tomasz

    2016-01-01

    Background Hearing tests carried out in home setting by means of mobile devices require previous calibration of the reference sound level. Mobile devices with bundled headphones create a possibility of applying the predefined level for a particular model as an alternative to calibrating each device separately. Objective The objective of this study was to determine the reference sound level for sets composed of a mobile device and bundled headphones. Methods Reference sound levels for Android-based mobile devices were determined using an open access mobile phone app by means of biological calibration, that is, in relation to the normal-hearing threshold. The examinations were conducted in 2 groups: an uncontrolled and a controlled one. In the uncontrolled group, the fully automated self-measurements were carried out in home conditions by 18- to 35-year-old subjects, without prior hearing problems, recruited online. Calibration was conducted as a preliminary step in preparation for further examination. In the controlled group, audiologist-assisted examinations were performed in a sound booth, on normal-hearing subjects verified through pure-tone audiometry, recruited offline from among the workers and patients of the clinic. In both the groups, the reference sound levels were determined on a subject’s mobile device using the Bekesy audiometry. The reference sound levels were compared between the groups. Intramodel and intermodel analyses were carried out as well. Results In the uncontrolled group, 8988 calibrations were conducted on 8620 different devices representing 2040 models. In the controlled group, 158 calibrations (test and retest) were conducted on 79 devices representing 50 models. Result analysis was performed for 10 most frequently used models in both the groups. The difference in reference sound levels between uncontrolled and controlled groups was 1.50 dB (SD 4.42). The mean SD of the reference sound level determined for devices within the same model

  17. Is cochlear implantation a good treatment method for profoundly deafened elderly?

    Directory of Open Access Journals (Sweden)

    Lachowska M

    2013-10-01

    Full Text Available Magdalena Lachowska, Agnieszka Pastuszka, Paulina Glinka, Kazimierz Niemczyk Department of Otolaryngology, Hearing Implant Center, Medical University of Warsaw, Warsaw, Poland Purpose: To assess the benefits of cochlear implantation in the elderly. Patients and methods: A retrospective analysis of 31 postlingually deafened elderly (≥60 years of age with unilateral cochlear implants was conducted. Audiological testing included preoperative and postoperative pure-tone audiometry and a monosyllabic word recognition test presented from recorded material in free field. Speech perception tests included Ling's six sound test (sound detection, discrimination, and identification, syllable discrimination, and monosyllabic and multisyllabic word recognition (open set without lip-reading. Everyday life benefits from cochlear implantation were also evaluated. Results: The mean age at the time of cochlear implantation was 72.4 years old. The mean post-implantation follow-up time was 2.34 years. All patients significantly improved their audiological and speech understanding performances. The preoperative mean pure-tone average threshold for 500 Hz, 1,000 Hz, 2,000 Hz, and 4,000 Hz was 110.17 dB HL. Before cochlear implantation, all patients scored 0% on the monosyllabic word recognition test in free field at 70 dB SPL intensity level. The postoperative pure-tone average was 37.14 dB HL (the best mean threshold was 17.50 dB HL, the worst was 58.75 dB HL. After the surgery, mean monosyllabic word recognition reached 47.25%. Speech perception tests showed statistically significant improvement in speech recognition. Conclusion: The results of this study showed that cochlear implantation is indeed a successful treatment for improving speech recognition and offers a great help in everyday life to deafened elderly patients. Therefore, they can be good candidates for cochlear implantation and their age alone should not be a relevant or excluding factor when choosing

  18. AUDIOMETRIC EVALUATION OF TYMPANOPLASTY FOR HEARING IMPROVEMENT

    Directory of Open Access Journals (Sweden)

    Rajshekhar

    2015-09-01

    Full Text Available AIM: To determine the hearing improvement in tympanoplasty by preoperative and postoperative audiometric evaluation after I month and 3 months and 6 months of tympanoplasty. MATERIALS & METHODS: 50 Patients presenting having CSOM and presenting with complaints of deafness or ear discharge in ENT OPD at Basaveshwar Teaching and General Hospital, Gulbarga from 2012 to 2014. P re - operative audiometry and appropriate investigation was done followed by tympanoplasty. Patient was followed up regularly with p ost - operative audiometry at 1 month, 3 month and 6 month. Assessment of hearing improvement was done by comparing preoperative and postoperative A - B gap at speech frequency. RESULTS: The number of patients who underwent Type l tympanoplasty was 26, Type II was 5, Type III was 6 and Type 4 was 1. They had a mean A - B gap closure of 10.3dB, 10.2dB, 9.33dB and 5dB respectively. When mastoidectomy was included as a part of the procedure the hearing improvement was comparatively lesser. The mean Air - Bone gap closure was 8.9dB.The mean A - B gap closure was 10.2 dB for temporalis fascia graft, 4dB for temporalis fascia with conchal cartilage and 9.2dB in case of autograft incus. The mean A - B gap closure of medium, large and subtotal perforation were 4.7, 11.7 and 6.6 respectively. The total success rate in terms of graft uptake rate was 88% . CONCLUSION : The study shows that A - B gap closure is greatest for Type I followed by Type II, Type III and Type IV in decreasing order. Tympanoplasty in which modified radical mastoidectomy was a part of the procedure did not give as much hearing improvement as otherwise. The grafting material also had significant bearing on the success of surgery. The Airbo r ne gap closure is greatest for temporalis fascia graft than dura or autograft incus. Air - bone gap closure is also greater for temporalis fascia when used alone compared to when it is used along with conchal cartilage. Reperforation rates are

  19. Autosomal recessive hereditary auditory neuropathy

    Institute of Scientific and Technical Information of China (English)

    王秋菊; 顾瑞; 曹菊阳

    2003-01-01

    Objectives: Auditory neuropathy (AN) is a sensorineural hearing disorder characterized by absent or abnormal auditory brainstem responses (ABRs) and normal cochlear outer hair cell function as measured by otoacoustic emissions (OAEs). Many risk factors are thought to be involved in its etiology and pathophysiology. Three Chinese pedigrees with familial AN are presented herein to demonstrate involvement of genetic factors in AN etiology. Methods: Probands of the above - mentioned pedigrees, who had been diagnosed with AN, were evaluated and followed up in the Department of Otolaryngology Head and Neck Surgery, China PLA General Hospital. Their family members were studied and the pedigree diagrams were established. History of illness, physical examination,pure tone audiometry, acoustic reflex, ABRs and transient evoked and distortion- product otoacoustic emissions (TEOAEs and DPOAEs) were obtained from members of these families. DPOAE changes under the influence of contralateral sound stimuli were observed by presenting a set of continuous white noise to the non - recording ear to exam the function of auditory efferent system. Some subjects received vestibular caloric test, computed tomography (CT)scan of the temporal bone and electrocardiography (ECG) to exclude other possible neuropathy disorders. Results: In most affected subjects, hearing loss of various degrees and speech discrimination difficulties started at 10 to16 years of age. Their audiological evaluation showed absence of acoustic reflex and ABRs. As expected in AN, these subjects exhibited near normal cochlear outer hair cell function as shown in TEOAE & DPOAE recordings. Pure- tone audiometry revealed hearing loss ranging from mild to severe in these patients. Autosomal recessive inheritance patterns were observed in the three families. In Pedigree Ⅰ and Ⅱ, two affected brothers were found respectively, while in pedigree Ⅲ, 2 sisters were affected. All the patients were otherwise normal without

  20. Interação entre grau de perda auditiva e o incômodo com zumbidos em trabalhadores com história de exposição ao ruído Association between hearing loss level and degree of discomfort introduced by tinnitus in workers exposed to noise

    Directory of Open Access Journals (Sweden)

    Adriano Dias

    2008-12-01

    Full Text Available Perdas auditivas e zumbidos são dificuldades enfrentadas pelos trabalhadores, que sofrem suas conseqüências não apenas no ambiente de trabalho, mas também em contextos extralaborais. OBJETIVO: Verificar existência de relação dose-resposta entre perdas auditivas e zumbidos, ou seja, se o aumento destas perdas auditivas está associado ao aumento do incômodo provocado pelos zumbidos. MATERIAL E MÉTODO: Neste estudo de série de casos, transversal, foram avaliados 284 trabalhadores com exposição ao ruído ocupacional através da audiometria tonal limiar cujos resultados foram categorizados segundo Merluzzi. Aqueles que apresentaram queixas de zumbidos responderam ao Tinnitus Handicap Inventory, adaptado e validado para o português brasileiro. Ajustou-se um modelo linear generalizado para dados binomiais, verificando interação entre os fatores. RESULTADOS: Mais de 60% dos ouvidos apresentaram perda auditiva e mais de 46% apresentaram zumbidos. Verificou-se que as prevalências de zumbido aumentam com a piora dos limiares, bem como o risco de o apresentar. A interação entre ambos, considerando todos os graus de perda auditiva, foi estatisticamente significativa. CONCLUSÃO: Os resultados sugerem haver interação estatística entre perda auditiva e zumbidos, com a tendência de que, quanto maior for o déficit auditivo, maior será o incômodo provocado pelo zumbido.Hearing loss and tinnitus impact the lives of workers in every instance of their lives. AIM: this paper aims to investigate the existence of a dose-response relationship between hearing loss and tinnitus by determining whether higher levels of hearing loss can be associated with increased tinnitus-related discomfort. MATERIALS AND METHOD: this cross-sectional case study assessed 284 workers exposed to occupational noise through pure tone audiometry. Test results were categorized as defined by Merluzzi. Individuals complaining of tinnitus answered the adapted and validated

  1. Decreased Speech-In-Noise Understanding in Young Adults with Tinnitus

    Science.gov (United States)

    Gilles, Annick; Schlee, Winny; Rabau, Sarah; Wouters, Kristien; Fransen, Erik; Van de Heyning, Paul

    2016-01-01

    Objectives: Young people are often exposed to high music levels which make them more at risk to develop noise-induced symptoms such as hearing loss, hyperacusis, and tinnitus of which the latter is the symptom perceived the most by young adults. Although, subclinical neural damage was demonstrated in animal experiments, the human correlate remains under debate. Controversy exists on the underlying condition of young adults with normal hearing thresholds and noise-induced tinnitus (NIT) due to leisure noise. The present study aimed to assess differences in audiological characteristics between noise-exposed adolescents with and without NIT. Methods: A group of 87 young adults with a history of recreational noise exposure was investigated by use of the following tests: otoscopy, impedance measurements, pure-tone audiometry including high-frequencies, transient and distortion product otoacoustic emissions, speech-in-noise testing with continuous and modulated noise (amplitude-modulated by 15 Hz), auditory brainstem responses (ABR) and questionnaires.Nineteen students reported NIT due to recreational noise exposure, and their measures were compared to the non-tinnitus subjects. Results: No significant differences between tinnitus and non-tinnitus subjects could be found for hearing thresholds, otoacoustic emissions, and ABR results.Tinnitus subjects had significantly worse speech reception in noise compared to non-tinnitus subjects for sentences embedded in steady-state noise (mean speech reception threshold (SRT) scores, respectively −5.77 and −6.90 dB SNR; p = 0.025) as well as for sentences embedded in 15 Hz AM-noise (mean SRT scores, respectively −13.04 and −15.17 dB SNR; p = 0.013). In both groups speech reception was significantly improved during AM-15 Hz noise compared to the steady-state noise condition (p < 0.001). However, the modulation masking release was not affected by the presence of NIT. Conclusions: Young adults with and without NIT did not

  2. Otologic Problems in Turner Syndrome

    Directory of Open Access Journals (Sweden)

    Ahmadreza Okhovat

    2011-06-01

    Full Text Available Background and Aim: Turner syndrome is the most common sex chromosome abnormality in females, affecting an estimated 3% of all conceiving females. Otologic disease is a common problem in Turner syndrome patients that is due to a combination of small dysfunction Eustachian tube, palatal dysfunction and cochlear malformation.Methods: This study assessed the otologic and audiologic characteristics of a group of Turner syndrome patients. We studied 40 Turner patients aged 10 to 20 years (mean age: 15.84 years, SD=2.67. Pure tone audiometry was carried out for all of them.Results: Forty percent of the patients reported a history of middle ear disease. Analysis of audiometric data in 40 patients tested reveals normal hearing in 47.5%, pure sensorineural hearing loss in 32.5%, pure conductive hearing loss in 17.5% and mixed hearing loss in 2.5% of patients.Conclusion: Careful follow up during early childhood of children with Turner syndrome is necessary to detect middle ear disease and prevent the probable sequel. However, long term periodic follow up is mandatory even after resolution of middle ear disease to detect sensorineural hearing loss

  3. Age-related changes in auditory and cognitive abilities in elderly persons with hearing aids fitted at the initial stages of hearing loss

    Directory of Open Access Journals (Sweden)

    C. Obuchi

    2011-03-01

    Full Text Available In this study, we investigated the relation between the use of hearing aids at the initial stages of hearing loss and age-related changes in the auditory and cognitive abilities of elderly persons. 12 healthy elderly persons participated in an annual auditory and cognitive longitudinal examination for three years. According to their hearing level, they were divided into 3 subgroups - the normal hearing group, the hearing loss without hearing aids group, and the hearing loss with hearing aids group. All the subjects underwent 4 tests: pure-tone audiometry, syllable intelligibility test, dichotic listening test (DLT, and Wechsler Adult Intelligence Scale-Revised (WAIS-R Short Forms. Comparison between the 3 groups revealed that the hearing loss without hearing aids group showed the lowest scores for the performance tasks, in contrast to the hearing level and intelligibility results. The other groups showed no significant difference in the WAIS-R subtests. This result indicates that prescription of a hearing aid during the early stages of hearing loss is related to the retention of cognitive abilities in such elderly people. However, there were no statistical significant correlations between the auditory and cognitive tasks.

  4. [Evaluation of hearing aid rehabilitation using the Freiburg Monosyllabic Test].

    Science.gov (United States)

    Hoppe, U

    2016-08-01

    The benefit of hearing aids is not always directly subjectively perceivable. Therefore, objective and quantifiable speech audiometric measurements are required. Beside acoustic gain measurements and structured interviews, speech audiometry in quiet and in noise is one of the three pillars of hearing aid evaluation.The Freiburg monosyllabic test has been used for decades for hearing aid prescription and evaluation in German speaking countries. Relative and absolute targets can be individually defined for the rehabilitation of speech perception by hearing aids as assessed by the Freiburg monosyllabic test in quiet and at conversational levels.The general applicability of speech audiometric measurements in noise is limited. Alternative ("modern") methods and the definitions of noise situations relevant to everyday life have been discussed for years. However, the introduction of these methods into everyday use has proven difficult. On one hand, there is comparatively little practical experience; on the other, it has not yet been demonstrated what additional benefits these more complicated measurements might have for standard hearing aid evaluations and hearing aid users.

  5. Sudden sensorineural hearing loss in adults: Our experience with multidrug high dose steroid regimen at tertiary care hospital

    Directory of Open Access Journals (Sweden)

    Vivek Gupta

    2016-01-01

    Full Text Available Introduction: Sudden sensorineural hearing loss is a confusing and controversial issue in our practice since no standard definition, evaluation method and treatment protocol exists. It is an otological emergency with narrow golden period of treatment. Objective: To establish the early diagnosis, treatment and study the outcome of treatment. Design and Method: In a prospective study, including patients >18 year age who had presented with sudden sensorineural hearing loss in ENT opd; after ENT examination, PTA, impedance audiometry and necessary imaging, were treated with i.v. methylprednisolone and inj.methylcobalamine i.m. along with tablet Pentoxyfylline and tablet prednisolone. PTA was repeated on 4th day, 3 week, and 6 weeks after diagnosis. Results: Total 37 patients were diagnosed and treated. Majority of patients had sudden SNHL of <72 hrs. duration with severe hearing loss and tinnitus as commonest associated symptom. Idiopathic cause was commonest followed by acoustic trauma and head trauma. 35.14% patients had complete recovery while 40.54% and 24.32% patients had partial and no recovery respectively. Conclusion: PTA is single most important investigation. Prompt treatment in <72 hrs. carry good prognosis. Associated vertigo, flat audiogram, DM, HTN are of poor prognosis.

  6. Unilateral central retinal artery occlusion as the sole presenting sign of Susac syndrome in a young man: case report

    Directory of Open Access Journals (Sweden)

    Samira Luiza dos Apóstolos-Pereira

    2013-06-01

    Full Text Available We report the case of a 24-year-old man presenting with sudden visual loss in the left eye from a central retinal artery occlusion. An extensive clinical investigation revealed no etiology. Three weeks later, however, the patient developed hearing loss followed by encephalopathy and multiple branch retinal artery occlusions in the right eye. Fluorescein angiography confirmed retinal vascular occlusions with no sign of vasculitis. The neurological examination revealed a diffuse encephalopathy while the MRI scan disclosed several small areas of infarcts in the brain. Bilateral sensorineural hearing loss was confirmed on audiometry. The patient was diagnosed with Susac syndrome and treated with methylprednisolone and cyclophosphamide, resulting in slight improvement and stabilization. This case shows that Susac syndrome may be diagnosed late due to the absence at onset of one or more of the symptoms of the classic triad (encephalopathy, multiple branch retinal artery occlusions and hearing loss. This case also serves to emphasize that Susac syndrome should be considered in the differential diagnosis of central retinal artery occlusion, even in apparently healthy young men.

  7. Otoacoustic Emissions in Sudden Sensorineural Hearing Loss: Changes of Measures with Treatment

    Directory of Open Access Journals (Sweden)

    Shadman Nemati

    2011-01-01

    Full Text Available Introduction: To identify changes in OAEs parameters in treatment course of idiopathic sudden sensorineural hearing loss (iSSNHL. Materials and Methods: In aprospective studyfromAugust 2005 to January 2009, 26 patients with iSSNHL underwent conventional audiometry/tympanometry and two types of OAEs (TEOAEs and DPOAEs before and after the completion of standard drug therapy.The changes in pre- and post- treatment parameters were compared with each other and with normal-contralateral ears. Results: In TEOAEs, the mean overall correlation (reproducibility and the mean overall strength in involved ears were 10.96±23.36 and 0.99±3.45 dB, respectively, before the treatment, which reached 22.88±36.55 and 1.85±5.3, respectively, after the treatment (P>0.05. Significant difference between “correlation score” (average of correlations at 3-4 involved frequencies before and after treatment was found: 6.52 ±18.19 vs. 21.67±37.8 (P

  8. Audiology profile in the military police state of São Paulo

    Directory of Open Access Journals (Sweden)

    Kinoshita, Sérgio Koodi

    2010-12-01

    Full Text Available Introduction: The military police are a population exposed to noise impact due to training with firearms. Objective: To investigate the audiological profile of the military police in São Paulo state, and to correlate the age and duration of exposure and audiological findings. Method: In this study of case series, cross-sectional audiological evaluation was performed in 200 police officers being 169 (84.5% were male and 31 (15.5% females, aged between 25 and 45 years (mean 38.83 ± 5.05, average service time of 16.80 ± 6.27 years. Results: The main complains were: tinnitus (n=52/26%, hearing loss (n=36/18%, ear fullness (n=24/12% and autophonia (n=24/12%. Impedance were found in 100% of type A curves (JERGER, 1970, and recruitment was present in 20 (10% cases. According to the results of audiometry, the data showed that 54 (27% right ears and 56 (28% left ears had hearing loss. The degree of loss with higher prevalence was 1 and 2 (MERLUZZI et al., 1979, 85 (42.5% cases. There was significant correlation between age and exposure time with the worsening of audiometric thresholds in both ears. Conclusion: From the audiological data analysis was possible that the military police are a population that presents a risk to develop hearing loss. Thus, we see the need for implementation of hearing conservation program for the military police.

  9. A Hearing Screening Program for Children in Primary Schools in Tajikistan: A Telemedicine Model

    Science.gov (United States)

    Skarzyński, Piotr Henryk; Świerniak, Weronika; Piłka, Adam; Skarżynska, Magdalena B.; Włodarczyk, Andrzej W.; Kholmatov, Dzhamol; Makhamadiev, Abdukholik; Hatzopoulos, Stavros

    2016-01-01

    Background According to the guidelines of the European Scientific Consensus on Hearing (European Federation of Audiology Societies ‘EFAS’ Congress, June 2011, Warsaw, Poland), the detection and treatment of communication disorders in early school-age children is of the highest importance. This objective was adopted by the Polish president of the EFAS Council from the second half of 2011; as a result, pilot programs on children’s hearing screening were initiated in various European countries. This paper reports data from a pilot program in Dushanbe, Tajikistan. Material/Methods We randomly selected 143 children from 2 primary schools. Each child was assessed by pure tone audiometry and 2 questionnaires (dedicated to parents and children). The study allowed the validation of: (i) hearing screening procedures in young children, and (ii) data collection via a telemedicine model. Results Hearing impairments were identified in 34 cases (23.7%) with a 50% ratio between unilateral and bilateral losses. We found a higher incidence of hearing impairment in children than that reported in previous Polish studies. Conclusions The data from the present study suggest that it is possible to use a telemedicine model to assess the hearing status of children and to provide a long-distance expert assistance. The latter is very important for rural areas without specialized medical services. PMID:27402315

  10. Association between interleukin-6 polymorphism in the -174 G/C region and hearing loss in the elderly with a history of occupational noise exposure

    Directory of Open Access Journals (Sweden)

    Miula Portelinha Braga

    2014-10-01

    Full Text Available INTRODUCTION: The biological processes involved in noise-induced hearing loss (NIHL are still unclear. The involvement of inflammation in this condition has been suggested. OBJECTIVE: To investigate the association between interleukin - 6 (IL-6 polymorphism and susceptibility to NIHL. METHODS: This was a cross-sectional study with a sample of 191 independent elderly individuals aged > 60 years of age. Information on exposure to occupational noise was obtained by interviews. Audiological evaluation was performed using pure tone audiometry and genotyped through PCR by restriction fragment length polymorphism - PCR-RFLP. Data were analyzed using the Chi-square test and the Odds ratio (OR, with the significance level set at 5%. RESULTS: Among elderly with hearing loss (78.0%, 18.8% had a history of exposure to occupational noise. There was a statistically significant association between the genotype frequencies of the IL-6 -174 and NIHL. The elderly with the CC genotype were less likely to have hearing loss due to occupational noise exposure when compared to those carrying the GG genotype (OR = 0.0124; 95% CI 0.0023-0.0671; p < 0.001. CONCLUSION: This study suggests there is an association of polymorphisms in the IL- 6 gene at position - G174C with susceptibility to noise-induced hearing loss.

  11. Pilot initiatives of adult hearing screening in Italy

    Directory of Open Access Journals (Sweden)

    A. Paglialonga

    2011-03-01

    Full Text Available A series of pilot initiatives of adult hearing screening programs were organized in eight large and small-size cities in Italy in the past two years. The screening initiatives were held in public places, supermarkets, drugstores, and in some universities of the third age, and involved an overall population of 2,278 screened subjects with age ranging from 13 to 93 years. Three different screening tests were used to assess hearing ability in the participants, i.e.: screening pure tone audiometry (PTA, an automated speech-in-noise screening test (the SUN-test, and a screening questionnaire of self-perceived hearing handicap (the HHIE-S. This paper describes the organization and management of these screening initiatives and reviews the main results obtained in the screened population, using the three different screening tests. Results obtained in these pilot initiatives showed that screening adults for hearing problems might be feasible, on a local level, in non clinical settings and can be performed quite easily with the support of local coordinators and partners, such as associations or local authorities. It is recognized that further initiatives and studies will have to be performed to better define the key aspects related to the organization and management of adult hearing screening programs, either at a local, regional, or national level.

  12. Childhood otitis media is associated with dizziness in adulthood: the HUNT cohort study.

    Science.gov (United States)

    Aarhus, Lisa; Tambs, Kristian; Hoffman, Howard J; Engdahl, Bo

    2016-08-01

    The objective of the study was to examine the association between otitis media in childhood and dizziness in adulthood. Longitudinal, population-based cohort study of 21,962 adults (aged 20-59 years, mean 40) who completed a health questionnaire in the Nord-Trøndelag Hearing Loss Study was conducted. At 7, 10 and 13 years of age, the same individuals underwent screening audiometry in a longitudinal school hearing investigation. Children found with hearing loss underwent an ear, nose and throat specialist examination. Adults diagnosed with childhood chronic suppurative otitis media (n = 102) and childhood hearing loss after recurrent acute otitis media (n = 590) were significantly more likely to have increased risk of reported dizziness when compared to adults with normal hearing as children at the school investigation and also a negative history of recurrent otitis media (n = 21,270), p media and childhood hearing loss after recurrent acute otitis media are associated with increased risk of dizziness in adulthood. This might reflect a permanent effect of inflammatory mediators or toxins on the vestibular system. The new finding stresses the importance of treatment and prevention of these otitis media conditions.

  13. Risk of hearing loss in children exposed to gentamicin for the treatment of sepsis in young infancy: A community based cohort study in pakistan

    International Nuclear Information System (INIS)

    Objective: To determine the safety of gentamicin when used in a community setting to treat neonatal sepsis. Methods: The study was conducted in peri-urban areas of Karachi from September 2009 to April 2010. The exposed group consisted of children 6 months to 3 years of age who were treated for sepsis during 0-2 months of age in the community, with a regimen that included gentamicin for at least five days. The control group included children from the same area who never received gentamicin. The outcome measure was hearing loss, which was assessed by Brainstem Evoked Response Audiometry. Results: Of the 255 children enrolled, 125 (49%) received gentamicin, while 130 (51%) were not exposed to gentamicin. Children in the gentamicin exposed group were not at increased risk for hearing loss compared to controls (n=30; 30.9% vs. n=33; 31.4%, RR 0.98; 95% CI: 0.60-1.61). Children with history of ear discharge (RR 1.7) and children with family history of deafness (RR 2.0) were more at risk for having hearing loss. Conclusion: No association was found between hearing loss and gentamicin exposure in a community setting for the management of sepsis in the first two months of life. (author)

  14. High-frequency profile in adolescents and its relationship with the use of personal stereo devices

    Directory of Open Access Journals (Sweden)

    Renata Almeida Araújo Silvestre

    2016-04-01

    Full Text Available Abstract Objective: To analyze and correlate the audiometric findings of high frequencies (9–16 kHz in adolescents with their hearing habits and attitudes, in order to prevent noise-induced hearing loss. Method: This was a descriptive cross-sectional study, which included 125 adolescents in a sample of normal-hearing students, at a state school. The subjects performed high-frequency audiometry testing and answered a self-administered questionnaire addressing information on sound habits concerning the use of personal stereo devices. The sample was divided according to the exposure characteristics (time, duration, intensity, etc. and the results were compared with the observed thresholds, through the difference in proportions test, chi-squared, Student's t-test, and ANOVA, all at a significance level of 0.05. Results: Average high-frequency thresholds were registered below 15 dB HL and no significant correlation was found between high frequency audiometric findings and the degree of exposure. Conclusion: The prevalence of harmful sound habits due to the use of personal stereo devices is high in the adolescent population, but there was no correlation between exposure to high sound pressure levels through personal stereos and the high-frequency thresholds in this population.

  15. Characteristics and determinants of music appreciation in adult CI users.

    Science.gov (United States)

    Philips, Birgit; Vinck, Bart; De Vel, Eddy; Maes, Leen; D'Haenens, Wendy; Keppler, Hannah; Dhooge, Ingeborg

    2012-03-01

    The main objective of this study was to assess the associations between self-reported listening habits and perception of music and speech perception outcomes in quiet and noise for both unilateral cochlear implant (CI) users and bimodal (CI in one ear, hearing aid in contra-lateral ear) users. Information concerning music appreciation was gathered by means of a newly developed questionnaire. Moreover, audiological data (pure-tone audiometry, speech tests in noise and quiet) were gathered and the relationship between speech perception and music appreciation is studied. Bimodal users enjoy listening to music more in comparison with unilateral CI users. Also, music training within rehabilitation is still uncommon, while CI recipients believe that music training might be helpful to maximize their potential with current CI technology. Music training should not be exclusively reserved for the good speech performers. Therefore, a music training program (MTP) that consists of different difficulty levels should be developed. Hopefully, early implementation of MTP in rehabilitation programs can enable adult CI users to enjoy and appreciate music and to maximize their potential with commercially available technology. Furthermore, because bimodal users consider the bimodal stimulation to be the most enjoyable way to listen to music, CI users with residual hearing in the contra-lateral ear should be encouraged to continue wearing their hearing aid in that ear. PMID:21847672

  16. [Recovery of hearing: results of delayed medical treatment in patients with idiopathic sudden hearing loss].

    Science.gov (United States)

    Maassen, M M; Pfister, M; Plontke, S; Koitschev, A; Vögler, A; Löwenheim, H

    2002-12-01

    For the treatment of idiopathic sudden sensorineural hearing loss (ISSNHL), a variety of studies about intravenous drug administration with the beginning of treatment in the early period of less then one week after the onset of hearing loss have been performed. In contrast, very little information is available about the efficacy of intravenous drug therapy for ISSNHL with the beginning of treatment later than four weeks after the onset of hearing loss. In a retrospective chart review we studied the treatment results of 57 patients with ISSNHL with beginning of treatment later than four weeks after the onset of hearing loss with no spontaneous recovery of hearing. Patients received a treatment with intravenous administration of Dextran (concentration 40 g/l with NaCl 0.9%) and Procain-HCl (a derivative of the local anaesthetic lidocaine,400-800 mg in a 500 ml rheologic infusion of Dextran 40). 25% of the patients showed a significant improvement of 10 dB or more in hearing threshold at 1000 Hz measured in bone-conducted pure tone audiometry. In a subjective evaluation 53% of the patients noticed a subjective improvement of their individual hearing thresholds. PMID:12474128

  17. Assessment of hearing and hearing disorders in rock/jazz musicians.

    Science.gov (United States)

    Kähärit, Kim; Zachau, Gunilla; Eklöf, Mats; Sandsjö, Leif; Möller, Claes

    2003-07-01

    The aim of this study was to assess hearing and hearing disorders among rock/jazz musicians. One hundred and thirty-nine (43 women and 96 men) musicians participated. The results are based on pure-tone audiometry and questionnaire responses. According to our definition of hearing loss, tinnitus, hyperacusis, distortion and/or diplacusis as hearing disorders, we found disorders in 74%, of the rock/jazz musicians studied. Hearing loss, tinnitus and hyperacusis were most common, and the latter two were found significantly more frequently than in different reference populations. The women showed bilateral, significantly better hearing thresholds at 3-6 kHz than the men. Hyperacusis, and the combination of both hyperacusis and tinnitus, were found to be significantly more frequent among women than among men. Hearing loss and tinnitus were significantly more common among men than among women. It is important to evaluate all kinds of hearing problems (other than hearing loss) in musicians, since they represent an occupational group especially dependent on optimal, functional hearing. On the basis of our results, we suggest that hearing problems such as tinnitus, hyperacusis, distortion and/or diplacusis should, in addition to hearing loss, be defined as hearing disorders.

  18. Incidental findings on magnetic resonance imaging in patients with tinnitus

    Directory of Open Access Journals (Sweden)

    Parmod Kalsotra

    2015-01-01

    Full Text Available Introduction: Tinnitus is "a sound in one ear or both ears, such as buzzing, ringing, or whistling, occurring without an external stimulus." Magnetic resonance imaging (MRI is a well-established, cost-effective investigation for the patients with tinnitus. Aim: The purpose of the study was to define the frequency of incidental findings on MRI scans, of patients with a history of tinnitus but with normal clinical examination, audiometry and otoacoustic emissions. Materials and Methods: A total of 62 patients were enrolled for the present study with a history of gradually increasing tinnitus and normal clinical ENT examination. All these patients underwent MRI scan to find out any lesion that would cause tinnitus. Results and Conclusion: In the present study, evaluation of MRI scans of 62 patients with gradually increasing tinnitus was done, with ipsilateral vestibular schwannoma and neurofibromatosis II being diagnosed in 1 patient (1.61% each. Incidental findings were demonstrated in 26 cases (41.93%; with 8 cases (12.90% of white matter lesions, 5 cases (8.66% of vascular anomalies, 3 cases (4.83% of arachnoid cyst, 2 cases (3.22% of empty sella, 4 cases (6.45% of sinus involvement, 2 cases (3.22% of cerebral atrophy and 2 cases (3.22% of vascular infarcts, though none of these findings were serious and neither warranted an urgent surgical intervention but a few cases required assessment by other specialties and were referred accordingly.

  19. Unilateral tinnitus as a single symptom of unusually large vestibular schwannoma

    Directory of Open Access Journals (Sweden)

    Komazec Zoran

    2014-01-01

    Full Text Available Introduction. Vestibular schwannomas are relatively rare tumors whose symptoms are based on its location and as the tumor grows, the symptoms usually advance. Case Report. An 18-year old patient was examined by an otolaryngologist due to buzzing in her right ear that had lasted for about 1 month. Her pure-tone audiometry findings showed slight asymmetry; a slight ascendant type sensorineural hearing loss was found in the right ear (25 dB HL at 125 Hz, 20 dB HL at 250 Hz, and 10 dB HL at other frequencies, while the threshold in the left ear was 15 dBHL at 125 Hz and 10 dB HL at other frequencies. Electronystagmography, otoacoustic emissions and auditory brain-stem responses suggested retrocochlear etiology of tinnitus. Magnetic resonance imaging examination revealed a large right cerebellopontine angle tumor, measuring 5 x 3 x 3 cm, which had shifted the brain stem laterally. Conclusion. Every case of unilateral tinnitus, asymmetric sensorineural hearing loss, or hypotonia of labyrinth not strictly accompanied by vertigo, needs to be further evaluated using a battery of audiologic tests whose findings may be normal. Audiologic tests should be repeated in cases of persistent symptoms and accompanied by cranial magnetic resonance imaging, which is today considered the gold standard for diagnosis of vestibular schwannoma.

  20. A comparative study of outcome of ossiculoplasty using cartilage graft, bone and different alloplasts in chronic otitis media

    Directory of Open Access Journals (Sweden)

    Sougata Mahanty

    2015-01-01

    Full Text Available Objective: The objective was to determine which material, among autologous cartilage, autologous incus and partial ossicular replacement prosthesis (PORP, gives better postoperative hearing result in ossiculoplasty. Study Design: Nonrandomized prospective cohort (longitudinal study. Settings: Tertiary referral center. Materials and Methods: Patients were selected from outpatients department with the clinical diagnosis of chronic suppurative otitis media with cholesteatoma or granulation tissue. Patients underwent necessary preoperative investigations including pure tone audiometry (PTA. Total 67 patients were selected for this study, among them 12 patients did not fit the selection criteria and 5 patients lost during follow-up. Hence, total 50 patients were taken in the study group. Intervention: Ossiculoplasty with cartilage, incus and PORP after modified radical mastoidectomy. Main Outcome Measure: Hearing results were measured by PTA-air bone gap (PTA-ABG after 6 months of operation. Results: Selecting the criteria <20 dB ABG as success when stapes superstructure is present, cartilage has 60% success rate, incus has 73.68%, and PORP has 56.25% success. Extrusion rate of different prosthesis shows, PORP has 25%, cartilage has 20% extrusion. Incus has the lowest (5.26% extrusion rate. Conclusion: Among the ossiculoplasty materials, autologous incus gives best postoperative hearing gain and lowest extrusion rate.

  1. Audiometric profile of civilian pilots according to noise exposure

    Science.gov (United States)

    Falcão, Taiana Pacheco; Luiz, Ronir Raggio; Schütz, Gabriel Eduardo; Mello, Márcia Gomide da Silva; Câmara, Volney de Magalhães

    2014-01-01

    OBJECTIVE To evaluate the audiometric profile of civilian pilots according to the noise exposure level. METHODS This observational cross-sectional study evaluated 3,130 male civilian pilots aged between 17 and 59 years. These pilots were subjected to audiometric examinations for obtaining or revalidating the functional capacity certificate in 2011. The degree of hearing loss was classified as normal, suspected noise-induced hearing loss, and no suspected hearing loss with other associated complications. Pure-tone air-conduction audiometry was performed using supra-aural headphones and acoustic stimulus of the pure-tone type, containing tone thresholds of frequencies between 250 Hz and 6,000 Hz. The independent variables were professional categories, length of service, hours of flight, and right or left ear. The dependent variable was pilots with suspected noise-induced hearing loss. The noise exposure level was considered low/medium or high, and the latter involved periods > 5,000 flight hours and > 10 years of flight service. RESULTS A total of 29.3% pilots had suspected noise-induced hearing loss, which was bilateral in 12.8% and predominant in the left ear (23.7%). The number of pilots with suspected hearing loss increased as the noise exposure level increased. CONCLUSIONS Hearing loss in civilian pilots may be associated with noise exposure during the period of service and hours of flight. PMID:25372170

  2. Carcinoid Tumors in the Middle Ear: a Case Report and Literature Review

    Institute of Scientific and Technical Information of China (English)

    WANG Entong; GONG Weixi; DA Jiping

    2006-01-01

    Middle ear carcinoid tumor (MEC T) is rare. Only 46 cases of MECT have been reported in the literature since the first case of MECT was described in 1980. We present here a case of primary MECT initially diagnosed as inflammatory aural polyp. The case was a 43-year-old women complaining of right ear chronic otorrhea and hearing loss over a period of five years, with a blockage sensation in the right ear for two years. Audiometry showed conductive hearing loss in the right ear. Physical examination and CT scans showed a mass in the right external auditory canal and middle ear, surrounding the ossicular chain. Pathologic study of surgically removed specimen revealed features of carcinoid tumor with positive staining to chromogranin A and synaptophysin in tumor cells. Local radiation of 60 Gy was applied. The patient has been followed up for more than one year. Postoperative histopathological examination showed no evidence of MECT recurrence one year after surgery, but inflammatory changes in the middle ear. Relevant literatures were reviewed. Clinical, histopathological, immunohistochemical and ultrastructural features of MECT, and strategies in MECT diagnosis and management are discussed.

  3. Electrophysiologic and Behavioral Assessment of Hearing Status in Children with Spastic Diplegia

    Directory of Open Access Journals (Sweden)

    Mohammad Kamali

    2011-06-01

    Full Text Available Background and Aim: High incidence of speech disorders in children with cerebral palsy could be related to a deficiency in processing of auditory stimuli. So it is vital to check out any peripheral or central disorders in auditory system using behavioral and electrophysiological auditory tests.Methods: In a cross-sectional study, 15 children with spastic diplegia, mean age 5.77, SD 2.26 years, and 15 normal children, mean age 5.33, SD 1.80 years, were tested using pure tone audiometry, immittance and auditory brainstem responses. The results were compared between the two groups.Results: Hearing thresholds and middle ear status were in normal range in all participants; however, contralateral acoustic reflex thresholds were mostly elevated. Comparing absolute latency and interpeak latency intervals of auditory brainstem responses between the two groups, absolute latency interval of later waves, and in specific the V wave, was significantly longer in diplegic children (p=0.04 resulting in a longer III-V interpeak latency intervals (p=0.02.Conclusion: Neurological disorders in ponto-reticulo-spinal pathway, pontine reticular nuclei and upper pons which are adjacent to auditory nuclei of lateral leminiscus and inferior colliculus result in auditory dys-synchrony and increased latency intervals in latter waves of auditory brainstem responses. This could also attributed to functional disorders in wave-generating sites in these patients.

  4. Middle ear impedance studies in elderly patients implications on age-related hearing loss

    Directory of Open Access Journals (Sweden)

    Olusola Ayodele Sogebi

    2015-04-01

    Full Text Available INTRODUCTION: Controversies arise with respect to functioning of the middle ear over time.OBJECTIVE: To assess changes in middle ear impedance that may be related to aging, and/or if there was an association of these changes with those of the inner ear in the elderly patients.METHODS: Cross-sectional, comparative study of elderly patients managed in ear, nose and throat clinics. A structured questionnaire was administered to obtain clinical information. Pure tone audiometry, tympanometry, and acoustic reflexes were performed. Comparative analyses were performed to detect intergroup differences between clinico-audiometric findings and middle ear measures, viz. tympanograms and acoustic reflexes.RESULTS: One hundred and three elderly patients participated in the study; 52.4% were male, averagely 70.0 ± 6.3 years old, age-related hearing loss in 59.2%, abnormal tympanograms in 39.3%, absent acoustic reflex in 37.9%. There was no association between age and gender in patients with abnormal tympanograms and absent acoustic reflex. Significantly more patients with different forms and grades of age-related hearing loss had abnormal tympanometry and absent acoustic reflex.CONCLUSION: Some abnormalities were observed in the impedance audiometric measures of elderly patients, which were significantly associated with parameters connected to age-related hearing loss.

  5. Case 226: Oval Window Atresia.

    Science.gov (United States)

    Hughes, Amy; Danehy, Amy; Adil, Eelam

    2016-02-01

    A 6-year-old girl presented with bilateral hearing loss. Her otologic, birth, and family histories were limited, given that she was adopted, but her parents reported that she had had difficulty hearing and speaking ever since they adopted her at 2 years of age. Her parents denied a history of acute otitis media, otorrhea, otalgia, vertigo, autophony, or tinnitus since her adoption. At 2.5 years of age, a diagnosis of hearing loss was made, and she was given hearing aids. Her parents believed that she had been doing well with both receptive and expressive language since she had received the hearing aids. At examination, she had small bilateral preauricular skin tags and normal pinna. Her external auditory canals were of a normal caliber bilaterally, with no otorrhea or lesions. The tympanic membranes were translucent and mobile at pneumatic otoscopy. There was no evidence of a middle ear lesion, nor was there a Schwartz sign. She had no nystagmus or vertigo at pneumatic otoscopy. Audiometry was performed and revealed moderate to severe conductive hearing loss bilaterally, with a mixed component present at 2000 KHz. She had normal bilateral middle ear pressure at tympanometry. Thin-section computed tomography (CT) of the temporal bone was performed. PMID:26789605

  6. The role of auditory abilities in basic mechanisms of cognition in older adults

    Directory of Open Access Journals (Sweden)

    Massimo eGrassi

    2013-10-01

    Full Text Available The aim of this study was to assess age-related differences between young and older adults in auditory abilities and to investigate the relationship between auditory abilities and basic mechanisms of cognition in older adults. Although there is a certain consensus that the participant’s sensitivity to the absolute intensity of sounds (such as that measured via pure tone audiometry explains his/her cognitive performance, there is not yet much evidence that the participant’s auditory ability (i.e., the whole supra-threshold processing of sounds explains his/her cognitive performance. Twenty-eight young adults (age < 35, 26 young-old adults (65 ≤ age ≤75 and 28 old-old adults (age > 75 were presented with a set of tasks estimating several auditory abilities (i.e., frequency discrimination, intensity discrimination, duration discrimination, timbre discrimination, gap detection, amplitude modulation detection, and the absolute threshold for a 1 kHz pure tone and the participant’s working memory, cognitive inhibition, and processing speed. Results showed an age-related decline in both auditory and cognitive performance. Moreover, regression analyses showed that a subset of the auditory abilities (i.e., the ability to discriminate frequency, duration, timbre, and the ability to detect amplitude modulation explained a significant part of the variance observed in processing speed in older adults. Overall, the present results highlight the relationship between auditory abilities and basic mechanisms of cognition.

  7. Optimizing CT for the evaluation of vestibular aqueduct enlargement:Inter-rater reproducibility and predictive value of reformatted CT measurements

    Institute of Scientific and Technical Information of China (English)

    Misun Hwang; Ryan Marovich; Samuel S. Shin; David Chi; Barton F. Branstetter IV

    2015-01-01

    Enlarged vestibular aqueduct (EVA), the most frequent identifiable cause of congenital hearing loss, is evaluated with high-definition multi-detector CT in the axial plane. Our purpose was to determine which reformatted CT measurements are most reproducible. Seven multiplanar reformatted images were created for each of the 64 temporal bones in patients with EVA. Intraclass correlation coefficients (ICC) were used to assess inter-observer variability, and both linear regression and ROC analyses were used to compare the measurements with severity of hearing loss, as assessed by pure tone audiometry. All seven measurements had excellent inter-observer variability, with average-measure ICC ranging from 0.92 to 0.98. There was no statistically significant correlation between the radiologic degree of aqueduct enlargement and severity of hearing loss using any of the seven measurements;ROC analyses revealed areas under the curves ranging from 0.57 to 0.73. Optimal accuracy was obtained with a threshold of 1.75 mm as measured at the aqueductal aperture in the P€oschl plane, with sensitivity of 0.75 and specificity of 0.63. Although the radiologic measurement may not serve as a reliable tool for assessing severity of EVA, P€oschl plane reformatting has proven to be better than conventional axial acquisition plane for identifying patients with clinically significant hearing loss.

  8. Synaptopathy in the noise-exposed and aging cochlea: Primary neural degeneration in acquired sensorineural hearing loss.

    Science.gov (United States)

    Kujawa, Sharon G; Liberman, M Charles

    2015-12-01

    The classic view of sensorineural hearing loss (SNHL) is that the "primary" targets are hair cells, and that cochlear-nerve loss is "secondary" to hair cell degeneration. Our recent work in mouse and guinea pig has challenged that view. In noise-induced hearing loss, exposures causing only reversible threshold shifts (and no hair cell loss) nevertheless cause permanent loss of >50% of cochlear-nerve/hair-cell synapses. Similarly, in age-related hearing loss, degeneration of cochlear synapses precedes both hair cell loss and threshold elevation. This primary neural degeneration has remained hidden for three reasons: 1) the spiral ganglion cells, the cochlear neural elements commonly assessed in studies of SNHL, survive for years despite loss of synaptic connection with hair cells, 2) the synaptic terminals of cochlear nerve fibers are unmyelinated and difficult to see in the light microscope, and 3) the degeneration is selective for cochlear-nerve fibers with high thresholds. Although not required for threshold detection in quiet (e.g. threshold audiometry or auditory brainstem response threshold), these high-threshold fibers are critical for hearing in noisy environments. Our research suggests that 1) primary neural degeneration is an important contributor to the perceptual handicap in SNHL, and 2) in cases where the hair cells survive, neurotrophin therapies can elicit neurite outgrowth from spiral ganglion neurons and re-establishment of their peripheral synapses. This article is part of a Special Issue entitled .

  9. Measurement of hearing loss due to perforated tympanic membrane using image processing techniques

    Science.gov (United States)

    Sardesai, Neha; Sardesai, Ravindra; Chang, Chein-I.

    2014-05-01

    The tympanic membrane (ear drum) is a thin tissue film that is stretched between the outer and middle ear. Sound waves travel from outside the ear, and strike the tympanic membrane resulting in its vibration. These vibrations amplify the sound waves and transmit them to the ossicles (auditory bones). The magnitude of amplification is directly proportional to vibrating area of tympanic membrane. Hence a perforation in this membrane would result in hearing loss. Pure-tone audiometry is the traditional procedure used to detect the amount of hearing loss in a patient. However, it is lengthy and less efficient, as it largely depends on the response of the patient to sound intensity and frequency of pure-tones. We present a relatively more efficient approach to determine hearing loss due to perforated tympanic membrane using image processing techniques. We describe an algorithm that uses unsharp masking to sharpen images of the perforations as well as the tympanic membrane. Then, it converts the image into a binary image using thresholding. A median filter is applied to get rid of the noise component in the image. The ratio of the area of perforation and total area of tympanic membrane will define the percentage of hearing loss. Our approach will eliminate the error introduced due to patient dependency as in the traditional method.

  10. Quality of life measures in otitis media.

    Science.gov (United States)

    Maile, E J; Youngs, R

    2013-05-01

    Disabling hearing impairment is the world's most common disability. Traditionally, hearing levels measured by pure tone audiometry have been used to define and quantify hearing loss. The effects of disabling hearing loss on patients' quality of life can be profound, and audiometric data alone may not correlate with quality of life measures. Generic measures of quality of life can be used to compare different diseases, and as such are useful in resource allocation and burden of disease studies. Their disadvantage is that they are not disease-specific and can therefore under-estimate the effects of a disease on patients' quality of life. Disease-specific measures are more sensitive. In chronic otitis media, additional factors such as discharge augment the effect of hearing loss alone on quality of life. Many of the quality of life measures developed for chronic otitis media have been used to assess improvement following reconstructive surgery. Quality of life measures have also been used to assess the effect of paediatric otitis media. Quality of life measures also have utility in the developing world, where hearing impairment is a huge burden.

  11. Brainstem auditory evoked potentials in children with lead exposure

    Directory of Open Access Journals (Sweden)

    Katia de Freitas Alvarenga

    2015-02-01

    Full Text Available Introduction: Earlier studies have demonstrated an auditory effect of lead exposure in children, but information on the effects of low chronic exposures needs to be further elucidated. Objective: To investigate the effect of low chronic exposures of the auditory system in children with a history of low blood lead levels, using an auditory electrophysiological test. Methods: Contemporary cross-sectional cohort. Study participants underwent tympanometry, pure tone and speech audiometry, transient evoked otoacoustic emissions, and brainstem auditory evoked potentials, with blood lead monitoring over a period of 35.5 months. The study included 130 children, with ages ranging from 18 months to 14 years, 5 months (mean age 6 years, 8 months ± 3 years, 2 months. Results: The mean time-integrated cumulative blood lead index was 12 µg/dL (SD ± 5.7, range:2.433. All participants had hearing thresholds equal to or below 20 dBHL and normal amplitudes of transient evoked otoacoustic emissions. No association was found between the absolute latencies of waves I, III, and V, the interpeak latencies I-III, III-V, and I-V, and the cumulative lead values. Conclusion: No evidence of toxic effects from chronic low lead exposures was observed on the auditory function of children living in a lead contaminated area.

  12. A study on early hearing impairment with essential hypertension%原发性高血压患者听觉功能早期损害的临床研究

    Institute of Scientific and Technical Information of China (English)

    张静; 周慧芳; 张耕; 许轶

    2009-01-01

    Objective:To study the characteristic of hearing loss in essential hypertension. Method:Sixty-eight cases (136 ears) of patients with essential hypertension were divided into two groups, i. e. group A, patients without retinal alteriosclerosis (35cases, 70 ears ) and group B, patients with retinal alterioselerosis (33cases, 66 ears ). The control group consisted of 30 cases (60 ears) of the same sex and same age. AH people were measured by pure tone audiometry and distortion product otoacoustic emissions. Result:The pure tone thresholds measured in group B hypertensive patients were significantly higher than in the normal controls (P0. 05). From 1000 to 8 000 Hz , DPOAE amplitudes of hypertensive group A and group B were lower than that in control group(P0.05);高血压A、B组的DPOAE反应幅值下降(P<0.01),仅高血压B组4 000 Hz的DPOAE检出率下降(P<0.05).结论:高血压会影响患者的听觉系统,即使患者主观上无明显的听力下降,但听觉功能可能已出现早期改变.

  13. The relationship between occupational exposure to lead and hearing loss in a cross sectional survey of Iranian workers

    Directory of Open Access Journals (Sweden)

    Masoumeh eGhiasvand

    2016-02-01

    Full Text Available Objectives: Ototoxic effect of exposure to lead has been reported by many researchers to be leading to deafness. This study was undertaken with a view to evaluate the effects of occupational lead exposure on hearing loss in workers in a lead-acid battery manufacturing plant in Tehran, Iran.Methods: In a cross sectional study, 609 male workers were recruited from different locations in the factory. Association between blood lead level (BLL and hearing loss in different frequencies were measured. Logistic regression analysis was used to measure the relationship between exposure to lead and hearing loss. Statistical significance was defined as P-value 40 µg/dl. Mean noise exposure level was 80 dB. High frequency hearing loss (3, 4, 6 and 8 KHz above 25 db in either ear was significantly more prevalent in workers with BLL > 40 µg/dl (Adjusted Odds Ratio =2.66, 95% CI:1.86 -3080, p<0.001 and Adjusted Odds ratio = 1.60, 95% CI: 1.13-2.27, p<0.008 for age and work duration respectively. Conclusion: Health surveillance program should include conservation of hearing program in workers exposed to lead even if the ambient noise level is less than of time weighted average of 85 db A. Periodic Hearing assessment by pure tone audiometry is recommended since it is a relatively simple procedure to identify hearing loss. An early detection will help in prevention of permanent hearing loss.

  14. Salt-inducible kinase 3, SIK3, is a new gene associated with hearing.

    Science.gov (United States)

    Wolber, Lisa E; Girotto, Giorgia; Buniello, Annalisa; Vuckovic, Dragana; Pirastu, Nicola; Lorente-Cánovas, Beatriz; Rudan, Igor; Hayward, Caroline; Polasek, Ozren; Ciullo, Marina; Mangino, Massimo; Steves, Claire; Concas, Maria Pina; Cocca, Massilimiliano; Spector, Tim D; Gasparini, Paolo; Steel, Karen P; Williams, Frances M K

    2014-12-01

    Hearing function is known to be heritable, but few significant and reproducible associations of genetic variants have been identified to date in the adult population. In this study, genome-wide association results of hearing function from the G-EAR consortium and TwinsUK were used for meta-analysis. Hearing ability in eight population samples of Northern and Southern European ancestry (n = 4591) and the Silk Road (n = 348) was measured using pure-tone audiometry and summarized using principal component (PC) analysis. Genome-wide association analyses for PC1-3 were conducted separately in each sample assuming an additive model adjusted for age, sex and relatedness of subjects. Meta-analysis was performed using 2.3 million single-nucleotide polymorphisms (SNPs) tested against each of the three PCs of hearing ability in 4939 individuals. A single SNP lying in intron 6 of the salt-inducible kinase 3 (SIK3) gene was found to be associated with hearing PC2 (P = 3.7×10(-8)) and further supported by whole-genome sequence in a subset. To determine the relevance of this gene in the ear, expression of the Sik3 protein was studied in mouse cochlea of different ages. Sik3 was expressed in murine hair cells during early development and in cells of the spiral ganglion during early development and adulthood. Our results suggest a developmental role of Sik3 in hearing and may be required for the maintenance of adult auditory function.

  15. Oral use of Streptococcus salivarius K12 in children with secretory otitis media: preliminary results of a pilot, uncontrolled study.

    Science.gov (United States)

    Di Pierro, Francesco; Di Pasquale, Daniele; Di Cicco, Maurizio

    2015-01-01

    Secretory otitis media (SOM) remains a common disease among children. Although its cause is not yet perfectly established, the pathology, often a sequel of acute otitis media (AOM), is mainly characterized by persistent fluid in the middle ear cavity. Twenty-two children with a diagnosis of SOM were treated daily for 90 days with an oral formulation containing the oral probiotic Streptococcus salivarius K12 (Bactoblis(®)). After treatment, the children were evaluated for AOM episodes and subjected to tone audiometry, tympanometry, endonasal endoscopy, otoscopy, and tonsillar examination. Subject compliance and probiotic tolerability and side effects have also been evaluated. Our results indicate a good safety profile, a substantial reduction of AOM episodes, and a positive outcome from the treatment for all of the clinical outcomes tested. We conclude that strain K12 may have a role in reducing the occurrence and/or severity of SOM in children. From our perspective, this study constitutes a starting point toward the organization of a more extensive placebo-controlled study aimed at critically appraising our preliminary observations. PMID:26396541

  16. Prevalence of hearing impairment in elderly patients referred to the audiology service in Manaus, Amazon

    Directory of Open Access Journals (Sweden)

    Karla Geovanna Moraes Crispim

    2012-12-01

    Full Text Available Objective: To describe the audiological findings (type, audiometric configuration, degree of hearing loss and its association with gender and age in subjects aged over 60 years, treated at outpatient clinic of specialties of Manaus. Methods: A cross-sectional epidemiological descriptive study conducted with the universe of elderly who underwent audiometry from January to December 2010, with a total of 574 subjects. To classify the type, degree and configuration of hearing loss, we used the criteria adopted by Santos & Russo, Davis & Silverman and Silman & Silverman, respectively. Statistical analysis was performed using measures of central tendency, dispersion and frequency distributions. To check for statistically significant differences, we used the chi-square test, with a significance level of 5% (p ≤ 0.05. Results: The prevalence of 94.4% (n = 542 of hearing loss, sensorineural predominantly (85.5%, n = 491 and mild (60%, n = 188 in females and degree moderate or greater in males (50%, n = 130, downward sloping (54.2%, n = 311 in both sexes. The percentage of normality was low, with 261 (3.4% for men and 313 (7.3% for women. Conclusion: The prevalence of hearing loss increased with age, being equal to 100% in individuals 80 years or older, and men have the worst hearing thresholds. There is need for greater awareness about hearing loss in the elderly, needing additional population-based and multicentric studies in order to support public policies.

  17. Oral use of Streptococcus salivarius K12 in children with secretory otitis media: preliminary results of a pilot, uncontrolled study

    Science.gov (United States)

    Di Pierro, Francesco; Di Pasquale, Daniele; Di Cicco, Maurizio

    2015-01-01

    Secretory otitis media (SOM) remains a common disease among children. Although its cause is not yet perfectly established, the pathology, often a sequel of acute otitis media (AOM), is mainly characterized by persistent fluid in the middle ear cavity. Twenty-two children with a diagnosis of SOM were treated daily for 90 days with an oral formulation containing the oral probiotic Streptococcus salivarius K12 (Bactoblis®). After treatment, the children were evaluated for AOM episodes and subjected to tone audiometry, tympanometry, endonasal endoscopy, otoscopy, and tonsillar examination. Subject compliance and probiotic tolerability and side effects have also been evaluated. Our results indicate a good safety profile, a substantial reduction of AOM episodes, and a positive outcome from the treatment for all of the clinical outcomes tested. We conclude that strain K12 may have a role in reducing the occurrence and/or severity of SOM in children. From our perspective, this study constitutes a starting point toward the organization of a more extensive placebo-controlled study aimed at critically appraising our preliminary observations. PMID:26396541

  18. Congenital cholesteatoma of the infratemporal fossa with congenital aural atresia and mastoiditis: a case report

    Directory of Open Access Journals (Sweden)

    Abdel-Aziz Mosaad

    2012-06-01

    Full Text Available Abstract Background Congenital cholesteatoma may be expected in abnormally developed ear, it may cause bony erosion of the middle ear cleft and extend to the infratemporal fossa. We present the first case of congenital cholesteatoma of the infratemporal fossa in a patient with congenital aural atresia that has been complicated with acute mastoiditis. Case presentation A sixteen year old Egyptian male patient presented with congenital cholesteatoma of the infratemporal fossa with congenital aural atresia complicated with acute mastoiditis. Two weeks earlier, the patient suffered pain necessitating hospital admission, magnetic resonance imaging revealed a soft tissue mass in the right infratemporal fossa. On presentation to our institute, Computerized tomography was done as a routine, it proved the diagnosis of mastoiditis, pure tone audiometry showed an air-bone gap of 60 dB. Cortical mastoidectomy was done for treatment of mastoiditis, removal of congenital cholesteatoma was carried out with reconstruction of external auditory canal. Follow-up of the patient for 2 years and 3 months showed a patent, infection free external auditory canal with an air-bone gap has been reduced to 35db. One year after the operation; MRI was done and it showed no residual or recurrent cholesteatoma. Conclusions Congenital cholesteatoma of the infratemporal fossa in cases of congenital aural atresia can be managed safely even if it was associated with mastoiditis. It is an original case report of interest to the speciality of otolaryngology.

  19. Repair of chronic tympanic membrane perforations using applications of hyaluronan or rice paper prostheses.

    Science.gov (United States)

    Laurent, C; Söderberg, O; Anniko, M; Hartwig, S

    1991-01-01

    A controlled randomized study was performed in 60 patients with 64 chronic, dry tympanic membrane (TM) perforations. The perforations were randomly allocated to either resection of the perforation rim and instillation of 1% hyaluronan (Healon; HYA) in the perforation gap once daily for 7 days (33 ears) or resection of the perforation margin and application of a sterile rice paper prosthesis (31 ears). The treatment effect was documented by TM photography and morphometric measurements of the perforation area. The hearing was assessed with puretone and high-frequency audiometry. After 2 months, 5 of the HYA-treated perforations (15%) and 4 of the rice-paper-treated TMs (13%) were healed. After 1 year, 18 perforations (9 in each treatment group) were healed. In neither group were there any persistent adverse effects on hearing. It is noteworthy that 28% (18/64) of the chronic, long-standing TM perforations could be repaired by these technically simple and time-saving methods. Both procedures should be considered as easy first-choice alternatives to myringoplasty in selected cases. PMID:2008293

  20. Audiological assessment modalities in children with multiple handicaps and parents′ perception

    Directory of Open Access Journals (Sweden)

    Noorain Alam

    2014-01-01

    Full Text Available Aim: Children with multiple disabilities have combination of various disabilities. Accurate hearing evaluation is difficult in this population. Audiologists, generally employ a test battery approach, which includes combining findings of parent impression with behavior observation audiometry (BOA as well as auditory brainstem evoked responses (ABR findings. This study was carried out to find if there exists a correlation among various steps in the test battery for children with multiple handicaps as well as to find out, which disability is the most common among this population. Methodology: A total of 103 numbers of children with multiple handicaps were chosen at random who were referred to C U Shah Institute of Audiology and Speech Therapy for audiological assessment. The three steps involved in assessment that is parental impression, BOA and ABR findings were taken into account. The relationship was obtained using data analysis. Results: It was found that among children with multiple handicaps referred for audiological assessment, mental retardation was the most common (32.03%. Furthermore, it was found that there were more contradictory findings between parent impression and ABR (48% when compared with parent impression with BOA (38%. In between BOA and ABR contradictory findings were found in 41% of cases. Conclusion: There are wide contradictions among various steps involved in assessment of children with multiple handicaps. Implication: Audiologist should use a test battery approach to assess hearing ability of this population and audiologists should interpret findings carefully at each level.

  1. Safety of the HyperSound® Audio System in Subjects with Normal Hearing.

    Science.gov (United States)

    Mehta, Ritvik P; Mattson, Sara L; Kappus, Brian A; Seitzman, Robin L

    2015-06-11

    The objective of the study was to assess the safety of the HyperSound® Audio System (HSS), a novel audio system using ultrasound technology, in normal hearing subjects under normal use conditions; we considered pre-exposure and post-exposure test design. We investigated primary and secondary outcome measures: i) temporary threshold shift (TTS), defined as >10 dB shift in pure tone air conduction thresholds and/or a decrement in distortion product otoacoustic emissions (DPOAEs) >10 dB at two or more frequencies; ii) presence of new-onset otologic symptoms after exposure. Twenty adult subjects with normal hearing underwent a pre-exposure assessment (pure tone air conduction audiometry, tympanometry, DPOAEs and otologic symptoms questionnaire) followed by exposure to a 2-h movie with sound delivered through the HSS emitter followed by a post-exposure assessment. No TTS or new-onset otological symptoms were identified. HSS demonstrates excellent safety in normal hearing subjects under normal use conditions. PMID:26779330

  2. Safety of the HyperSound® Audio System in subjects with normal hearing

    Directory of Open Access Journals (Sweden)

    Ritvik P. Mehta

    2015-11-01

    Full Text Available The objective of the study was to assess the safety of the HyperSound® Audio System (HSS, a novel audio system using ultrasound technology, in normal hearing subjects under normal use conditions; we considered preexposure and post-exposure test design. We investigated primary and secondary outcome measures: i temporary threshold shift (TTS, defined as >10 dB shift in pure tone air conduction thresholds and/or a decrement in distortion product otoacoustic emissions (DPOAEs >10 dB at two or more frequencies; ii presence of new-onset otologic symptoms after exposure. Twenty adult subjects with normal hearing underwent a pre-exposure assessment (pure tone air conduction audiometry, tympanometry, DPOAEs and otologic symptoms questionnaire followed by exposure to a 2-h movie with sound delivered through the HSS emitter followed by a post-exposure assessment. No TTS or new-onset otological symptoms were identified. HSS demonstrates excellent safety in normal hearing subjects under normal use conditions.

  3. Brazilian young adults and noise: attitudes, habits, and audiological characteristics.

    Science.gov (United States)

    Zocoli, Angela Maria Fontana; Morata, Thais Catalani; Marques, Jair Mendes; Corteletti, Lilian Jacob

    2009-01-01

    The objective of this study was to examine behaviors and attitudes of Brazilian teenagers towards noise, and determine their audiological characteristics. Participants were 245 young persons (14 to 18 years old) who attended private school. Behaviors and attitudes were measured using the validated Portuguese version of the Youth Attitude to Noise Scale (YANS). Pure-tone audiometry was used to evaluate the hearing of a sub-sample of 24 participants. Music played through personal media players was the most common exposure reported. A substantial percentage of participants reported temporary tinnitus (69%) after attending discos, music concerts, and listening to music through headphones. Tinnitus complaints were more frequent among females (41%) than males (27%). Four participants (1.6%) reported use of a hearing protector. Among a subsample of 24 participants, two (8%) young women had bilateral audiometric notches. YANS scores in the present study were slightly lower than those obtained in Sweden and the US, indicating a more negative attitude towards noise. Gender, age, country, and/or region are variables that will influence exposure to noise or music and possibly hearing outcomes. PMID:19863355

  4. Fitness for Work Evaluation of Firefighters in Tehran

    Directory of Open Access Journals (Sweden)

    Ramin Mehrdad

    2013-04-01

    Full Text Available Firefighting is extremely strenuous and physically demanding work and involves ability to cope with emergency life-or-death situations. Because of the high physical demands of firefighting, successful job performance and minimizing of morbidity and mortality depends on fitness for duty. The firefighting department of Tehran does not perform periodic medical assessment for firefighters. The aim of this study was to evaluate medical fitness among firefighters in Tehran. In this cross sectional study we examined 147 firefighters. Medical and occupational history obtained by interview, then we performed physical examination, blood tests, ECG, spirometry and audiometry. Then results compared with guidelines for firefighters in the USA, Australia and the United Kingdom. Seven percent of our participants had a kind of pulmonary dysfunction and 25% had some degrees of hearing loss. A considerable percent of them had modifiable coronary heart disease risk factors. Thirteen participitants were unfit for this job that among them; ten firefighters were unfit based on vision capability, one case due to hypertention and two cases because of pulmonary dysfunction. Because of hazardouse nature of firefighting; preplacement, periodic medical evaluations and assesment of fitness for firefighters in Iran is highly recommended. Establishment of fitness criteria for firefighters in Iran is necessery to perform assigned functions safely.

  5. Audio Linguistic Disorders in Autistic Children

    International Nuclear Information System (INIS)

    Objective: To explore auditory function abnormalities and language disorder in autistic children. Twelve children with criteria of infantile autism were tested using Pure Tone Audiometry (PTA), Immitancemetry, Transient Evoked Otoacoustic Emission Test (TEOAE), Auditory Brainstem Response (ABR), Standardized Arabic Test of Early Language Development (for both receptive and expressive language). For comparison twlive normal children were chosen as control group. Statistically significant increase in hearing threshold level for the autistic children at low frequency region 250, 500 and 1000 Hz, significant reduction of the amplitude of TEOAE test and significant increase in wave I and V latency and I-V inter-peak latency at both RR 21.2 and 51.2 msec when compared to the control group. A positive correlation was found in this study between the changes in ABR latency and the severity of verbal disability. These resuts leed to the conclusion that Auditory dysfunction in autistic children can be verified through the presence of cochlear involvement and a delay in the brain stem transmission time in those patients. Disturbed verbal communication can be due to dysfunction in the auditory processing mechanisms

  6. Results of the implantation of bone-anchored hearing aids in patients with treacher-collins syndrome

    Directory of Open Access Journals (Sweden)

    Alexandra Kolontai de Sousa Oliveira1

    2013-04-01

    Full Text Available Introduction: Treacher-Collins syndrome is characterized by craniofacial malformations, narrowing of the external auditory canal (EAC, and, in 30% of cases, agenesis of the canal and ossicular chain defects. The use of hearing aids (HA is not possible in cases in which agenesis or stenosis of the EAC accompanies conductive deafness. In contrast, bone conduction implants such as the Bone Anchored Hearing Aid (BAHA® allow direct stimulation of the cochlea and are thus superior to conventional hearing aids in cases of severe conductive hearing loss. Objective: To present 2 cases of patients with Treacher-Collins syndrome who underwent implantation of BAHA®. Cases Reports: The first patient was a 52-year-old woman diagnosed with Treacher-Collins syndrome who presented with severe bilateral mixed hearing loss and a history of unsuccessful previous use of a bone contact conduction device. The BAHA® implantation was uneventful, and the post-operative results were good. The second patient was a 14-year-old girl who was also diagnosed with Treacher-Collins Syndrome with bilateral moderate conductive hearing loss by audiometry. The use of a bone vibrator contact device did not improve her hearing; however, implantation of a BAHA® resulted in a decreased gap postoperatively. Final comments: BAHA® hearing devices provide adequate rehabilitation and consequent improvement of the quality of life in patients with Treacher-Collins syndrome.

  7. Audiogram of a formerly stranded long-finned pilot whale (Globicephala melas) measured using auditory evoked potentials.

    Science.gov (United States)

    Pacini, A F; Nachtigall, P E; Kloepper, L N; Linnenschmidt, M; Sogorb, A; Matias, S

    2010-09-15

    Long-finned pilot whales are highly social odontocetes found in temperate and subpolar regions. This species is particularly known for its interaction with fisheries as well as its mass strandings. Recent tagging work has provided some information about pilot whales in the wild but, even though they have been successfully kept in captivity, little is known about their sensory capabilities. This study investigates the hearing abilities of a rehabilitated 2 year old male long-finned pilot whale. A complete audiogram was collected using auditory evoked potential techniques that included measurements of nine frequencies from 4 to 100 kHz presented as sinusoidally amplitude-modulated tones. The results indicated that the region of best hearing was between 11.2 and 50 kHz and the subject had relatively poor high frequency hearing compared with other odontocete species. This study emphasizes the importance of collecting basic hearing measurements from new species, understanding diagnostic life histories as well as continuously increasing the sample size of audiometry measurements within and between odontocete species as animals become available. PMID:20802115

  8. The influence of music and stress on musicians' hearing

    Science.gov (United States)

    Kähäri, Kim; Zachau, Gunilla; Eklöf, Mats; Möller, Claes

    2004-10-01

    Hearing and hearing disorders among classical and rock/jazz musicians was investigated. Pure tone audiometry was done in 140 classical and 139 rock/jazz musicians. The rock/jazz musicians answered a questionnaire concerning hearing disorders and psychosocial exposure. All results were compared to age appropriate reference materials. Hearing thresholds showed a notch configuration in both classical and rock/jazz musicians indicating the inclusion of high sound levels but an overall well-preserved hearing thresholds. Female musicians had significantly better hearing thresholds in the high-frequency area than males. Rock/jazz musicians showed slight worse hearing thresholds as compared to classical musicians. When assessing hearing disorders, a large number of rock/jazz musicians suffered from different hearing disorders (74%). Hearing loss, tinnitus and hyperacusis were the most common disorders and were significantly more frequent in comparison with different reference populations. Among classical musicians, no extended negative progress of the pure tone hearing threshold values was found in spite of the continued 16 years of musical noise exposure. In rock/jazz musicians, there was no relationships between psychosocial factors at work and hearing disorders. The rock/jazz musicians reported low stress and high degree of energy. On the average, the rock/jazz musicians reported higher control, lower stress and higher energy than a reference material of white-collar workers.

  9. Síndrome de Kartagener: relato de caso Kartagener Syndrome: a case report

    Directory of Open Access Journals (Sweden)

    Rubem C. Swensson

    2003-12-01

    Full Text Available A Síndrome de Kartagener é causada por uma doença autossômica recessiva rara, que apresenta uma tríade composta por pansinusite crônica, bronquiectasia e situs inversus com dextrocardia. A incidência desta desordem genética é estimada em 1/25.000. Nosso objetivo é, neste trabalho, aduzir dados novos àqueles que pesquisam o assunto, para que estejam atentos, acompanhando os pacientes e esperando o aparecimento eventual desta malformação. Foram realizadas tomografias computadorizadas do tórax, abdome e crânio, além da tomografia computadorizada de alta resolução do tórax, audiometria, imitanciometria e vídeo-naso-fibroscopia.The Kartagener Syndrome is a rare recessive autossomical disease including the triad: chronical sinusitis, bronchiectasis and situs inversus with dextrocardia. The incidence of this genetical disorder is estimated about 1/25,000. Our purpose in this case report is to include new informations for who search about this syndrome. Tomography of chest, abomen and cranium, audiometry, impedance and nasopharyngoscopy were done.

  10. Speech-language pathology findings in patients with mouth breathing: multidisciplinary diagnosis according to etiology.

    Science.gov (United States)

    Junqueira, Patrícia; Marchesan, Irene Queiroz; de Oliveira, Luciana Regina; Ciccone, Emílio; Haddad, Leonardo; Rizzo, Maria Cândida

    2010-11-01

    The purpose of this study was to identify and compare the results of the findings from speech-language pathology evaluations for orofacial function including tongue and lip rest postures, tonus, articulation and speech, voice and language, chewing, and deglutition in children who had a history of mouth breathing. The diagnoses for mouth breathing included: allergic rhinitis, adenoidal hypertrophy, allergic rhinitis with adenoidal hypertrophy; and/or functional mouth breathing. This study was conducted with on 414 subjects of both genders, from 2 to 16-years old. A team consisting of 3 speech-language pathologists, 1 pediatrician, 1 allergist, and 1 otolaryngologist, evaluated the patients. Multidisciplinary clinical examinations were carried out (complete blood counting, X-rays, nasofibroscopy, audiometry). The two most commonly found etiologies were allergic rhinitis, followed by functional mouth breathing. Of the 414 patients in the study, 346 received a speech-language pathology evaluation. The most prevalent finding in this group of 346 subjects was the presence of orofacial myofunctional disorders. The most frequently orofacial myofunctional disorder identified in these subjects who also presented mouth breathing included: habitual open lips rest posture, low and forward tongue rest posture and lack of adequate muscle tone. There were also no statistically significant relationships identified between etiology and speech-language diagnosis. Therefore, the specific type of etiology of mouth breathing does not appear to contribute to the presence, type, or number of speech-language findings which may result from mouth breathing behavior.

  11. SUBJECTIVE TINNITUS AS FIRST PRESENTATION IN A PATIENT WITH METASTATIC LUNG CANCER IN TEMPORAL BONE-A CASE REPORT

    Institute of Scientific and Technical Information of China (English)

    ZHANG Jing; WANG Hongtian; JIA Jingjie; XIAO Yueyong; SHI Huaiyin; YANG Weiyan

    2013-01-01

    Metastasis of lung cancer to the temporal bone is a very rare disease and subjective tinnitus as the present-ing symptom in these patients is even rarer. Here we report a case in which a 42-year-old male presented with subjective tinnitus of three months, with no pulmonary disease symptoms. Pure tone audiometry indi-cated moderate conductive deafness in left ear with an air-bone gap of 21.3 dB. HRCT temporal bone scan-ning indicated high-density shadows in the left epitympanic cavity, sinus tympani and mastoid cavity. Chron-ic otitis media with cholesteatoma was suspected and surgical treatment recommended. However, preopera-tive chest x-ray revealed high-density millet lesions scattered widely in both lungs. HRCT lung scanning confirmed the lungs lesions and indicated lung cancer. In order to determine correlations between the tempo-ral bone and pulmonary lesions, a CT-guided trans-mastoid aspiration biopsy and immunohistochemical study were conducted, which confirmed that the temporal bone lesion was metastatic from the lungs. The pa-tient was given a series of chemotherapy immediately and his tinnitus significantly improved after three months of treatment, with full recovery of his hearing and complete resolution of shadows in the mastoid cavity. Unfortunately, he subsequently developed multiple bone metastases in the 9th month and cerebral metastasis in the 18th month. Multiple organ failure resulted in death in 2.5 years.

  12. Aspectos fonoaudiológicos na síndrome de Crouzon: estudo de caso Speech-language aspects on Crouzon syndrome: case study

    Directory of Open Access Journals (Sweden)

    Isabela Gomes

    2008-01-01

    hearing assessments of a case of Crouzon syndrome at the age 6:4 years. PROCEDURE: the subject carried out the following evaluations: ABFW, Test of Receptive Vocabulary, Language-Cognition Development Evaluation, Evaluation of Structures and Functions of the Stomatognathic System, pure-tone audiometry threshold, immitance measures and vocal audiometry. RESULTS: the pure-tone audiometry identified bilateral moderate conductive hearing loss, compatible with vocal audiometry's and immitance measures' results. The stomatognathic system evaluation showed that the structures had reduced tonus and altered posture and mobility. Suction, chewing, deglutition and breathing functions were also altered. Phonologically, the following processes were identified: Cluster Simplification, Stopping of Fricatives and Others. In the Fluency evaluation, subject's performance was below the expected scores for matched age and gender. In the Pragmatics test, the child had 14.4 acts per minute and, predominantly, gestural communication. The Receptive Vocabulary Test showed scores 7.1% below reference. In the Expressive Vocabulary Test, data indicated a performance compatible to the reference values of 4 and 5 year-old children, below the expected scores for the subject's age. Regarding language and cognition, the analysis indicated a gap between the child's performance and the developmental level. CONCLUSION: the deficits caused by the syndrome are diffuse and interconnected. The present study had the aim to present the Speech-Language and Hearing Pathology associated aspects of a Crouzon syndrome case and to provide initial data to further investigate these aspects and the intervention process.

  13. Hearing and loud music exposure in 14-15 years old adolescents

    Directory of Open Access Journals (Sweden)

    Mario R Serra

    2014-01-01

    The participants consisted in 172 14-15 years old adolescents from a technical high school. Conventional and extended high frequency audiometry, transient evoked otoacoustic emissions and questionnaire on recreational habits were administered. Hearing threshold levels (HTLs were classified as: normal (Group 1, slightly shifted (Group 2, and significantly shifted (Group 3. The musical general exposure (MGE, from participation in recreational musical activities, was categorized in low, moderate, and high exposure. The results revealed an increase of HTL in Group 2 compared with Group 1 (P < 0.01, in Group 3 compared with Group 2 (P < 0.05 only in extended high frequency range, in Group 3 compared with Group 1 (P < 0.01. Besides, a decrease in mean global amplitude, reproducibility and in frequencies amplitude in Group 2 compared with Group 1 (P < 0.05 and in Group 3 compared with Group 1 (P < 0.05. A significant difference (P < 0.05 was found in Group 1′s HTL between low and high exposure, showing higher HTL in high exposure. The sound immission measured in nightclubs (107.8-112.2 dBA and PMPs (82.9-104.6 dBA revealed sound levels risky for hearing health according to exposure times. It demonstrates the need to implement preventive and hearing health promoting actions in adolescents.

  14. Audiological Results and Quality of Life of Sophono Alpha 2 Transcutaneous Bone-Anchored Implant Users in Single-Sided Deafness.

    Science.gov (United States)

    Bernardeschi, Daniele; Russo, Francesca Yoshie; Nguyen, Yann; Vicault, Eric; Flament, Jonathan; Bernou, Deborah; Sterkers, Olivier; Mosnier, Isabelle

    2016-01-01

    Single-sided deafness (SSD) represents one of the most difficult audiological conditions to rehabilitate. The aim of this prospective study was to evaluate the audiological benefits and quality of life of patients affected by SSD who had previously been users of the Alpha 1® when upgrading them to the Sophono Alpha 2® external processor (Boulder, Colo., USA). Nine patients were included in the study. They underwent physical examination, free-field speech audiometry at 40 and 60 dB, a hearing-in-noise test (Hirsch's test and the squelch test), the Glasgow Benefit Inventory (GBI) questionnaire, and a specific questionnaire on patient satisfaction with Alpha 1. Afterwards, the Alpha 2 external processor was delivered to all patients, and the above-mentioned protocol was repeated after 1 month with the Alpha 2. A statistically significant improvement was found in the speech discrimination score at 40 dB and in the squelch test when using the Alpha 2 external processor compared to the Alpha 1. Alpha 2 had a good clinical tolerance and gave similar results in the specific questionnaire and the GBI to Alpha 1. In conclusion, the new Alpha 2 external processor represents a safe and effective device for the rehabilitation of SSD, and there is an audiological benefit to upgrading to the Alpha 2 external processor for patients who had previously been users of the Alpha 1. The improvement in quality of life is similar to that with other bone-anchored hearing devices. PMID:27159973

  15. Music and its Impact on Musicians in Broadcasting Company

    Directory of Open Access Journals (Sweden)

    Mina Milani

    1999-03-01

    Full Text Available Sound is an inseparable part of human life and provides us with lovely experiences such as listening to music. Musicians from classical orchestras to rock groups are exposed to high decibel of sounds. Musicians playing percussion musical instruments are exposed to high level of impact noise and players of Brass musical instruments are highly exposed to noise peaks higher than 100dB. Woodwind players are enduring the risk of posing directly in front of Brass players. Based on the above-mentioned risks for hearing loss clinical consideration of noise induced hearing loss in musicians is highly required. In the current study we were aimed at examining hearing stratus of classic and traditional musicians by means of pure tone audiometry in Islamic Republic of Iran Broadcasting. 33 subjects were evaluated aged between 22 to 59 years old. Their musical experience was variable between 6 to 45 years. The study demonstrated that most of the musicians in this study suffered bilateral high frequency hearing loss with a notch in the frequency range of 4-8 KHz.

  16. Role of Platelet Parameters on Sudden Sensorineural Hearing Loss: A Case-Control Study in Iran.

    Directory of Open Access Journals (Sweden)

    Abbas Mirvakili

    Full Text Available Sudden sensorineural hearing loss (SSNHL is a common otological disorder characterized by a hearing loss greater than 30 dB over three consecutive frequencies, in less than 72 hours. It has been established that platelet parameters, such as mean platelet volume, are associated with ischemic heart events, whose clinical manifestations are similar to those of SSNHL. Hence, we aimed to determine if the platelet count, mean platelet volume and platelet distribution width are related to the occurrence and severity of sudden sensorineural hearing loss. A case-control prospective study was conducted in a teaching hospital in Iran. One hundred-eight patients with SSNHL and an equal number of healthy, age- and sex-matched controls were enrolled in the study. Peripheral venous blood samples were collected from the subjects, and the platelet count, mean platelet volume and platelet distribution width were measured with an automated blood cell counter. Analysis of the audiometry and hematological test results using SPSS22 software showed no statistical correlation between the platelet parameters and the occurrence of SSNHL, but correlation coefficients showed a significant correlation between PDW and hearing loss severity in patients group. However, further investigation is required to unequivocally establish the absence of correlation between the platelet parameters and occurrence of SSNHL.

  17. The Treatment of Idiopathic Sudden Sensorineural Hearing Loss Using Phle-botomy: A Prospective, Randomized, Double-Blind Clinical Trial

    Directory of Open Access Journals (Sweden)

    Mohammad Taghi Goodarzi

    2009-12-01

    Full Text Available This randomized clinical trial aimed to assess the efficacy of phlebotomy on improvement of hearing loss. 71 patients with sudden sensorineural hearing loss were enrolled in this randomized clinical trial study. They were divided into two groups: group A received steroid and hydration therapy plus phlebotomy, while group B received the same regimen without phlebotomy. They were matched according to sex, age, Hb, and Htc. Pure tone audiometries were administered to examine the hearing levels before and after treatment. Statistical analysis showed higher improvement in 250-1000 Hz in patients whit phlebotomy (P<0.001. However, there was noticed no significant difference in hearing improvement in 2000-8000 Hz between two methods. The number (% of patients who had improvement was 29(85.3% in phlebotomy group and 21(56.8% in non-phlebotomy group. On the other hand, the number (% of patients who showed no improvement in A and B group was 5(14.7% and 16(43.2%, respectively (P=0.008. Using phlebotomy accompanied by steroid and hydration therapy leads to higher improvement in hearing loss especially in 250-1000 Hz. We think that this method has the ability to achieve better result in the management of patients with SSNHL.

  18. Relationship of the area measurement of the large endolymphatic duct and sac syndrome as well as the clinical symptoms with CT and MR imaging results

    Energy Technology Data Exchange (ETDEWEB)

    Park, Ji Sang; Hong, Hyun Sook; Lee, Jong Sea; Kim, Dae Ho; Lee, Hae Kyung; Yi, Beom Ha; Cha, Jang Gyu; Park, Seong Jin; Kim, Shi Chan [Soonchunhyang University Bucheon Hospital, Bucheon (Korea, Republic of)

    2008-08-15

    To evaluate the CT and MRI findings of the large endolymphatic duct or sac syndrome (LEDS) and its associated anomalies, with clinical features. We retrospectively reviewed the MR and CT images of 52 ears obtained from 26 patients with LEDS. We reviewed the clinical findings, audiology testing, and treatment results. The degree of hearing loss was classified from normal to profound, based on pure tone audiometry. The largest areas were measured at each endolymphatic duct and analyzed to determine whether a correlation exists with the degree of hearing loss. We also analyzed the differences in measurements between CT and MRI findings. All 26 patients had some degree of sensorineural hearing loss, which resulted in 18 ears to undergo a cochlear implantation. One patient was diagnosed with Cornelia de Lange syndrome. Five patients had a sudden hearing loss onset. Ten ears had incomplete cochlear partitions, whereas 28 ears had enlarged vestibules. All patients had severe to profound hearing loss. We found no statistical correlation between the size of the largest area of the endolymphatic duct and the degree of hearing loss. The mean area of the endolymphatic ducts, as per an MRI examination, revealed slightly greater areas than the CT findings, although the differences were not significant. Enlarged vestibules and incomplete partitions of the cochlea were common anomalies associated with LEDS. We found no statistical correlation between the largest area of the endolymphatic duct or sac with the degree of hearing loss.

  19. Science.gov (United States)

    De Vito, A.; Bruschini, L.; Fortunato, S.; Forli, F.

    2016-01-01

    SUMMARY A retrospective chart review was used for 31 patients with sudden, progressive or fluctuating sensorineural hearing loss (SHL) in the only hearing ear who had been consecutively evaluated at the ENT, Audiology and Phoniatrics Unit of the University of Pisa. The group of patients was evaluated with a complete history review, clinical evaluation, imaging exam (MRI, CT), audiologic tests (tone and speech audiometry, tympanometry, study of stapedial reflexes, ABR and otoacoustic emission) evaluation. In order to exclude genetic causes, patients were screened for CX 26 and CX30 mutations and for mitochondrial DNA mutation A1555G. Patients with sudden or rapidly progressive SHL in the only hearing ear were treated with osmotic diuretics and corticosteroids. In patients who did not respond to intravenous therapy we performed intratympanic injections of corticosteroid. Hearing aids were fitted when indicated and patients who developed severe to profound SHL were scheduled for cochlear implant surgery. The aim of this study is to report and discuss the epidemiology, aetiopathogenesis, therapy and clinical characteristic of patients affected by SHL in the only hearing hear and to discuss the issues related to the cochlear implant procedure in some of these patients, with regard to indications, choice of the ear to implant and results. PMID:27196076

  20. Otologic disorders causing dizziness, including surgery for vestibular disorders.

    Science.gov (United States)

    Bertholon, P; Karkas, A

    2016-01-01

    This chapter will focus on vertigo/dizziness due to inner-ear malformations, labyrinthine fistula, otosclerosis, infectious processes, and autoimmune inner-ear disorders. Inner-ear malformation due to dehiscence of the superior semicircular canal is the most recently described inner-ear malformation. Vertigo/dizziness is typically induced by sound and pressure stimuli and can be associated with auditory symptoms (conductive or mixed hearing loss). Labyrinthine fistula, except after surgery for otosclerosis, in the context of trauma or chronic otitis media with cholesteatoma, still remains a challenging disorder due to multiple uncertainties regarding diagnostic and management strategies. Otosclerosis typically manifests with auditory symptoms and conductive or mixed hearing loss on audiometry. Vertigo/dizziness is rare in nonoperated otosclerosis and should draw clinical attention to an inner-ear malformation. Computed tomography scan confirms otosclerosis in most cases and should rule out an inner-ear malformation, avoiding needless middle-ear surgical exploration. Labyrinth involvement after an infectious process is unilateral when it complicates a middle-ear infection but can be bilateral after meningitis. Labyrinth involvement due to an inflammatory disease is a challenging issue, particularly when restricted to the inner ear. The diagnosis relies on the bilateral and rapid aggravation of audiovestibular symptoms that will not respond to conventional therapy but to immunosuppressive drugs. PMID:27638078

  1. Neuronal erythropoietin overexpression protects mice against age-related hearing loss (presbycusis).

    Science.gov (United States)

    Naldi, Arianne Monge; Belfrage, Celina; Jain, Neha; Wei, Eric T; Martorell, Belén Canto; Gassmann, Max; Vogel, Johannes

    2015-12-01

    So far, typical causes of presbycusis such as degeneration of hair cells and/or primary auditory (spiral ganglion) neurons cannot be treated. Because erythropoietin's (Epo) neuroprotective potential has been shown previously, we determined hearing thresholds of juvenile and aged mice overexpressing Epo in neuronal tissues. Behavioral audiometry revealed in contrast to 5 months of age, that 11-month-old Epo-transgenic mice had up to 35 dB lower hearing thresholds between 1.4 and 32 kHz, and at the highest frequencies (50-80 kHz), thresholds could be obtained in aged Epo-transgenic only but not anymore in old C57BL6 control mice. Click-evoked auditory brainstem response showed similar results. Numbers of spiral ganglion neurons in aged C57BL6 but not Epo-transgenic mice were dramatically reduced mainly in the basal turn, the location of high frequencies. In addition, there was a tendency to better preservation of inner and outer hair cells in Epo-transgenic mice. Hence, Epo's known neuroprotective action effectively suppresses the loss of spiral ganglion cells and probably also hair cells and, thus, development of presbycusis in mice. PMID:26364734

  2. Role of Platelet Parameters on Sudden Sensorineural Hearing Loss: A Case-Control Study in Iran.

    Science.gov (United States)

    Mirvakili, Abbas; Dadgarnia, Mohammad Hossein; Baradaranfar, Mohammad Hossein; Atighechi, Saeid; Zand, Vahid; Ansari, Abdollah

    2016-01-01

    Sudden sensorineural hearing loss (SSNHL) is a common otological disorder characterized by a hearing loss greater than 30 dB over three consecutive frequencies, in less than 72 hours. It has been established that platelet parameters, such as mean platelet volume, are associated with ischemic heart events, whose clinical manifestations are similar to those of SSNHL. Hence, we aimed to determine if the platelet count, mean platelet volume and platelet distribution width are related to the occurrence and severity of sudden sensorineural hearing loss. A case-control prospective study was conducted in a teaching hospital in Iran. One hundred-eight patients with SSNHL and an equal number of healthy, age- and sex-matched controls were enrolled in the study. Peripheral venous blood samples were collected from the subjects, and the platelet count, mean platelet volume and platelet distribution width were measured with an automated blood cell counter. Analysis of the audiometry and hematological test results using SPSS22 software showed no statistical correlation between the platelet parameters and the occurrence of SSNHL, but correlation coefficients showed a significant correlation between PDW and hearing loss severity in patients group. However, further investigation is required to unequivocally establish the absence of correlation between the platelet parameters and occurrence of SSNHL.

  3. Idiopathic sensorineural hearing loss in the only hearing ear.

    Science.gov (United States)

    Berrettini, S; De Vito, A; Bruschini, L; Fortunato, S; Forli, F

    2016-04-01

    A retrospective chart review was used for 31 patients with sudden, progressive or fluctuating sensorineural hearing loss (SHL) in the only hearing ear who had been consecutively evaluated at the ENT, Audiology and Phoniatrics Unit of the University of Pisa. The group of patients was evaluated with a complete history review, clinical evaluation, imaging exam (MRI, CT), audiologic tests (tone and speech audiometry, tympanometry, study of stapedial reflexes, ABR and otoacoustic emission) evaluation. In order to exclude genetic causes, patients were screened for CX 26 and CX30 mutations and for mitochondrial DNA mutation A1555G. Patients with sudden or rapidly progressive SHL in the only hearing ear were treated with osmotic diuretics and corticosteroids. In patients who did not respond to intravenous therapy we performed intratympanic injections of corticosteroid. Hearing aids were fitted when indicated and patients who developed severe to profound SHL were scheduled for cochlear implant surgery. The aim of this study is to report and discuss the epidemiology, aetiopathogenesis, therapy and clinical characteristic of patients affected by SHL in the only hearing hear and to discuss the issues related to the cochlear implant procedure in some of these patients, with regard to indications, choice of the ear to implant and results.

  4. INF-α and Ototoxicity

    Directory of Open Access Journals (Sweden)

    Mohammad Reza Sharifian

    2013-01-01

    Full Text Available Introduction. INF-α is a common drug for the treatment of hepatitis B and C. Although a variety of related complications are discussed, possible ototoxic effects of this mediation are not well described. Methods and Materials. In a before-after control study, 24 patients who received INF-α for the treatment of hepatitis B and C and 30 normal controls were included. Subjective and objective ototoxicity evaluations via questionnaire, high frequency audiometry, and measuring transiently evoked otoacoustic emissions (TEOAEs were performed one week before and one month after the prescription of the drug. Results. Subjective hearing complaint, tinnitus, and vertigo were seen in just 3 cases, which was not statistically significant (. In the frequency range of 4000 to 8000 Hz before (9.38 ± 1.0 and 10.7 ± 1.2, resp. and after (17.9 ± 2.6 and 17.6 ± 2.6, resp. one month of treatment, a significant difference ( was detected. Progressive decreases in amplitude of the OAE during TEOAE measurement in 1, 2, and 4 frequencies among 41.66%, 18.75 %, and 43.75% were observed, respectively. The hearing loss was seen more among older and male cases significantly. Conclusion. The results showed ototoxicity of INF-α that may encourage planning hearing monitoring in patients receiving this drug.

  5. Otological findings in pediatric patients with hypogammaglobulinemia.

    Directory of Open Access Journals (Sweden)

    Marzieh Tavakol

    2014-06-01

    Full Text Available The main clinical presentation of patients with primary antibody deficiency (PAD incorporates upper respiratory tract infections comprising otitis media, sinusitis and pneumonia. This study was designed to investigate clinical and paraclinical otological complications in major types of PAD. A cross sectional study was conducted on 55 PAD patients with diagnosis of selective IgA deficiency, common variable immunodeficiency (CVID, X-linked agammaglobulinemia (XLA, and hyper IgM syndrome. All patients underwent otological examinations, audiometry, and auditory brain stem response. Otological complications were detected in 54.5% of PAD patients. Conductive hearing loss was the main finding amongst PID patients (73.3% followed by sensorineural hearing loss which was present in 8 cases. Otitis media with effusion (21.8%, chronic otitis media (27.2%, tympanosclerosis with intact tympanic membrane (5.4% and auditory neuropathy (3.6% were most important found complications. CVID and XLA patients with prophylactic usage of antibiotics had lower rate of audiological complications (p=0.04 and otitis media with effusion (p=0.027. As our results showed, asymptomatic otological findings were not rare in PAD patients; therefore, a systematic otological investigation is recommended as an integral part of the management and follow-up of these patients.

  6. Children with chronic lung diseases have cognitive dysfunction as assessed by event-related potential (auditory P300) and Stanford-Binet IQ (SB-IV) test.

    Science.gov (United States)

    Kamel, Terez Boshra; Abd Elmonaem, Mahmoud Tarek; Khalil, Lobna Hamed; Goda, Mona Hamdy; Sanyelbhaa, Hossam; Ramzy, Mourad Alfy

    2016-10-01

    Chronic lung disease (CLD) in children represents a heterogeneous group of many clinico-pathological entities with risk of adverse impact of chronic or intermittent hypoxia. So far, few researchers have investigated the cognitive function in these children, and the role of auditory P300 in the assessment of their cognitive function has not been investigated yet. This study was designed to assess the cognitive functions among schoolchildren with different chronic pulmonary diseases using both auditory P300 and Stanford-Binet test. This cross-sectional study included 40 school-aged children who were suffering from chronic chest troubles other than asthma and 30 healthy children of similar age, gender and socioeconomic state as a control group. All subjects were evaluated through clinical examination, radiological evaluation and spirometry. Audiological evaluation included (basic otological examination, pure-tone, speech audiometry and immittancemetry). Cognitive function was assessed by auditory P300 and psychological evaluation using Stanford-Binet test (4th edition). Children with chronic lung diseases had significantly lower anthropometric measures compared to healthy controls. They had statistically significant lower IQ scores and delayed P300 latencies denoting lower cognitive abilities. Cognitive dysfunction correlated to severity of disease. P300 latencies were prolonged among hypoxic patients. Cognitive deficits in children with different chronic lung diseases were best detected using both Stanford-Binet test and auditory P300. P300 is an easy objective tool. P300 is affected early with hypoxia and could alarm subtle cognitive dysfunction. PMID:27075686

  7. The Effect of Music on Hearing of String Musicians

    Directory of Open Access Journals (Sweden)

    Parisa Mirhaj

    2006-12-01

    Full Text Available Background and Aim: Hearing sensitivity is so vital for musicians as loud music can cause hearing loss. The aim of this study was to assess hearing sensitivity of musicians in order to determine the effects of music exposure on hearing organ. Materials and Methods: This case-control study was conducted on 15 string musicians with musicianship history of more than 10 years and 15 normal hearing subjects. They all were male and 20-30 years old. TEOAE and DPOAE performed and after otoscopy, immittance and pure tone audiometry in octave frequencies between 250 to 16000 Hz. Results: There is not significant difference between pure tone thresholds of two groups for all frequencies. A significant difference of TEOAE is found between two groups for total response and amplitudes of TEOAE .DPOAE amplitudes are not significantly different between two groups. Conclusion: Musicianship may affect TEOAE amplitudes , but cannot affect results of PTA and DPOAE. Therefore this can be useful to detect cochlear lesions secondary to music exposure and also as a tool in hearing protection program.

  8. The effects of tympanoplasty through mastoidectomy treatment of 30 cases with otitis media with cholesteatoma%乳突根治鼓室成形术治疗胆脂瘤型中耳炎30例疗效分析

    Institute of Scientific and Technical Information of China (English)

    赵翠英

    2012-01-01

    Objective: To investigate the effects of tympanoplasty through mastoidectomy in treatment of otitis media with cholesteatoma. Methods: Thirty cases with otitis media with cholesteatoma were treated with tympanoplasty through mastoidectomy. Results: Survival of transplanted fascia and dry ears of 30 cases were observed during following up for 6 months to 2 years. Puretone audiometry and the gas Guide mean of language frequency were improved after sugery. Conclusions: Treatment of otitis media with cholesteatoma by tympanoplasty through mastoidectomy can completely remove lesion, improve hearing and decrease recurrence rates, which has certain clinical application value.%目的:观察乳突根治鼓室成形术治疗胆脂瘤型中耳炎的疗效.方法:对30例行乳突根治鼓室成形术治疗的胆脂瘤型中耳炎的临床资料进行回顾分析.结果:随访6个月至2年,30例获得干耳,移植筋膜成活.术后纯音测听,语言频率气导均值提高.结论:乳突根治鼓室成形术治疗胆脂瘤型中耳炎,能根治病灶,提高听力,复发率低,有临床应用价值.

  9. Temporalis muscle fascia and cartilage palisade technique of type 1 tympanoplasty: A comparison

    Directory of Open Access Journals (Sweden)

    Kumar Subhanshu

    2015-01-01

    Full Text Available Background: Chronic suppurative otitis media is one of the common causes of deafness in india and occupies a considerable amount of clinic and operating time of otolaryngologists. Materials and Methods: This was a prospective study containing 50 patients, which was further divided into two groups of 25 patient each. One group was cartilage palisade technique group and other was temporalis fascia technique group (TFT group. Detailed history and examination along with pure tone audiometry was performed. Pre- and postoperative hearing results and graft uptake were compared. All surgeries were performed through the post aural approach. Cartilage was harvested from cymba concha and fascia from temporalis muscle. Results: Hearing improved significantly when either of the technique was used. Though this was slightly better, but stastically insignificant in TFT. there was no significant difference in the graft uptake rates, but it was better in cases of Eustachian tube dysfunction when cartilage palisades were used. Conclusion: There was no statistically significant difference in results in terms of success and auditory function but cartilage palisade technique gave better results in specific conditions like Eustachian tube dysfunction.

  10. Prognostic significance of tympanosclerotic plaques localization and their morphological and histological characteristics for the outcome of surgical treatment

    Directory of Open Access Journals (Sweden)

    Milojević Milanko

    2012-01-01

    Full Text Available Background/Aim. Tympanosclerosis is a sequela of inflammation of the middle ear usually causing conductive hearing loss. The aim of the study was to determine the significance of tympanosclerotic plaques localization in the middle ear and their morphological and histological characteristics for surgical treatment outcome. Methods. This retrospective study included a total of 73 patients operated on for tympanosclerosis in the Clinic for Otorhinolaryngology, Military Medical Academy (MMA in a period 1996-2010. The results of surgical treatment as well as the last audiometry findings were analyzed. considering follow-up periods of 6 months to 8 years. The patients were divided into 4 groups according to tympanosclerotic plaques localization in the middle ear and the classification suggested by Wieling and Kerr. The patients were also divided based on intraoperatively noticed morphological characteristics of tympanosclerotic plaques, while the third division was done as per histological findings. Surgical success was assessed using the suggestions of the Japan Otological Society. Results. The analyzed results showed the surgical success especially in the group II according to Wieling and Kerr, while histological findings had no impact on the outcome of the surgery. Conclusion. Surgical treatment has good results especially in patients with the mobile stapes. Results are satisfactory in other localizations, while various morphological and histological characteristics do not have impact on the surgery outcome.

  11. SENSORINEURAL HEARING LOSS IN YOUNG ADULTS WITH BMI OF 25 OR MORE

    Directory of Open Access Journals (Sweden)

    Shashikala

    2015-04-01

    Full Text Available BACKGROUND: A Body mass index [BMI] of 25 or greater is a significant health problem associated with a variety of disorders and in adults it has been found to be a risk factor for hearing loss. Higher BMI is independently associated with increased hearing loss. We investigated the hypothesis that young adults with a BMI of 25 or more are at increased risk of mild sensorineural hearing loss. AIMS AN D OBJECTIVES: To assess hearing acuity in individuals with high BMI (≥25 by audiometric assessment and compare it with the control group (BMI <25. SETTINGS AND DESIGN : A comparative and cross sectional study among volunteers residing in Bengaluru. METHODS AND MATERIAL : Data collected from 2 groups containing 30 participants each, test group contained individual with a BMI of 25 or more and the control group consisted individuals with BMI of <25, in the age group of 18 - 35 yrs. Pure tone audiometry was carried out across various frequencies (0. 5, 1, 2, 4, 6, 8 kHz in both groups. STATISTICAL ANALYSIS: Student t - test was used to compare hearing thresholds across various frequencies in both groups. RESULTS: Compared to control group, high BMI (≥25 was associated with increased pure tone hearing thresholds across lower frequencies (0. 5, 1, 2 kHz. The degree of hearing loss is mild (26 - 40dB . CONCLUSIONS: This study demonstrates that young adults with a BMI of 25 or more are at increasing risk of mild sensorineural hearing loss.

  12. Prevalence and clinical characterization of Japanese diabetes mellitus with an A-to-G mutation at nucleotide 3243 of the mitochondrial tRNA{sup Leu (UUR)} gene

    Energy Technology Data Exchange (ETDEWEB)

    Odawara, Masato; Sasaki, Kayoko; Yamashita, Kamejiro [Univ. of Tsukuba (Japan)

    1995-04-01

    An A-to-G mutation at nucleotide position 3243 of the mitochondrial genome has been associated with insulin-dependent diabetes mellitus (IDDM) and with noninsulin-dependent diabetes mellitus (NIDDM) with deafness. We investigated the prevalence of this mutation in Japanese patients with IDDM, NIDDM, and impaired glucose tolerance (IGT) and in nondiabetic control individuals, and we identified it in 3 of 300 patients with NIDDM or IGT (1.0%). None of these individuals had significant sensorineural hearing loss. None of the 94 IDDM or the 115 nondiabetic control subjects was positive for this mutation. Oral glucose tolerance test revealed that a 57-yr-old male with this mutation was rather hyperinsulinemic in the fasting state. The insulin secretion in this patient decreased with age; he did not complain of any hearing disorder, although audiometry revealed a slight elevation of hearing threshold at high frequencies. In conclusion, we found that a mitochondrial gene mutation at nucleotide position 3243 was present in about 1% of NIDDM patients including those patients with IGT. The subtype of diabetes mellitus with this mutation may have a clinical profile similar to that found in patients with NIDDM commonly seen in outpatient clinics. 25 refs., 2 figs., 1 tab.

  13. Prevalence of middle ear disorders in coal miners

    Energy Technology Data Exchange (ETDEWEB)

    Lempert, B.L.; Hopkinson, N.T.; Keith, R.W.; Motl, M.L.; Horine, J.

    1981-06-01

    Results are presented from a study of the prevalence of middle and external ear disorders in coal miners who work underground. The study followed from an earlier NIOSH report (1976) that indicated a possibly large number of otoscopic abnormalities in this population of workers. Otoscopic examinations, pure tone air- and bone-conduction audiometry tests, and impedance tests were administered to 350 underground miners and 150 industrial workers not associated with mining. The study was conducted completely within a hospital otolaryngology/audiology clinic setting. Results of the investigation showed a highly similar prevalence of middle ear and ear canal abnormalities in the miner group and the control group (19 percent). Middle ear abnormalities observed in the miners were judged by the examining otolaryngologists to have preceded their experience in the mines and were not related solely to underground noise exposure or coal dust. Nearly half of the subjects who had an air-bone gap had no middle ear abnormality observable by otoscopic examination. There was substantial agreement between the finding of abnormal otoscopy and abnormal tympanometry. By itself, acoustic reflex was not useful in identifying middle ear disorders, since this reflex may be absent for other reasons, including presence of severe sensorineural hearing loss.

  14. Walk-through survey report, Central Brass Manufacturing Company, Cleveland, Ohio, March 20, 1987

    Energy Technology Data Exchange (ETDEWEB)

    Zaebst, D.D.; Seligman, P.J.; Bloom, T.F.

    1988-11-01

    In order to evaluate controls used to reduce or eliminate worker exposures to lead, a survey was undertaken at the nonferrous foundry, Central Brass Manufacturing Company, Cleveland, Ohio. After a review of the exposure and blood lead monitoring data, along with interviews with management and union officials and a tour of the facility, the investigators conclude that there is evidence to support excessive exposures to work-place lead at the time of compensation claims made early in 1985. Since that time the company has taken steps to reduce these exposures. Some engineering controls had been installed in October of 1984, including portable flexible-duct local exhaust hoods, side draft local exhaust systems and traveling hoods. Improvements or replacements were also made to existing equipment including doubling the ventilation capacity of the exhaust system on polishing equipment and replacing local exhaust hoods on all grinding machines. All new employees receive a complete physical examination including audiometry, pulmonary function test, and blood-lead screening. The frequency of subsequent blood lead monitoring was based on the previous blood-levels. The respiratory protection program seemed generally adequate. With the improvements made, a correlation between the decline in ambient lead and blood-lead levels was noted.

  15. Cartilage ossiculoplasty in cholesteatoma surgery: hearing results and prognostic factors.

    Science.gov (United States)

    Quaranta, N; Taliente, S; Coppola, F; Salonna, I

    2015-10-01

    Cartilage tympanoplasty is an established procedure for tympanic membrane and attic reconstruction. Cartilage has been used as an ossiculoplasty material for many years. The aim of this study was to evaluate hearing results of costal cartilage prostheses in ossicular chain reconstruction procedures in subjects operated on for middle ear cholesteatoma and to determine the presence of prognostic factors. Candidates for this study were patients affected by middle ear cholesteatoma whose ossicular chain was reconstructed with a chondroprosthesis. 67 cases of ossiculoplasty with total (TORP) or partial (PORP) chondroprosthesis were performed between January 2011 and December 2013. Follow-up examination included micro-otoscopy and pure tone audiometry. The guidelines of the Committee on Hearing and Equilibrium of the American Academy of Otolaryngology Head and Neck Surgery were followed and pure-tone average (PTA) was calculated as the mean of 0.5, 1, 2 and 4 kHz thresholds. Statistical analysis was performed with ANOVA tests and regression models. Average air-bone gap (ABG) significantly improved from 39.2 dB HL (SD 9.1 dB HL) to 25.4 dB HL (SD 11 dB HL) (p costal cartilage as material of choice when autologous ossicles are not available. The maintenance of the posterior canal wall was the only prognostic factor identified. PMID:26824916

  16. [Results of the School Health Service in La Chaux-de-Fonds between 1975 and 1979].

    Science.gov (United States)

    Fischer, G

    1982-02-01

    This is a balance sheet of the medical service in la Chaux-de-Fonds schools for the last five years (1975-1979). The activities of the School Medical Service (SMS) are clinical and paraclinical examinations, immunizations, and tuberculin tests, as well as health information. The number of students in three examined grades (1, 4, and 9) varies over the years, with a tendency of going down in the first grade since 1978. The following anomalies are checked and compared between grades and years; overweight, systolic murmurs, hernias, alterations of the tonsils and lymph glands, deviations of the vertebral column, genital anomalies in boys, age of puberty, troubles in visual and auditory acuity (the last being measured by audiometry), blood pressure troubles in students in the 9th grade. In that grade, paraclinical examinations such as ECG, pulmonary function, and blood groups are carried out. Students of that grade are questioned about their personal habits and previous illness. Immunizations and tuberculin tests done by the SMS are discussed. Health information its evolution are mentioned. In conclusion, one can say that the purpose of the SMS is promotion of school children's health during the compulsory school period. PMID:7072386

  17. Neurobehavioral observation and hearing impairment in children at school age in eastern Slovakia

    Energy Technology Data Exchange (ETDEWEB)

    Sovcikova, E.; Trnovec, T.; Petrik, J.; Kocan, A.; Drobna, B.; Wimmerova, S.; Wsolova, L. [Slovak Medical Univ., Bratislava (Slovakia); Hustak, M. [Air Force Military Hospital, Kosice (Slovakia)

    2004-09-15

    Neurotoxicity of PCBs has been reported in humans and confirmed in animal studies. It was shown that PCBs can alter a number of developmental physiological processes in which the thyroid plays an essential role. In children, the prenatal exposure to PCBs was associated with reduced birth weight and poor recognition memory. In children with longer duration of breast feeding implying higher PCB exposure, altered behavior, lengthening of psychomotor activities, worse attention, and worse memory performance were found. The so far published data on the association between PCBs exposure and hearing were based mainly on animal observations. Low-frequency auditory impairments have been documented in PCB exposed rats, including elevated behavioral auditory thresholds, decreased amplitude and prolonged latency auditory evoked brain stem responses. Two papers were related to humans only. The first one reported PCB-associated increased thresholds at two out of eight frequencies on audiometry, but only on the left side, and no deficits on evoked potentials or contrast sensitivity in 7-year-old children prenatally exposed to seafood neurotoxicants. The other paper was focused on hearing impairments in boys of fish-eating mothers, but no individual PCB exposure data were available. The aim of this study was to evaluate the associations between exposure to PCBs and health outcomes assessed, as performance in neurobehavioral tests, thyroid hormones production and hearing status. Selected confounder factors such as heavy metals and health/social background of development in children were also taken into consideration.

  18. Auditory status of persons with intellectual disability at the German Special Olympic Games.

    Science.gov (United States)

    Neumann, Katrin; Dettmer, Gabriele; Euler, Harald A; Giebel, Armin; Gross, Manfred; Herer, Gilbert; Hoth, Sebastian; Lattermann, Christina; Montgomery, Judy

    2006-02-01

    Among persons with intellectual disability, the prevalence of hearing impairments is high. During the German Special Olympics Summer Games 2004, a hearing screening was conducted on 755 athletes with intellectual disabilities. Obligatory screening included ear inspection and recording of otoacoustic emissions, and optional screening included tympanometry and brief pure-tone audiometry. 38.0% of the athletes failed the screening. 53.0% needed ear wax removal. 56.1% of the fails indicated sensorineural hearing loss and 13.6% indicated mixed hearing loss. 12.5% of the fails were caused by unremovable ear wax, 1.4% by ear canal affections, and 16.4% by middle ear problems. Left ear fails were more frequent than right ear fails. A peripheral hearing disturbance can thus be expected in every third subject. The high failure rate, a considerable percentage of previously undetected profound hearing loss (1.1%), and the frequent need for ear wax removal, suggest that nearly half of persons with intellectual disabilities need regular otological or audiological consultations. PMID:16566246

  19. Infants DPOAEs Physical Characteristics

    Directory of Open Access Journals (Sweden)

    Parviz Kamali

    2004-06-01

    Full Text Available Objective: Survery and comparison between the physical characteristics of Distortion-Product Otoacoustic Emissions of 1-59 day-old normal-hearing newborns refered to TUMS, Rehabilitation School , Audiology department , 2002 Method & Material : This analytical-descriptive study was conducted on the ears of 102 easy method selected newborns. The tests included: otoscopy , BOA, Immittance audiometry , DPOAEs, and ABR if necessary. The amplitude and frequency of 2f1-f2 emissions of DPOAEs evoked by two pure tones (L1=65 dBSPL , L2=50 dBSPL and f2/f1=1.2 were also calculated. Results: 1-All normal hearing newborns have normal DPOAEs. No significant difference was observed in test-retest. 2- The amplitude of the DPOAEs to the right ear is significantly greater than the amplitude of the left ear (P<00.05. 3- No significant difference was observed between newborn’s DPOAEs in terms of their gender. Conclusion: DPOAEs could be measured quickly and noninvasively and are excellent tools for the screening of newborn hearing loss. The results are valid only within the Context of this research.

  20. A Hearing Screening Program for Children in Primary Schools in Tajikistan: A Telemedicine Model.

    Science.gov (United States)

    Skarzyński, Piotr Henryk; Świerniak, Weronica; Piłka, Adam; Skarżynska, Magdalena B; Włodarczyk, Andrzej W; Kholmatov, Dzhamol; Makhamadiev, Abdukholik; Hatzopoulos, Stavros

    2016-01-01

    BACKGROUND According to the guidelines of the European Scientific Consensus on Hearing (European Federation of Audiology Societies 'EFAS' Congress, June 2011, Warsaw, Poland), the detection and treatment of communication disorders in early school-age children is of the highest importance. This objective was adopted by the Polish president of the EFAS Council from the second half of 2011; as a result, pilot programs on children's hearing screening were initiated in various European countries. This paper reports data from a pilot program in Dushanbe, Tajikistan. MATERIAL AND METHODS We randomly selected 143 children from 2 primary schools. Each child was assessed by pure tone audiometry and 2 questionnaires (dedicated to parents and children). The study allowed the validation of: (i) hearing screening procedures in young children, and (ii) data collection via a telemedicine model. RESULTS Hearing impairments were identified in 34 cases (23.7%) with a 50% ratio between unilateral and bilateral losses. We found a higher incidence of hearing impairment in children than that reported in previous Polish studies. CONCLUSIONS The data from the present study suggest that it is possible to use a telemedicine model to assess the hearing status of children and to provide a long-distance expert assistance. The latter is very important for rural areas without specialized medical services. PMID:27402315

  1. Relationship of the area measurement of the large endolymphatic duct and sac syndrome as well as the clinical symptoms with CT and MR imaging results

    International Nuclear Information System (INIS)

    To evaluate the CT and MRI findings of the large endolymphatic duct or sac syndrome (LEDS) and its associated anomalies, with clinical features. We retrospectively reviewed the MR and CT images of 52 ears obtained from 26 patients with LEDS. We reviewed the clinical findings, audiology testing, and treatment results. The degree of hearing loss was classified from normal to profound, based on pure tone audiometry. The largest areas were measured at each endolymphatic duct and analyzed to determine whether a correlation exists with the degree of hearing loss. We also analyzed the differences in measurements between CT and MRI findings. All 26 patients had some degree of sensorineural hearing loss, which resulted in 18 ears to undergo a cochlear implantation. One patient was diagnosed with Cornelia de Lange syndrome. Five patients had a sudden hearing loss onset. Ten ears had incomplete cochlear partitions, whereas 28 ears had enlarged vestibules. All patients had severe to profound hearing loss. We found no statistical correlation between the size of the largest area of the endolymphatic duct and the degree of hearing loss. The mean area of the endolymphatic ducts, as per an MRI examination, revealed slightly greater areas than the CT findings, although the differences were not significant. Enlarged vestibules and incomplete partitions of the cochlea were common anomalies associated with LEDS. We found no statistical correlation between the largest area of the endolymphatic duct or sac with the degree of hearing loss

  2. Giant dumbbell-shaped intra- and extracranial nerve schwannoma in a child presenting with glossopharyngeal neuralgia syncope syndrome: a case report and review of the literature.

    Science.gov (United States)

    Sarikaya-Seiwert, Sevgi; Klenzner, Thomas; Schipper, Jörg; Steiger, Hans-Jakob; Haenggi, Daniel

    2013-01-01

    Lower cranial nerve schwannomas are benign tumors of the neurolemmocytes of the cranial nerves. Among children, cranial nerve schwannomas are extremely rare and are predominantly associated with neurofibromatosis (NF) type 2. The purpose of the current case report is to describe a unique giant extra- and intracranial foramen jugular schwannoma in a young boy with lower cranial nerve deficits and glossopharyngeal neuralgia syncope syndrome and to review the pertinent literature. In the current case report, we illustrate the course of disease in a 14-year-old boy with a 4-month history of recurrent syncope and a big bulge on the left side of his neck. Audiometry showed deafness of the left ear. Magnetic resonance imaging (MRI) demonstrated a giant unilateral dumbbell-shaped intra- and extracranial foramen jugular schwannoma with a volume of 156 cm3 causing severe brain stem compression and obstructive hydrocephalus. The tumor was removed completely in a two-step surgery. The tumor was confirmed during surgery to originate from the glossopharyngeal nerve. The histological examination revealed the characteristic features of a schwannoma. The MRI 3 months after the second surgery confirmed complete tumor removal. The genetic examination for NF was negative. Review of literature showed that dumbbell-shaped lower cranial nerve schwannomas in the childhood population are rare. PMID:23104590

  3. Strategy for the diagnosis of small acoustic neuromas

    Energy Technology Data Exchange (ETDEWEB)

    Hashimoto, Sho; Kawase, Tetsuaki; Furukawa, Kanako; Takasaka, Tomonori (Dept. of Otolaryngology, Tohoku Univ. School of Medicine, Sendai (Japan))

    1991-01-01

    Twenty small (extra-meatal size <15 mm) acoustic neuromas have been diagnosed since high-resolution (HR) magnetic resonance imaging (MRI) became available in our clinic. Among these tumors, 18 had sensorineutral hearing loss and 16 enlarged internal auditory meatus in X-ray photo, but only 8 tumors out of 18 tested showed diminished caloric response. Auditory brainstem responses (ABR) has been believed as the most reliable test for the diagnosis of acoustic neuroma despite several reports of false-negatives. In our series, 4 tumors out of 18 tested had normal ABR. The false-negative rate was 22%, which is much higher than expected. In CT, only 11 tumors were recognized. Although the total number is not large, present results clearly suggest the limits of these examinations. At present, HR-MRI is the most reliable diagnostic method for acoustic neuromas with no false-negative reported: ordinary MRI may have false-negatives. For the effective use of MRI, the results of audiometry, X-ray photo, ABR and other examinations must be evaluated properly. (au).

  4. Vestibular Schwannoma or acoustic neuroma

    Directory of Open Access Journals (Sweden)

    Hekmatara M

    1997-04-01

    Full Text Available Vestibular schwannoma is the most common tumor of the posterior fossa of the skull. Patients referred with the primary otologic symptoms such as hearing loss, tinnitus, vertigo, imbalance, and the cranial nerve palsy. Thirty-three patients were operated and treated by a team of otolaryngologist and neurosurgeon, anudiometrist, and internist. Patients'chiefcomplaint was due to 94% hearing loss and 27% tinnitus. They scarcely complain of vertigo. If a patient refers with the palsy or paralysis of facial nerve preoperation, we must think of the facial nerve schwannoma or hemangioma or congential cholestoma or malignant metastases rather than acoustic neuroma. The best way for preoperative diagnosis is audiometry, ABR (Auditory Brain Response, and SDS (speech discrimination score with 90% success, but computer Tomography (CT scan and MRI (Magnetic Resonance Image are the valuable anatomic diagnostic radiographic devices. The best method of operation is translabirynthine approach (TLA, since it has the advantages such as an easy access to nerve paths and being the nearest path to CPA (Cerebellopontine Angle. Physicians ought to talk to patients about the importance of the microscopic surgery, surgical methods, and their probable diverse effects such as hearing loss, facial nerve palsy, and intracranial problems.

  5. Objective Tinnitus and the Tensor Tympani Muscle.

    Science.gov (United States)

    Rock

    1995-01-01

    Objective tinnitus (OT) may be caused by contraction of the tensor tympani muscle (TTM). The more forcefully the TTM contracts, the greater the intensity of the OT heard. Forceful closure of both eyelids can reflexively cause OT by contracting the TTM. The Forceful Eyelid Closure Syndrome (FECS) was reported at the Proceedings of the Second International Tinnitus Seminar in 1983.(1) FECS consists of several factors: (1) Objective tinnitus (2) An associated waning of hearing primarily of the lower frequencies, as much as 45 dB at 125 Hz, 30 to 40 dB at 250 Hz ascending to the patient's norm at 2000 Hz and approximately a 5 to 10 dB at 4000 Hz and 5 to 20 dB at 8000 Hz (3) Retraction of the manubrium and posterior mid-third of the tympanic membrane (TM) at the malleus-umbo area as seen under the otomicroscope (OM) in 25% (108) of 432 ears examined (4) These same ears were 75% (324) positive for increased impedance at maximum compliance with FEC. Of the patients studied, 25% had no response under the otomicroscope or by impedance audiometry.

  6. The Effect of Acute Otitis Media on Transient Otoacoustic Emissions A Clinical Guide to Successful Treatment Course

    Directory of Open Access Journals (Sweden)

    A. Bayat

    Full Text Available Introduction & Objective: Acute otitis media (AOM is the most common causes of acquired hearing loss in children with increasing incidence. In young children the diagnosis is restricted to otoscopy and tympanometry whereas evaluation of the auditory function is impossible due to noncompliance during pure tone audiometry. For this purpose, measurement of otoacoustic emissions, especially transient evoked ones (TEOAEs, can be applied. The aim of this study was to evaluate the effect of AOM on TEOAEs in young children before and after treatment course.Material & Methods: In an analytic, cross-sectional design, 42 young children with AOM, both sexes, aged 2 to 4.5 years were evaluated through tympanometry and transient otoacoustic emissions (TEOAEs. TEOAEs signal to noise ratio (SNR and reproducibility of AOM patients were compared before, two weeks and six weeks after the treatment course. Then AOM responses were compared with an age-matched control group. The results were analyzed using SPSS 16.Results: Our findings revealed that TEOAE parameters in AOM subjects were the most affected on highest frequencies. Significant changes of TEOAE parameters were found 2 weeks after the treatment with further improvement 6 weeks after the treatment course (P 0.05.Conclusion: The results of this study suggest that there was an improvement in TEOAE SNR and band reproducibility in serial TEOAEs measurements. Thus,application of TEOAEs is a beneficial method to follow up medical treatment in young children with AOM. (Sci J Hamadan Univ Med Sci 2011;18(3:17-21

  7. Oral use of Streptococcus salivarius K12 in children with secretory otitis media: preliminary results of a pilot, uncontrolled study

    Directory of Open Access Journals (Sweden)

    Di Pierro F

    2015-09-01

    Full Text Available Francesco Di Pierro,1 Daniele Di Pasquale,2 Maurizio Di Cicco2 1Velleja Research, Milan, Italy; 2ORL Department, Ospedale Maggiore Policlinico Ca’ Grande IRCCS, Milan, Italy Abstract: Secretory otitis media (SOM remains a common disease among children. Although its cause is not yet perfectly established, the pathology, often a sequel of acute otitis media (AOM, is mainly characterized by persistent fluid in the middle ear cavity. Twenty-two children with a diagnosis of SOM were treated daily for 90 days with an oral formulation containing the oral probiotic Streptococcus salivarius K12 (Bactoblis®. After treatment, the children were evaluated for AOM episodes and subjected to tone audiometry, tympanometry, endonasal endoscopy, otoscopy, and tonsillar examination. Subject compliance and probiotic tolerability and side effects have also been evaluated. Our results indicate a good safety profile, a substantial reduction of AOM episodes, and a positive outcome from the treatment for all of the clinical outcomes tested. We conclude that strain K12 may have a role in reducing the occurrence and/or severity of SOM in children. From our perspective, this study constitutes a starting point toward the organization of a more extensive placebo-controlled study aimed at critically appraising our preliminary observations. Keywords: BLIS K12, Bactoblis®, acute otitis media, exudative otitis media

  8. [The clinical picture and specific microbiological features of acute otitis media].

    Science.gov (United States)

    Kryukov, A I; Kunel'skaya, N L; Gurov, A B; Elchueva, Z G; Sokolov, S S

    2015-01-01

    The objective of the present work was to study the spectrum of bacterial pathogenic agents responsible for the development of acute otitis media under present conditions and to elucidate the relationship between the pathogen species and the clinical course of the inflammatory process in the middle ear. A total of 60 patients of either sex at the age varying from 18 to 64 patients were available for the examination. All of them complained of ear pain, purulent discharge from the ears, hearing impairment, and general weakness. The following methods were employed: the analysis of the patients' complaints and their medical histories, visualexamination of the ENT organs, tonal threshold audiometry, tympanometry, and the analysis of secretion from the tympanic cavity using the real-time PCR technique. The study has demonstrated some regular patterns of the clinical manifestations of the disease depending on its causative agent. Specifically, it turned out that acute otitis media associated with the infection by Streptоcoccus pneumoniae is characterized by the more reactive clinical symptoms and the greater amount of complications compared with acute otitis media caused by Haemophilus influenzae that is largely a subclinical pathology. However, the latter condition more frequently leads to chronization of the pathological process.

  9. [Current issues in hereditary neuropathies].

    Science.gov (United States)

    Lacour, A

    2013-12-01

    This short review highlights five studies published in 2012 in the field of Charcot-Marie-Tooth disease (CMT) and transthyretin familial amyloid neuropathies (TTR-FAN). Regarding CMT, an Australian pediatric study shows the high prevalence of impaired speech perception and hearing disability in children with CMT1 or CMT2 with normal or near normal audiometry (Rance et al., 2012). In a second study, the clinical and electrophysiological characteristics of 14 patients with CMT4C due to mutations in SH3TC2 gene are described (Yger et al., 2012). The 3 clinical hallmarks of CMT4C patients in this French cohort are the high prevalence of scoliosis, the proximal motor weakness and the cranial nerves involvement. Concerning TTR-FAN, the first data from French and international registries are reported (Adams et al., 2012; Coelho et al., 2013) and a phase II trial describes the results of taurourodeoxycholic acid and doxycycline treatment (Obici et al., 2012).

  10. Hearing evaluation in patients with chronic renal failure

    Institute of Scientific and Technical Information of China (English)

    Evis Bendo; Margarita Resuli; Spiros Metaxas

    2015-01-01

    Objective:To evaluate hearing threshold and the severity of hearing loss at different frequencies in patients with chronic renal failure (CRF), and to analyze the role of duration of disease on hearing threshold in patients of CRF by measuring pure-tone audiometry (PTA) and distortion-product otoacoustic emission (DPOAE). Methods: There were analysed 61 subjects (122 ears) from which 12 were patients starting hemodialise (A), 24 subjects were patients undergoing hemodialise over a year (B), 15 subjects were patients undergoing conservative treatment (C) and 10 controls (D). We did hearing evaluation by testing them using tympanometry, PTA and DPOAEs. Other parameters (blood pressure, body weight, blood chemistries) were also evaluated. Results:It was found a severe high-frequency hearing loss among patients with CRF comparing to the control group. Duration on haemodialysis treatment does not seem to have a significant impact on the incidence of hearing loss, although the method of treatment may influence the impact of the disease on hearing. Hearing loss among patients with CRF seemed to deteriorate further a year after the first evaluation. Conclusions:DPOAE raised the percentages of detection of SNHL indicating that it is a better technique than the conventional PTA for evaluation of hearing acuity.

  11. Adrenoleukodystrophy: case report and aspects relevant to the otorhinolaryngologist

    Directory of Open Access Journals (Sweden)

    Rapoport, Priscila B

    2009-09-01

    Full Text Available Introduction: Adrenoleukodystrophy is a genetic disease with heritage standard bound to X, which consists of an alteration of the metabolism and causes an accumulation of fatty acids of a very large chain (AGCML associated to demyelinization of axons and adrenal insufficiency. It may initially manifest with alterations of behavior, hearing, vision, speech, writing, gait, and in the more advanced cases, it results in generalized hypertension, loss of cognitive and motor functions and dysphagia. The diagnosis is confirmed by dosing the AGCML's plasmatic levels, findings of the Magnetic Resonance and karyotype. Case Report: We report the case of A.V.F., 5 years old, sent to the otorhinolaryngology service for school and communication difficulties of auditory evaluation. The audiometry confirmed a bilateral moderate hearing loss. Some months after he evolved with progressive loss of vision, worsening of writing and aggressiveness, and was then forwarded to the neuropediatrician with the hypothesis of neurodegenerative disease. Magnetic Resonance was carried out and showed extensive parieto-occipital lesions. His diagnosis was confirmed through karyotype performed by a geneticist with an immediate beginning of the treatment. Approximately 1 year after the beginning of the symptoms, he presented with severe oropharyngeal dysphagia and silent bronchoaspiration diagnosed by the video-deglutogram exam. Final Comments: Today with gastrotomy. So far, there is no therapy defined for adrenoleukodystrophy. The otorhinolaryngologist must know this disease because, as well as in the case described above, he/she is one of the first professionals.

  12. Higher serum aldosterone correlates with lower hearing thresholds: a possible protective hormone against presbycusis.

    Science.gov (United States)

    Tadros, Sherif F; Frisina, Susan T; Mapes, Frances; Frisina, D Robert; Frisina, Robert D

    2005-11-01

    Aldosterone hormone is a mineralocorticoid secreted by adrenal gland cortex and controls serum sodium (Na(+)) and potassium (K(+)) levels. Aldosterone has a stimulatory effect on expression of sodium-potassium ATPase (Na, K-ATPase) and sodium-potassium-chloride cotransporter (NKCC) in cell membranes. In the present investigation, the relation between serum aldosterone levels and age-related hearing loss (presbycusis) and the correlation between these levels versus the degree of presbycusis in humans were examined. Serum aldosterone concentrations were compared between normal hearing and presbycusic groups. Pure-tone audiometry, transient evoked otoacoustic emissions (TEOAE), hearing in noise test (HINT) and gap detection were tested for each subject and compared to the serum aldosterone levels. A highly significant difference between groups in serum aldosterone concentrations was found (p = 0.0003, t = 3.95, df = 45). Highly significant correlations between pure-tone thresholds in both right and left ears, and HINT scores versus serum aldosterone levels were also discovered. On the contrary, no significant correlations were seen in the case of TEOAEs and gap detection. We conclude that aldosterone hormone may have a protective effect on hearing in old age. This effect is more peripheral than central, appearing to affect inner hair cells more than outer hair cells.

  13. Influence of middle ear mucosal condition on post-tympanoplasty audiologic outcome.

    Science.gov (United States)

    Song, Chan Il; Hong, Hye Ran; Yoon, Tae Hyun

    2016-03-01

    In this study, the association between the middle ear mucosal condition and post-tympanoplasty audiologic outcome was investigated in patients with chronic otitis media without cholesteatoma. One hundred and forty-three patients with chronic otitis media were collected in the Department of Otorhinolaryngology-Head and Neck Surgery at Asan Medical Center between January, 2009 and December, 2011. In the course of tympanoplasty, the status of the middle ear mucosa was divided into normal or abnormal by one surgeon. Pure tone audiometry was performed preoperatively and postoperatively, and post-tympanoplasty tympanogram was also conducted to estimate the condition of middle ear cavity. Of the 143 patients, there were 73 patients with normal middle ear mucosa and 70 patients with abnormal middle ear mucosa around Eustachian tube opening. The mean ABG of subjects with normal middle ear mucosa was 20.1 dB preoperatively, and 9.7 dB postoperatively (p ear mucosa group (p = 0.137). Postoperative ABGs for 500 and 1000 Hz (7.1, 7.7 dB) in normal middle ear mucosa patients were significantly lower than those (17.2, 19.4 dB) in abnormal middle ear mucosa patients (p ear mucosa status and post-tympanoplasty audiologic outcomes. The better condition of middle ear ventilation, the better postoperative hearing thresholds revealed after tympanoplasty.

  14. Smartphone-Based Hearing Screening in Noisy Environments

    Directory of Open Access Journals (Sweden)

    Youngmin Na

    2014-06-01

    Full Text Available It is important and recommended to detect hearing loss as soon as possible. If it is found early, proper treatment may help improve hearing and reduce the negative consequences of hearing loss. In this study, we developed smartphone-based hearing screening methods that can ubiquitously test hearing. However, environmental noise generally results in the loss of ear sensitivity, which causes a hearing threshold shift (HTS. To overcome this limitation in the hearing screening location, we developed a correction algorithm to reduce the HTS effect. A built-in microphone and headphone were calibrated to provide the standard units of measure. The HTSs in the presence of either white or babble noise were systematically investigated to determine the mean HTS as a function of noise level. When the hearing screening application runs, the smartphone automatically measures the environmental noise and provides the HTS value to correct the hearing threshold. A comparison to pure tone audiometry shows that this hearing screening method in the presence of noise could closely estimate the hearing threshold. We expect that the proposed ubiquitous hearing test method could be used as a simple hearing screening tool and could alert the user if they suffer from hearing loss.

  15. Meniere's disease.

    Science.gov (United States)

    Nakashima, Tsutomu; Pyykkö, Ilmari; Arroll, Megan A; Casselbrant, Margaretha L; Foster, Carol A; Manzoor, Nauman F; Megerian, Cliff A; Naganawa, Shinji; Young, Yi-Ho

    2016-01-01

    Meniere's disease (MD) is a disorder of the inner ear that causes vertigo attacks, fluctuating hearing loss, tinnitus and aural fullness. The aetiology of MD is multifactorial. A characteristic sign of MD is endolymphatic hydrops (EH), a disorder in which excessive endolymph accumulates in the inner ear and causes damage to the ganglion cells. In most patients, the clinical symptoms of MD present after considerable accumulation of endolymph has occurred. However, some patients develop symptoms in the early stages of EH. The reason for the variability in the symptomatology is unknown and the relationship between EH and the clinical symptoms of MD requires further study. The diagnosis of MD is based on clinical symptoms but can be complemented with functional inner ear tests, including audiometry, vestibular-evoked myogenic potential testing, caloric testing, electrocochleography or head impulse tests. MRI has been optimized to directly visualize EH in the cochlea, vestibule and semicircular canals, and its use is shifting from the research setting to the clinic. The management of MD is mainly aimed at the relief of acute attacks of vertigo and the prevention of recurrent attacks. Therapeutic options are based on empirical evidence and include the management of risk factors and a conservative approach as the first line of treatment. When medical treatment is unable to suppress vertigo attacks, intratympanic gentamicin therapy or endolymphatic sac decompression surgery is usually considered. This Primer covers the pathophysiology, symptomatology, diagnosis, management, quality of life and prevention of MD. PMID:27170253

  16. [The Management of the Vertiginous Patient].

    Science.gov (United States)

    Kessler, Paul

    2016-01-01

    In neuro-otology, history taking still represents the most important instrument. It comprises type, direction, duration, intensity and influencing factors of dizziness, vertigo and balance problems as well as accompanying symptoms of the otologic and neurologic systems. A distinction in a) acute persisting, b) episodic with or without positioning dependence and c) chronic vertigo can provide a first diagnostic differentiation. The clinical exam contains an otolaryngologic and neurologic assessment with focus on ocular motor function, nystagmus, head impulse testing, balance function tests, cerebellar signs and positioning tests. Helpful laboratory tests are tests of orthostatic function, pure tone audiometry, bithermal calorics, video head impulse test and in specific situations nystagmography and the recording of vestibular-evoked myogenic potentials. Often a brain magnetic resonance tomography needs to be added. In several cases a multi-disciplinary approach is recommended. Therapeutical options are physical therapy as vestibular rehabilitation or repositioning procedures, drugs or surgery, albeit the level of evidence of some therapies currently being applied is far from satisfactory. PMID:27132638

  17. Acoustic and psychoacoustic analysis of the noise produced by the police force firearms Análise acústica e psicoacústica do ruído de armas utilizadas pela Polícia Militar

    Directory of Open Access Journals (Sweden)

    Heraldo Lorena Guida

    2011-04-01

    Full Text Available Police officers are exposed to impact noise coming from firearms, which may cause irreversible injuries to the hearing system. AIM: To evaluate the noise exposure in shooting stands during gunfire exercises, to analyze the acoustic impact of the noise produced by the firearms and to associate it with tonal audiometry results. STUDY DESIGN: Cross-sectional. MATERIALS AND METHODS: To measure noise intensity we used a digital sound level meter, and the acoustic analysis was carried out by means of the oscillations and cochlear response curves provided by the praat software. 30 police officers were selected (27 males and 3 females. RESULTS: The peak level measured was 113.1 dB(C from a .40 pistol and 116.8 dB(C for a .38 revolver. The values obtained for oscillation and praat was 17.9±0.3 Barks, corresponding to the rate of 4,120 and 4,580 Hz. Audiometry indicated greater hearing loss at 4,000Hz in 86.7% of the cases. CONCLUSION: With the acoustic analysis it was possible to show cause and effect between the main areas of energy excitation of the cochlea (praat cochlear response curve and the frequencies of low hearing acuity.Os policiais militares estão expostos a ruídos de impacto provenientes de armas de fogo, os quais são capazes de causar lesões irreversíveis ao sistema auditivo. OBJETIVO: Avaliar a exposição ao ruído no estande de tiros durante os exercícios de tiro, analisar acusticamente o ruído de impacto e relacioná-lo com os resultados de audiometria tonal. FORMA DE ESTUDO: Transversal. MATERIAL E MÉTODO: A medição do ruído foi feita por meio de decibelímetro digital e a análise acústica foi feita no software Praat, levantando as curvas de oscilograma e cocleograma. Foi selecionada uma amostra de 30 policiais militares (27 masculinos e 3 femininos. RESULTADOS: Os picos máximos medidos no estante de tiros foram de 113,1 dB(C para pistola .40 e 116,8 dB(C para revólver .38. Os valores obtidos por meio da relação entre

  18. Auditory steady-state response measurement in evaluating hearing loss milder than moderate to severe level%多频稳态诱发电位测试对中重度以下听力损失的评估价值

    Institute of Scientific and Technical Information of China (English)

    刘敏; 苏振忠; 陈锡辉; 熊观霞; 李广智; 李倩斐; 王新光

    2006-01-01

    in the normal hearing group were the 21 undergraduates (42 ears) were enrolled, they all had not any symptoms of ear disease, without history of noise exposure and disease of vestibule system, and they were normal in otoscopy. The outpatients and inpatients with neurosensory deafness were selected from the Department of Otorhinolaryngology, the First Affiliated Hospital of Sun Yat-sen University. All the children cases worn hearing aids, and had the speech ability, and cooperated in the examination. The main types included 6 ears of sudden deafness,8 ears of presbycusis, and 20 ears of neurosensory deafness due to other unknown causes. Central lesions were excluded by MR examination, and all the patients agreed with the enrollment. The results of pure-tone audiometry were all flat or descending audiogram. According to the severity of hearing damage, the patients were divided into mild deafness group (13ears), moderate deafness group (9 ears) and moderate-to-severe deafness group (12 ears).METHODS: ① The pure-tone audiometry was performed at the frequencies of 0.125-8 000 Hz in a sound insulation room. The auditory threshold grades of the subjects with normal hearing all accorded with the standards of GB-7583-87 expected value distribution. The average value of air-conduction auditory thresholds of pure-tone audiometry at the frequencies of 0.5, 1, 2 and 4 kHz was calculated. ② ASSR measurement was performed with the synchronous stimulation pattern in a sound and electromagnetic shielding room, including 8 points for both ears of the same stimulation intensity and the carrier frequency tones of 0.5, 1, 2 and 4 kHz respectively.③ ABR examination was performed by click sounds with sparse waves in a sound and electromagnetic shielding room, and insert earphones were used.The threshold results were judged according to the minimal stimulation sound intensity of the distinguishable Ⅴ wave. ③ The results of pure-tone audiometry were compared with those of ABR

  19. Avaliação comportamental do processamento auditivo em indivíduos pós - traumatismo cranioencefálico: estudo piloto Behavioral auditory processing evaluation after traumatic brain injury: pilot study

    Directory of Open Access Journals (Sweden)

    Renata Beatriz Fernandes Santos

    2013-01-01

    audiometry, speech audiometry, acoustic immittance measures (tympanometry and acoustic reflex and behavioral evaluation of auditory processing (Sound Location Test, Verbal Sequential Memory, Non Verbal Sequential Memory, Duration Pattern Sequence Test, Dichotic Consonant-vowel, Staggered Spondaic Word (Portuguese version, Identification of synthetic sentences with competitive message, Random Gap Detection Test, Percentage Index of Speech Recognition with recording, speech test. RESULTS: the test of Duration Pattern indicated the test with the largest number of alteration (60%. The test with the most satisfactory average was the Percentage Index of Speech Recognition with recording (93% and the less satisfactory average test was related to dichotic consonant-vowel (40,56%. The reversals (70% represented the tendency of more frequent errors in the SSW. The damage of decoding was the most prevalent (100%, followed by the organization (90%, supra-segmental (60% and encoding-gradual loss of memory (20%. There was no damage of encoding-integration. CONCLUSIONS: the patients after traumatic brain injury present auditory processing disorders of varying degrees, involving the processes of decoding and organization.

  20. 自觉听力正常的后循环缺血患者纯音听阈与耳声发射结果分析%Pure tone threshoIds and Otoacoustic Emissions in PCI Patients without Hearing Loss CompIaints

    Institute of Scientific and Technical Information of China (English)

    郭英; 周慧芳

    2015-01-01

    Objective To study the audiometry and otoacoustic emissions in patients with posterior circulation ischemia(PCI) .Methods Forty patients treated by neurologists were selected as the experimental group who re_ceived pure tone audiometry ,tympanometry ,otoacoustic emissions (OAE) and distortion products otoacoustic emis_sions (DPOAE) examinations .Thirty healthy objects were chosen as the control group .The data from the PCI groups and the control group were compared using the SPSS 14 .0 software .ResuIts The difference in pure tone thresholds across 125 to 8 000 Hz between the PCI group and the control group was not statistically significant (P>0 .05) .In the PCI patients ,the prevalence of TEOAE was only 47 .5% ,significantly different from that of in the control group .The prevalence of DPOAE at 0 .5~8 kHz were between 57 .9% ~77 .6% in PCI patients ,and the amplitudes of DPOAE were reduced significantly (P<0 .05) .ConcIusion Cochlear damages can occur to patients with PCI ,especially in the high frequency range .These results suggest that OAE can be used as an important diag_nostic test for patients with PCI ,and might be helpful for the location diagnosis of PCI .%目的:探讨自觉听力正常的后循环缺血(posterior circulation ischemia ,PCI)患者的纯音测听和耳声发射的结果及临床意义。方法选择经临床确诊为PCI且自觉听力正常的患者40例(80耳)作为实验组,健康成年人30例(60耳)作为对照组,两组均行纯音测听、瞬态诱发耳声发射(TEOAE)和畸变产物耳声发射(DPOAE)检查,对结果进行统计学分析。结果 PCI组125~8000 Hz各频率气导听阈与对照组比较差异无统计学意义( P>0.05);PCI组的TEOAE检出率(47.5%,38/80)低于对照组(95.0%,57/60),差异有统计学意义(P<0.01);PCI组DPOAE各频率检出率、幅值均低于健康对照组(P<0.05),尤以高频区明显(P<0.01)。结

  1. Effect of tympanostomy tube insertion on middle ear function in children with secretory otitis media%鼓室置管对儿童分泌性中耳炎中耳功能影响的研究

    Institute of Scientific and Technical Information of China (English)

    毛承刚; 万俐佳; 周小淳; 吴燕; 鲁海涛

    2012-01-01

    目的 探讨鼓室置管治疗儿童分泌性中耳炎对中耳功能的影响.方法 选取47例(58耳)临床诊断为分泌性中耳炎的患儿,分别在鼓室置管术前及术后1个月、6个月进行纯音测听、声导抗、畸变产物耳声发射(distortion product otoacoustic emission,DPOAE)检查和耳镜检查,以评估鼓室置管手术前后中耳功能的变化及术后的并发症.结果 鼓室置管术后1个月、6个月分别行耳镜和声导抗检查,均较术前听力明显提高.术后6个月与术后1个月检查结果比较,听力改变差异无统计学意义.与鼓室置管术前比较,DPOAE引出率及部分频率幅值提高,差异具有统计学意义.鼓室置管术后的并发症主要是中耳感染、分泌性中耳炎复发、鼓膜穿孔和鼓膜内陷.结论 鼓室置管治疗儿童分泌性中耳炎,应用检测纯音测听、声导抗、DPOAE和耳镜检查,了解鼓室置管术后的并发症情况,综合评价对中耳功能的影响,具有临床指导意义.%Objective To investigate the effect of tympanostomy tube insertion on the middle ear function in children with secretory otitis media ( SOM). Methods Pure tone audiometry, acoustic impedance , distortion product otoacoustic emission ( DPOAE) examination and otoscopy were carried out in 47 children (58 ears) with SOM before tube insertion, one month and 6 months after tube insertion respectively to evaluate the changes of middle ear function and surgical complications. Results One month and 6 months after tube insertion, hearing of children with catheter patency was significantly improved. In addition, the detection rate and amplitude of DPOAE were significantly increased. The difference of hearing 1 month and 6 months after tube insertion was statistically insignificant. Surgical and postoperative complications included middle ear infection, recurrent SOM, tympanic perforation and tympanic membrane retraction. Conclusion Pure tone audiometry, acoustic impedance

  2. The ototoxicity of carboplatin in retinoblastoma children%卡铂对视网膜母细胞瘤化疗患儿听力损伤的观察

    Institute of Scientific and Technical Information of China (English)

    崔洁; 马晓莉; 于刚; 吴倩; 金眉; 长诚玥; 赵军阳

    2011-01-01

    Objective To analyse the ototoxicity of carboplatin in retinoblastoma children during chemecotherapy with CEV methods. Design Retrospective case series. Participants 95 children (135 eyes) with retinoblastoma in Department of Ophthalmology in Beijing Children s Hospital from November 2009 to February 2011. Methods Pure-tone audiometry, distortion-product otoacoustic e- mission and auditory brainstem response were used to measure the hearing threshold of bilateral ears at 1st, 3rd, and 6th chemecothera- py respectively. Main Outcome Measures The hearing threshold of bilateral ears. Results Three children were found to have elevated hearing threshold during chemotherapy at the 3rd chemecotherapy among all the 95 patients. Two of them were back to normal hearing status in the following measurement. Only one child remained abnormal hearing threshold of his left ear up to 60 dB till the last measurement. Conclusion The ototoxicity of carboplatin during the chemecotherapy of retinoblastoma children is not common, while concurrent audiologic follow-up is required.%目的 观察卡铂在化疗过程中对视网膜母细胞瘤患儿的听力损伤及其严重程度.设计 回顾性病例系列.研究对象 选择自2009年11月至2011年2月在我院进行卡铂(carboplatin)、依托泊苷(etoposide)、长春新碱(vincristine)方案化疗的视网膜母细胞瘤患者111例,排除相关因素后95例患者(135眼)入选.方法 分别在第1、3、6次化疗前进行与年龄相匹配的听力学检查,包括纯音测听(pure-tone audiometry)检查、畸变产物耳声发射(distortion-product otoacoustic emission,DPOAE)检查、听力脑干诱发电位(auditory brainstem response,ABR)检查等.观察化疗过程中双耳听力阈值的变化情况,并判断是否有听力损害.主要指标 听力阈值.结果 进行化学治疗的平均疗程为5.4次(3~10次).化疗过程中,95例患者中仅3例出现听力检查结果的异常,其中2例在随后的复

  3. Manifestações vestibulococleares em pacientes com diabetes melito tipo I Vestibulocochlear manifestations in patients with type I diabetes mellitus

    Directory of Open Access Journals (Sweden)

    Karlin Fabianne Klagenberg

    2007-06-01

    . The following procedures were carried out: a medical history, otological inspections, audiometry, acoustic impedance tests, and vestibular function tests. RESULTS: The prevalence of otoneurologic complaints was: headache (23.3%, vertigo (16.6%, and tinnitus (13.3%. The prevalence of associated complaints and habits was: caffeine abuse (20.0%, allergies (10.0%, and alcohol abuse (10.0%. The prevalence of normal auditory thresholds was 90.0%. Acoustic impedance showed no changes. The vestibular test showed changes in 60.0% of cases. Peripheral vestibular deficiency syndromes were also found. CONCLUSIONS: Significant vestibular system changes were found (60.0% compared to the auditory system (10.0%. Audiometry revealed mostly normal results. The vestibular test showed changes in the peripheral vestibular system and the peripheral vestibular deficiency syndrome.

  4. 儿童分泌性中耳炎听力学检查结果分析及意义探讨%An Analysis of Audiological Results in Children with Otitis Media with effusion

    Institute of Scientific and Technical Information of China (English)

    廖剑绚; 周芝芳; 李明

    2015-01-01

    目的:探讨听力学相关检查对分泌性中耳炎患儿的诊断的临床意义方法57例患儿,男30例、女27例,年龄5岁至9岁,平均年龄7岁4个月。每位患儿均进行纯音测听,鼓室声导抗测试、镫骨肌声反射测试、畸变产物耳声发射、听性脑干反应测试。结果57例患儿(114耳)中99耳证实有分泌性中耳炎,99耳中C型鼓室图42耳(42.4%),B型鼓室图53耳(53.5%),A型鼓室图4耳(4.04%)。纯音测听有气骨导差89耳(89.9%),听力正常10耳(10.1%)。听性脑干反应正常26耳(26.3%)。在鼓室图异常的95耳中,33耳(34.7%)能引出声反射,有声反射组患儿与无声反射组患儿及DPOAE通过组与未通过组分别进行纯音听阈进行t检验统计学分析,两者阈值均具有显著统计学差异(P<0.01)。结论听力学的相关综合检查对于儿童分泌性中耳炎的诊断有一定的临床意义。%Objective To investigate the value of audiology testing in assessing hearing in children with otitis media with effusion. Methods Audiology testing was conducted in 57 children (30 boys and 27girls, aver-age age=7.33 years, ranging from 5 to 9 years), including paediatric audiometry, tympanometry, acoustic re-flex threshold, distortion product otoacoustic emissions (DPOAE) and auditory brainstem responses (ABR). Results Of the 99 ears tested, tympanometry showed normal type A results in 4 ears (4.04%), type C results in 42 ears (42.4%), and type B results in 53 ears (53.5%). Audiometry results were abnormal in 89 ears (89.9%), and ABR results were normal in 26 ears (26.3%). In the 95 ears showing abnormal tympanometry, acoustic re-flex was present in 33 ears (34.7%). Audiometric thresholds showed significant differences when compared be-tween children with or without acoustic reflex and between children passing or failing DPOAE testing (P<0.01). Conclusion Audiology testing is a very important tool in assessing hearing in

  5. Risk factors for presbycusis in a socio-economic middle-class sample Estudo de fatores de risco para presbiacusia em indivíduos de classe sócio-econômica média

    Directory of Open Access Journals (Sweden)

    Cláudia Simônica de Sousa

    2009-08-01

    Full Text Available Presbycusis, or the aging ear, involves mainly the inner ear and the cochlear nerve, causing sensorineural hearing loss. Risk factors include systemic diseases and poor habits that cause inner ear damage and lead to presbycusis. Correct identification of these risk factors is relevant for prevention. AIM: To evaluate the prevalence and to identify the risk factors of presbycusis in a sample aged over 40 years. Study design: a retrospective case series. SUBJECTS AND METHODS: medical records of 625 patients were evaluated. Presbycusis was identified using pure tone audiometry, speech audiometry and impedance testing of all patients. RESULTS: The prevalence of presbycusis was 36.1%; the mean age was 50.5 years ranging from 40 to 86 years; 85.5% were male and 14.5% werf female. Age, the male gender, diabetes mellitus, and hereditary hearing loss were identified as risk factors. Cardiovascular diseases, smoking and consumption of alcohol were not confirmed as risk factors, although these have often been mentioned as risk factors for presbycusis. CONCLUSION: Notwithstanding the idea that presbycusis has multiple risk factors, this study identified few risk factors for this disease.A presbiacusia é consequência de lesões histopatológicas da orelha interna e nervo coclear e leva à deficiência auditiva sensório-neural. Fatores de risco como doenças sistêmicas e hábitos inadequados são agravantes para presbiacusia. A identificação destes fatores é relevante para sua prevenção. OBJETIVO: Avaliar a prevalência da presbiacusia e correlacionar eventuais fatores de risco numa amostra populacional. CASUÍSTICA E MÉTODO: Estudo retrospectivo de série de casos com amostragem aleatória de 625 prontuários de indiv��duos sem e com presbiacusia determinada por avaliação audiológica convencional. Foi feita a análise da associação da presbiacusia com fatores de risco pré-estabelecidos. RESULTADOS: A prevalência da presbiacusia foi de 36

  6. Clinical significance of ABR results in unilateral tinnitus with normal hearing%听力正常单侧耳鸣的双侧ABR结果比较及临床意义

    Institute of Scientific and Technical Information of China (English)

    杨海弟; 彭解人; 区永康; 黄夏茵

    2012-01-01

    目的 听力正常单侧耳鸣患者的双侧听性脑干反应(ABR)的结果比较及临床意义进行探讨,阐明听力正常耳鸣的可能发病机制.方法 对20例听力正常的单侧耳鸣患者,常规进行耳专科检查及声导抗检查,排除外中耳病变.分别记录双侧纯音测听、耳声发射(DPOAE)及ABR,将耳鸣侧与非耳鸣侧的ABR结果进行对比分析.结果 耳鸣侧与非耳鸣侧在纯音听阈、声导抗、DPOAE及ABR阈值上均表现正常,无统计学差异,但耳鸣侧ABR的I波幅度0.19uV,V波幅度0.24uV,V/I比值为1.31;非耳鸣侧ABR的I波幅度0.14uV,V波幅度0.26uV,V/I比值为2.19.结论 虽然单侧耳鸣患者耳鸣侧未发现听阈提高,但其V/I比值明显较非耳鸣侧下降(V/I比值为1.31vs2.19),提示在中脑传入信号减少,在听觉中枢维持内环境神经平衡的机制作用下导致听觉皮层神经元兴奋性增强,可能是耳鸣产生的原因之一.%Objective Comparison the bilateral auditory brainstem response ( ABR ) results of unilateral tinnitus patients with normal hearing and analysis clinical significance,discussed the possible mechanism of tinnitus with normal hearing. Methods 20 cases of unilateral tinnitus patients with normal hearing were documented bilateral audiometry, otoacoustic emission ( DPOAE ) and ABR, comparative analysis the ABR results of the side with the tinnitus and non-tinnitus side.Results The pure tone audiometry, DPOAE and ABR threshold showed normal, no statistical difference, but the tinnitus side I wave amplitude is 0.19uV,V wave amplitude is 0.24uV, V/I ratio is 1.31; but the non-tinnitus side I wave amplitude is 0.14uV, V wave amplitude is 0.26uV,V/I ratio is 2.19. Conclusion Although unilateral tinnitus patients with tinnitus side did not found threshold increase, but the V/I ratio was significantly decreased than the non-tinnitus side (V/I is 1.31vs 2.19), prompting in the midbrain afferent signal is reduced, in the central auditory system of

  7. 耳屏软骨-软骨膜复合体厚度测量及其在鼓室成形术中的应用%The Measurements of the Thickness and Application of Tragus Cartilage -Perichondrium Complex in Tympanoplasty

    Institute of Scientific and Technical Information of China (English)

    杜娟; 许为青; 赵海专

    2014-01-01

    目的:测量耳屏软骨-软骨膜复合体厚度,探讨其对中耳炎手术治疗效果及重建听力的影响。方法49例(50耳)慢性中耳炎患者根据病情行伴或不伴乳突根治的鼓室成形术,均以耳屏软骨-软骨膜复合体修补鼓膜,术中测量耳屏软骨-软骨膜复合体厚度,术后每周随访一次至干耳,术后半年复查纯音听阈,分析耳屏软骨-软骨膜复合体厚度、干耳与否、干耳时间、鼓膜生长情况、术前和术后半年0.5、1.0、2.0、3.0kHz频率的纯音听阈。结果50耳耳屏软骨-软骨膜复合体的平均厚度为0.87±0.08mm(0.72~1.07mm),干耳时间3~12w ,中位数3 w ;42耳术后随访半年,鼓膜形态、色泽良好;其中31耳患耳气骨导差缩小,听力提高,另11耳听力结果未纳入分析。结论耳屏软骨-软骨膜复合体的厚度较恒定,作为修复中耳材料具有干耳时间较短、利于听力改善、并发症较少等特点。%Objective By measuring the thickness of tragus cartilage -perichondrium complex in 50 ears ,to evaluate the feasibility and efficacy of practical application with tragus cartilage -perichondrium complex in the tym-panoplasty based on a clinical tria1 .Methods A retrospective study was carried out among 50 ears with chronic oti-tis media ,treated in our hospital by a surgical procedure with tragus cartilage -perichondrium complex used in the tympanoplasty .The thickness of tragus cartilage -perichondrium complex was mearured during operation .Postoper-ative following -up was completed once a week to ear -drying .The pure tone audiometry(PTA) was reexamined at half a year after operation .The observations included the thickness of tragus cartilage -perichondrium comple ,the dry status ,drying time of tympanic membrane ,and the preoperative and half a year postoperative PT A .Results The average thickness of tragus cartilage-perichondrium complex in the 50 ears was 0 .87

  8. 职业病危害因素联合作用对劳动者健康的影响%Combined effect of occupational hazards on health of workers

    Institute of Scientific and Technical Information of China (English)

    马效东; 杨子娟; 侯丽明; 霍俊锋; 杨艳

    2013-01-01

    目的 研究职业病危害因素联合作用对劳动者健康的影响,为制定职业病防护措施提供依据.方法 选取接触噪声、噪声+粉尘、噪声+粉尘+毒物的劳动者各200人作为研究组,选取不接触职业病危害因素,其他条件相近的劳动者200人作为对照组,收集职业健康检查资料,比较其检查异常发生情况,并采用SPSS 13.0软件进行统计分析.结果 噪声+粉尘+毒物组除尿常规外各项指标检查异常率明显高于对照组(P<0.01).噪声组、噪声+粉尘组、噪声+粉尘+毒物组电测听异常率高于对照组(P<0.01).噪声+粉尘组和噪声+粉尘+毒物组胸片异常率高于噪声组和对照组(P<0.01).噪声组、噪声+粉尘组和噪声+粉尘+毒物组血压异常率高于对照组(P<0.01).噪声+粉尘组和噪声+粉尘+毒物组肺功能异常率高于噪声组和对照组(P<0.01).血常规、电测听、心电图、血压、胸片和肺功能与职业病危害因素种类呈正相关.结论 多种职业病危害因素对劳动者健康的影响可能存在协同加强的联合作用.%[Objective]To study the combined effect of occupational hazards on health of workers, and provide evidence for developing occupational protection measures. [Methods]Two hundreds workers exposed to noise, 200 exposed to noise + dust, and 200 exposed to noise + dust + toxicant were selected as study group, another 200 workers with similar condition and no exposure were selected as control group. Occupational health examination data were collected for incidence comparison of abnormality. SPSS 13.0 was used for statistical analysis. [Results] Except for urine routine examination, the abnormal rates of other indicators in noise + dust group were significantly higher than those of control group (P < 0.01). The abnormal rate of electric audiometry in noise + dust group and noise + dust + toxicant group was significantly higher than that in control group (P <0.01). The abnormal

  9. Perda auditiva induzida por ruído e hipertensão em condutores de ônibus Noise-induced hearing loss and high blood pressure among city bus drivers

    Directory of Open Access Journals (Sweden)

    Heleno Rodrigues Corrêa Filho

    2002-12-01

    Full Text Available OBJETIVO: Estimar as prevalências de perda auditiva induzida por ruído e hipertensão arterial em condutores de ônibus urbanos. MÉTODOS: Executou-se estudo transversal em amostra probabilística de 108 motoristas da cidade de Campinas, SP. Aplicou-se questionário sobre história profissional, jornadas de trabalho e repouso, e realizou-se exame físico e laboratorial incluindo medida da pressão arterial, audiometria tonal limiar, logoaudiometria e dados antropométricos, após a obtenção de consentimento. RESULTADOS: A prevalência de perda auditiva induzida por ruído foi de 32,7% do total examinado. Segundo a classificação de Merluzzi, nos 31 casos classificados em primeiro e segundo graus, observou-se que a freqüência audiométrica com perda auditiva mais acentuada foi a de 6 kHz (61,3%, seguida pela de 4 kHz (38,7%, sem diferenças significantes quanto à lateralidade. A prevalência de hipertensão arterial diastólica (PAD³90 mmHG; PAS³140 mmHG foi de 13,2% dos examinados. CONCLUSÕES: O risco de disacusia induzida por ruído foi maior para os motoristas com mais de seis anos de trabalho, após ajuste para a perda relacionada com a idade, com um odds ratio de 19,25 (1,59OBJECTIVE: To estimate the prevalence of occupational noise-induced hearing loss and arterial hypertension among city bus drivers. METHODS: A cross-sectional study was carried out on a probability random sample of 108 city bus drivers taken out of a total of 1,529 estimated professionals in the city of Campinas, Brazil, in 1991. Drivers were interviewed using questionnaires on job history, shift work and vacation schedules and underwent clinical and laboratory examinations including measures of blood pressure, pure-tone audiometry, speech audiometry, and anthropometric data analysis after an informed consent was obtained. RESULTS: The prevalence of noise-induced hearing loss was 32.7%. According to Merluzzi's classification, 91.2% (31 cases were classified as

  10. Perda auditiva e hipertensão: achados em um grupo de idosos Hearing loss and hypertension: findings in an older by group

    Directory of Open Access Journals (Sweden)

    Giovana S. Baraldi

    2004-10-01

    Full Text Available Com o avanço da idade cresce o número de doenças crônicas sendo a hipertensão arterial sistêmica (HAS e a perda auditiva de grande prevalência na população idosa. OBJETIVO: Comparar e analisar os resultados de anamnese e audiometria tonal limiar de pacientes idosos hipertensos e não-hipertensos. FORMA DE ESTUDO: Estudo de coorte contemporânea transversal. MATERIAL E MÉTODO: Este estudo foi realizado na UNIFESP no período de março a novembro de 2003. Foram avaliados através de anamnese e audiometria tonal limiar 70 idosos, com idade entre 60 e 92 anos, sendo 15 do sexo masculino e 54 do sexo feminino. RESULTADOS: Quanto aos achados audiológicos dos grupos estudados pode-se observar diferença com relação à configuração audiométrica do tipo rampa e a queixa de "zumbido", ambas mais freqüentes no grupo dos idosos não-hipertensos. CONCLUSÃO: Os idosos hipertensos não apresentaram maior déficit auditivo, sendo o grau de perda de audição semelhante nos dois grupos. A configuração audiométrica predominante no grupo de idosos hipertensos foi do tipo plana, enquanto que nos não-hipertensos foi do tipo rampa. Com relação às queixas audiológicas, o grupo de não-hipertensos apresentou maior ocorrência da queixa "zumbido".As the age advances, the number of chronic diseases also grows, the systemic arterial hypertension (SAH and hearing loss having a significant prevalence in aged people. OBJECTIVE: To compare and analyze anamnesis and threshold tonal audiometry results in both hypertensive and non-hypertensive patients. STUDY DESIGN: Transversal contemporany cohort study. MATERIAL AND METHOD: This study has been conducted at UNIFESP in the period from March to November 2003. Seventy people in the age group from 60 to 92 - 15 male and 54 female - were evaluated through anamnesis and threshold tonal audiometry. RESULTS: As to audiology findings of groups studied, a difference can be noted regarding "ramp

  11. The characteristic and clinical significance of DPOAE in the patients with serious OSAS%畸变产物耳声发射在重度阻塞性睡眠呼吸暂停综合征中的特点及其临床意义

    Institute of Scientific and Technical Information of China (English)

    韩浩伦; 吴玮; 屈昌北; 陈艳芳; 孙建芝

    2011-01-01

    目的 观察并评估畸变产物耳声发射(DPOAE)检查在重度阻塞性睡眠呼吸暂停综合征(OSAS)患者中的特点并分析其临床意义.方法 选择60例经睡眠呼吸监测确诊为重度OSAS的患者为实验组,年龄、性别与实验组相匹配的正常人群15例作为对照组.应用耳声发射检测仪对两组进行DPOAE检查、纯音测听检查,对睡眠监测及DPOAE检测结果进行分析、比较.结果 重度OSAS患者主观听力无下降,但DPOAE在0.75~8kHz各频率反应幅值较正常对照组明显降低,与正常组比较,其结果有显著性差异;DPOAE反应幅值与血氧饱和度降低及呼吸紊乱指数具有显著的相关性.结论 大部分重度OSAS病人存在不同程度的耳蜗损害,主要表现为畸变产物耳声发射反应幅值的降低,该指标敏感性高,可以作为评估重度OSAS患者早期耳蜗损害的一项指标.%Objective To study the characteristic of distortion-product otoacoustic emissions (DPOAE) in patients with serious OSAHS and anlysis the clinical significance Methods Sixty patients diagnosised as serious OSAHS by PSG in experimental group were compared with fifteen common persons age- and sex- matched subjects in control group. Both groups receiced distortion-product otoacoustic emission and pure tone audiometry testing,The statistical analysis was carried out on the data obtained from the two groups.Results There were no hearing loss among experimental group by using pure tone audiometry ,but the amplitudes of DPOAEs were reduced obviously in the group. There were significant differences between experimental and control groups. Correlation analysis of the results from all subjects revealed significant covariance with oxygen saturation and AHI for amplitude of DPOAE. Conclusion Most patients with serious OSAHS have cochlear damage in some extent, the main change is the ampltitudes of DPOAE reduced, and it is-very sensitive for detecting injured changes in cochlear of the

  12. Estudo de caso: neuropatia auditiva Auditory neuropathy: a study case

    Directory of Open Access Journals (Sweden)

    Viviane M. Parra

    2003-03-01

    Full Text Available Atualmente, podemos complementar os resultados encontrados na audiometria convencional com os obtidos nos exames eletrofisiológicos, o que nos permite diagnosticar não apenas uma perda auditiva periférica, mas também diferenciar uma perda auditiva coclear da neural, ou central. Isto nos conduziu a um grupo novo de pacientes que apresentava alteração na sincronia neural com função normal das células ciliadas externas. Esta patologia é conhecida como Neuropatia Auditiva. O objetivo deste estudo é descrever as características audiológicas de um paciente com Neuropatia Auditiva atendido no Centro de Docência e Pesquisa em Fonoaudiologia da Faculdade de Medicina da Universidade de São Paulo (FMUSP, correlacionando os achados com os encontrados na literatura. O caso descrito é de um indivíduo de 24 anos de idade, com o diagnóstico de Neuropatia Auditiva, atendido no ano de 2001 no Centro de Docência e Pesquisa em Fonoaudiologia da FMUSP. Foram realizados anamnese, audiometria tonal e vocal, medidas de imitância acústica, Emissões Otoacústicas (EOAs e Audiometria de Tronco Encefálico (ABR. Observamos no caso estudado a incompatibilidade de resultados entre audiometria tonal e testes de inteligibilidade de fala, com os exames objetivos, EOAs e ABR, onde observou-se perda auditiva com importante alteração nos testes de inteligibilidade de fala, EOAs presentes e ABR anormal. Estes dados sugerem função coclear normal e alteração da sincronia neural.Nowadays, in our clinic, we can complement the conventional audiometry results with electrophysiologic exams. Not only does allow us to diagnose a peripheral hearing loss but also to differentiate cochlear, neural or central hearing loss. It led us to a new group of patients that presented changes in neural synchrony, with normal functions of the outer ear hair cells. This pathology is known as Auditory Neuropathy. Our study purpose is describe the audiologist characteristic of a

  13. Perfil audiológico de pacientes com diabetes mellitus tipo II Audiologic profile of patients with diabetes mellitus type II

    Directory of Open Access Journals (Sweden)

    Juliana Mota Ferreira

    2007-12-01

    Full Text Available OBJETIVO: Pacientes acometidos por Diabetes Mellitus (DM do tipo II constituem uma população de risco para alterações auditivas, uma vez que alterações metabólicas podem afetar tecidos nervosos e vasculares, que atingem diretamente os órgãos responsáveis pela audição. O presente estudo buscou investigar o perfil audiológico de pacientes com DM do tipo II. MÉTODOS: Foi realizado um estudo descritivo, no qual foram avaliados 44 sujeitos (88 orelhas. A população selecionada encontrava-se na faixa etária de 25 a 65 anos de idade. Todos os sujeitos realizaram avaliação audiológica, sendo submetidos a audiometria tonal liminar, audiometria vocal e imitância acústica. RESULTADOS: A prevalência de pacientes com DM do tipo II foi maior no sexo feminino (77,3%. Trinta e um (70,4% pacientes apresentavam DM tipo do II a um período inferior a 10 anos. Trinta e três orelhas (37,5% apresentaram perda auditiva neurossensorial de grau leve ou moderado, com predomínio em freqüências altas. Na imitância acústica, 71 orelhas (80,7% apresentaram curva do tipo A, e 83 orelhas (94,3% tiveram presença de reflexo estapediano. CONCLUSÃO: Observou-se a ocorrência de perda auditiva em pacientes portadores de DM do tipo II, conseqüentemente, a avaliação audiológica desses pacientes é importante para o acompanhamento das alterações auditivas.PURPOSE: People that suffer from Diabetes Mellitus (DM type II constitute a risk population for hearing disorders, since metabolic disease can affect nerve and vascular tissues that attain directly the auditory system. The present study investigated the audiologic profile of patients with DM type II. METHODS: A descriptive study was carried out, where 44 patients (88 ears were evaluated. The ages of the subjects ranged from 25 to 65 years. All subjects underwent an audiological evaluation that included pure tone audiometry, speech audiometry and acoustic immittance measures. RESULTS: The prevalence

  14. Hypofractionated stereotactic radiotherapy of acoustic neuroma. Volume changes and hearing results after 89-month median follow-up

    Energy Technology Data Exchange (ETDEWEB)

    Kranzinger, Manfred; Fastner, Gerd [Paracelsus Medical University Clinics (PMU), University Clinic of Radiotherapy and Radio-Oncology, Salzburg County Hospital, Salzburg (Austria); Zehentmayr, Franz; Sedlmayer, Felix [Paracelsus Medical University Clinics (PMU), University Clinic of Radiotherapy and Radio-Oncology, Salzburg County Hospital, Salzburg (Austria); Salzburg County Hospital, Paracelsus Medical University Clinics, radART - Institute for Research and Development on Advanced Radiation Technologies, Salzburg (Austria); Oberascher, Gerhard [Paracelsus Medical University Clinics (PMU), University Clinic of Ear, Nose and Throat Diseases, Salzburg County Hospital, Salzburg (Austria); Merz, Florian; Rahim, Hassan [Salzburg County Hospital, Paracelsus Medical University Clinics, Medical Radiation Protection Unit, Salzburg (Austria); Nairz, Olaf [Clinic Bad Trissl, Oberaudorf (Germany)

    2014-09-15

    The goal of this work was to evaluate toxicity and local control following hypofractionated stereotactic radiation treatment with special focus on changes in tumor volume and hearing capacity. In all, 29 patients with unilateral acoustic neuroma were treated between 2001 and 2007 within a prospective radiation protocol (7 x 4 Gy ICRU dose). Median tumor volume was 0.9 ml. Follow-up started at 6 months and was repeated annually with MRI volumetry and audiometry. Hearing preservation was defined as preservation of Class A/B hearing according to the guidelines of the American Academy of Otolaryngology (1995). No patient had any intervention after a median imaging follow-up of 89.5 months, one patient showed radiological progression. Transient increase of tumor volume developed in 17/29 patients, whereas 22/29 patients (75.9 %) presented with a volume reduction at last follow-up. A total of 21 patients were eligible for hearing evaluation. Mean pure tone average (PTA) deteriorated from 39.3 to 65.9 dB and mean speech discrimination score (SDS) dropped from 74.3 to 38.1 %. The 5-year actuarial Class A/B hearing preservation rate was 50.0 ± 14.4 %. Radiation increases only minimally, if at all, the hearing deterioration which emerges by observation alone. Presbyacusis is not responsible for this deterioration. Transient tumor enlargement is common. Today radiation of small- and medium-sized acoustic neuroma can be performed with different highly conformal techniques as fractionated treatment or single low-dose radiosurgery with equal results regarding tumor control, hearing preservation, and side effects. Hypofractionation is more comfortable for the patient than conventional regimens and represents a serious alternative to frameless radiosurgery. (orig.) [German] Ziel der Studie war die Evaluierung der Toxizitaet und der lokalen Tumorkontrolle einer hypofraktionierten stereotaktischen Bestrahlung mit besonderem Augenmerk auf Veraenderungen von Tumorvolumen und

  15. General Characteristics and Risk Factors of Cardiovascular Disease among Interstate Bus Drivers

    Directory of Open Access Journals (Sweden)

    Raquel Pastréllo Hirata

    2012-01-01

    Full Text Available Workers in the transportation industry are at greater risk of an incorrect diet and sedentary behavior. The aim of our study was to characterize a population of professional bus drivers with regard to clinical and demographic variables, lipid profile, and the presence of cardiovascular risk factors. Data from 659 interstate bus drivers collected retrospectively, including anthropometric characteristics, systolic and diastolic blood pressure, lipid profile, fasting blood glucose, meatoscopy, and audiometry. All participants were male, with a mean age of 41.7±6.9 years, weight of 81.4±3.3 kg, and BMI 27.2±3.3 Kg/m2; the mean abdominal and neck circumferences were 94.4±8.6 cm and 38.9±2.2  cm; 38.2% of the sample was considered hypertensive; mean HDL cholesterol was 47.9±9.5 mg/dL, mean triglyceride level was 146.3±87.9 mg/dL, and fasting glucose was above 100 mg/dL in 249 subjects (39.1%. Drivers exhibited reduced audiometric hearing at 4–8 kHz, being all sensorineural hearing loss. The clinical characterization of a young male population of interstate bus drivers revealed a high frequency of cardiovascular risk factors, as obesity, hypertension, hyperlipidemia, and hyperglycemia, as well as contributing functional characteristics, such as a low-intensity activity, sedentary behavior, long duration in a sitting position, and high-calorie diet, which lead to excessive weight gain and associated comorbidities.

  16. Sensitivity of cortical auditory evoked potential detection for hearing-impaired infants in response to short speech sounds

    Directory of Open Access Journals (Sweden)

    Bram Van Dun

    2012-01-01

    Full Text Available

    Background: Cortical auditory evoked potentials (CAEPs are an emerging tool for hearing aid fitting evaluation in young children who cannot provide reliable behavioral feedback. It is therefore useful to determine the relationship between the sensation level of speech sounds and the detection sensitivity of CAEPs.

    Design and methods: Twenty-five sensorineurally hearing impaired infants with an age range of 8 to 30 months were tested once, 18 aided and 7 unaided. First, behavioral thresholds of speech stimuli /m/, /g/, and /t/ were determined using visual reinforcement orientation audiometry (VROA. Afterwards, the same speech stimuli were presented at 55, 65, and 75 dB SPL, and CAEP recordings were made. An automatic statistical detection paradigm was used for CAEP detection.

    Results: For sensation levels above 0, 10, and 20 dB respectively, detection sensitivities were equal to 72 ± 10, 75 ± 10, and 78 ± 12%. In 79% of the cases, automatic detection p-values became smaller when the sensation level was increased by 10 dB.

    Conclusions: The results of this study suggest that the presence or absence of CAEPs can provide some indication of the audibility of a speech sound for infants with sensorineural hearing loss. The detection of a CAEP provides confidence, to a degree commensurate with the detection probability, that the infant is detecting that sound at the level presented. When testing infants where the audibility of speech sounds has not been established behaviorally, the lack of a cortical response indicates the possibility, but by no means a certainty, that the sensation level is 10 dB or less.

  17. A Study of Relationship between the Acoustic Sensitivity of Vestibular System and the Ability to Trigger Sound-Evoked Muscle Reflex of the Middle Ear in Adults with Normal Hearing

    Directory of Open Access Journals (Sweden)

    S.F. Emami

    2014-07-01

    Full Text Available Introduction & Objective: The vestibular system is sound sensitive and the sensitivity is related to the saccule. The vestibular afferents are projected to the middle ear muscles (such as the stapedius. The goal of this research was studying the relationship between the vestibular hearing and the sound-evoked muscle reflex of the middle ear to 500 HZ. Materials & Methods: This study was a cross sectional-comparison done in audiology department of Sheikholreis C‍‍linic (Hamadan, Iran. The study groups consisted of thirty healthy people and thirty patients with benign paroxysmal positional vertigo. Inclusion criteria of the present study were to have normal hearing on pure tone audiometry, acoustic reflex, and speech discrimination scores. Based on ipsilateral acoustic reflex test at 500HZ, they were divided to normal and abnormal groups. Then they were evaluated by cervical vestibular evoked myogenic potentials (cVEMPs and finally classified in three groups (N Normal ear , (CVUA Contra lateral vertiginous ear with unaffected saccular sensitivity to sound,(IVA Ipsilateral vertiginous ear with affected saccular sensitivity to sound. Results: Thirty affected ears (IVA with decreased vestibular excitability as detected by ab-normal cVEMPs, revealed abnormal findings of acoustic reflex at 500HZ. Whereas, both un-affected (CVUA and normal ears (N had normal results. Multiple comparisons of mean values of cVEMPs (p13,n23 and acoustic reflex at500HZ among the three groups were sig-nificant. The correlation between acoustic reflex at 500HZ and p13 latencies was significant. The n23 latencies showed significant correlation with acoustic reflex at 500HZ. Conclusion: The vestibular sensitivity to sound retains the ability to trigger sound-evoked re-flex of the middle ear at 500 HZ. (Sci J Hamadan Univ Med Sci 2014; 21 (2:99-104

  18. 放松训练用于轻中度突发性耳聋患者的效果评价%Effects of relaxation training on sudden deafness patients with mild-to-moderate

    Institute of Scientific and Technical Information of China (English)

    庄伟清; 孟作为; 邹虹; 廖素华

    2014-01-01

    目的 观察放松训练对轻中度突发性耳聋(sudden hearing loss,SHL)患者的治疗效果.方法 将78例轻中度突发性耳聋患者,随机分为观察组38例和对照组40例.观察组在对照组采取常规治疗和护理的基础上,每日早晚各加1次放松训练.分别于干预前和干预3周后进行纯音听阈测定,比较2组患者的听阈水平.结果 观察组患者听阈水平显著低于对照组,差异有统计学意义.结论 放松训练疗法对轻中度突发性耳聋患者的听力恢复具有显著疗效.%Objective To evaluate the effect of relaxation training on sudden deafness patients with mild or moderate grade.Methods 78 patients were divided into the observation group (38 cases) and the control group (40 cases).Besides usual care and nursing,the observation group was treated with relaxation training daily in the morning and evening.The pure tone audiometry scores before and after nursing intervention and treatment was compared between two groups.Results There was significant difference in threshold level between two groups.Conclusions Relaxation training was an effective nursing intervention for sudden deafness patients with mild-to-moderate grade.

  19. Disrupted functional brain connectome in unilateral sudden sensorineural hearing loss.

    Science.gov (United States)

    Xu, Haibo; Fan, Wenliang; Zhao, Xueyan; Li, Jing; Zhang, Wenjuan; Lei, Ping; Liu, Yuan; Wang, Haha; Cheng, Huamao; Shi, Hong

    2016-05-01

    Sudden sensorineural hearing loss (SSNHL) is generally defined as sensorineural hearing loss of 30 dB or greater over at least three contiguous audiometric frequencies and within a three-day period. This hearing loss is usually unilateral and can be associated with tinnitus and vertigo. The pathogenesis of unilateral sudden sensorineural hearing loss is still unknown, and the alterations in the functional connectivity are suspected to involve one possible pathogenesis. Despite scarce findings with respect to alterations in brain functional networks in unilateral sudden sensorineural hearing loss, the alterations of the whole brain functional connectome and whether these alterations were already in existence in the acute period remains unknown. The aim of this study was to investigate the alterations of brain functional connectome in two large samples of unilateral sudden sensorineural hearing loss patients and to investigate the correlation between unilateral sudden sensorineural hearing loss characteristics and changes in the functional network properties. Pure tone audiometry was performed to assess hearing ability. Abnormal changes in the peripheral auditory system were examined using conventional magnetic resonance imaging. The graph theoretical network analysis method was used to detect brain connectome alterations in unilateral sudden sensorineural hearing loss. Compared with the control groups, both groups of unilateral SSNHL patients exhibited a significantly increased clustering coefficient, global efficiency, and local efficiency but a significantly decreased characteristic path length. In addition, the primary increased nodal strength (e.g., nodal betweenness, hubs) was observed in several regions primarily, including the limbic and paralimbic systems, and in the auditory network brain areas. These findings suggest that the alteration of network organization already exists in unilateral sudden sensorineural hearing loss patients within the acute period

  20. "Audiometric studies in 53 cases with sudden sensorineural hearing loss:can we suggest an algorithm for treatment? "

    Directory of Open Access Journals (Sweden)

    Nemati Sh

    2007-08-01

    Full Text Available Background: Sudden sensorinueural hearing loss (SSNHL is a baffling condition for patients, and its etiology, audiologic characteristics, prognostic factors, and treatment are still controversial. Methods: In this prospective study, we performed pure tone audiometry (PTA, impedance acoustics (IA, auditory brainstem responses (ABR, otoacoustic emissions (OAE, and transiently evoked otoacoustic emissions (TEOAE before beginning treatment for 53 patients with SSNHL. We then entered each patient, randomly and alternately, in one of two treatment groups: oral steroids + acyclovir vs. intravenous urographin. Results: In 22 (41.5% of the 53 patients (22 female, 31 male, we found negative or no signal to noise ratio and overall correlation in TEOAE. Furthermore, 26 cases (49% had positive overall correlations less than 50%, and five cases (4.4% had overall correlations >50%. Although 15 cases (28.3% responded well, 20 cases (37.7% showed only a partial response, and 18 cases (33.9% had poor or no response to our treatment. The mean value for overall correlation in the three subgroups of patients (no response, partial response, and complete response was -3.5% (±1/16%, + 11% (±1.99%, and +36.6% (±3.07% respectively (P = 0.01. From 52 cases, 20 had no reproducible wave in ABR (38.5%, three cases had abnormal ABR with normal OAE, all of which responded completely to treatments. Thirteen cases had abnormal ABR and OAE, none of which responded to treatment, and six cases had normal ABR with abnormal OAE, which often responded to treatment. Conclusions: ABR and OAE may be useful in the diagnosis of SSNHL and determining the site of such lesions as ischemia or neuropathy. The overall correlation (and S/N ratio in TEOAE is a valuable prognostic factor in SSNHL.

  1. Ischemia as a potential etiologic factor in idiopathic unilateral sudden sensorineural hearing loss: Analysis of posterior circulation arteries.

    Science.gov (United States)

    Kim, Chulho; Sohn, Jong-Hee; Jang, Min Uk; Hong, Sung-Kwang; Lee, Joong-Seob; Kim, Hyung-Jong; Choi, Hui-Chul; Lee, Jun Ho

    2016-01-01

    The association between idiopathic sudden sensorineural hearing loss (ISSNHL) and the radiologic characteristics of the vertebrobasilar artery is unclear. We hypothesized that the degree and direction of vertebrobasilar artery curvature in the posterior circulation contribute to the occurrence of ISSNHL. We consecutively enrolled patients diagnosed with unilateral ISSNHL in two tertiary hospitals. Magnetic resonance images were performed in all patients to exclude specific causes of ISSNHL, such as vestibular schwannoma, chronic mastoiditis, and anterior inferior cerebellar artery infarct. We measured the following parameters of posterior circulation: vertebral and basilar artery diameter, the degree of basilar artery curvature (modified smoker criteria), and vertebral artery dominance. Pure tone audiometries were performed at admission and again 1 week and 3 months later. A total of 121 ISSNHL patients (mean age, 46.0 ± 17.3 years; 48.8% male) were included in these analyses. The proportion of patients with the left side hearing loss was larger than the proportion with the right side hearing loss (left, 57.9%; right, 42.1%). The majority of patients were characterized by a left dominant vertebral artery and right-sided basilar artery curvature. The direction of the basilar artery curvature was significantly associated with hearing loss lateralization (p = 0.036). Age and sex matched multivariable analyses revealed the absence of diabetes and right-sided basilar artery curvature as significant predictors for left sided hearing loss. There was no statistical difference between atherosclerotic cardiovascular risk score (high versus low) and hearing outcomes at 3 months. In ISSNHL, the laterality of hearing loss was inversely associated with the direction of basilar artery curvature. Our results, therefore, indicate the importance of vascular assessment when evaluating ISSNHL.

  2. Vestibular Evoked Myogenic Potential Produced by Bone-Conducted Stimuli: A Study on its Basics and Clinical Applications in Patients With Conductive and Sensorineural Hearing Loss and a Group With Vestibular Schawannoma

    Directory of Open Access Journals (Sweden)

    Parvane Mahdi

    2013-06-01

    Full Text Available Introduction: Vestibular evoked myogenic potential (VEMP has recently been broadly studied in vestibular disorders. As it is evoked by loud sound stimulation, even mild conductive hearing loss may affect VEMP results. Bone-conducted (BC stimulus is an alternative stimulation for evoking this response. This study aims to assess the characteristics of BC-VEMP in different groups of patients.   Materials and Methods: We performed a cross sectional analysis on 20 healthy volunteers with normal pure-tone audiometry as a control group; and on a group of patients consisted of 20 participants with conductive hearing loss, five with bilateral sensorineural hearing loss and four with vestibular schawannoma. AC and BC-VEMP were performed in all participants.   Results: In control group the VEMP responses to both kinds of stimuli had an acceptable morphology and consisted of p13 and n23 waves. Latency value of these main components in each type of stimulus was not significantly different (P>0.05. However, the mean amplitude was larger in BC modality than AC stimulation (P=0.025. In the group with conductive hearing loss, the VEMP response was absent in fifteen (46.87% of the 32 ears using the AC method, whereas all (100% displayed positive elicitability of VEMP by BC method. Normal VEMP responses in both stimuli were evoked in all patients with sensorineural hearing loss. In patients with unilateral vestibular schwannomas (VS, 2 (50.00% had neither AC-VEMP nor BC-VEMP. Conclusion:  Auditory stimuli delivered by bone conduction can evoke VEMP response. These responses are of vestibular origin and can be used in vestibular evaluation of patients with conductive hearing loss.

  3. Association between polymorphism of interleukin-6 in the region -174G/C and tinnitus in the elderly with a history of occupational noise exposure

    Directory of Open Access Journals (Sweden)

    Marcelo Yugi Doi

    2015-01-01

    Full Text Available Tinnitus is a symptom usually related to cochlear change that may arise from noise exposure and induces expression of proinflammatory cytokines including interleukin-6 (IL6. This study aimed to evaluate the association between the polymorphism of the IL6 gene in the region 174G/C and tinnitus in elderly with history of occupational noise exposure. Settings and Design: This was a cross-sectional study with a sample of 179 independent elderly individuals aged >60 years. Information on exposure to occupational noise was obtained by interviews. Audiological evaluation was performed using pure tone audiometry and genotyped through polymerase chain reaction by restriction fragment length polymorphism (PCR-RFLP. Data were analyzed using the chi-square test and the odds ratio (OR, with the significance level set at 5%. Among the study subjects, 24.6% were homozygous for the G allele, 39.7% were homozygous for the C allele, and 35.8% were heterozygous for IL6 (P > 0.05. Of these, 33.5% reported noise exposure history, with 42.5% having tinnitus. We found significant association between the genotype and allele frequencies of the IL6 −174 gene (rs1800795 and tinnitus among the elderly with history of exposure to occupational noise (P = 0.03. The elderly with the C allele were less likely to have tinnitus associated with history of exposure to occupational noise [OR = 0.167, confidence interval (CI 95% 0.167-0.749; P = 0.004] when compared to those carrying the G allele. This study suggests that there is an association between polymorphisms in the IL6 gene at region - 174G/C and susceptibility to tinnitus.

  4. Topical administration of hyaluronic acid in children with recurrent or chronic middle ear inflammations.

    Science.gov (United States)

    Torretta, Sara; Marchisio, Paola; Rinaldi, Vittorio; Gaffuri, Michele; Pascariello, Carla; Drago, Lorenzo; Baggi, Elena; Pignataro, Lorenzo

    2016-09-01

    Hyaluronic acid (HA) treatment has been successfully performed in patients with recurrent upper airway infections or rhinitis. The aim of this study was to assess the efficacy and safety of the topical nasal administration of an HA-based compound by investigating its effects in children with recurrent or chronic middle ear inflammations and chronic adenoiditis. A prospective, single-blind, 1:1 randomised controlled study was performed to compare otoscopy, tympanometry and pure-tone audiometry in children which received the daily topical administration of normal 0.9% sodium chloride saline solution (control group) or 9 mg of sodium hyaluronate in 3 mL of a 0.9% sodium saline solution. The final analysis was based on 116 children (49.1% boys; mean age, 62.9 ± 17.9 months): 58 in the control group and 58 in the study group. At the end of follow-up, the prevalence of patients with impaired otoscopy was significantly lower in the study group (P value = 0.024) compared to baseline but not in the control group. In comparison with baseline, the prevalence of patients with impaired tympanometry at the end of the follow-up period was significantly lower in the study group (P value = 0.047) but not in the control group. The reduction in the prevalence of patients with conductive hearing loss (CHL) (P value = 0.008) and those with moderate CHL (P value = 0.048) was significant in the study group, but not in the control group. The mean auditory threshold had also significantly improved by the end of treatment in the study group (P value = 0.004) but not in the control group. Our findings confirm the safety of intermittent treatment with a topical nasal sodium hyaluronate solution and are the first to document its beneficial effect on clinical and audiological outcomes in children with recurrent or chronic middle ear inflammations associated with chronic adenoiditis. PMID:27481884

  5. Long term streptomycin toxicity in the treatment of Buruli Ulcer: follow-up of participants in the BURULICO drug trial.

    Directory of Open Access Journals (Sweden)

    Sandor Klis

    2014-03-01

    Full Text Available BACKGROUND: Buruli Ulcer (BU is a tropical infectious skin disease that is currently treated with 8 weeks of intramuscular streptomycin and oral rifampicin. As prolonged streptomycin administration can cause both oto- and nephrotoxicity, we evaluated its long term toxicity by following-up former BU patients that had received either 4 or 8 weeks of streptomycin in addition to other drugs between 2006 and 2008, in the context of a randomized controlled trial. METHODS: Former patients were retrieved in 2012, and oto- and nephrotoxicity were determined by audiometry and serum creatinine levels. Data were compared with baseline and week 8 measurements during the drug trial. RESULTS: Of the total of 151 former patients, 127 (84% were retrieved. Ototoxicity was present in 29% of adults and 25% of children. Adults in the 8 week streptomycin group had significantly higher hearing thresholds in all frequencies at long term follow-up, and these differences were most prominent in the high frequencies. In children, no differences between the two treatment arms were found. Nephrotoxicity that had been detected in 14% of adults and in 13% of children during treatment, was present in only 2.4% of patients at long term follow-up. CONCLUSIONS: Prolonged streptomycin administration in the adult study subjects caused significant persistent hearing loss, especially in the high frequency range. Nephrotoxicity was also present in both adults and children but appeared to be transient. Streptomycin should be given with caution especially in patients aged 16 or older, and in individuals with concurrent risks for renal dysfunction or hearing loss.

  6. Assesment of Hearing Loss in Patients with Psoriasis

    Directory of Open Access Journals (Sweden)

    Serdar Cenk Güvenç

    2012-03-01

    Full Text Available Background and Design: Psoriasis is an autoimmune chronic inflammatory skin disease characterized by T-cell mediated hyperproliferation of keratinocytes. Sensorineural hearing loss accompanied by autoimmune diseases was first described by McCabe in 1979. Cases of hearing loss associated with various autoimmune diseases have been reported. However, the number of studies evaluating the hearing loss in patients with psoriasis is insufficient. In this study, we aimed to assess hearing loss in psoriasis patients. Material and Methods: Fifty-one psoriasis patients, who were admitted to our outpatient clinic in 2010, and 51 healthy volunteers were included in the study. All participants underwent a complete ear, nose and throat examination before audiological assessment followed by, pure-tone audiometry in a sound-isolated audiology laboratory. Statistical analysis was performed using PASW Statistics version 18.0.0. A p-value less than 0.05 was considered statistically significant. Results: The mean bone and hearing thresholds were higher for all frequencies in patients than in controls. The values reached statistical significance at all frequencies except for right ear air conduction at 1000 Hz, bone conduction at 500 and 1000 Hz, left ear air conduction at 500 Hz, and bone conduction at 500 Hz (p<0.05. We compared the Psoriasis Area and Severity Index (PASI scores adjusted for age and disease duration and thresholds matched with frequencies and found a significant correlation between PASI score and hearing loss at medium and high frequencies. Conclusion: In psoriasis, chronic inflammation is thought to be the main pathological process destroying structure and functions of skin, nails and joints. We think that the same process may affect the cochlea in a similar way. The correlation between high PASI scores and hearing loss at medium and high frequencies may be an unexpected result of increased inflammatory mediators responsible from the disease in

  7. Standards on medical fitness examinations for Navy divers.

    Science.gov (United States)

    Weiss, Michael

    2003-01-01

    The German Navy employs approximately 480 divers in their primary and secondary role. Before entering diving training, every diver has to pass an intensive physical examination programme at the German Naval Medical Institute (NMI) in Kiel-Kronshagen. Annual follow-ups ensure the currency of the medical findings. Criteria of medical fitness for diving reflect industrial medical standards for hyperbaric workers as well as the general medical guidelines for NATO divers. A diving examination consists of the individual medical history, a physical examination including the neurological status and the assessment of the cardiovascular fitness by ECG and bicycle ergometry. The respiratory system is screened by regular chest x-rays and spirometry or body plethysmography. Blood and urine samples are taken to look for abnormal haematological and metabolic conditions as well as disorders of the genito-urinary system. In order to determine visual fitness, diver's visual acuity, colour vision and stereopsis as well as eye fundi are examined by an eye specialist. Also the ENT examination involves a speciality consultant and consists of audiometry, inspection of the external ear and tympanic membrane and functional tests. To ensure a high standard of dental fitness, screening by a dental officer is part of the annual check-up. Every routine diving medical examination at the NMI includes a pressure test in the hyperbaric chamber. Divers who use nitrox or oxygen-rebreather devices have to pass successfully an oxygen tolerance test under hyperbaric conditions. The annual routine diving medical examination contributes to minimize the risk of accidents in military diving operations. PMID:14974787

  8. A comparison of occupational and nonoccupational noise exposures in Sweden

    Directory of Open Access Journals (Sweden)

    Richard L Neitzel

    2014-01-01

    Full Text Available This study was conducted to evaluate noise exposures and the contributions of occupational and nonoccupational activities among three groups of Swedish workers (office workers, day care workers, and military flight technicians, and to evaluate risk factors for elevated hearing threshold levels. Forty-five subjects were recruited across the three groups. Each subject completed a risk factor questionnaire along with Békésy audiometry at frequencies between 125 and 8000 Hz. Subjects also wore a noise dosimeter continuously for 1 week, and documented their occupational and nonoccupational activities using a time-activity log. Subjects in all groups completed >7400 h of dosimetry, and had weekly exposures between 76 and 81 dBA. Day care workers had the highest daily exposures, and flight technicians had the highest weekly exposures. Most daily and weekly exposures exceeded the 70 dBA exposure limit recommended for prevention of any hearing loss. Subjects′ perceptions of their exposures generally agreed well with measured noise levels. Among office workers, exposures were predominately nonoccupational, while among flight technicians nonoccupational and occupational activities contributed roughly equally, and among day care workers occupational exposures were dominant. Extreme exposures and cumulative noise exposure were associated with an increased risk of hearing threshold levels >10 dB hearing level. Effective hearing loss prevention programs may be needed in occupations not historically considered to be at high risk of noise-induced hearing loss (e.g., day care workers. Prevention efforts need to address nonoccupational exposures as well as occupational exposures, as nonoccupational activities may present the dominant risk of noise-induced hearing loss for some workers.

  9. Occupational hearing loss of market mill workers in the city of Accra, Ghana

    Directory of Open Access Journals (Sweden)

    Emmanuel D Kitcher

    2014-01-01

    Full Text Available Noise induced hearing loss (NIHL is an irreversible sensorineural hearing loss associated with exposure to high levels of excessive noise. Prevention measures are not well established in developing countries. This comparative cross sectional study aims to determine the prevalence of hearing loss in both a group of high risk workers and a control group and to assess their knowledge of the effects of noise on hearing health. A total of 101 market mill workers and 103 controls employed within markets in the city of Accra, Ghana, were evaluated using a structured questionnaire and pure tone audiometry. The questionnaire assessed factors including self-reported hearing loss, tinnitus, knowledge on the effects of noise on hearing health and the use of hearing protective devices. Pure tone audiometric testing was conducted for both mill workers and controls. Noise levels at the work premises of the mill workers and controls were measured. Symptoms of hearing loss were reported by 24 (23.76% and 8 (7.7% mill workers and controls respectively. Fifty-five (54.5% and fifty-four (52.37% mill workers and controls exhibited knowledge of the effects of noise on hearing health. Five (5.0% mill workers used hearing protective devices. There was significant sensorineural hearing loss and the presence of a 4 kHz audiometric notch among mill workers when compared with controls for the mean thresholds of 2 kHz, 3 kHz and 4 kHz (P = 0. 001. The prevalence of hearing loss in the better hearing ears of the mill workers and controls was 24.8% and 4.8% respectively (P < 0.5. The prevalence of hearing loss, which may be characteristic of NIHL in the better hearing ears of the mill workers and controls was 24.8% and 4.8% respectively. The majority of mill workers did not use hearing protection.

  10. The impact of hearing loss on language performance in older adults with different stages of cognitive function

    Directory of Open Access Journals (Sweden)

    Lodeiro-Fernández L

    2015-04-01

    Full Text Available Leire Lodeiro-Fernández, Laura Lorenzo-López, Ana Maseda, Laura Núñez-Naveira, José Luis Rodríguez-Villamil, José Carlos Millán-Calenti Gerontology Research Group, Department of Medicine, Faculty of Health Sciences, University of A Coruña, Campus of A Coruña, A Coruña, Spain Purpose: The possible relationship between audiometric hearing thresholds and cognitive performance on language tests was analyzed in a cross-sectional cohort of older adults aged ≥65 years (N=98 with different degrees of cognitive impairment.Materials and methods: Participants were distributed into two groups according to Reisberg’s Global Deterioration Scale (GDS: a normal/predementia group (GDS scores 1–3 and a moderate/moderately severe dementia group (GDS scores 4 and 5. Hearing loss (pure-tone audiometry and receptive and production-based language function (Verbal Fluency Test, Boston Naming Test, and Token Test were assessed.Results: Results showed that the dementia group achieved significantly lower scores than the predementia group in all language tests. A moderate negative correlation between hearing loss and verbal comprehension (r=-0.298; P<0.003 was observed in the predementia group (r=-0.363; P<0.007. However, no significant relationship between hearing loss and verbal fluency and naming scores was observed, regardless of cognitive impairment.Conclusion: In the predementia group, reduced hearing level partially explains comprehension performance but not language production. In the dementia group, hearing loss cannot be considered as an explanatory factor of poor receptive and production-based language performance. These results are suggestive of cognitive rather than simply auditory problems to explain the language impairment in the elderly. Keywords: auditory impairment, verbal function, aging, cognition

  11. COCHLEAR IMPLANTATION PREVALENCE IN ELDERLY

    Directory of Open Access Journals (Sweden)

    A. V. Starokha

    2014-01-01

    Full Text Available Current paper describes an experience of cochlear implantation in elderly. Cochlear implantation has become a widely accepted intervention in the treatment of individuals with severe-to-profound sensorineural hearing loss. Cochlear implants are now accepted as a standard of care to optimize hearing and subsequent speech development in children and adults with deafness. But cochlear implantation affects not only hearing abilities, speech perception and speech production; it also has an outstanding impact on the social life, activities and self-esteem of each patient. The aim of this study was to evaluate the cochlear implantation efficacy in elderly with severe to profound sensorineural hearing loss. There were 5 patients under our observation. Surgery was performed according to traditional posterior tympanotomy and cochleostomy for cochlear implant electrode insertion for all observed patients. The study was conducted in two stages: before speech processor’s activation and 3 months later. Pure tone free field audiometry was performed to each patient to assess the efficiency of cochlear implantation in dynamics. The aim of the study was also to evaluate quality of life in elderly with severe to profound sensorineural hearing loss after unilateral cochlear implantation. Each patient underwent questioning with 36 Item Short Form Health Survey (SF-36. SF-36 is a set of generic, coherent, and easily administered quality-of-life measures. The SF-36 consists of eight scaled scores, which are the weighted sums of the questions in their section. Each scale is directly transformed into a 0-100 scale on the assumption that each question carries equal weight. The eight sections are: physical functioning; physical role functioning; emotional role functioning; vitality; emotional well-being; social role functioning; bodily pain; general health perceptions. Our results demonstrate that cochlear implantation in elderly consistently improved quality of life

  12. Sensorineural hearing loss in patients with unilateral safe chronic suppurative otitis media

    Directory of Open Access Journals (Sweden)

    Manpreet Singh Nanda

    2015-06-01

    Full Text Available Background: Chronic Suppurative Otitis Media (CSOM is the major cause of hearing impairment, mainly conductive type of hearing loss. The occurrence of sensorineural hearing loss (SNHL in CSOM is controversial and the controversy is more for safe mucosal type. This study aims to assess the association between SNHL and safe mucosal CSOM and its relation to patient's age, sex, duration of disease, active or inactive disease and speech frequencies. Methods: 100 patients with unilateral mucosal type of CSOM with normal contralateral ear were included in the study. The infected ear was taken as study ear and normal ear as control ear in all patients. All patients underwent hearing assessment by pure tone audiometry for both ears. In case of active disease, ear discharge was first cleared and then audiometric assessment done. Results were statistically compared in all patients for both study and control ears using parameters of patient's age, sex, duration of disease, speech frequency and active or inactive disease. Results: There was significant higher number of study ears with CSOM having average bone conduction threshold of all frequencies above 25 decibels which implies SNHL (21% compared to control contralateral ears without infection (5%. There was higher incidence of SNHL at higher speech frequencies. The incidence also increased with age of patient and duration of disease. The incidence was higher in active stage than inactive or quiescent stage. There was no difference among males and females. Conclusion: Safe mucosal CSOM can cause significant SNHL and risk increases with increasing age, duration of disease, higher speech frequencies and presence of active disease. [Int J Res Med Sci 2015; 3(3.000: 551-555

  13. Peso de nascimento como preditor para a gravidade da lesão da substância branca cerebral neonatal Birth weight as predictor for the severity of neonatal brain white matter lesion

    Directory of Open Access Journals (Sweden)

    Nayara Argollo

    2006-06-01

    Full Text Available Para analisar a associação entre fatores natais com a gravidade da lesão da substância branca (LSB cerebral neonatal, controlando o peso de nascimento, identificaram os neonatos pela ultra-sonografia craniana, que foram divididos em: aqueles com evolução da LSC para resolução da imagem ao ultra-som (menor gravidade e, aqueles que evoluiram com formação de cistos e/ou ventriculomegalia e/ou hemorragia (maior gravidade. Doze variáveis (hiponatremia, anemia, infecção, retinopatia, displasia broncopulmonar, hipoalbuminemia, persistência do canal arterial, audiometria alterada, desconforto respiratório precoce, peso de nascimento To analyze the association of natal factors with the severity of neonatal brain white matter lesion (WML by controlling the birth weight, we identified newborns with WML who were divided into: those with WML evolution towards resolution of the ultrasound image (less severe, and those who evolved with cist formation and/or ventriculomegalia and/or hemorrhage (greater severity. There were differences among the twelve variables (hyponatremia, anemia, infection, retinopathy, broncopulmonary dysplasia, hypoalbuminemia, persistence of the arterial canal, altered audiometry, early respiratory distress, birth weigh below 2,500 g, weight per category, and prematurity between the two groups (p<0.05, being that nine variables (hyponatremia, infection, retinopathy, hypoalbuminemia, persistence of the arterial canal, early respiratory distress, low weight, prematurity, and weight per category remained statistically different (p<0.01 after the logistic regression analysis. When the variables were analyzed by birth weight category none of them presented statistical significance. This study suggests that birth weight is the major factor - likely the only one - associated to the severity of neonatal brain white matter lesion.

  14. Therapeutic role of Vitamin B12 in patients of chronic tinnitus: A pilot study

    Directory of Open Access Journals (Sweden)

    Charu Singh

    2016-01-01

    Full Text Available True tinnitus is a phantom auditory perception arising from a source or trigger in the cochlea, brainstem, or at higher centers and has no detectable acoustic generator. The most accepted is the famous neurophysiologic model of Jastreboff, which stresses that tinnitus, is a subcortical perception and results from the processing of weak neural activity in the periphery. The aim of this study is to determine the role of Vitamin B12 in treatment of chronic tinnitus. In this randomized, double-blind pilot study, total 40 patients were enrolled, of which 20 in Group A (cases received intramuscular therapy of 1 ml Vitamin B12 (2500 mcg weekly for a period of 6 weeks and Group B (20 patients received placebo isotonic saline 01 ml intramuscular. The patients were subjected to Vitamin B12 assay and audiometry pre- and post-therapy. Of the total patients of tinnitus, 17 were Vitamin B12 deficient that is 42.5% showed deficiency when the normal levels were considered to be 250 pg/ml. A paired t-test showed that in Group A, patients with Vitamin B12 deficiency showed significant improvement in mean tinnitus severity index score and visual analog scale (VAS after Vitamin B12 therapy. This pilot study highlights the significant prevalence of Vitamin B12 deficiency in North Indian population and improvement in tinnitus severity scores and VAS in cobalamin-deficient patients receiving intramuscular Vitamin B12 weekly for 6 weeks further provides a link between cobalamin deficiency and tinnitus thereby suggestive of a therapeutic role of B12 in cobalamin-deficient patients of tinnitus.

  15. Prevalence of high frequency hearing loss consistent with noise exposure among people working with sound systems and general population in Brazil: A cross-sectional study

    Directory of Open Access Journals (Sweden)

    Trevisani Virgínia FM

    2008-05-01

    Full Text Available Abstract Background Music is ever present in our daily lives, establishing a link between humans and the arts through the senses and pleasure. Sound technicians are the link between musicians and audiences or consumers. Recently, general concern has arisen regarding occurrences of hearing loss induced by noise from excessively amplified sound-producing activities within leisure and professional environments. Sound technicians' activities expose them to the risk of hearing loss, and consequently put at risk their quality of life, the quality of the musical product and consumers' hearing. The aim of this study was to measure the prevalence of high frequency hearing loss consistent with noise exposure among sound technicians in Brazil and compare this with a control group without occupational noise exposure. Methods This was a cross-sectional study comparing 177 participants in two groups: 82 sound technicians and 95 controls (non-sound technicians. A questionnaire on music listening habits and associated complaints was applied, and data were gathered regarding the professionals' numbers of working hours per day and both groups' hearing complaint and presence of tinnitus. The participants' ear canals were visually inspected using an otoscope. Hearing assessments were performed (tonal and speech audiometry using a portable digital AD 229 E audiometer funded by FAPESP. Results There was no statistically significant difference between the sound technicians and controls regarding age and gender. Thus, the study sample was homogenous and would be unlikely to lead to bias in the results. A statistically significant difference in hearing loss was observed between the groups: 50% among the sound technicians and 10.5% among the controls. The difference could be addressed to high sound levels. Conclusion The sound technicians presented a higher prevalence of high frequency hearing loss consistent with noise exposure than did the general population, although

  16. Fractionated Stereotactic Radiotherapy of Vestibular Schwannomas Accelerates Hearing Loss

    Energy Technology Data Exchange (ETDEWEB)

    Rasmussen, Rune, E-mail: rune333@gmail.com [Department of Neurosurgery, Rigshospitalet, Copenhagen (Denmark); Claesson, Magnus [Department of Neurosurgery, Rigshospitalet, Copenhagen (Denmark); Stangerup, Sven-Eric [Ear, Nose, and Throat Department, Rigshospitalet, Copenhagen (Denmark); Roed, Henrik [Department of Radiation Oncology, Rigshospitalet, Copenhagen (Denmark); Christensen, Ib Jarle [Finsen Laboratory, Rigshospitalet, Copenhagen (Denmark); Caye-Thomasen, Per [Ear, Nose, and Throat Department, Rigshospitalet, Copenhagen (Denmark); Juhler, Marianne [Department of Neurosurgery, Rigshospitalet, Copenhagen (Denmark)

    2012-08-01

    Objective: To evaluate long-term tumor control and hearing preservation rates in patients with vestibular schwannoma treated with fractionated stereotactic radiotherapy (FSRT), comparing hearing preservation rates to an untreated control group. The relationship between radiation dose to the cochlea and hearing preservation was also investigated. Methods and Materials: Forty-two patients receiving FSRT between 1997 and 2008 with a minimum follow-up of 2 years were included. All patients received 54 Gy in 27-30 fractions during 5.5-6.0 weeks. Clinical and audiometry data were collected prospectively. From a 'wait-and-scan' group, 409 patients were selected as control subjects, matched by initial audiometric parameters. Radiation dose to the cochlea was measured using the original treatment plan and then related to changes in acoustic parameters. Results: Actuarial 2-, 4-, and 10-year tumor control rates were 100%, 91.5%, and 85.0%, respectively. Twenty-one patients had serviceable hearing before FSRT, 8 of whom (38%) retained serviceable hearing at 2 years after FSRT. No patients retained serviceable hearing after 10 years. At 2 years, hearing preservation rates in the control group were 1.8 times higher compared with the group receiving FSRT (P=.007). Radiation dose to the cochlea was significantly correlated to deterioration of the speech reception threshold (P=.03) but not to discrimination loss. Conclusion: FSRT accelerates the naturally occurring hearing loss in patients with vestibular schwannoma. Our findings, using fractionation of radiotherapy, parallel results using single-dose radiation. The radiation dose to the cochlea is correlated to hearing loss measured as the speech reception threshold.

  17. Correlation of hearing function findings in patients suffering from diabetes mellitus type 1 in regard to age and gender

    Directory of Open Access Journals (Sweden)

    Pudar Goran

    2009-01-01

    Full Text Available Ageing of an individual affects hearing impairment and associated diseases can have a cumulative affect. In 50 examined subjects suffering from Diabetes Mellitus type 1, who were divided into groups according to age, gender and disease duration, auditory function was tested by analyzing results of pure-tone audiometry and brainstem auditory evoked potentials. The obtained results were correlated with the results of 30 healthy controls adequately represented by age and gender. Starting from the age group 30-39 we noticed a significant reduction in the percentage of regular findings in comparison with the control group, as well as an increase in the percentage of sensorineural hearing impairment and mean values of hearing impairment (-dB. In regard to gender, we found a continuing and significant increase in sensorineural hearing impairment in the examined male subjects from the group with the disease. The analysis and correlation of brainstem auditory evoked potentials regarding the age of the examinees did not show any significant impact on the increase in the mean values of the diseased and the controls, whereas regarding the gender, we noticed a significant impact on the increase in the mean values of absolute latencies II (Fd/l=5.1249/9.8144, III (Fd/l=14.0413/9.3169, IV (Fd/l=7.1413/6.3410 and V (Fd/l=12.8753/6.1208 waves as well as of interwave latencies I-III (Fd/l=5.2193/4.9628 mutually in the male examinees. In the diseased group there were significant differences of interwave latencies I-III in men and women both on the left and the right side, where the values in the female subjects were significantly shorter than in the males.

  18. Does health promotion work in relation to noise?

    Science.gov (United States)

    Borchgrevink, H M

    2003-01-01

    Noise is a health risk. The only scientifically established adverse health effect of noise is noise-induced hearing loss (NIHL). Besides noise may affect quality of life and cause annoyance and sleep disturbance. The present scientific evidence of potential non-auditory effects of noise on health is quite weak. Whether health promotion works in relation to noise may be reflected by permanent hearing threshold shift development in population studies. Hearing impairment continues to be the most prevalent disability in Western societies. The National Institute of Occupational Safety and Health (NIOSH) still rates noise induced hearing loss among the top ten work-related problems. Recent studies report that employees continue to develop noise induced hearing loss although to a lesser extent than before, in spite of occupational hearing conservation programmes. Besides socio-acusis and leisure noise seem to be an increasing hazard to hearing, also in young children and adolescents. This seems partly related to acute leisure noise exposure (e.g. toy pistols, amplified music). However, population studies increasingly find non-normal high-frequency hearing including the characteristic NIHL-"notch" around 6 kHz also in subjects who do not report noise exposure incidents or activities. Today 12.5% of US children 6-19 years show a noise-"notch" in one or both ears (n= 5249, Niskar et al 2001). A Norwegian county audiometry survey on adults >/= 20 years n=51.975) showed mean unscreened thresholds +10 dB at 6 kHz for both genders even or the youngest age group 20-24 years (Borchgrevink et al 2001). Accordingly, the present health promotion initiatives seem insufficient in relation to noise and noise-induced hearing loss. PMID:12631433

  19. Tinnitus and other auditory problems - occupational noise exposure below risk limits may cause inner ear dysfunction.

    Science.gov (United States)

    Lindblad, Ann-Cathrine; Rosenhall, Ulf; Olofsson, Åke; Hagerman, Björn

    2014-01-01

    The aim of the investigation was to study if dysfunctions associated to the cochlea or its regulatory system can be found, and possibly explain hearing problems in subjects with normal or near-normal audiograms. The design was a prospective study of subjects recruited from the general population. The included subjects were persons with auditory problems who had normal, or near-normal, pure tone hearing thresholds, who could be included in one of three subgroups: teachers, Education; people working with music, Music; and people with moderate or negligible noise exposure, Other. A fourth group included people with poorer pure tone hearing thresholds and a history of severe occupational noise, Industry. Ntotal = 193. The following hearing tests were used: - pure tone audiometry with Békésy technique, - transient evoked otoacoustic emissions and distortion product otoacoustic emissions, without and with contralateral noise; - psychoacoustical modulation transfer function, - forward masking, - speech recognition in noise, - tinnitus matching. A questionnaire about occupations, noise exposure, stress/anxiety, muscular problems, medication, and heredity, was addressed to the participants. Forward masking results were significantly worse for Education and Industry than for the other groups, possibly associated to the inner hair cell area. Forward masking results were significantly correlated to louder matched tinnitus. For many subjects speech recognition in noise, left ear, did not increase in a normal way when the listening level was increased. Subjects hypersensitive to loud sound had significantly better speech recognition in noise at the lower test level than subjects not hypersensitive. Self-reported stress/anxiety was similar for all groups. In conclusion, hearing dysfunctions were found in subjects with tinnitus and other auditory problems, combined with normal or near-normal pure tone thresholds. The teachers, mostly regarded as a group exposed to noise

  20. Alterations in the Contra lateral Ear in Chronic Otitis Media

    Directory of Open Access Journals (Sweden)

    Mohammad Ali Damghani

    2013-03-01

    Full Text Available Introduction: Chronic otitis media (COM, a persistent and durable inflammation and infection of the middle ear, is a common disorder. Alterations in the contralateral ear in sufferers have been observed in recent years. Because only a few studies have been reported in this area, we performed this study in order to assess alterations in the contralateral ear of patients with COM.   Materials and Methods: Cross-sectional and descriptive methods were used in 100 patients with COM who were selected for surgical treatment and admitted to hospital. An information form was completed for all patients including demographic data, medical history of otoscopy and paraclinical examinations such as pure tone audiometry (PTA, tympanometry, Schuller radiography, and high resolution computed tomography (HRCT. All data were processed using SPSS (version 18 software and descriptive statistical tests.   Results: According to otoscopy, PTA, tympanometry and graphical analysis, 60% of patients experienced disorders of the contralateral ear. Otoscopy analysis showed 54% of patients had a disorder of the contralateral ear, with the most common disorder being perforation of the ear drum. PTA showed a 48% incidence of contralateral ear problems (85% conductive hearing impairment; 12.5% sensorineural hearing impairment; 1.2% mixed. A total of 73.2% of patients with conductive hearing loss had a problem across all frequencies, while half of the patients with sensorineural hearing impairment had problems at frequencies greater than 1000 Hz. According to tympanometry, 38% of patients had problem in the contralateral ear. HRCT and Schuller graphical analyses indicated 31.5% and 36% occurrence of contralateral ear disorders, respectively.   Conclusion:  More than 50% of patients with COM in one ear have a chance of also presenting with the disease in the other ear. Outcomes of this study and previous studies have shown that COM should not be perceived as a disease limited

  1. 模拟3~50 m快速上浮脱险训练对潜艇艇员听力的影响%Effects of simulated 3-50 m fast buoyancy ascent escape training on the hearing of the submariners

    Institute of Scientific and Technical Information of China (English)

    王海涛; 方以群; 唐志文; 姚健; 张和翔; 顾秀良

    2009-01-01

    Objective To study the effect of fast buoyancy ascent escape training on the heating of submariners. Methods Simulated fast buoyancy ascent escapes at depths of 3, 10, 30 and 50 meters were carried out by 10 submariners, with a total of 60 man times (at 3 and 10 m twice each depth). Bilateral eardrum tests and electro -audiometry were performed both before and after escape training. Results No abnormality was found in the eardrums. Statistical differences in heating thresholds could be found in the left ear at 125 and 250 Hz, and in both ears at 500 and 2000 Hz (P<0.05). Conclusions Rapid changes in air pressure during fast buoyancy ascent escape had certain effects on the heating of the submariners, with the decrease in hearing thresholds at low frequencies being the main effect.%目的 探讨快速上浮脱险对潜艇艇员听力的影响.方法 10名潜艇艇员分别进行了3、10、30、50 m深度60人次模拟快速上浮脱险训练(3 m和10 m各2次).训练前后检查潜艇艇员双侧鼓膜,并进行电测听检查.结果 鼓膜末见异常,左耳在125、250 Hz,双耳在500、2000 Hz的听阈差异有统计学意义(P<0.05).结论 快速上浮脱险时的气压快速改变对潜艇艇员的听力有一定的影响,以低频听阈降低为主要表现.

  2. Results obtained with a low cost software-based audiometer for hearing screening

    Directory of Open Access Journals (Sweden)

    Ferrari, Deborah Viviane

    2014-01-01

    Full Text Available Introduction: The implementation of hearing screening programs can be facilitated by reducing operating costs, including the cost of equipment. The Telessaúde (TS audiometer is a low-cost, software-based, and easy-to-use piece of equipment for conducting audiometric screening. Aim: To evaluate the TS audiometer for conducting audiometric screening. Methods: A prospective randomized study was performed. Sixty subjects, divided into those who did not have (group A, n = 30 and those who had otologic complaints (group B, n = 30, underwent audiometric screening with conventional and TS audiometers in a randomized order. Pure tones at 25 dB HL were presented at frequencies of 500, 1000, 2000, and 4000 Hz. A "fail" result was considered when the individual failed to respond to at least one of the stimuli. Pure-tone audiometry was also performed on all participants. The concordance of the results of screening with both audiometers was evaluated. The sensitivity, specificity, and positive and negative predictive values of screening with the TS audiometer were calculated. Results: For group A, 100% of the ears tested passed the screening. For group B, "pass" results were obtained in 34.2% (TS and 38.3% (conventional of the ears tested. The agreement between procedures (TS vs. conventional ranged from 93% to 98%. For group B, screening with the TS audiometer showed 95.5% sensitivity, 90.4% sensitivity, and positive and negative predictive values equal to 94.9% and 91.5%, respectively. Conclusions: The results of the TS audiometer were similar to those obtained with the conventional audiometer, indicating that the TS audiometer can be used for audiometric screening.

  3. Benefit of Analog, Programmable and Digital Hearing Aids

    Directory of Open Access Journals (Sweden)

    Jamileh Fatahi

    2006-12-01

    Full Text Available Background and Aims: As the hearing aid technology progressively promotes toward replacing analog hearing aids with digital and programmable ones, comparison of the patient satisfaction of those kinds of hearing aids by means of a valuable tool seems so necessary. So, the aim of this study was to compare self-reported benefit of analog, digitally controlled programmable and digital hearing aids for reducing disability caused by hearing impairment in mild to severe sensorineural hearing impaired persons. Materials and Methods: This cross-sectional study was performed on 90 persons with mild to severe sensorineural hearing loss dividing into three groups: 43 subjects were fitted with digital, 15 with programmable, 32 with analog hearing aids. After pure tone audiometry, Abbreviated profile of hearing aid benefit (APHAB was completed before and one month after using hearing aids to determine the benefit of them. Results: Global APHAB mean scores for digital, programmable and analog hearing aids were 49.05, 33.19 and 39.53, respectively. Ease of Communication subscale mean scores were 53.46 for digitals, 37.66 for programmables and 39.09 for analogs. Background noise subscale mean scores for digital programmable and analog hearing aids were 46.36, 25.53 and 35.31, respectively. Global and also both subscale mean scores showed significant difference between digital hearing aids and programmable and analog ones. There was no significant difference between reverberation subscale mean scores of three groups. Conclusion: It seems digital hearing aids may be more beneficial to reduce disability caused by hearing loss than analog and programmable hearing aids are.

  4. Epidemiology of occupational noise-induced hearing loss (ONIHL) in Poland.

    Science.gov (United States)

    Sulkowski, Wieslaw J; Szymczak, Wieslaw; Kowalska, Sylwia; Sward-Matyja, Malgorzata

    2004-01-01

    Noise-induced hearing loss is a major health risk worldwide. In Europe about 35 million people are exposed to detrimental noise levels (> 85 dB-A) in industrial plants, and occupational deafness is a leading occupational compensible disease in the all countries; it is an insidious slow process that develops over a period of approximately 10 to 20 years. Accordingly to the latest estimations, more than 650,000 workers (of a total 5 million employed in industry) are put at risk in Poland. Despite progress in engineering approaches for reducing noise in the work environment and in improving hearing conservation programs (both the technical and medical) the ONIHL still remains a common and costly disability. The aim of this study is presentation of the most recent data on the incidence of ONIHL in Poland in the years 1992-2002 considered to be a base for implementing the effective prophylactic activities. The analysed data were derived from the central state register which collects all cases of occupational diseases recognized in the country. The highest incidence was found in such key industrial branches as coal mining, iron and steel, metallurgical and transport equipment; majority of cases were observed in southern and western provinces, mainly in the Silesian district, known from the significant concentration of noisy enterprises. The most affected were those workers aged 50-59 years and exposed to noise for over 20 years. More than 30 new cases of ONIHL were identified in the years 1992-1998 annually per 100,000 employees, and with beginning 1999 the rate was significantly decreased to 10 cases in 2002. One may presume that it results from the set up of national program of hearing preservation introduced in 1999 with obligatory pre-employment and follow-up pure-tone audiometry, as well as with hearing screening by means of the otoacoustic emissions. PMID:15101286

  5. The history of audiology

    Directory of Open Access Journals (Sweden)

    Sente Marko

    2004-01-01

    Full Text Available Introduction The paper presents historical data on development of audiology as a medical specialty. It gives the chronological overview of the most significant discoveries which have contributed to the progress and constant development of the science of hearing. The insights and discoveries encompass the ancient, medieval and contemporary medical science. The term "audiology" and first associations of audiologists The paper reviews the origin of the term “audiology” and the time of its occurrence. The First World Congress of Audiologists was held in 1948, and the Conference of Audiologists and Phoniatrists of Yugoslavia was established in 1974. Historical overview The ancient scientists and philosophers mentioned in the paper are as follows: Democritus, Hippocrates, Empedocles, Plato, Aristotle, and Galenus. Discoveries of Vesalius, Fallopio, Eustachio, Duverney, Schelhammer, Catugno and Helmholtz marked their epochs and made a great contribution to the development of the entire medical science, including audiology. A significant contribution to audiology was made by Schwartz in 1920 and Fletcher in 1926, constructors of audiometers. Fowler, Weigel and Fletcher promoted an audiogram in 1922. Wever and Bray first introduced the cochlear microphonic potentials. The first modern audiometer with a flat zero line for all pitches was constructed in 1937. In 1947, Békésy constructed the automatic audiometer, and the theory of mobile waves was introduced in 1928. Fletcher and Steinberg promoted speech audiometries in 1929. Mendel and Goldstein described medium latency responses in 1969. The first hearing aids worn within the ear appeared in the same year. William House pioneered the cochlear implantation in adults in 1969, and the program of infant cochlear implants. Jewett described the evoked auditory potentials in 1970. James Jerger classified tympanometric curves into three tympanogram types (A, B, C. Portmann and Arran introduced

  6. The effect of active sonar for the protection of moored and anchored warships on the human hearing.

    Science.gov (United States)

    Salami, Angelo; Dellepiane, Massimo; Barbierato, Mauro; Freda, Pierluigi; Crippa, Barbara; Guastini, Luca; Mora, Renzo

    2010-02-01

    This study wants to show the effects of active middle frequency sonar on a selected group of Italian Navy divers. Ten male divers with normal hearing were exposed to active sonar of the Italian Navy for more than 100 exposures, each of at least 1-h duration, in the course of 6 months. Before, at the end, and six months after the end of noise exposure, we performed pure-tone audiometry, Carhart test, Peyser test, thresholds of discomfort test (TDT), tympanometry, transient evoked otoacoustic emissions (TEOAE), distortion product otoacoustic emissions (DPOAE), and auditory brainstem response (ABR). At the end of the noise exposure, the audiological tests showed a worsening of the mean air and bone audiometric thresholds at the 2,000 (1/10), 4,000 (7/10), and 8,000 Hz (6/10); a fail status of the TEOAE and DPOAE, which were previously present, in all the divers; temporary threshold shift, at the Peyser test, in 9/10 divers; discomfort for pulse tone presented at the TDT test, in all the divers; no post exposure significant differences at the Carhart and ABR tests, in any of the divers. Six months after the end of noise exposure, all the divers presented a complete recovery of their audio-vestibular functions. Our results show the temporary negative effects of repeated and lasting exposure to active sonar (Hull MF) on the divers; the last control demonstrate the absence of permanent noise-induced hearing loss in divers exposed to active sonar. PMID:19597738

  7. The influence of jet engine noise on hearing of technical staff

    Directory of Open Access Journals (Sweden)

    Wiesław Konopka

    2014-10-01

    Full Text Available Background: Due to high sound pressure levels (SPLs, noise produced by jet planes may be harmful to hearing of people working in their proximity. The aim of this study was to assess the effects of exposure to jet engine noise on technical staff hearing. Material and Methods: The study comprised 60 men, aged 24–50 years, employed in army as technical staff and exposed to jet engine noise for 6–20 years. The control group were 50 non-noise exposed males, aged 25–51 years. Exposure to noise emitted by jet engines was evaluated. Pure-tone audiometry (PTA and distortion product otoacoustic emissions (DPOAE were recorded in both groups. Results: Jet engines emitted broadband noise with spectrum dominated by components in the frequency range 315–6300 Hz (1/3-octave bands. Maximum A-weighted SPL during tests reached values of approx. 120–130 dB. Consequently, engine-servicing personnel (even in the case of a single engine test was exposed to noise (at A-weighted daily noise exposure level above 95 dB exceeding permissible levels. Averaged audiometric hearing threshold levels of technical staff were higher (≤ 17 dB HL, p < 0.001 than in the control group. Similarly, the DPOAE amplitude was lower (≤ 17 dB SPL, p < 0.01 in the noise-exposed subjects compared to the non-exposed ones. Significant reduction of DPOAE levels was mainly noted for high frequencies (3–6 kHz. Conclusions: Despite the usage of hearing protection devices, both PTA and DPOAE consistently showed poorer hearing in engine-servicing personnel vs. control group. Med Pr 2014;65(5:583–592

  8. Vitiligo: A part of a systemic autoimmune process

    Directory of Open Access Journals (Sweden)

    Gopal KVT

    2007-01-01

    Full Text Available Background : Recent clinical and animal experimental studies postulate that the pathogenetic mechanisms of vitiligo could be of systemic origin as vitiligo is associated with ocular and auditory abnormalities as well as other autoimmune disorders.Hence, we studied genetic factors, systemic associations, ocular and auditory abnormalities of vitiligo. Methods: The study group included 150 new cases of various types of vitiligo. One hundred age- and sex-matched nonvitiligo cases were included as controls in the study. A complete family history was taken for all patients. Examination was carried out taking note of the type of vitiligo and approximate percentage of body surface involved. All relevant laboratory investigations, a thorough audiological examination including pure tone audiometry and a complete ophthalmologic examination were carried out in all patients and controls. Statistical analysis was done using the Chi square test. Results: Fifty-four vitiligo patients (36% had a family history of vitiligo. Anemia was present in 30 (20% vitiligo patients but only in five (5% controls, a difference that was statistically significant (c2 = 15.8, P < 0.001. Diabetes mellitus was present in 24 (16% vitiligo patients and only 2 (2% of controls (Chi square, c2 = 12.4, P < 0.001. Hypothyroidism and alopecia areata were present in 18 (12% and 11 (7.4% vitiligo patients respectively and none of the controls. Hypoacusis was seen in 30 (20% vitiligo patients and two (2% controls (c2 = 8.19, P < 0.005. Twenty-four vitiligo patients (16% and five controls (5% had specific ocular abnormalities like uveitis, iris and retinal pigmentary abnormalities (c2 = 7.39, P < 0.001. Conclusion: This study demonstrates statistically significant clinical evidence confirming that vitiligo is a part of systemic autoimmune process.

  9. Self-reported hearing performance in workers exposed to solvents

    Directory of Open Access Journals (Sweden)

    Adrian Fuente

    2013-02-01

    Full Text Available OBJECTIVE: To compare hearing performance relating to the peripheral and central auditory system between solvent-exposed and non-exposed workers. METHODS: Forty-eight workers exposed to a mixture of solvents and 48 non-exposed control subjects of matched age, gender and educational level were selected to participate in the study. The evaluation procedures included: pure-tone audiometry (500 - 8,000 Hz, to investigate the peripheral auditory system; the Random Gap Detection test, to assess the central auditory system; and the Amsterdam Inventory for Auditory Disability and Handicap, to investigate subjects' self-reported hearing performance in daily-life activities. A Student t test and analyses of covariance (ANCOVA were computed to determine possible significant differences between solvent-exposed and non-exposed subjects for the hearing level, Random Gap Detection test and Amsterdam Inventory for Auditory Disability and Handicap. Pearson correlations among the three measures were also calculated. RESULTS: Solvent-exposed subjects exhibited significantly poorer hearing thresholds for the right ear than non-exposed subjects. Also, solvent-exposed subjects exhibited poorer results for the Random Gap Detection test and self-reported poorer listening performance than non-exposed subjects. Results of the Amsterdam Inventory for Auditory Disability and Handicap were significantly correlated with the binaural average of subject pure-tone thresholds and Random Gap Detection test performance. CONCLUSIONS: Solvent exposure is associated with poorer hearing performance in daily life activities that relate to the function of the peripheral and central auditory system.

  10. Occupational Exposure to Mercury among Workers in a Fluorescent Lamp Factory, Quisna Industrial Zone, Egypt

    Directory of Open Access Journals (Sweden)

    HK Allam

    2013-07-01

    Full Text Available Background: With the fast growth in the market of fluorescent lamps, particularly compact fluorescent light, the associated risk of mercury exposure, which is an essential component in all types of fluorescent lamps, has received increasing public attention worldwide. Even low doses of mercury are toxic.Objective: To study the health consequences of occupational exposure to mercury in workers of a fluorescent lamp factory.Methods: In a cross-sectional study 138 workers of a florescent lamp factory and 151 people who had no occupational exposure to mercury (the comparison group were studied. Environmental study of mercury and noise levels was done. For all participants a neurobehavioral test battery was administered, spirometry was performed and air conduction audiometry was done. Urinary mercury level was also measured for all participants.Results: Prominent symptoms among workers exposed to mercury included tremors, emotional lability, memory changes, neuromuscular changes, and performance deficits in tests of cognitive function. Among the exposed group, the mean urinary mercury level was significantly higher in those who had personality changes or had manifestations of mercury toxicity. With increasing duration of employment and urinary mercury level, the performance of participants in neurobehavioral test battery and spirometric parameters deteriorated.Conclusion: Neurobehavioral test battery must be used for studying subclinical central nervous system dysfunction in those with chronic exposure to mercury. The test is especially useful for evaluating the severity of mercury effects in epidemiological studies. This study also reinforces the need for effective preventive programs for florescent lamp industry workplaces especially in developing countries with the lowest unhygienic work conditions.

  11. Brain-stem auditory evoked responses during microvascular decompression for trigeminal neuralgia: Predicting post-operative hearing loss

    Directory of Open Access Journals (Sweden)

    Ramnarayan Ramachandran

    2006-01-01

    Full Text Available Context: The importance of brainstem auditory evoked potential monitoring in reducing hearing loss during microvascular decompression for trigeminal neuralgia is now accepted. However the extent of the changes in the pattern of these potentials and the safe limits to which these changes are relevant in reducing postoperative hearing loss have not been established. Aims: The aim of this study is to quantify these changes and relate these to the postoperative hearing loss. Settings and Design: This study was done at the Walton Centre for neurology and neurosurgery, Liverpool, United Kingdom. The study was designed to give a measure of the change in the wave pattern following microvascular decompression and relate it to postoperative hearing loss. Materials and Methods: Seventy-five patients undergoing microvascular decompression for trigeminal neuralgia had preoperative and postoperative hearing assessments and intraoperative brainstem auditory evoked potential monitoring. Statistical Analysis Used: Chi-square tests. Results: It was found that the wave V latency was increased by more than 0.9ms in nine patients, eight of whom suffered significant postoperative hearing loss as demonstrated by audiometry. It was also seen that progressive decrease in amplitude of wave V showed progressive hearing loss with 25% loss when amplitude fell by 50 and 100% loss when wave V was lost completely. However most of the patients did not have a clinically manifest hearing loss. Conclusions: A per-operative increase in the latency of wave V greater than 0.9 ms and a fall of amplitude of wave V of more than 50% indicates a risk to hearing.

  12. Auditory nerve synapses persist in ventral cochlear nucleus long after loss of acoustic input in mice with early-onset progressive hearing loss.

    Science.gov (United States)

    McGuire, Brian; Fiorillo, Benjamin; Ryugo, David K; Lauer, Amanda M

    2015-04-24

    Perceptual performance in persons with hearing loss, especially those using devices to restore hearing, is not fully predicted by traditional audiometric measurements designed to evaluate the status of peripheral function. The integrity of auditory brainstem synapses may vary with different forms of hearing loss, and differential effects on the auditory nerve-brain interface may have particularly profound consequences for the transfer of sound from ear to brain. Loss of auditory nerve synapses in ventral cochlear nucleus (VCN) has been reported after acoustic trauma, ablation of the organ of Corti, and administration of ototoxic compounds. The effects of gradually acquired forms deafness on these synapses are less well understood. We investigated VCN gross morphology and auditory nerve synapse integrity in DBA/2J mice with early-onset progressive sensorineural hearing loss. Hearing status was confirmed using auditory brainstem response audiometry and acoustic startle responses. We found no change in VCN volume, number of macroneurons, or number of VGLUT1-positive auditory nerve terminals between young adult and older, deaf DBA/2J. Cell-type specific analysis revealed no difference in the number of VGLUT1 puncta contacting bushy and multipolar cell body profiles, but the terminals were smaller in deaf DBA/2J mice. Transmission electron microscopy confirmed the presence of numerous healthy, vesicle-filled auditory nerve synapses in older, deaf DBA/2J mice. The present results suggest that synapses can be preserved over a relatively long time-course in gradually acquired deafness. Elucidating the mechanisms supporting survival of central auditory nerve synapses in models of acquired deafness may reveal new opportunities for therapeutic intervention. PMID:25686750

  13. The Effect of Intratympanic Dexamethasone with Oral Prednisolone as a Primary Treatment in Idiopathic Sudden Sensorineural Hearing Loss

    Directory of Open Access Journals (Sweden)

    Mohammad Taghi Khorsandi Ashtiani

    2012-01-01

    Full Text Available Introduction: Sudden sensorineural hearing loss (SSNHL is a true emergency that must be diagnosed and treated immediately. The purpose of this study is to compare the efficacy of treatment with intratympanic dexamethasone plus oral prednisolone daily or every other day with that of treatment with oral prednisolone alone. Materials and Methods: Sixty-three patients with SSNHL that had been present for less than 10 days prior to the start of treatment were randomly allocated to three different groups. Patients in group A were treated daily with oral prednisolone 1 mg/kg for 10 days plus intratympanic dexamethasone 2 mg for the first 3 days of treatment. Patients in group B were treated every other day with oral prednisolone 1 mg/kg for 10 days with the addition of intratympanic dexamethasone 2 mg for the first 3 treatments. Patients in group C were treated daily with oral prednisolone 1 mg/kg alone for 10 days. Audiometric parameters including pure tone audiometry (PTA, speech reception threshold (SRT, and speech discrimination score (SDS were assessed on days 1,5, and 10. Results: There was a significant improvement in PTA, SRT and SDS in each group over the 10 days but the greatest improvement was seen in the SRT measurements of group A in comparison with group B (19.81 ± 2.15, P=0.04 and C (26.26 ± 0.08, P=0.01. The difference in SRT between groups B and C was not statistically significant. Conclusion: The administration of intratympanic dexamethasone 2 mg daily for 3 days has an additive effect to that of 10 days of oral prednisolone 1 mg/kg in the treatment of SSNHL.

  14. Contribution of audiovestibular tests to the topographic diagnosis of sudden deafness

    Directory of Open Access Journals (Sweden)

    Oiticica, Jeanne

    2014-01-01

    Full Text Available Introduction: Sudden hearing loss (SHL is an ENT emergency defined as sensorineural hearing loss (SNHL ≥ 30 dB HL affecting at least 3 consecutive tonal frequencies, showing a sudden onset, and occurring within 3 days. In cases of SHL, a detailed investigation should be performed in order to determine the etiology and provide the best treatment. Otoacoustic emission (OAE analysis, electronystagmography (ENG, bithermal caloric test (BCT, and vestibular evoked myogenic potential (VEMP assessments may be used in addition to a number of auxiliary methods to determine the topographic diagnosis. Objective: To evaluate the contribution of OAE analysis, BCT, VEMP assessment, and magnetic resonance imaging (MRI to the topographic diagnosis of SHL. Method: Cross-sectional and retrospective studies of 21 patients with SHL, as defined above, were performed. The patients underwent the following exams: audiometry, tympanometry, OAE analysis, BCT, VEMP assessment, and MRI. Sex, affected side, degree of hearing loss, and cochleovestibular test results were described and correlated with MRI findings. Student's t-test was used for analysis of qualitative variables (p < 0.05. Results: The mean age of the 21 patients assessed was 52.5 ± 15.3 years; 13 (61.9% were women and 8 (38.1% were men. Most (55% had severe hearing loss. MRI changes were found in 20% of the cases. When the audiovestibular test results were added to the MRI findings, the topographic SHL diagnosis rate increased from 20% to 45%. Conclusion: Only combined analysis via several examinations provides a precise topographic diagnosis. Isolated data do not provide sufficient evidence to establish the extent of involvement and, hence, a possible etiology.

  15. Mete analysis of Intratympanic steroids versus oral steroids for sudden sensorineural hearing loss%糖皮质激素经鼓膜与经口途径治疗突发性聋疗效分析

    Institute of Scientific and Technical Information of China (English)

    余啸; 陈波蓓; 项海杰; 高金建; 陈迎迎; 章誉耀; 陈思

    2013-01-01

    目的 通过对现有文献的系统性回顾,比较经鼓膜糖皮质激素疗法(intratympanic steroid,ITS)与经口糖皮质激素疗法在治疗突发性聋(sudden sensorineural hearing loss,SSHL)的差异.数据来源于在线数据库包括Medline、EMBASE和Cochrane Review.方法 纳入符合标准的治疗突发性聋的随机对照试验,对纳入研究的质量进行系统性回顾.结果 作者筛选69篇文献,其中符合标准的文献7篇.在限定两种疗法的剂量、疗程、频次后,Meta分析示ITS组受试者平均纯音听阈(pure tone audiometry,PTA)改善较经口糖皮质激素组高11.13dB (95%可信区间[CI]=9.16-13.11,P<0.00001;Chi2=2.44,df=-2,P=0.30,I2=18%).结论 虽然评估ITS治疗SSHL的高质量研究有限,但其作为第一线治疗组在PTA改善和恢复率上优于受限制的条件下口服类固醇组(口服类固醇给药时间≤10 d,类固醇浓度60 mg/kg·d,和注射的次数是4~5倍之间在ITS).

  16. Occurence of a round window membrane rupture in patients with sudden sensorineural hearing loss

    Directory of Open Access Journals (Sweden)

    Haubner Frank

    2012-11-01

    Full Text Available Abstract Background Aim of the present study was to evaluate the occurence of a round window membrane rupture and the effects of hearing restoration after exploratory tympanotomy and sealing of the round window (niche in patients with unilateral sudden deafness. Methods Retrospective analysis of patients’ charts in a tertiary referral center. Charts of 69 patients with sudden deafness followed by exploratory tympanotomy were retrospectively analyzed. Pure-tone audiometry data before and after tympanotomy were compared to determine the outcome of hearing recovery. The postoperative hearing test values were documented 3 weeks after tympanotomy. All surgical reports were reviewed with regard to the surgical technique performed and the intraoperative findings. Results 18.8% of the patients revealed a visible perilymphatic fistula in the round window niche. 89.8% of the patients reported no typical history for a round window membrane rupture. All patients were treated with an exploratory tympanotomy under local anesthesia and an intravenous corticosteroid treatment regimen. The majority of the surgeons used a fat plomb to cover the round window. Postoperative hearing was significantly improved compared to the preoperative hearing test data. No patient showed a worsened hearing curve after the treatment. Conclusion Most patients suffering from unilateral sudden deafness had no visible perilymphatic fistula. In our study population, the majority of patients reported no typical history of a pressure elevation in the inner ear. Exploratory tympanotomy is a safe procedure that may support hearing recovery in patients with sudden deafness in addition to the established treatment regimen including high-dose steroids.

  17. Intratympanic steroids as a salvage treatment for sudden sensorineural hearing loss? A meta-analysis.

    Science.gov (United States)

    Ng, Jia Hui; Ho, Roger Chun Man; Cheong, Crystal Shuk Jin; Ng, Adele; Yuen, Heng Wai; Ngo, Raymond Yeow Seng

    2015-10-01

    Sudden sensorineural hearing loss is typically treated with systemic steroids. The aim of this meta-analysis was to evaluate the efficacy of salvage intratympanic steroid treatment in patients who have initial treatment failure with systemic steroids. A MEDLINE literature search was performed, supported by searches of Web of Science, Biosis, and Science Direct. Articles of all languages were included. Selection of relevant publications was conducted independently by three authors. Only randomized controlled trials were considered. In one arm of the studies, the patients received salvage intratympanic steroids. In the other arm, patients did not receive further treatment. The standard difference in mean (SDM) amount of improvement in hearing threshold between patients who did and did not receive salvage intratympanic steroids was calculated. From an initial 184 studies found via the search strategy, 5 studies met inclusion criteria and were included. There was a statistically significant greater reduction in hearing threshold on pure-tone audiometry in patients who received salvage intratympanic steroids than in those who did not (SDM = -0.401, p = 0.005). Subgroup analysis showed that administration by intratympanic injection (SDM = -0.375, p = 0.013) rather than a round window catheter (SDM = -0.629, p = 0.160) yielded significant improvement in outcome. The usage of dexamethasone yielded better outcomes (SDM = -0.379, p = 0.039) than the use of methylprednisolone (SDM = -0.459, p = 0.187). No serious side effect of treatment was reported. In patients who have failed initial treatment with systemic steroids, additional treatment with salvage intratympanic dexamethasone injections demonstrate a statistically significant reduction in the hearing thresholds as compared to controls.

  18. Effects of sleep deprivation on central auditory processing

    Directory of Open Access Journals (Sweden)

    Liberalesso Paulo Breno

    2012-07-01

    Full Text Available Abstract Background Sleep deprivation is extremely common in contemporary society, and is considered to be a frequent cause of behavioral disorders, mood, alertness, and cognitive performance. Although the impacts of sleep deprivation have been studied extensively in various experimental paradigms, very few studies have addressed the impact of sleep deprivation on central auditory processing (CAP. Therefore, we examined the impact of sleep deprivation on CAP, for which there is sparse information. In the present study, thirty healthy adult volunteers (17 females and 13 males, aged 30.75 ± 7.14 years were subjected to a pure tone audiometry test, a speech recognition threshold test, a speech recognition task, the Staggered Spondaic Word Test (SSWT, and the Random Gap Detection Test (RGDT. Baseline (BSL performance was compared to performance after 24 hours of being sleep deprived (24hSD using the Student’s t test. Results Mean RGDT score was elevated in the 24hSD condition (8.0 ± 2.9 ms relative to the BSL condition for the whole cohort (6.4 ± 2.8 ms; p = 0.0005, for males (p = 0.0066, and for females (p = 0.0208. Sleep deprivation reduced SSWT scores for the whole cohort in both ears [(right: BSL, 98.4 % ± 1.8 % vs. SD, 94.2 % ± 6.3 %. p = 0.0005(left: BSL, 96.7 % ± 3.1 % vs. SD, 92.1 % ± 6.1 %, p  Conclusion Sleep deprivation impairs RGDT and SSWT performance. These findings confirm that sleep deprivation has central effects that may impair performance in other areas of life.

  19. The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests

    Directory of Open Access Journals (Sweden)

    Antje eHeinrich

    2015-06-01

    Full Text Available Listeners vary in their ability to understand speech in noisy environments. Hearing sensitivity, as measured by pure-tone audiometry, can only partly explain these results, and cognition has emerged as another key concept. Although cognition relates to speech perception, the exact nature of the relationship remains to be fully understood. This study investigates how different aspects of cognition, particularly working memory and attention, relate to speech intelligibility for various tests.Perceptual accuracy of speech perception represents just one aspect of functioning in a listening environment. Activity and participation limits imposed by hearing loss, in addition to the demands of a listening environment, are also important and may be better captured by self-report questionnaires. Understanding how speech perception relates to self-reported aspects of listening forms the second focus of the study.Forty-four listeners aged between 50-74 years with mild SNHL were tested on speech perception tests differing in complexity from low (phoneme discrimination in quiet, to medium (digit triplet perception in speech-shaped noise to high (sentence perception in modulated noise; cognitive tests of attention, memory, and nonverbal IQ; and self-report questionnaires of general health-related and hearing-specific quality of life.Hearing sensitivity and cognition related to intelligibility differently depending on the speech test: neither was important for phoneme discrimination, hearing sensitivity alone was important for digit triplet perception, and hearing and cognition together played a role in sentence perception. Self-reported aspects of auditory functioning were correlated with speech intelligibility to different degrees, with digit triplets in noise showing the richest pattern. The results suggest that intelligibility tests can vary in their auditory and cognitive demands and their sensitivity to the challenges that auditory environments pose on

  20. Clinical evaluation of the xDP output compression strategy for cochlear implants.

    Science.gov (United States)

    Bozorg-Grayeli, Alexis; Guevara, Nicolas; Bebear, Jean-Pierre; Ardoint, Marine; Saaï, Sonia; Hoen, Michel; Gnansia, Dan; Romanet, Philippe; Lavieille, Jean-Pierre

    2016-09-01

    Technological advances in the domain of digital signal processing adapted to cochlear implants (CI) are partially responsible for the ever-improving outcomes observed with this neural prosthesis. The goal of the present study was to evaluate audiometric outcomes with a new signal processing strategy implemented in Oticon Medical-Neurelec cochlear implant systems, the xDP strategy. The core of this approach is a preset-based back-end output compression system, modulating a multi-channel transfer function depending on the intensity and information content of input sounds. Twenty adult CI patients, matched for age and CI experience, were included in this study. Pure-tone thresholds and vocal audiometry scores were measured with their former signal processing strategy and with xDP. Speech perception was assessed using dissyllabic words presented in quiet, at different intensity levels: 40, 55, 70, and 85 dB SPL, and in a cocktail party noise at a signal-to-noise ratio of +10 dB. Results with the xDP strategy showed, as awaited, no major modification of pure-tone thresholds. A global increase of speech perception scores was observed after a 1-month habituation period, with significant improvements for speech perception in quiet for moderate (55 dB SPL), loud speech sounds (85 dB SPL), and speech-in-noise comprehension. Subjective signal quality assessment showed a preference for Crystalis(xDP) over the former strategy. These results allow the quantification of improvements provided by the xDP signal processing strategy. PMID:26476927

  1. Tinnitus and other auditory problems - occupational noise exposure below risk limits may cause inner ear dysfunction.

    Directory of Open Access Journals (Sweden)

    Ann-Cathrine Lindblad

    Full Text Available The aim of the investigation was to study if dysfunctions associated to the cochlea or its regulatory system can be found, and possibly explain hearing problems in subjects with normal or near-normal audiograms. The design was a prospective study of subjects recruited from the general population. The included subjects were persons with auditory problems who had normal, or near-normal, pure tone hearing thresholds, who could be included in one of three subgroups: teachers, Education; people working with music, Music; and people with moderate or negligible noise exposure, Other. A fourth group included people with poorer pure tone hearing thresholds and a history of severe occupational noise, Industry. Ntotal = 193. The following hearing tests were used: - pure tone audiometry with Békésy technique, - transient evoked otoacoustic emissions and distortion product otoacoustic emissions, without and with contralateral noise; - psychoacoustical modulation transfer function, - forward masking, - speech recognition in noise, - tinnitus matching. A questionnaire about occupations, noise exposure, stress/anxiety, muscular problems, medication, and heredity, was addressed to the participants. Forward masking results were significantly worse for Education and Industry than for the other groups, possibly associated to the inner hair cell area. Forward masking results were significantly correlated to louder matched tinnitus. For many subjects speech recognition in noise, left ear, did not increase in a normal way when the listening level was increased. Subjects hypersensitive to loud sound had significantly better speech recognition in noise at the lower test level than subjects not hypersensitive. Self-reported stress/anxiety was similar for all groups. In conclusion, hearing dysfunctions were found in subjects with tinnitus and other auditory problems, combined with normal or near-normal pure tone thresholds. The teachers, mostly regarded as a group

  2. ROLE OF LYCOPENE IN PRESBYCUSIS

    Directory of Open Access Journals (Sweden)

    Manpreet Singh

    2015-12-01

    Full Text Available Lycopene a red carotenoid found mainly in tomatoes and few other fruits and vegetables, is said to have strong antioxidant properties. This study aims to evaluate the effect of lycopene supplements in patients with age related hearing loss (Presbycusis and any symptoms related to it like tinnitus. MATERIALS AND METHODS Two hundred patients with bilateral symmetrical progressive age related sensorineural hearing loss (Presbycusis were taken up in the study; 100 patients in study group were given capsule supplement containing lycopene and multivitamins once a day after meals for 12 months. Remaining 100 patients in control group were given capsule supplement containing only multivitamins without lycopene once a day after meals for 12 months. Patients were evaluated using Pure Tone Audiometry (PTA at first visit, after 6 months and after 12 months for degree of hearing loss, tinnitus and any side effects of capsules in both study and control groups. RESULTS The results showed that presbycusis mainly effects higher speech frequencies (2000 hertz and above. The results showed that there was slower progression of degree of sensorineural hearing loss in study group using lycopene containing supplement as compared to control group without lycopene. There was a marginal improvement in incidence of tinnitus in the study group. There were minimal drug related side effects like nausea, vomiting and diarrhoea with no difference in both groups with or without lycopene. CONCLUSION So it can be concluded that Lycopene supplements can be considered as a safe treatment to slower the progress of disease in patients with age related hearing loss.

  3. Psychometric properties of the Persian version of the Tinnitus Handicap Inventory (THI-P

    Directory of Open Access Journals (Sweden)

    Mir Mohammad Jalali

    2015-03-01

    Full Text Available Introduction: Tinnitus can have a significant effect on an individual’s quality of life, and is very difficult quantify. One of the most popular questionnaires used in this area is the Tinnitus Handicap Inventory (THI. The aim of this study was to determine the reliability and validity of a Persian translation of the Tinnitus Handicap Inventory (THI-P.   Materials and Methods: This prospective clinical study was performed in the Otolaryngology Department of Guilan University of Medical Sciences, Iran. A total of 102 patients aged 23–80 years with tinnitus completed the (THI-P. The patients were instructed to complete the Beck Depression Inventory (BDI and the State-Trait Anxiety Inventory (STAI. Audiometry was performed. Eight-five patients were asked to complete the THI-P for a second time 7–10 days after the initial interview. We assessed test–retest reliability and internal reliability of the THI-P. Validity was assessed by analyzing the THI-P of patients according to their age, tinnitus duration and psychological distress (BDI and STAI. A factor analysis was computed to verify if three subscales (functional, emotional, and catastrophic represented three distinct variables.   Results: Test–retest correlation coefficient scores were highly significant. The THI-P and its subscales showed good internal consistency reliability (α = 0.80 to 0.96. High-to-moderate correlations were observed between THI-P and psychological distress and tinnitus symptom ratings. A confirmatory factor analysis failed to validate the three subscales of THI, and high inter-correlations found between the subscales question whether they represent three distinct factors. Conclusion:  The results suggest that the THI-P is a reliable and valid tool which can be used in a clinical setting to quantify the impact of tinnitus on the quality of life of Iranian patients.

  4. 200例主观性耳鸣患者听力损失临床分析%Study of hearing loss in 200 patients with subjective tinnitus

    Institute of Scientific and Technical Information of China (English)

    唐建辉; 吉彬; 刘立中

    2011-01-01

    目的:对耳鸣患者的听力损失进行分析,为进一步探讨耳鸣的发病原因、检查方法提供临床依据.方法:对以主观性耳鸣为主诉的200例患者进行耳科专科检查、声导抗检测、常频纯音听阈测听和高频扩展听阈测听检查.结果:200例耳鸣患者中,单侧耳鸣123例(61.5%),双侧耳鸣77例(38.5%);46例(23.0%)听力正常.单侧耳鸣中,患侧与对侧听阈比较0.125~8 kHz差异有统计学意义(P0.05).常频听力正常组与听力异常组比较各频率阈值差异均具有统计学意义(均P 10 kHz), the difference between two groups was not statistically significant (P > 0.05). There was significant difference in hearing threshold between tinnitus patients with normal and abnormal hearing in normal frequency(P<0. 05) ,meantime the detection rate in abnormal hearing group was lower than the normal group. Conclusion:Tinnitus can occur in people with normal hearing. Early in tinnitus,further study need be undertaken on whether the audiometry extended high frequency can offer the early evidence of hearing loss for tin-nitus patients or not.

  5. Modification of closed tympanoplasty in middle ear cholesteatoma

    Institute of Scientific and Technical Information of China (English)

    ZHANG Zhi-gang; LIU Xiang; CHEN Sui-jun; CHEN Bin; ZHENG Yi-qing

    2010-01-01

    Background Classic mastoidectomy and modified mastoidectomy are traditional surgical procedures for middle ear cholesteatoma with goals of eradicating diseases, creating dry ears and preventing severe complications. However, the drawback of these procedures is the lack of hearing improvement. Therefore, our study aimed to investigate the effects and safety of a modification of closed tympanoplasty for middle ear cholesteatoma.Methods Eighty-three patients were recruited in this study based on the following two criteria: each patient had middle ear cholesteatoma in one ear; the affected ears had a functional eustachian tube and had neither intracranial nor extracranial complications. All the patients received a modification of closed tympanoplasty which included ossicular reconstruction with total ossicular replacement prosthesis (TORP) or partial ossicular replacement prosthesis (PORP) and membrane repair with conchal cartilage-perichondral complex.Results All the 83 cases had dry ears with membranes healed within 4-6 postoperative weeks. After 6 postoperative months, there were 3 cases with re-perforation at the tympanic membrane center and after 1.5 postoperative years, there were 5 cases with cholesteatoma recurrence (6.02%). Function tests after one postoperative year exhibited an improvement of pure tone audiometry (PTA) in 27 cases that was more than 30 dB, in 33 cases between 20-29 dB, 14 cases with improvement between 10-19 dB, and in 9 cases there was no improvement.Conclusions The modified closed tympanoplasty procedure for middle ear cholesteatoma in the present study has all the advantages of both close-cavity and open-cavity procedures. It has low recurrence rate and good hearing improvement.

  6. Comparison of tympanic membrane grafting medial or lateral to malleus handle

    Directory of Open Access Journals (Sweden)

    Mehrdad Rogha

    2014-01-01

    Full Text Available Background: To compare two methods of tympanic membrane (TM grafting when graft materials medial or lateral to malleus, this study have been done. Materials and Methods: In this clinical trial which was conducted in Alzahra and Kashani hospitals, between June 2010 and February 2012, 56 patients with chronic otitis media and perforated TM entered the study in two groups. The inclusion criteria consisted of patients who were at least 15-years-old without history of smoking, diabetes mellitus or autoimmune disease. Exclusion criteria of the study: No compliance for follow up, post-surgical ear trauma or any infective pathology that directly affects the ear. In Group A patients, the graft material is pierced in near central part of the graft and they lodged so that the malleus handle projects through the graft perforation. Group B had grafting in the lateral side of the malleus. Three month after surgery both groups examined and tested by audiometry. Success of surgery is defined as complete repair of TM, without lateralization, atelectasis, blunting or retraction pocket. Results: This study contained 28 patients in Group A and 28 in Group B. Overall success rate was 94.64% that was 96.42% in Group A, and 92.85% in Group B. Differences of air-bone gap in each group before and after surgery was 16.10 (±4.89 in Group A, and 15.78 (±3.40 in Group B. Improvement of hearing level was not significant between two surgical methods (P = 0.442. Conclusions: Both techniques (medial and lateral to malleus handle of TM grafting are effective with success rates 96.42% and 92.85% respectively.

  7. Assessment of potential effects of the electromagnetic fields of mobile phones on hearing

    Directory of Open Access Journals (Sweden)

    Gradauskiene Egle

    2005-04-01

    Full Text Available Abstract Background Mobile phones have become indispensable as communication tools; however, to date there is only a limited knowledge about interaction between electromagnetic fields (EMF emitted by mobile phones and auditory function. The aim of the study was to assess potential changes in hearing function as a consequence of exposure to low-intensity EMF's produced by mobile phones at frequencies of 900 and 1800 MHz. Methods The within-subject study was performed on thirty volunteers (age 18–30 years with normal hearing to assess possible acute effect of EMF. Participants attended two sessions: genuine and sham exposure of EMF. Hearing threshold levels (HTL on pure tone audiometry (PTA and transient evoked otoacoustic emissions (TEOAE's were recorded before and immediately after 10 min of genuine and/or sham exposure of mobile phone EMF. The administration of genuine or sham exposure was double blind and counterbalanced in order. Results Statistical analysis revealed no significant differences in the mean HTLs of PTA and mean shifts of TEOAE's before and after genuine and/or sham mobile phone EMF 10 min exposure. The data collected showed that average TEOAE levels (averaged across a frequency range changed less than 2.5 dB between pre- and post-, genuine and sham exposure. The greatest individual change was 10 dB, with a decrease in level from pre- to post- real exposure. Conclusion It could be concluded that a 10-min close exposure of EMFs emitted from a mobile phone had no immediate after-effect on measurements of HTL of PTA and TEOAEs in young human subjects and no measurable hearing deterioration was detected in our study.

  8. Vestibular function and quality of life in vestibular schwannoma: does size matter?

    Directory of Open Access Journals (Sweden)

    Judith eWagner

    2011-08-01

    Full Text Available Objectives. Patients with vestibular schwannoma (VS frequently suffer from disabling vestibular symptoms. This prospective follow-up study evaluates vestibular and auditory function and impairment of quality of life due to vertigo, dizziness and imbalance in patients with unilateral vestibular schwannoma of different sizes before/ after microsurgical or radiosurgical treatment. Methods. 38 patients with unilateral vestibular schwannoma were included. 22 received microsurgery, 16 cyberknife radiosurgery. Two follow-ups took place after a median of 50 and 186.5 days. Patients received a standardized neuro-ophthalmological examination, electronystagmography with bithermal caloric testing, and pure-tone audiometry. Quality of life was evaluated with the Dizziness Handicap Inventory (DHI. Patient data was grouped and analyzed according to the size of the VS (group 1: < 20mm vs group 2: ≥ 20mm. Results. In group 1, the median loss of vestibular function was +10.5% as calculated by Jongkees Formula (range –43;+52; group 2: median + 36%, range –56; +90. The median change of DHI scores was –9 in group 1 (range –68;30 and +2 in group 2 (–54;+20. Median loss of hearing was 4dB (-42;93 in group 1 and 12dB in group 2 (5;42.Conclusions. Loss of vestibular function in vestibular schwannoma clearly correlates with tumor size. However, loss of vestibular function was not strictly associated with a long-term deterioration of quality of life. This may be due to central compensation of vestibular deficits in long-standing large tumors. Loss of hearing before treatment was significantly influenced by the age of the patient but not by tumor size. At follow-up 1 and 2, hearing was significantly worse in those patients with a large VS and after microsurgical treatment.

  9. What are the audiometric frequencies affected are the responsible for the hearing complaint in the hearing loss for ototoxicity after the oncological treatment?

    Directory of Open Access Journals (Sweden)

    Liberman, Patricia Helena Pecora

    2012-01-01

    Full Text Available Introduction: The neurosensory bilateral simetric hearing loss resulting of the oncological treatment is underestimated, because the patients has the hearing detection preserved, reporting complaints in determined situation, or the not comprehension of part of the message. Objective: Investigate which are the audiometric frequencies affected are the responsible by the presence of hearing complaints. Method: Prospective study evaluating 200 patients with cancer in the childhood out of the oncological treatment in at least 8 years, with average age to the diagnosis of 6,21 years (4,71. Was applied anamnesis to investigate the presence of hearing complaints and performed a tonal threshold audiometry. To check the association between the complaint and the hearing loss, was applied the Exact test of Fisher, with one error a=5%, the patients were split into: normal hearing, hearing loss in 8kHz, loss in 6-8 kHz, loss in 4-8 kHz, loss in 2-8 kHz and loss in < 1-8 kHz. Results: We found 125 patients with hearing loss, 10 presented hearing complaints. Between the patients with hearing loss, 16 presented loss only at 8kHz, and 1 with complaint; 22 with loss in 6-8 kHz, being 3 with complaint; 16 with loss in 4-8 kHz, from them 10 with complaint; 15 with loss 2-8 kHz, being 14 with complaint and 6 with loss in < 1-8 kHz all with complaints. There were a significant relationship between the loss and hearing complaint (p<0,001, when the frequency of 4 kHz was involved. Conclusion: The bigger the number of affected frequencies the bigger the occurrence of hearing complaint, most of all when the speech frequencies are involved, and the involvement of 4 kHz already determines the appearing of the complaints.

  10. Auditory characteristics of individuals with temporomandibular dysfunctions and dentofacial deformities

    Directory of Open Access Journals (Sweden)

    Tatiane Totta

    2013-10-01

    Full Text Available OBJECTIVE: To investigate whether there is any relationship between otological as well as vestibular symptoms, audiological findings and type of temporomandibular disorder (articular, muscular and mixed; and to check the distribution of the temporomandibular disorders (TMD dysfunction degree in the research population. METHODS: A retrospective study involving 30 patients of both sexes, aged between 18 and 49 years old, diagnosed with TMD and dentofacial deformities, who were subject to clinical evaluation (muscle palpation, auscultation of temporomandibular joint during mandibular motion and measurement of jaw movement, audiological testing (pure tone audiometry and immittance testing and two questionnaires, one on otological and vestibular symptoms and the other on TMD anamnesis. Based on both the anamnesis questionnaire and the clinical assessment, the subjects were divided according to the type and degree of TMD dysfunction (mild, moderate and severe, and compared regarding the occurrence of auditory signs and symptoms, vestibular symptoms and audiological findings according to TMD type. RESULTS: The anamnesis questionnaire demonstrated higher prevalence (83.33% of severe TMD. Subjects with mixed TMD had more complaints about hypoacusis than those with muscular TMD (p < 0.05. The results showed no change in either audiological and immittance testing for all assessed individuals. CONCLUSION: Otological symptoms are present in subjects with TMD and dentofacial deformities, regardless of the classification of TMD (articular, muscular or mixed. Those with mixed TMD may have higher incidence of complaints about hypoacusis than subjects with muscular TMD. Further studies are needed to investigate the relationship between otological symptoms and the different types of TMD.

  11. Pengaruh Prednison terhadap Perbaikan Pendengaran Penderita Lupus Eritematosus

    Directory of Open Access Journals (Sweden)

    Wijana

    2016-06-01

    Full Text Available Systemic lupus erythematosus (SLE is a chronic, multi-system, autoimmune disorder characterized by the production of autoantibodies and immune complexes deposition in tissue. Clinical manifestations may include skin, mucosa, joints, blood, heart, lungs, kidneys, central nervous system (CNS, immune system, and ears. SLE Iin the ears can caused sensorineural hearing loss, tinnitus, and vertigo. This hearing disorder is commonly bilateral and has high frequencies. Prednisone is an oral corticosteroid with glucocorticoid and mineralocorticoid effects. Glucocorticoids have anti-inflammatory and immunosuppressive effects. The aim of this study was to evaluate the effect of prednisone in improving the degree of hearing loss in patients with SLE. This study was conducted in from March–May 2013, at tThe Hearing and Speech Disorder Clinic of Ear Nose Throat-Head and Neck Surgery, Dr. Hasan Sadikin Hospital Bandung, using quasi-experimental method with pre-post design in which the results were statistically calculated using Rank Spearman test. This study involved 28 subjects who had been diagnosed for SLE. Anamnesis, physical examination, and laboratory test were performed, followed by pure tone audiometry, tympanometry, and distortion product optoacoustic emissions (DPOAE. Subjects were given prednisone 1 mg/kgBW/day with a maximum dose of 6o mg/day. Re-evaluation was performed after 4 weeksof treatment. Before treatment, 26 subjects had mild hearing loss and 2 subjects had symmetric moderate hearing loss at high frequencies symmetrically. After therapy, 24 subjects became normal and 4 subjects still had hearing loss (Rs=0.734, p<0.01. In conclusion, prednisone can improve hearing status of SLE patients.

  12. Audiologic and otoacoustic emission evaluation in individuals exposed to noise and plaguecides

    Directory of Open Access Journals (Sweden)

    Morini, Renata Graziele

    2009-09-01

    Full Text Available Introduction: The noise induced hearing loss (NIHL has been studied for many years and today the specialized literature also studies the synergic action of chemicals. Objective: To research the audiologic findings and DPOAE in workers exposed to occupational noise and plaguecides and to compare them with data obtained in individuals without exposure to these harmful elements. Method: 51 individuals were evaluated (102 ears, divided into three groups. Group I was composed by 17 workers with exposure to noise and plaguecides, all with neurosensorial auditory loss; group II was composed by 17 workers with exposure to noise and plaguecides with audiometric thresholds within normality standards (up to 25 dBNA and group III by 17 healthy individuals without auditory alterations and without exposure to noise and plaguecides, control group. Results: In the audiologic anamnesis, as for groups I and II, we observed that the main auditory complaints presented by the workers were those of recruitment (29.5%, tinnitus (26.5%, allergy (23.5% and arterial hypertension (12%. The findings of the audiometry appointed that the research's individuals did not present with auditory losses in the frequencies of 500 Hz, 1 and 2 kHz, the losses occurred in the frequencies of 3 and 8 kHz. As for the distortion-product otoacoustic emissions (DPOAEs, we observed that the individuals in group III had a major incidence of responses when compared to those of groups I and II. Conclusion: The results analysis allowed us to conclude that the DPOAE test represents an important tool for follow up and prevention of NIHL.

  13. Hearing Status Survey in Define MS Patients

    Directory of Open Access Journals (Sweden)

    Davood Rostamian

    2003-08-01

    Full Text Available Objective: This study was aimed to survey the hearing status of the patients with definite MS. The results of this study may help to confirm the diagnosis and to improve our knowledge of different aspects of this disease and to optimize the treatment and rehabilitative techniques. Material & Methods: This study is performed in audiology clinic of rehabilitation science faculty of Iran medical science university as an assesive-analytic procedure in winter of 2000 in 40 MS patients (Referred from the MS clinic of Shohada Hospital of 20 to 45 years old. All the patients have no history of otologic problems. The results of conventional audiologist tests (PTA, SRT, SDS, imittance audiometry and ABR findings of MS patients were compared to the results of control group. Results: The differences between the means of low, high and mid frequency PTAve in MS patients and control group were statistically significant (P<0.05. There was no significant difference between two groups in the speech test's results, statistically. The results of ART test show statistically significant differences between experimental and control groups. The only differences in ABR results were seen for the absolute latency of the wave V and IPLs (I-V, III-V between two groups. The amplitude ratio of V/I in MS patients 1.5 was within the normal range (0.5 to 2. There was a statistically significant relationship between mean of mid frequency PTAve and prolongation of absolute latency of the wave V. The relationship between ABR and SDS and also between ART and ABR were not statistically significant. Finally, the results of this study suggested that low, high and mid frequency PTAve, ART, absolute latency of the wave V, and IPLs III-V, I-V can be used ascomplementory method to confirm the diagnosis of MS with other conventional methods such as: MRI, CSF analysis, SEP and VEP.

  14. Relationship Between Distortion Product – Otoacoustic Emissions (DPOAEs) and High-Frequency Acoustic Immittance Measures

    Science.gov (United States)

    De Paula Campos, Ualace; Hatzopoulos, Stavros; Śliwa, Lech K.; Skarżyński, Piotr H.; Jędrzejczak, Wiesław W.; Skarżyński, Henryk; Carvallo, Renata Mota Mamede

    2016-01-01

    Background Pathologies that alter the impedance of the middle ear may consequently modify the DPOAE amplitude. The aim of this study was to correlate information from 2 different clinical procedures assessing middle ear status. Data from DPOAE responses (both DP-Gram and DP I/O functions) were correlated with data from multi-component tympanometry at 1000 Hz. Material/Methods The subjects were divided into a double-peak group (DPG) and a single-peak group (SPG) depending on 1000 Hz tympanogram pattern. Exclusion criteria (described in the Methods section) were applied to both groups and finally only 31 ears were assigned to each group. The subjects were also assessed with traditional tympanometry and behavioral audiometry. Results Compared to the single-peak group, in terms of the 226 Hz tympanometry data, subjects in the DPG group presented: (i) higher values of ear canal volume; (ii) higher peak pressure, and (iii) significantly higher values of acoustic admittance. DPOAE amplitudes were lower in the DPG group only at 6006 Hz, but the difference in amplitude between the DPG and SPG groups decreased as the frequency increased. Statistical differences were observed only at 1001 Hz and a borderline difference at 1501 Hz. In terms of DPOAE I/O functions, significant differences were observed only in 4 of the 50 tested points. Conclusions The 1000-Hz tympanometric pattern significantly affects the structure of DPOAE responses only at 1001 Hz. In this context, changes in the properties of the middle ear (as detected by the 1000 Hz tympanometry) can be considered as prime candidates for the observed variability in the DP-grams and the DP I/O functions. PMID:27299792

  15. Hearing loss due to concurrent daily low-dose cisplatin chemoradiation for locally advanced head and neck cancer

    International Nuclear Information System (INIS)

    Background and purpose: Cisplatin-based chemo-irradiation (CRT) is increasingly used for head and neck squamous cell carcinoma (HNSCC). We aimed to assess hearing deterioration due to low-dose cisplatin chemoradiation and to compare the observed hearing loss with hearing loss in our previously described high-dose cisplatin CRT cohort. Materials and methods: A prospective analysis of hearing thresholds at low and (ultra)-high frequencies obtained before and after treatment in 60 patients. Patients received low-dose cisplatin (6 mg/m2, daily infusions, 20-25 days) with concomitant accelerated radiotherapy (70 Gy). Results: Audiometry up to 16 kHz was performed before therapy and 31 days (median) post-treatment. The total incidence of ototoxicity in CTCAEv3.0 was 31% in audiograms up to 8 kHz, and 5% of ears tested qualified for HAs due to treatment. The mean hearing loss at speech frequencies was 2.6 dB (SD 5.7) and 2.3 dB (SD 9.2) at PTA 1-2-4 kHz air-conduction and bone-conduction, respectively. The mean hearing loss at ultra-high frequencies (PTA AC 8-10-12.5 kHz) was 9.0 dB (SD 8.1). Low-dose cisplatin CRT caused less acute hearing loss (CTCAE 31%), compared to high-dose cisplatin CRT (CTCAE 78%). Conclusions: Low-dose cisplatin chemo-irradiation for HNSCC is a relatively safe treatment protocol with respect to ototoxicity

  16. Intracochlear Schwannoma: Diagnosis and Management

    Directory of Open Access Journals (Sweden)

    Bittencourt, Aline Gomes

    2014-01-01

    Full Text Available Introduction Schwannomas of the eighth cranial nerve are benign tumors that usually occur in the internal auditory canal or the cerebellopontine angle cistern. Rarely, these tumors may originate from the neural elements within the vestibule, cochlea, or semicircular canals and are called intralabyrinthine schwannomas. Intracochlear schwannomas (ICSs represent a small percentage of these tumors, and their diagnosis is based on high-resolution magnetic resonance imaging (MRI. Objectives To report the clinical and radiologic features and audiometric testing results of an ICS in a 48-year-old man after a 22-month follow-up period. Resumed Report A patient with an 8-year history of persistent tinnitus in his right ear, combined with ipsilateral progressive hearing loss and aural fullness. Audiometry revealed normal hearing in the left ear and a moderate to severe sensorineural hearing loss in the right ear, with decreased speech reception threshold and word recognition score, compared with the exam performed 5 years previously. MRI showed a small intracochlear nodular lesion in the modiolus, isointense on T1 with a high contrast enhancement on T1 postgadolinium images. During the follow-up period, there were no radiologic changes on imaging studies. Thus, a wait-and-scan policy was chosen as the lesion remained stable with no considerable growth and the patient still presents with residual hearing. Conclusions Once diagnosed, not all ICS patients require surgery. Treatment options for ICS include stereotactic radiotherapy and rescanning policy, depending on the tumor's size, evidence of the tumor's growth, degree of hearing loss, intractable vestibular symptoms, concern about the pathologic diagnosis, and the patient's other medical conditions.

  17. The relationship of speech intelligibility with hearing sensitivity, cognition, and perceived hearing difficulties varies for different speech perception tests.

    Science.gov (United States)

    Heinrich, Antje; Henshaw, Helen; Ferguson, Melanie A

    2015-01-01

    Listeners vary in their ability to understand speech in noisy environments. Hearing sensitivity, as measured by pure-tone audiometry, can only partly explain these results, and cognition has emerged as another key concept. Although cognition relates to speech perception, the exact nature of the relationship remains to be fully understood. This study investigates how different aspects of cognition, particularly working memory and attention, relate to speech intelligibility for various tests. Perceptual accuracy of speech perception represents just one aspect of functioning in a listening environment. Activity and participation limits imposed by hearing loss, in addition to the demands of a listening environment, are also important and may be better captured by self-report questionnaires. Understanding how speech perception relates to self-reported aspects of listening forms the second focus of the study. Forty-four listeners aged between 50 and 74 years with mild sensorineural hearing loss were tested on speech perception tests differing in complexity from low (phoneme discrimination in quiet), to medium (digit triplet perception in speech-shaped noise) to high (sentence perception in modulated noise); cognitive tests of attention, memory, and non-verbal intelligence quotient; and self-report questionnaires of general health-related and hearing-specific quality of life. Hearing sensitivity and cognition related to intelligibility differently depending on the speech test: neither was important for phoneme discrimination, hearing sensitivity alone was important for digit triplet perception, and hearing and cognition together played a role in sentence perception. Self-reported aspects of auditory functioning were correlated with speech intelligibility to different degrees, with digit triplets in noise showing the richest pattern. The results suggest that intelligibility tests can vary in their auditory and cognitive demands and their sensitivity to the challenges that

  18. Ontogenetic investigation of underwater hearing capabilities in loggerhead sea turtles (Caretta caretta) using a dual testing approach.

    Science.gov (United States)

    Lavender, Ashley L; Bartol, Soraya M; Bartol, Ian K

    2014-07-15

    Sea turtles reside in different acoustic environments with each life history stage and may have different hearing capacity throughout ontogeny. For this study, two independent yet complementary techniques for hearing assessment, i.e. behavioral and electrophysiological audiometry, were employed to (1) measure hearing in post-hatchling and juvenile loggerhead sea turtles Caretta caretta (19-62 cm straight carapace length) to determine whether these migratory turtles exhibit an ontogenetic shift in underwater auditory detection and (2) evaluate whether hearing frequency range and threshold sensitivity are consistent in behavioral and electrophysiological tests. Behavioral trials first required training turtles to respond to known frequencies, a multi-stage, time-intensive process, and then recording their behavior when they were presented with sound stimuli from an underwater speaker using a two-response forced-choice paradigm. Electrophysiological experiments involved submerging restrained, fully conscious turtles just below the air-water interface and recording auditory evoked potentials (AEPs) when sound stimuli were presented using an underwater speaker. No significant differences in behavior-derived auditory thresholds or AEP-derived auditory thresholds were detected between post-hatchling and juvenile sea turtles. While hearing frequency range (50-1000/1100 Hz) and highest sensitivity (100-400 Hz) were consistent in audiograms pooled by size class for both behavior and AEP experiments, both post-hatchlings and juveniles had significantly higher AEP-derived than behavior-derived auditory thresholds, indicating that behavioral assessment is a more sensitive testing approach. The results from this study suggest that post-hatchling and juvenile loggerhead sea turtles are low-frequency specialists, exhibiting little differences in threshold sensitivity and frequency bandwidth despite residence in acoustically distinct environments throughout ontogeny.

  19. Health implication among occupational exposed workers in a chromium alloy factory,Thailand

    Institute of Scientific and Technical Information of China (English)

    S. Muttamara; Shing Tet Leong

    2004-01-01

    This study was conducted to assess the occupational exposure and its health impact on the chromium alloyworkers. Environmental and biological monitoring, noise and audiometry measurements were done to evaluate theexposure levels in the factory. A total of 112 non-smoking workers were monitored from July 2001 to August 2002.The results showed that most of the chromium and lead exposures in the factory were below the ACGIH-TWA of 50μg/m3 for chromium( Ⅵ ) and OSHA-PEL of 50 μg/m3 for lead. The highest chromium(7.25 ± 0. 16 μg/m3 ) and lead(14.50 ± 0.29 μg/m3) concentrations were measured in the vibro room. The results indicated that elevatedconcentrations of chromium and lead were found in both blood and urine samples especially in those areas whichwere characterized by poor ventilation. The metal contents in blood and urine samples were significantly correlatedwith airborne metal concentrations in the factory. The result demonstrated that blood and urinary levels amongworkers were associated with increasing age and duration of exposure.The background noise level of the factory ranged from 67.6 to 89.2 dBA and was frequently higher than thethreshold limit value for noise(90 dBA). According to the audiometric test, the exposed workers showed signs ofnoise-induced hearing loss. Noise at work continued to be an important factor to hearing loss among exposedworkers. In our statistical analysis, a significant hearing loss was established on age effect and year of exposureamong the workforce.

  20. Prevalence of long QT syndrome and other cardiac defects in deaf-mute children

    International Nuclear Information System (INIS)

    Background: Long QT syndrome is considered a fatal disease because of its association with ventricular arrhythmias and sudden cardiac death. Objectives of study were to determine the prevalence of long QT syndrome and other heart diseases, in deaf-mute children. Methods: A Cross-sectional descriptive study was conducted at Cholistan special education centre and Cardiology department, Sheikh Zayed hospital Rahim Yar Khan, Pakistan in September 2006. A total of 104 congenitally deaf-mute children were assessed. Height, weight and blood pressure measured, 12-lead electrocardiogram done and QTc calculated using Bazette's formula. Children with prolonged QTc underwent 24-hour ambulatory ECG recording. All were auscultated following complete protocol. A child with murmur was further evaluated with colour Doppler echocardiography. Audiometry was performed on all the children and the result interpreted according to WHO recommendations. Diagnosis of LQTS was based on Revised Schwartz criteria. Results: Out of 104 children, 62 were male with mean age 11.89 yrs. The average systolic and diastolic BP was 97/67 mmHg. Average height was 126 Cm. All children had moderate to severe bilateral sensorineural hearing loss (40-80 dB). One child had associated Patent Ductus Arteriosis. Fifteen had an innocent murmur. Prevalence of congenital heart disease was found to be 0.1/1000. Four children had QT interval more than 440 mSec, (range 0.46-0.47 mSec.). Both genders were equally affected. Three children had high probability of LQTS and one had intermediate probability. Screening of family of these 4 patients showed prolonged QT interval in the sibling of one patient. Conclusion: Our study highlights the significant prevalence of Jervell Lange-Nielsen Syndrome in Pakistani deaf-mute children, which may be associated to the high level of consanguinity in this region. Awareness of this syndrome among health care providers is needed as timely diagnosis and subsequent treatment may prevent

  1. Otosclerose infantil: relato de caso e revisão da literatura Pediatric otosclerosis: case report and literature review

    Directory of Open Access Journals (Sweden)

    Raquel Salomone

    2008-04-01

    Full Text Available A otospongiose é uma osteodistrofia do osso temporal caracterizada pela reabsorção e neoformação óssea desordenada. Clinicamente, caracteriza-se por disacusia condutiva, neurossensorial, e/ou mista, progressiva e zumbidos. O início dos sintomas ocorre entre 30 e 40 anos de idade sendo rara sua manifestação na infância. Descrevemos o caso de um paciente de 11 anos de idade, com quadro de hipoacusia unilateral progressiva há 5 anos. O exame otorrinolaringológico revelou mancha rubra de Schwartze em orelha esquerda. A audiometria, imitanciometria e a tomografia computadorizada demonstraram características sugestivas de otospongiose. Realizamos uma revisão dos aspectos clínicos, diagnósticos e da conduta terapêutica da otospongiose na infância.Otospongiosis is an osteodystrophy of the temporal bone, characterized by disordered neoformation and deposition of bone, characterized by the presence of a progressive conductive, sensorineural or mixed hearing loss and tinnitus. Typically, otospongiosis presents as a slowly progressive conductive hearing loss in the third to fourth decade of life. Uncommonly children and adolescents may also have conductive or sensorineural hearing loss caused by otosclerosis. We describe a case of an 11-year-old patient, with progressive unilateral conductive hearing loss for 5 years. The otoscopic examination revealed a positive Schwartz's sign in the left ear. Audiometry, impedanciometry and CT scan showed characteristics that suggested otospongiosis. We reviewed clinical aspects, diagnosis and the therapeutic approach for otospongiosis in children.

  2. DPOAE level mapping for detecting noise-induced cochlear damage from short-duration music exposures

    Directory of Open Access Journals (Sweden)

    Jay C Buckey

    2015-01-01

    Full Text Available Distortion product otoacoustic emission (DPOAE level mapping provides a comprehensive picture of cochlear responses over a range of DP frequencies and f2 /f1 ratios. We hypothesized that individuals exposed to high-level sound would show changes detectable by DPOAE mapping, but not apparent on a standard DP-gram. Thirteen normal hearing subjects were studied before and after attending music concerts. Pure-tone audiometry (500-8,000 Hz, DP-grams (0.3-10 kHz at 1.22 ratio, and DPOAE level maps were collected prior to, as soon as possible after, and the day after the concerts. All maps covered the range of 2,000-6,000 Hz in DP frequency and from 1.3 to -1.3 in ratio using equi-level primary tone stimuli. Changes in the pure-tone audiogram were significant (P ≤ 0.01 immediately after the concert at 1,000 Hz, 4,000 Hz, and 6,000 Hz. The DP-gram showed significant differences only at f2 = 4,066 (P = 0.01 and f2 = 4,348 (P = 0.04. The postconcert changes were readily apparent both visually and statistically (P ≤ 0.01 on the mean DP level maps, and remained statistically significantly different from baseline the day after noise exposure although no significant changes from baseline were seen on the DP-gram or audiogram the day after exposure. Although both the DP-gram and audiogram showed recovery by the next day, the average DPOAE level maps remained significantly different from baseline. The mapping data showed changes in the cochlea that were not detected from the DP-gram obtained at a single ratio. DPOAE level mapping provides comprehensive information on subtle cochlear responses, which may offer advantages for studying and tracking noise-induced hearing loss (NIHL.

  3. DPOAE level mapping for detecting noise-induced cochlear damage from short-duration music exposures.

    Science.gov (United States)

    Buckey, Jay C; Fellows, Abigail M; Clavier, Odile H; Allen, Lindsay V; Brooks, Chris A; Norris, Jesse A; Gui, Jiang; Meinke, Deanna K

    2015-01-01

    Distortion product otoacoustic emission (DPOAE) level mapping provides a comprehensive picture of cochlear responses over a range of DP frequencies and f₂/f₁ratios. We hypothesized that individuals exposed to high-level sound would show changes detectable by DPOAE mapping, but not apparent on a standard DP-gram. Thirteen normal hearing subjects were studied before and after attending music concerts. Pure-tone audiometry (500-8,000 Hz), DP-grams (0.3-10 kHz) at 1.22 ratio, and DPOAE level maps were collected prior to, as soon as possible after, and the day after the concerts. All maps covered the range of 2,000-6,000 Hz in DP frequency and from 1.3 to -1.3 in ratio using equi-level primary tone stimuli. Changes in the pure-tone audiogram were significant (P ≤ 0.01) immediately after the concert at 1,000 Hz, 4,000 Hz, and 6,000 Hz. The DP-gram showed significant differences only at f₂= 4,066 (P = 0.01) and f₂= 4,348 (P = 0.04). The postconcert changes were readily apparent both visually and statistically (P ≤ 0.01) on the mean DP level maps, and remained statistically significantly different from baseline the day after noise exposure although no significant changes from baseline were seen on the DP-gram or audiogram the day after exposure. Although both the DP-gram and audiogram showed recovery by the next day, the average DPOAE level maps remained significantly different from baseline. The mapping data showed changes in the cochlea that were not detected from the DP-gram obtained at a single ratio. DPOAE level mapping provides comprehensive information on subtle cochlear responses, which may offer advantages for studying and tracking noise-induced hearing loss (NIHL). PMID:26356368

  4. Hearing loss and tinnitus in rock musicians: A Norwegian survey.

    Science.gov (United States)

    Størmer, Carl Christian Lein; Laukli, Einar; Høydal, Erik Harry; Stenklev, Niels Christian

    2015-01-01

    Our focus in this study was to assess hearing thresholds and the prevalence and characteristics of tinnitus in a large group of rock musicians based in Norway. A further objective was to assess related factors such as exposure, instrument category, and the preventive effect of hearing protection. The study was a cross-sectional survey of rock musicians selected at random from a defined cohort of musicians. A random control group was included for comparison. We recruited 111 active musicians from the Oslo region, and a control group of 40 nonmusicians from the student population at the University of TromsØ. The subjects were investigated using clinical examination, pure tone audiometry, tympanometry, and a questionnaire. We observed a hearing loss in 37.8% of the rock musicians. Significantly poorer hearing thresholds were seen at most pure-tone frequencies in musicians than controls, with the most pronounced threshold shift at 6 kHz. The use of hearing protection, in particular custom-fitted earplugs, has a preventive effect but a minority of rock musicians apply them consistently. The degree of musical performance exposure was inversely related to the degree of hearing loss in our sample. Bass and guitar players had higher hearing thresholds than vocalists. We observed a 20% prevalence of chronic tinnitus but none of the affected musicians had severe tinnitus symptomatology. There was no statistical association between permanent tinnitus and hearing loss in our sample. We observed an increased prevalence of hearing loss and tinnitus in our sample of Norwegian rock musicians but the causal relationship between musical exposure and hearing loss or tinnitus is ambiguous. We recommend the use of hearing protection in rock musicians. PMID:26572701

  5. Evaluation of auditory brain-stem evoked response in middle: Aged type 2 diabetes mellitus with normal hearing subjects

    Directory of Open Access Journals (Sweden)

    Debadatta Mahallik

    2014-01-01

    Full Text Available Background: Diabetes mellitus (DM is commonly metabolic disorders of carbohydrate in which blood glucose levels are abnormally high due to relative or absolute insulin deficiency. In addition, it is characterized by abnormal metabolism of fat, protein resulting from insulin deficit or insulin action, or both. There are two broad categories of DM are designated as type 1 and type 2. Type 2 diabetes is due to predominantly insulin resistance with relative insulin deficiency noninsulin-dependent DM. Type 2 diabetes is much more common than insulin-dependent DM. Objectives: The aim of this study was to assess, if there is any abnormality in neural conduction in auditory brain-stem pathway in type 2 DM patients having normal hearing sensitivity when compared to age-matched healthy populations. Materials and Methods: This study included middle - aged 25 subjects having normal hearing with diabetes type 2 mellitus. All were submitted to the full audiological history taking, otological examination, basic audiological evaluation and auditory brain-stem response audiometry which was recorded in both ears, followed by calculation of the absolute latencies of wave I, III and V, as well as interpeak latencies I-III, III-V, I-V. Results: Type 2 DM patients showed significant prolonged absolute latencies of I, III (P = 0.001 and interpeak latencies I-III, III-V and I-V in left ear (P = 0.001 and absolute latencies of I, V (P = 0.001, interpeak latencies III-V was statistically significant in right ear. Conclusions: The prolonged absolute latencies and interpeak latencies suggests abnormal neural firing synchronization or in the transmission in the auditory pathways in normal hearing type 2 diabetes mellitus patients.

  6. Improvement in hearing after chiropractic care: a case series

    Directory of Open Access Journals (Sweden)

    Di Duro Joseph O

    2006-01-01

    Full Text Available Abstract Background The first chiropractic adjustment given in 1895 was reported to have cured deafness. This study examined the effects of a single, initial chiropractic visit on the central nervous system by documenting clinical changes of audiometry in patients after chiropractic care. Case presentation Fifteen patients are presented (9 male, 6 female with a mean age of 54.3 (range 34–71. A Welch Allyn AudioScope 3 was used to screen frequencies of 1000, 2000, 4000 and 500 Hz respectively at three standard decibel levels 20 decibels (dB, 25 dB and 40 dB, respectively, before and immediately after the first chiropractic intervention. Several criteria were used to determine hearing impairment. Ventry & Weinstein criteria of missing one or more tones in either ear at 40 dB and Speech-frequency criteria of missing one or more tones in either ear at 25 dB. All patients were classified as hearing impaired though greater on the right. At 40 dB using the Ventry & Weinstein criteria, 6 had hearing restored, 7 improved and 2 had no change. At 25 dB using the Speech-frequency criteria, none were restored, 11 improved, 4 had no change and 3 missed a tone. Conclusion A percentage of patients presenting to the chiropractor have a mild to moderate hearing loss, most notably in the right ear. The clinical progress documented in this report suggests that manipulation delivered to the neuromusculoskeletal system may create central plastic changes in the auditory system.

  7. AUDIOLOGICAL PROFILE IN DIABETES MELLITUS IN CORRELATION WITH INFLAMMATORY MARKERS

    Directory of Open Access Journals (Sweden)

    Shanmugam

    2014-10-01

    Full Text Available OBJECTIVE: To correlate the audio-logical profile in diabetes mellitus with inflammatory markers (TNFα, IL-6, CRP, and FREE RAICALS. MATERIALS AND METHODS: A two year prospective study of Audio-logical profile and its correlation with inflammatory markers was done in 35 diabetic patients attending Diabetic OPD and ENT OPD at RMMCH between 2012- 2014.Patients with diabetes mellitus on oral hypoglycaemic agents or insulin therapy was subjected to Pure Tone Audiometry using Arphi Audiometer-Model 700MK4 and Inflammatory marker study. STATISTICS AND ANALYSIS: P-value was found out by ANOVA method to find out the significance of auditory thresholds between various categories of parameters. RESULTS: Patients with Diabetes Mellitus were more commonly affected by Sensori-neural Hearing loss in the age group between 41- 49 years accounting for 77.14%. Females were more affected in our study in the ratio3.3:1. Hearing loss was bilaterally symmetrical and of sensori-neural type affecting mainly the higher frequencies. In 77.1% of our patients the duration of diabetes mellitus was less than 5years, however there was no correlation between the duration of diabetes mellitus and hearing loss. Control in the severity of diabetes mellitus lead to improvement in hearing thresholds, which was statistically significant at higher frequencies. CONCLUSION: There was a positive correlation between increased level of inflammatory markers-TNF α, IL-6, CRP, free radicals and hearing loss in diabetes mellitus. However the inclusion of elevated markers as a prognostic index to assess the degree of deafness and its relation to microangiopathy needs further studies and its role in prevention of deafness in diabetes mellitus needs further evaluation.

  8. Hearing loss and tinnitus in rock musicians: A Norwegian survey

    Directory of Open Access Journals (Sweden)

    Carl Christian Lein Størmer

    2015-01-01

    Full Text Available Our focus in this study was to assess hearing thresholds and the prevalence and characteristics of tinnitus in a large group of rock musicians based in Norway. A further objective was to assess related factors such as exposure, instrument category, and the preventive effect of hearing protection. The study was a cross-sectional survey of rock musicians selected at random from a defined cohort of musicians. A random control group was included for comparison. We recruited 111 active musicians from the Oslo region, and a control group of 40 nonmusicians from the student population at the University of TromsØ. The subjects were investigated using clinical examination, pure tone audiometry, tympanometry, and a questionnaire. We observed a hearing loss in 37.8% of the rock musicians. Significantly poorer hearing thresholds were seen at most pure-tone frequencies in musicians than controls, with the most pronounced threshold shift at 6 kHz. The use of hearing protection, in particular custom-fitted earplugs, has a preventive effect but a minority of rock musicians apply them consistently. The degree of musical performance exposure was inversely related to the degree of hearing loss in our sample. Bass and guitar players had higher hearing thresholds than vocalists. We observed a 20% prevalence of chronic tinnitus but none of the affected musicians had severe tinnitus symptomatology. There was no statistical association between permanent tinnitus and hearing loss in our sample. We observed an increased prevalence of hearing loss and tinnitus in our sample of Norwegian rock musicians but the causal relationship between musical exposure and hearing loss or tinnitus is ambiguous. We recommend the use of hearing protection in rock musicians.

  9. Clinical evaluation of the xDP output compression strategy for cochlear implants.

    Science.gov (United States)

    Bozorg-Grayeli, Alexis; Guevara, Nicolas; Bebear, Jean-Pierre; Ardoint, Marine; Saaï, Sonia; Hoen, Michel; Gnansia, Dan; Romanet, Philippe; Lavieille, Jean-Pierre

    2016-09-01

    Technological advances in the domain of digital signal processing adapted to cochlear implants (CI) are partially responsible for the ever-improving outcomes observed with this neural prosthesis. The goal of the present study was to evaluate audiometric outcomes with a new signal processing strategy implemented in Oticon Medical-Neurelec cochlear implant systems, the xDP strategy. The core of this approach is a preset-based back-end output compression system, modulating a multi-channel transfer function depending on the intensity and information content of input sounds. Twenty adult CI patients, matched for age and CI experience, were included in this study. Pure-tone thresholds and vocal audiometry scores were measured with their former signal processing strategy and with xDP. Speech perception was assessed using dissyllabic words presented in quiet, at different intensity levels: 40, 55, 70, and 85 dB SPL, and in a cocktail party noise at a signal-to-noise ratio of +10 dB. Results with the xDP strategy showed, as awaited, no major modification of pure-tone thresholds. A global increase of speech perception scores was observed after a 1-month habituation period, with significant improvements for speech perception in quiet for moderate (55 dB SPL), loud speech sounds (85 dB SPL), and speech-in-noise comprehension. Subjective signal quality assessment showed a preference for Crystalis(xDP) over the former strategy. These results allow the quantification of improvements provided by the xDP signal processing strategy.

  10. DPOAE level mapping for detecting noise-induced cochlear damage from short-duration music exposures

    Science.gov (United States)

    Buckey, Jay C.; Fellows, Abigail M.; Clavier, Odile H.; Allen, Lindsay V.; Brooks, Chris A.; Norris, Jesse A.; Gui, Jiang; Meinke, Deanna K.

    2015-01-01

    Distortion product otoacoustic emission (DPOAE) level mapping provides a comprehensive picture of cochlear responses over a range of DP frequencies and f2/f1 ratios. We hypothesized that individuals exposed to high-level sound would show changes detectable by DPOAE mapping, but not apparent on a standard DP-gram. Thirteen normal hearing subjects were studied before and after attending music concerts. Pure-tone audiometry (500-8,000 Hz), DP-grams (0.3-10 kHz) at 1.22 ratio, and DPOAE level maps were collected prior to, as soon as possible after, and the day after the concerts. All maps covered the range of 2,000-6,000 Hz in DP frequency and from 1.3 to -1.3 in ratio using equi-level primary tone stimuli. Changes in the pure-tone audiogram were significant (P ≤ 0.01) immediately after the concert at 1,000 Hz, 4,000 Hz, and 6,000 Hz. The DP-gram showed significant differences only at f2 = 4,066 (P = 0.01) and f2 = 4,348 (P = 0.04). The postconcert changes were readily apparent both visually and statistically (P ≤ 0.01) on the mean DP level maps, and remained statistically significantly different from baseline the day after noise exposure although no significant changes from baseline were seen on the DP-gram or audiogram the day after exposure. Although both the DP-gram and audiogram showed recovery by the next day, the average DPOAE level maps remained significantly different from baseline. The mapping data showed changes in the cochlea that were not detected from the DP-gram obtained at a single ratio. DPOAE level mapping provides comprehensive information on subtle cochlear responses, which may offer advantages for studying and tracking noise-induced hearing loss (NIHL). PMID:26356368

  11. Forensic Identification of Pseudohypacusis%法医学中伪聋鉴定的常用方法

    Institute of Scientific and Technical Information of China (English)

    朱卫元; 刘凡; 仇海华

    2012-01-01

    Some patients deliberately disguise as deaf after the first ear trauma or head trauma because of compensation for the losses. However,they are disease-free or only have minor damage to their auditory system. So, it is important to make an objective appraisal of auditory function in forensic practice. Identification methods include: pure tone audiometry, speech recognition threshold, Stenger test, auditory brainstem response, distortion products otoacoustic emissions, transient-evoked otoacoustic emissions and multiple-freguency steady-state evoked potential. Because each method has its own advantages and disadvantages, several ways should be simultaneously applied to the identification of hearing damage.%伪聋即装聋,在法医学鉴定工作中常会遇到一些伤者在耳外伤或头颅外伤后涉及"刑事责任"或"赔偿损失"等问题,为达到个人目的,故意伪装成耳聋,而客观上其听觉系统正常或仅有轻微损害.因此,听功能损伤的鉴定是此类案件鉴定的关键.常用的听功能鉴定方法包括纯音听阈测试、言语识别阈测试、响度优势测试、听性脑干反应、畸变产物耳声发射、瞬态诱发耳声发射、多频稳态诱发电位等.但每种方法都有优缺点,在鉴定工作中应将几种方法结合应用,综合评价听力损失程度.

  12. Progestin negatively affects hearing in aged women.

    Science.gov (United States)

    Guimaraes, Patricia; Frisina, Susan T; Mapes, Frances; Tadros, Sherif F; Frisina, D Robert; Frisina, Robert D

    2006-09-19

    Female hormone influences on auditory system aging are not completely understood. Because of widespread clinical use of hormone replacement therapy (HRT), it is critical to understand HRT effects on sensory systems. The present study retrospectively analyzed and compared hearing abilities among 124 postmenopausal women taking HRT, treated with estrogen and progestin (E+P; n = 32), estrogen alone (E; n = 30), and a third [non-hormone replacement therapy (NHRT; n = 62)] control group. Subjects were 60-86 years old and were matched for age and health status. All had relatively healthy medical histories and no significant noise exposure, middle-ear problems, or major surgeries. Hearing tests included pure-tone audiometry, tympanometry, distortion-product otoacoustic emissions (DPOAEs), transient otoacoustic emissions, and the hearing-in-noise test (HINT). The HINT tests for speech perception in background noise, the major complaint of hearing-impaired persons. Pure-tone thresholds in both ears were elevated (poorer) for the E+P relative to the E and control groups. For DPOAEs, the E+P group presented with lower (worse) levels than the E and control groups, with significant differences for both ears. For the HINT results, the E+P group had poorer speech perception than the E and control groups across all background noise speaker locations and in quiet. These findings suggest that the presence of P as a component of HRT results in poorer hearing abilities in aged women taking HRT, affecting both the peripheral (ear) and central (brain) auditory systems, and it interferes with the perception of speech in background noise.

  13. Methylmercury exposure and neurological outcomes in Taiji residents accustomed to consuming whale meat.

    Science.gov (United States)

    Nakamura, Masaaki; Hachiya, Noriyuki; Murata, Ken-ya; Nakanishi, Ichiro; Kondo, Tomoyoshi; Yasutake, Akira; Miyamoto, Ken-ichiro; Ser, Ping Han; Omi, Sanae; Furusawa, Hana; Watanabe, Chiho; Usuki, Fusako; Sakamoto, Mineshi

    2014-07-01

    Methylmercury (MeHg) is a major environmental neurotoxicant that causes damage to the central nervous system. In Japan, industrial emission of MeHg has resulted in MeHg intoxication in Minamata and Niigata, the so-called Minamata disease. Humans are exposed to MeHg derived from natural sources, primarily fish and fish predators. Therefore, MeHg continues to be an environmental risk to human health, particularly in susceptible populations that frequently consume substantial amounts of fish or fish predators such as whale. This study aimed to investigate the health effects of MeHg exposure in adults. The subjects were 194 residents (117 males, 77 females; age 20-85 years) who resided in the coastal town of Taiji, the birthplace of traditional whaling in Japan. We analyzed hair for mercury content and performed detailed neurological examinations and dietary surveys. Audiometry, magnetic resonance imaging, and electromyography were performed to diagnose neurological defects. Whole blood mercury and selenium (Se) levels were measured in 23 subjects. The geometric mean of the hair mercury levels was 14.9 μg/g. Twelve subjects revealed hair mercury levels >50 μg/g (NOAEL) set by WHO. Hair mercury levels significantly correlated with daily whale meat intake. These results suggested that residents in Taiji were highly exposed to MeHg by ingesting MeHg-contaminated whale meat. Multivariate regression analysis demonstrated no significant correlations between hair mercury levels and neurological outcomes, whereas some of the findings significantly correlated with age. A significantly positive correlation between whole blood mercury and Se levels was observed and the whole blood mercury/Se molar ratios of all subjects were effects of MeHg exposure in this study. PMID:24685489

  14. Efficacy of Epley maneuver in treatment of benign paroxysmal positional vertigo of the posterior semicircular canal

    Directory of Open Access Journals (Sweden)

    Babac Snežana

    2012-01-01

    Full Text Available Background/Aim. Benign paroxysmal positional vertigo is one of the most frequent peripheral vestibular system disorders. The aim of this study was to examine the efficacy of the Epley maneuver in treating benign paroxysmal positional vertigo of the posterior semicircular canal (p- BPPV and to discover possible causes of failure. Methods. This prospective study included 75 patients. In all the cases medical history showed and the positioning Dix-Hallpike test confirmed the diagnosis of p-BPPV. We also performed clinical ENT examination, searching for spontaneous nystagmus, vestibulospinal tests, caloric test, and audiometry. All the patients were treated by the modified Epley canalith repositioning maneuver. The patients were followed up at the intervals of seven and, fourteen days, and one, tree, and six months and one year. The maneuver was repeated if vertigo and nystagmus on control positioning test persisted. The transition from positive into negative Dix Hallpike test after one or two Epley maneuver was considered as success in treatment. Results. After the initial Epley maneuver the recovery rate was 90.7%, and after the second 96%. In three (4% patients with secondary p-BPPV, symptoms did not cease even after the second repositioning maneuver. The etiology of p-BPPV had a significant effect on the maneuver’s success rate (p < 0.01, whereas duration of symptoms, age and gender had no effect (p > 0.05. After a successful treatment 11 (14.66% patients had recurrent attack of BPPV during the first year. Conclusion. The Epley maneuver is very successful repositioning procedure in treating p- BPPV. The patients with idiopathic form p-BPPV showed higher success rate with Epley maneuver than those with secondary p-BPPV.

  15. Does Acquired Hypothyroidism Affect the Hearing Functions?

    Directory of Open Access Journals (Sweden)

    Ayşe Arduç

    2015-12-01

    Full Text Available Purpose: It is well known that congenital hypothyroidism can cause hearing loss. However, conflicting results were found in studies investigating hearing functions in acquired hypothyroidism. Therefore, we evaluated the audiometric findings in patients with acquired hypothyroidism. Material and Method: The study included 58 patients with hypothyroidism and age- and gender-matched 34 healthy controls. Twenty eight (48.27% patients had subclinical hypothyroidism, and 30 (51.73% had obvious hypothyroidism. All subjects had a normal otoscopic examination and tympanometry. Pure tone audiometry at 250, 500, 1000, 2000, 4000, 6000, and 8000 Hertz (Hz was performed in both groups. Blood pressure measurements and the levels of plasma electrolytes, lipids and vitamin B12 were available in all subjects. Results: Hypothyroidism group and control group were similar with respect to systolic and diastolic blood pressures and plasma glucose, lipid, vitamin B12, calcium, sodium, potassium, and chloride levels. Significantly higher audiometric thresholds (dB at 250 (10 (0-45 vs. 5 (0-15, p<0.001 and 500 Hz (10 (0-40 vs. 10 (-5-15, p=0.003 were recorded in hypothyroid patients compared to that in healthy controls. Hearing thresholds at 250 and 500 Hz correlated positively with thyroid-stimulating hormone (TSH, and negatively with free triiodothyronine and free thyroxine. Subclinical hypothyroid patients had a higher hearing threshold at 250 Hz than healthy controls (p=0.001. Discussion: Our study demonstrated that hearing ability decreases in hypothyroidism, even in subclinical hypothyroidism. The changes in TSH and thyroid hormone levels seem to be directly related to the hearing loss in this population of patients.

  16. Validity of self-reported hearing loss in adults: performance of three single questions Validez de la pérdida auditiva auto-referida en adultos: desempeño de tres preguntas únicas Validade da perda auditiva auto-referida em adultos: desempenho de três perguntas únicas

    Directory of Open Access Journals (Sweden)

    Silvia Ferrite

    2011-10-01

    Full Text Available OBJECTIVE: To estimate the validity of three single questions used to assess self-reported hearing loss as compared to pure-tone audiometry in an adult population. METHODS: A validity study was performed with a random sub-sample of 188 subjects aged 30 to 65 years, drawn from the fourth wave of a population-based cohort study carried out in Salvador, Northeastern Brazil. Data were collected in household visits using questionnaires. Three questions were used to separately assess self-reported hearing loss: Q1, "Do you feel you have a hearing loss?"; Q2, "In general, would you say your hearing is 'excellent,' 'very good,' 'good,' 'fair,' 'poor'?"; Q3, "Currently, do you think you can hear 'the same as before', 'less than before only in the right ear', 'less than before only in the left ear', 'less than before in both ears'?". Measures of accuracy were estimated through seven measures including Youden index. Responses to each question were compared to the results of pure-tone audiometry to estimate accuracy measures. RESULTS: The estimated sensitivity and specificity were 79.6%, 77.4% for Q1; 66.9%, 85.1% for Q2; and 81.5%, 76.4% for Q3, respectively. The Youden index ranged from 51.9% (Q2 to 57.0% (Q1 and 57.9% (Q3. CONCLUSIONS: Each of all three questions provides responses accurate enough to support their use to assess self-reported hearing loss in epidemiological studies with adult populations when pure-tone audiometry is not feasible.OBJETIVO: Estimar la validez de tres preguntas únicas utilizadas para evaluar la pérdida auditiva auto-referida en comparación con la audiometría de sonidos puros en una población adulta. MÉTODOS: Estudio de validez realizado con una sub-muestra aleatoria de 188 individuos, con edad entre 30 y 65 años, seleccionados de la cuarta fase (2006 de un estudio de cohorte de base poblacional conducido en Salvador, noreste de Brasil. Datos fueron colectados en entrevistas domiciliares utilizándose cuestionarios

  17. Intercorrência audiológica em músicas após um show de rock Hearing incidents in musicians after a rock concert

    Directory of Open Access Journals (Sweden)

    Marcela Pfeiffer

    2007-09-01

    Full Text Available OBJETIVO: verificar mudança temporária do limiar de audição de músicos, após exposição a níveis de pressão sonora elevados de um show de rock. MÉTODOS: foi utilizada uma amostra com seis músicos componentes da banda. Foram feitos: anamnese ocupacional, determinação dos níveis mínimos de audição e reflexos acústicos, antes e após o show de rock. A mensuração do ruído da sala do exame e do palco foi realizada por meio de um dosímetro. Os resultados foram comparados e analisados estatisticamente, utilizando-se o teste t Student, com critério para determinação de significância de p maior do que 0,05. RESULTADOS: para a dosimetria, foi encontrada a exposição ao ruído do show com valor de LAVG igual a 98,5 dB. Dentre os aspectos comportamentais relacionados ao ruído, o zumbido foi a queixa mais presente entre os integrantes. Na audiometria tonal, as maiores diferenças pré e pós-exposição, foram encontradas nas freqüências altas, sendo a orelha direita a que apresentou maiores mudanças temporárias de limiar. Os resultados foram significantes nas freqüências de 2000, 3000, 4000 e 6000 Hz, na orelha direita (p=2,7; p=2,59; p=3,7 e p=2,86 e, na freqüência de 4000 Hz, na orelha esquerda (p=2,87. Na medida do reflexo acústico após o show, a orelha direita obteve o maior índice de ausência de reflexo, com o índice de 40%; entretanto, foram encontradas diferenças estatisticamente significantes, na presença de reflexo acústico na comparação pré e pós-exposição, apenas na orelha esquerda (p=3,64. CONCLUSÃO: músicos expostos a níveis de pressão sonora intensos apresentaram alteração temporária do limiar e alteração do reflexo acústico.PURPOSE: verifying the temporary threshold shift in musicians after a high sound pressure level music exposure in a rock concert. METHODS: the sample has been made up of six band's musicians, who underwent an occupational anamnesis, pure tone audiometry and

  18. Design and Preliminary Assessment of a Portable Self-Hearing-Monitoring System%便携式听力自我监测系统的研发和初步评估

    Institute of Scientific and Technical Information of China (English)

    冀飞; 刘岩; 李倩; 李娜; 于澜; 王大勇; 周其友; 王秋菊

    2014-01-01

    Objective To design a portable self-hearing-monitoring system and to evaluate its reliability. Methods A portable self-hearing-monitoring system was composed using a ThinkPad laptop computer, Creative soundcard, ER3A insert phones and custom audio convertor. Custom software was developed and the test signals were calibrated. The original prototype was tested in small-sampled pre-assessment for major hardware or software flaws and led to revision of both software and hard-ware. A test-reliability assessment was then done in 18 normal hearing people (36 ears). Hearing thresholds in each subject were tested by regular pure tone audiometry in sound proof booth and by self hearing test as well. The thresholds at all frequen-cies from both methods were compared for differences. Results A prototype portable self-hearing-monitoring system was esteb-lished. Thresholds obtained by the self-hearing-monitoring system and pure tone audiometry fit well with each other between 250 Hz and 4 kHz (the difference was-1.81±8.29,-1.81±7.09, 0.56±6.95, 3.33±5.35, 1.94±6.68 and 3.47±5.71 dB, respec-tively), although discrepancy was noticed at 125 Hz (-6.11 ± 8.29 dB), 6 k Hz (-5.28 ± 6.54 dB) and 8 k Hz (-3.33 ± 6.87 dB). Ambient noise seemed to affect the test results of the system. Conclusions The portable self-hearing-monitoring system pro-vides a new convenient method for automatic audiometry. Test reliability of this system should be further evaluated.%目的:开发一种便携式自我听力监测系统,并进行了初步临床评估。方法采用ThinkPad笔记本电脑、Cre-ative声卡、ER3A插入式耳机以及自制音频转换器建立起便携式听力自我监测系统。开发配套系统软件并校准信号输出强度。系统建立后,首先通过小样本正常人预实验发现系统设计中存在的重大问题并进行调整。系统经过改进和调整后,在18例(36耳)听力正常人中进行纯音测听听阈与自测听阈的对比。

  19. 高龄老人前庭功能、平衡功能、视动功能的定量评价%Quantitative evaluation of vestibular function, balance function and optokinetic function in elderly person

    Institute of Scientific and Technical Information of China (English)

    赵承军; 张素珍

    2005-01-01

    心晃动的轨迹长度与速度最有价值,两个年龄段老年人的闭眼人体重心轨迹长度和晃动速度明显长于和大于睁眼(P<0.01).>80岁老年人人体重心轨迹长度和晃动速度明显长于和大于60~79岁老年人(P<0.01).④视动功能:>80岁老年人与60~79岁老年人视动增益相似(P>0.05),扫视潜伏期和跟踪失真度明显长于和大于60~79岁老年人(P<0.05~0.01).结论:80岁以上老年人大部分存在听力和位功能下降现象;视动和平衡功能较60~79岁老人更加退化.%BACKGROUND: Old people above 80 years old have a high incidence of dizziness and tumble, which are associated with weakening vestibular function, balance function and optokinetic function.OBJECTIVE: This study was designed to make a quantitative evaluation of vestibular function, balance function and optokinetic function in people over 80 years old.DESIGN: It was a quantitative study on posture function (vestibular and balance function), auditory function (frequency audiometry) and visual function (optokinetic function) in elderly persons.SETTING: Department of Otolaryngology ,General Hospital of Chinese PLA.PARTICIPANTS: Totally 41 old male inpatients with systemic diseases in Rehabilitation Department of the General Hospital of Chinese PLA, with an age from 80 to 94 were selected from March 1993 to January 1994. Of them, 12 had tinnitus, 20 had dizziness. During the same period, old cadres including 11 males and 7 females aged from 60 to 79 years with normal findings of physical examinations were selected as controls. No participant in this group suffered from tinnitus, deafness and dizziness. All the participants were voluntary.METHODS: Patients underwent full-scale otolaryngological examinations.Audiometry consisted of battery of tests including frequency audiometry and evoked auditory brainstem responses (ABR). Vestibular function (posture) was assessed by vestibular-ocular reflexes. Participants

  20. Resultados da cirurgia para otospongiose com dois tipos de prótese em procedimentos realizados por residentes Results of stapes surgery for otosclerosis with two kinds of prothesis in residency training

    Directory of Open Access Journals (Sweden)

    Celso Dall'Igna

    2008-12-01

    Full Text Available A cirurgia do estapédio é um dos tratamentos indicados para a melhora da surdez condutiva secundária à otospongiose. O procedimento requer habilidade e experiência do cirurgião e faz parte do treinamento durante a residência médica. OBJETIVOS: Avaliar qual tipo de prótese (teflon ou mista de metal e aço apresenta melhores os resultados auditivos em cirurgias realizadas por residentes e a incidência de complicações. MATERIAL E MÉTODOS: Foram avaliadas retrospectivamente 189 intervenções cirúrgicas que tiveram participação ativa de residentes, comparando-se os dois tipos de prótese utilizados. Os resultados audiométricos foram analisados conforme orientação do Committee on Hearing and Equilibrium e segundo o Amsterdam Hearing Evaluation Plots. RESULTADOS: O gap aéreo-ósseo diminuiu em média 21,90 dB (pStapes surgery is one of the approaches indicated to treat conductive hearing loss secondary to otosclerosis. The procedures requires skill and experience from the surgeon and is part of medical residency training. AIMS: To assess which type of prosthesis (Teflon or metal/steel presents the best results in surgeries performed by residents and the incidence of complications. MATERIALS AND METHODS: we retrospectively assessed 189 interventions that counted on the active participation of resident physicians, and we compared the two types of prosthesis used. Audiometric results were analyzed following the guidelines from the Committee on Hearing and Equilibrium and also according to the Amsterdam Hearing Evaluation Plots. RESULTS: Bone-air gap reduced in an average value of 21.90 dB (p<0.05 after the surgery in the group that received the Teflon prosthesis and 21.37 dB (p<0.05 in the group that received the mixed prosthesis, and gain in SRI was of 22.33 and 26.10 dB (p<0.05, and the air-bone gap was below 20 dB in 80.6% and 85.04%, respectively. CONCLUSIONS: We did not see differences in the audiometry and in the incidence of

  1. A study on hearing evaluation in patients of chronic renal failure

    Directory of Open Access Journals (Sweden)

    Ravinder Sharma

    2011-01-01

    Full Text Available Aims and Objective: The aim of the study was to evaluate hearing threshold and the severity of hearing loss at different frequencies (250Hz, 500Hz, 1000Hz, 2000Hz, 3000Hz, 4000Hz, 6000Hz, and 8000Hz in patients of chronic renal failure (CRF, and to analyze the role of duration of disease on hearing threshold in patients of CRF. Materials and Methods: Fifty two patients of CRF were evaluated in Nephrology unit and ENT OPD. Cases with middle ear involvement were not included in the study. Pure tone audiometry was done in all cases to establish hearing threshold at different frequencies. Cases with hearing loss were classified according to the severity of hearing loss. In patients with sensorineural hearing loss, mean hearing threshold was calculated. Cases were classified in two groups on the basis of duration of disease (less than two years and more than two years and the mean hearing thresholds were calculated. The significant differences between the mean hearing thresholds of these two groups were assessed using student′s t test for unequal samples. Results : A total of 52 patients (28 males and 24 females were included in the study. Majority of the patients were in 21 to 40 year age group (mean age 36.84 years. Of the 104 ears, 76 ears (73.07% had sensorineural hearing loss and 28 ears (26.93% had normal hearing. Majority of the ears with hearing loss had mild (44.73% or moderate (42.11% sensorineural hearing loss. Mean hearing threshold was higher at low frequencies and high frequencies with a relative sparing of mid frequencies. Comparison of the mean hearing threshold in patients of Group I (duration of disease less than two years - 42 ears and Group II (duration of disease more than two years - 34 ears showed a statistically significant difference (P<0.05 in mean hearing threshold at 250 Hz. Conclusion: Hearing loss is present in majority of the patients of CRF. Most of the cases have mild to moderate sensorineural hearing loss. Hearing

  2. Eficácia da escolha do protetor auditivo pequeno, médio e grande em programa de conservação auditiva Efficacy in the choice of small, medium or large auricular protector under auditive conservation program

    Directory of Open Access Journals (Sweden)

    Marleide Aparecida Griggio Rodrigues

    2006-12-01

    Full Text Available OBJETIVO: verificar a eficácia da escolha do protetor auditivo por tamanhos Pequeno, Médio, Grande em um programa de conservação auditiva. MÉTODO: fizeram parte do estudo 30 indivíduos com audição normal previamente avaliados, de 18 a 45 anos de idade, sendo 15 do gênero feminino e 15 do gênero masculino, de Indústria Moveleira. Os sujeitos foram submetidos à avaliação audiológica convencional, audiometria em campo livre sem protetor auricular de inserção, com protetor tamanho universal e com tamanho adequado a cada indivíduo. Para análise estatística foi aplicado teste T Paramétrico para análise das diferenças. RESULTADOS: O teste T Paramétrico pareado, mostrou significância, na comparação dos protetores auriculares na freqüência de 4KHz. CONCLUSÃO: os resultados mostraram eficácia dos protetores auriculares pequeno e grande sobre os protetores tamanho universal em um programa de conservação auditiva.PURPOSE: to check the efficacy in the choice of small, medium or large auricular protector under auditive conservation program. METHODS: 30 individuals, between 18 to 45-year old, with normal hearing, were part of the study previously evaluated: 15 women and 15 men, all working in a furniture industry. The individuals were submitted to the conventional audiological evaluation, audiometry in free field without auricular insertion protector, with universal size protector and with size adequate to each individual. For statistical analysis we used Parametric T test for analyzing the differences. RESULTS: the Parametric T test showed significance, during the comparison of the auricular protectors in the frequency of 4KHz. CONCLUSION: these results demonstrate efficacy in choice of small, medium or large auditive protector, under auditive conservation program.

  3. Data collection and preservation of hereditary hearing impairment in pedigree populations%遗传性耳聋家系的收集和保存

    Institute of Scientific and Technical Information of China (English)

    王利伟; 曹世峰; 李玲香; 刘涛; 付春华; 李建瑞

    2012-01-01

    目的 总结遗传性耳聋家系收集的方法,为遗传资源的收集和保存提供经验.方法 通过各级残联、聋校、耳鼻喉科门诊等渠道收集耳聋家系资源.对家系成员行问卷式调查、专科检查、绘制家系图谱,在知情同意的基础上抽取外周血,提取基因组DNA,建立资料的数据化管理模式.结果 成功收集到40个耳聋家系的详细临床资料、听力学资料、血样及基因组DNA;系统整理、保存了该耳聋资源的电子版与纸质版资料,实现资料数据化管理.结论 遗传性耳聋的遗传方式具有多样性和遗传异质性.家系资源有减少的趋势,收集和保存工作刻不容缓.该工作需要多学科、各部门的参与配合才能顺利进行.%Objective To offer experiences for collection and storage of genetic information via analyzing the methods for hereditary hearing loss family pedigree. Methods We collected the pedigrees of deafness from the Disabled Federation at all levels, special school, outpatient department of E. N. T. And other channels. For members of these families, we used a questionnaire survey, specialized examination, and pedigree tree plotting. On the basis of informed consent, we collected peripheral blood samples, extracted the genomic DNA and established the digital management model for these data. Results We collected 40 hereditary pedigrees and obtained their detailed clinical information, audiometry data,blood samples and genomic DNA. We also systemically sorted out and stored electronic and printed version of these data with digital management. Conclusion Hereditary hearing loss is diverse and heterogeneous. However, there has been a decreasing tendency in pedigrees resources. It is of great urgency to coordinate and utilize multidisciplinary approaches for data collection and storage.

  4. OTOSCLEROSI S - AN EVALUATION OF CLINICAL AND AUDIOLOGIC FINDINGS; OUTCOME AND COMPLICATIONS OF SMALL FENESTRA STAPEDOTOMY

    Directory of Open Access Journals (Sweden)

    Sunil Kumar

    2015-05-01

    stapedectomy operation for Otosclerosis and replaced the stapes bone with a polyethylene tube prosthesis and vein graft. Small fenestra stapedectomy is a more precise method of creating a hole in footplate rather than total footplate removal. It gives less post - operative vertigo and better high frequency hearing compared to total footplate removal. The present st udy is a longitudinal clinical study on Otosclerosis with emphasis on clinical and audiological features, per operative findings, outcome and complications of stapedectomy. The objective is to study the demographic and clinical features of Otosclerosis in this part of Kerala; to analyze the results of audiometry and operative notes of Otosclerosis; to describe the outcome and incidence of complications of small fenestra stapedectomy in Otosclerosis

  5. Measuring Disability in Population Based Surveys: The Interrelationship between Clinical Impairments and Reported Functional Limitations in Cameroon and India

    Science.gov (United States)

    2016-01-01

    Purpose To investigate the relationship between two distinct measures of disability: self-reported functional limitations and objectively-screened clinical impairments. Methods We undertook an all age population-based survey of disability in two areas: North-West Cameroon (August/October 2013) and Telangana State, India (Feb/April 2014). Participants were selected for inclusion via two-stage cluster randomised sampling (probability proportionate to size cluster selection and compact segment sampling within clusters). Disability was defined as the presence of self-reported functional limitations across eight domains, or presence of moderate or greater clinical impairments. Clinical impairment screening comprised of visual acuity testing for vision impairment, pure tone audiometry for hearing impairment, musculoskeletal functioning assessment for musculoskeletal impairment, reported seizure history for epilepsy and reported symptoms of clinical depression (depression adults only). Information was collected using structured questionnaires, observations and examinations. Results Self-reported disability prevalence was 5.9% (95% CI 4.7–7.4) and 7.5% (5.9–9.4) in Cameroon and India respectively. The prevalence of moderate or greater clinical impairments in the same populations were 8.4% (7.5–9.4) in Cameroon and 10.5% (9.4–11.7) in India. Overall disability prevalence (self-report and/or screened positive to a moderate or greater clinical impairment) was 10.5% in Cameroon and 12.2% in India, with limited overlap between the sub-populations identified using the two types of tools. 33% of participants in Cameroon identified to have a disability, and 45% in India, both reported functional limitations and screened positive to objectively-screened impairments, whilst the remainder were identified via one or other tool only. A large proportion of people with moderate or severe clinical impairments did not self-report functional difficulties despite reporting

  6. Auto-avaliação da audição em idosos Self-evaluation of hearing in elderly

    Directory of Open Access Journals (Sweden)

    Lívia Maria Santiago

    2009-01-01

    noted hearing complaints in daily activities of elderly, which could not be investigated with routine health assessments, not even with audiometry. These results were significant, mainly because we used a specific group, that included "young elderly" (60-69-year old, facts that could decrease the number of complaints.

  7. 职业性噪声聋患者听觉诱发电位的初步研究%Study on brainstem auditory evoked potentials of patients with occupational noise deaf

    Institute of Scientific and Technical Information of China (English)

    邓龙刚; 杨寅秋; 李美娟; 何烈纯; 侯旭东

    2012-01-01

    Objective To study the correlation between auditor}1 evoked potential (AEP) and occupational noise deaf. Methods 45 cases of patients with occupational noise deaf (24 case with mild deafness, 21 cases with moderate deafness) and 25 individuals with normal healing (control group) were detected by pure tone audiometry (PTA), auditory sieady-siate evoked responses (ASSR), bralnstem auditor)" evoked potentials (BAEP) and 40 Hz auditory event-related potentials (40 Hz AEP) test. The tests results of the two groups were compared. Results There were significant difference in PTA, ASSR, BAEP and 40 Hz AEP test results between the control group and mild, moderate deafness group (P < 0.05); PTA was positively correlated with AEP reacting values (r - 0.722, 0.670, 0.835). Conclusion ASSR, BAEP, 40 Hz AEP tests can provide objective and impartial basis for the diagnosis of occupational noise deaf.%目的 探讨听觉诱发电位与噪声性聋易感性的关系.方法 使用纯音测听(PTA)、多频稳态诱发电位(ASSR)、脑干诱发电位(BAEP)、40 Hz听觉诱发电位(40 Hz AEP)检测45例职业性噪声聋患者(轻度聋24例,中度聋21例)和25例听力正常者(对照组),对PTA结果与ASSR、BAEP、40 Hz AEP反应阈检测结果进行对比研究.结果 对照组PTA、ASSR、BAEP、40 Hz AEP值与轻度和中度噪声聋比较,差异均有统计学意义(均P<0.05),FTA阈值与各听觉诱发电位反应值均存在正相关关系(r=0.722、0.670、0.835).结论 ASSR、BAEP、40 Hz AEP检测能为职业性听力损伤的诊断提供客观、公正的依据.

  8. Estudo da freqüência fundamental da voz de idosas portadoras de diferentes graus de perda auditiva Study of the fundamental frequency in elderly women with hearing loss

    Directory of Open Access Journals (Sweden)

    Giovana dos Santos Baraldi

    2007-06-01

    Full Text Available A deficiência auditiva, dentre outros, é um dos distúrbios mais referidos pela população idosa. Sabe-se que o sistema de feedback auditivo é primordial para o monitoramento dos parâmetros vocais, como a freqüência fundamenta. OBJETIVO: Correlacionar a audição e os valores de F0 (freqüência fundamental da voz de idosas portadores de diferentes graus de sensibilidade auditiva. FORMA DO ESTUDO: Transversal descritivo. MATERIAL E MÉTODOS: Amostra de 30 idosas, idades média de 76,23, portadoras de audição normal ou perda auditiva neurossensorial descendente simétrica. Foram submetidas a anamnese, avaliação auditiva (audiometria tonal limiar, IPRF e imitanciometria e avaliação vocal. Os resultados de ambas as avaliações foram correlacionados. RESULTADOS: A F0 da produção vocal de idosas com perda leve (144,44 foi significantemente menor que para perda moderada (160,3, moderadamente severa (188,23 e severa (201,27, tanto utilizando a classificação de grau da perda auditiva para freqüências baixas como altas. CONCLUSÃO: Quanto mais elevado o grau da perda auditiva, maior o valor de freqüência fundamental encontrado.Increased life expectancy raises demands for special attention for the elderly population; speech, language and hearing science deals with their communication disorders. Hearing loss is a common disorder affecting this age group. It is known that the auditory feedback system is essential to human vocalizing, as it organizes voice production. AIM: To assess and correlate the hearing system and the Fundamental Frequency (F0 of women who have variable degrees of sensorineural hearing loss. MATERIAL AND METHOD: a cross-sectional descriptive study. 30 women with a mean age of 75.95 (SD = 7,41 were included. Inclusion criteria were: symmetric sensorineural hearing loss, a high-frequency sloping configuration, and a type A tympanogram. Subjects underwent Pure Tone Audiometry, a Word Recognition Test, Tympanometry

  9. Symphony orchestra musicians′ use of hearing protection and attenuation of custom-made hearing protectors as measured with two different real-ear attenuation at threshold methods

    Directory of Open Access Journals (Sweden)

    K H Huttunen

    2011-01-01

    Full Text Available Despite a high level of sound exposure and a fairly large selection of earplugs available, musicians have often been reported to use personal hearing protectors only seldom. For better hearing conservation, it is important to identify and eliminate the causes for the low motivation to use hearing protection. We explored the usage rate of custom-molded musician′s earplugs (ER-15 among 15 symphony orchestra musicians with a questionnaire, and measured the attenuation properties of their earplugs with a Real-Ear Attenuation at Threshold (REAT procedure in a sound field. Earplug use was found to be low, and the musicians reported that earplugs hampered listening to their own and their colleagues′ playing; earplugs affected either timbre or dynamics, or both. Additionally, several reasons related to discomfort of use were itemized, but the musicians who consistently used their earplugs did so in spite of problems with use. The REAT values obtained in sound field were relatively close to the manufacturer′s nominal specifications, being 13.7 dB, on average. In the frequency range studied (0.125-8 kHz, individual variation in REAT was, however, up to 15 dB across the measured frequencies. Fluctuation in attenuation might be related to low use of hearing protectors, and REAT measured at fixed center frequencies may be too robust a method to uncover it. We therefore tested 10 additional subjects to find out whether a sweeping signal used in Bιkιsy audiometry would bring more detailed information on earplug attenuation. Mean attenuation was found to be somewhat closer to the nominal attenuation of the ER-9 and ER-15 earplugs up to about 1 kHz, whereas REAT measurements in sound field revealed more even attenuation at frequencies between 1 and 6 kHz. No significant association was found between earplug attenuation properties and earplug use. It was concluded that support and determination to get accustomed to hearing protector use are important

  10. Sensorineural hearing loss in high school teenagers in Mexico City and its relationship with recreational noise Las alteraciones auditivas de escolares adolescentes en la Ciudad de México pueden estar relacionadas al ruido recreativo

    Directory of Open Access Journals (Sweden)

    María del Consuelo Martínez-Wbaldo

    2009-12-01

    Full Text Available The aim of this study was to measure the frequency of hearing loss in a sample of typical public high-school students exposed to recreational noise, and determine associated risk factors. The sample was made up of 214 teenagers from a high-school in Mexico City; subjects were selected randomly per strata. We applied a questionnaire to identify risk factors for hearing loss and performed a battery of audiologic tests consisting of otoscopy, tympanometry, and pure-tone audiometry. The mean age of the sample was 16 ± 1.07 years; 73% were male and 27%, female. Hearing loss was found in 21% of students. The main hearing loss-related risk factor was exposure to recreational noise: frequent attendance at discotheques and pop-music concerts; use of personal stereos; and noise exposure in school workshops. The high frequency of hearing loss in high school students from one Mexico City school (nearly one fifth of the sample was found to be related to noise exposure mainly during recreational activities.El objetivo de este estudio fue medir la frecuencia de alteraciones auditivas en una muestra de escolares de educación media superior expuestos a ruido recreativo y determinar algunos factores de riesgo asociados. La muestra estuvo constituida por 214 adolescentes de una escuela de la Ciudad de México. Los sujetos fueron seleccionados al azar por medio de una computadora. Se aplicaron cuestionarios con el objeto de identificar los factores de riesgo para alteraciones auditivas y se les practicaron diversos estudios audiológicos consistentes en: otoscopía, timpanometría y una audiometría a tonos puros. La edad media de la muestra fue de 16 ± 1,07 años, 73% fueron del sexo masculino y 27% femenino. Se encontraron alteraciones auditivas en 21% de los estudiantes. Los principales factores de riesgo asociados a alteraciones auditivas fueron: exposición al ruido recreativo al asistir a discotecas, conciertos de música popular, el uso de equipos de

  11. Prevalence and risk factors of chronic otitis media: the Korean National Health and Nutrition Examination Survey 2010-2012.

    Directory of Open Access Journals (Sweden)

    Mina Park

    Full Text Available The performance of nationwide studies of chronic otitis media (COM in adults has been insufficient in Korea. We evaluated the prevalence and risk factors of COM in Korea.This study was conducted using data from the fifth Korean National Health and Nutrition Examination Survey (n = 23,621. After excluding the subjects under 20 year old and suffered from cancers, 16,063 patients were evaluated for COM. Participants underwent a medical interview, physical examination, endoscopic examination, and blood and urine test. COM was diagnosed by trained residents in the Department of Otorhinolaryngology using an ear, nose, and throat questionnaire and otoendoscopy findings. Data on the presence and absence of COM were collected. Multivariate logistic regression analyses were performed to identify its risk factors.Of the 16,063 participants aged above 20 year old, the weighted prevalence of COM was 3.8%. In the multivariate analyses, the following factors showed high odds ratios (ORs for COM: pulmonary tuberculosis (adjusted OR, 1.78; 95% confidence interval [CI], 1.06-3.01, chronic rhinosinusitis (adjusted OR, 1.87; 95% CI, 1.17-2.98, mild hearing impairment (adjusted OR, 1.95; 95% CI, 1.34-2.85, moderate hearing impairment (adjusted OR, 4.00; 95% CI, 2.21-7.22, tinnitus (adjusted OR, 1.82; 95% CI, 1.34-2.49, increased hearing thresholds in pure tone audiometry in the right ear (adjusted OR, 1.02; 95% CI, 1.01-1.03, and left ear (adjusted OR, 1.03; 95% CI, 1.02-1.04. The following factors showed low odds ratios for COM: hepatitis B (adjusted OR, 0.28; 95% CI, 0.08-0.94 and rhinitis (adjusted OR, 0.60; 95% CI, 0.42-0.88. In addition, high levels of vitamin D, lead, and cadmium, EQ-5D index; and low red blood cell counts were associated with development of COM (Student's t-test, P < 0.01.Our population-based study showed that COM is not rare in Korea, and its development may be associated with various host and environmental factors. Further research on its

  12. Prevalence of permanent hearing threshold shift among workers of Indian iron and steel small and medium enterprises: A study

    Directory of Open Access Journals (Sweden)

    Lakhwinder Pal Singh

    2012-01-01

    complete hearing conservation programme, including training, audiometry, job rotation, and the use of hearing protection devices, is the most feasible method for the protection of industrial workers from prevailing noise in workplace environments in the developing countries.

  13. 飞行人员纯音听阈测定结果分析%Pure Tone Audiometric Test Results of Aircrew

    Institute of Scientific and Technical Information of China (English)

    薛迎春; 薛烽; 杨秀秀; 施斌斌

    2012-01-01

    Objective To explore the effect of fight noise on hearing loss of aircrew. Methods A total of 208 aircrew of different airplane types were divided into group A (fighter/attacker crew), group B (bomber/carrier crew), and group C (civilian fighter crew). Control group D contained 41 people in the same age range without noise contact The fight noise was detected, the pure tone audiometry was tested, and the data was statistically analyzed. Results The average threshold of speech frequency of group A, B and C were significantly decreased compared with that of group D (P <0. 01 or 0. 05). The average threshold of speech frequency and high frequency threshold of group A were significantly different compared with group B or C (P<0. 01 or 0. 05). There was no statistical difference between group B and group C. Conclusion The noise of different types of planes have different degrees of effects on hearing of the aircrew. The prevention of noise induced deafness should focus on improving the avaiation medical service quality, raising awareness, strengthening personal protection and carrying out regular hearing testing.%目的 探讨飞机噪声对飞行人员听力的影响.方法 以208名不同机种飞行人员为研究对象,分为歼(强)击机组(A组),运(轰)机组(B组),民航组(C组),以同一年龄段的非噪声接触人群41人为对照组(D组),进行飞机噪声测定及纯音听阈测定,进行统计学分析.结果 A、B、C3组飞行人员言语频率平均听阈及高频平均听阈与D组相比均显著下降(P<0.01或0.05),A组言语频率平均听阈及高频平均听阈与B,C两组间比较有统计学差异(P<0.01,P<0.05),B组与C组间比较无统计学差异.结论 不同机种的噪声对飞行人员听力存在不同程度的影响.噪声性耳聋的预防重点在于加强航卫保障质量,提高个人防护意识及定期进行听力检查.

  14. 阻塞性睡眠呼吸暂停低通气综合征患儿手术前后听力及中耳功能变化的临床探讨

    Institute of Scientific and Technical Information of China (English)

    杨森; 黄红星; 余文兴; 杨立; 税磊

    2013-01-01

    目的:探讨阻塞性睡眠呼吸暂停低通气综合征(obstructive sleep apneahypopnea syndrome OSAHS)患儿术前、术后听力及中耳功能的变化。方法选择病因是扁桃体及腺样体肥大的OSAHS患儿48例,术前做纯音测听、声导抗检查,了解患儿听力状态。全麻下切除双侧扁桃体,同期在鼻内镜下用切吸器切除腺样体;术后抗生素预防感染、静脉激素抗炎、雾化吸入等治疗,术后门诊随访。结果所有患者随访6-12月,复查听力学检查,听力下降患儿39例听力及中耳功能明显改善。结论对OSAHS患儿应常规行术前、术后听力学检查、并作对比,分析扁桃体及腺样体切除术前后患儿的中耳功能及听力改善情况,取得患儿家属的认可,具有良好的社会效益。%Objective To study the change of the heannig in children with obstructive sleep apnea hypopnea syndrome at before and after the surgery of tonsillecto-my and adenoidectomy.Methods A total of 48 children with OSAHS because of the hypertrophy of adenoid and tonsil were included in this study .Pure tone audiometry and acoustic immittance measurement were taken before and after operation to understanding of children with hearing status .Under the general anesthesia,first resection of bilateral amygdala,and then cut the adenoid under nasal endoscope.Postoperative antibiotics to prevent infection,intravenous steroid anti-inflammatory and inhalation therapy,etc.Outpatient follow-up review audiological examination 6 to 12 months,39 cases of hearing and middle ear function improved significantly .Results Children with OSAHS should be routine audiological examination ,to analysing the hearing and middle ear function who with hearing loss in children with OSAHS before and after the tonsillectomy and adenoidectomy,has made with family recognition and favorable social benefit.

  15. The investigation of the audio-vestibular and oculomotor functions in people more than eighty years old%80岁以上老人听力、前庭及视动功能的社区调查

    Institute of Scientific and Technical Information of China (English)

    张进; 梁宾; 粟红燕; 张良; 张季元

    2013-01-01

      目的调查80岁以上老人的听力、前庭及视动功能变化。方法用纯音测听及听性脑干反应测试听力功能;用眼震电图及姿势图测试半规管、视动及平衡功能。结果(1)语频听力异常者点84.1%;(2)半规管功能和平衡功能异常者分别为38.5%和74.4%,与60岁组比较,重心晃动的轨迹长,速度大;(3)视动功能检查,80岁以上老人扫视潜伏期延长,跟踪失真度加大。结论随着年龄老化,80岁以上老人半规管、视动、平衡功能,均有不同程度减退,可能是老年人易摔倒的重要原因。%Objective: To investigate audio-vestibular and oculomotor functions of octogenarian. Metbod: The audition were measured with audiometry and auditory beainstem response. The semicrcular, oculomotor and balance functions were examinated by electronystagmography and posturography, Result: (1)The bearing abnormality of speech frequency were 84. 1 percent by audionetry;(2)The abnormal rats of semicircular function and posturogram were 38.5% and 74.4% respectively. The body sway locus and velocity of octogenarians have increased as compared with the group of 60 years old in the posturography;(3)The latency of saccade was prolonged and total hearmonic distortion of pusuit was increased than that of 60 years old in the oculomotor test. Conclusion: The easily fal ing of octogenarians may be related to disturbing of seminircular oculomotor and equilibrational functions.

  16. The association of obesity with hearing thresholds in women aged 18-40 years.

    Science.gov (United States)

    Üçler, Rıfkı; Turan, Mahfuz; Garça, Fatih; Acar, İsmail; Atmaca, Murat; Çankaya, Hakan

    2016-04-01

    An elevation in hearing thresholds and decrease in hearing sensitivity in adults, particularly due to aging, are quite common. Recent studies have shown that, apart from aging, various other factors also play a role in auditory changes. Studies on the association of hearing loss (HL) with obesity are limited in advanced age cases and present contradictions. In this study, the association between obesity and hearing thresholds in women aged 18-40 years has been assessed. Forty women diagnosed with obesity (mean age, 31.8 years) and 40 healthy non-obese female controls (mean age, 30.5 years) were included in this prospective study. Each subject was tested with low (250, 500, 1000 and 2000 Hz) and high (4000, 6000 and 8000 Hz) frequency audiometry. In the case and control groups, the average hearing thresholds at low frequencies were 16.03 ± 4.72 and 16.15 ± 2.72 (p = 0.885) for the right ear, respectively, and 16.15 ± 5.92 and 14.71 ± 3.18 (p = 0.180) for the left ear, respectively. The average hearing threshold levels at high frequencies were 20.70 ± 10.23 and 15.33 ± 3.87 (p = 0.003), respectively, for the right ear, and 22.91 ± 15.54 and 15.87 ± 4.35 (p = 0.007), respectively, for the left ear with statistical significance. This is the first report on the association of obesity with hearing threshold in women aged 18-40 years. We have demonstrated that obesity may affect hearing function, particularly that related to high frequencies. Hearing loss can be prevented by avoidance or control of obesity and its risk factors. Moreover, an auditory screening of obese cases at an early stage may provide early diagnosis of HL and may also contribute to their awareness in the fight against obesity. PMID:26429780

  17. Clinical and audiological features of a syndrome with deterioration in speech recognition out of proportion to pure hearing loss

    Directory of Open Access Journals (Sweden)

    Abdi S

    2007-04-01

    Full Text Available Background: The objective of this study was to describe the audiologic and related characteristics of a group patient with speech perception affected out of proportion to pure tone hearing loss. A case series of patient were referred for evaluation and management to the Hearing Research Center.To describe the clinical picture of the patients with the key clinical feature of hearing loss for pure tones and reduction in speech discrimination out of proportion to the pure tone loss, having some of the criteria of auditory neuropathy (i.e. normal otoacoustic emissions, OAE, and abnormal auditory brainstem evoked potentials, ABR and lacking others (e.g. present auditory reflexes. Methods: Hearing abilities were measured by Pure Tone Audiometry (PTA and Speech Discrimination Scores (SDS, measured in all patients using a standardized list of 25 monosyllabic Farsi words at MCL in quiet. Auditory pathway integrity was measured by using Auditory Brainstem Response (ABR and Otoacoustic Emission (OAE and anatomical lesions Computed Tomography Scan (CT and Magnetic Resonance Image (MRI of brain and retrocochlea. Patient included in the series were 35 patients who have SDS disproportionably low with regard to PTA, absent ABR waves and normal OAE. Results: All patients reported the beginning of their problem around adolescence. Neither of them had anatomical lesion in imaging studies and neither of them had any finding suggestive of conductive hearing lesion. Although in most of the cases the hearing loss had been more apparent in the lower frequencies (i.e. 1000 Hz and less, a stronger correlation was found between SDS and hearing threshold at higher frequencies. These patients may not benefit from hearing aids, as the outer hair cells are functional and amplification doesn’t seem to help; though, it was tried for all. Conclusion: These patients share a pattern of sensory –neural loss with no detectable lesion. The age of onset and the gradual

  18. SURVEILLANCE OF HEARING IMPAIREMENT IN SCHOOL CHILDREN OF SLUM AREAS OF KURNOOL CITY; A.P

    Directory of Open Access Journals (Sweden)

    Shanthi

    2014-09-01

    Full Text Available : INTRODUCTION: For a child, hearing and speech are essential tools of learning, playing and developing social skills. External sound and speech is used by infants and children to learn their communicating skills by imitation. In absence of perception of this external stimulus, they cannot develop speech and language. This results in delayed speech/language development, social problems and academic difficulty. Hearing loss, in varying degrees, affects two in every 100 children under the age of 18. The most effective treatment is achieved through diagnosis, early intervention by fitting suitable hearing aids. An early start on special education programs helps maximize a child's hearing which will give the child best of chances for successful speech and language development. MATERIALS AND METHODS: The study carried out to determine the hearing level, prevalence of loss of hearing and to identify its causes in schools of slums of Kurnool, Andhra Pradesh, India where the population is homogeneous in terms of occupation, socio-economic status, literacy, food habits and health related beliefs and practices. The children were of 5yrs to 15yrs in age. Totally 1041 children constituted the sample frame and underwent clinical examination and audiometry. OBSERVATIONS: Out of 440 students examined for HL 102 were had different causes for HL. 22.5% of children belonged to the age group of 5 to 8 ears. Presence of wax10.2%, ASOM 5.68%, Glue ear 3.4%, CSOM 3.4% were among the common causes. 39.09% children showed a loss of more than 25dB. 66.74% of the causes were preventable and curable at a district level Hospital. CONCLUSION: Analysis showed that 16.3% of these children have low-frequency or high-frequency hearing loss of at least 20dB hearing level in 1 or both ears. Among children in elementary, middle, and high school, audiometric screening should include low-frequency and high-frequency testing to detect hearing loss. As more than 50% of the causes of

  19. Predictors of hearing loss in school entrants in a developing country

    Directory of Open Access Journals (Sweden)

    Olusanya Bola

    2004-07-01

    Full Text Available Background: Hearing loss is a prevalent and significant disability that impairs functional development and educational attainment of school children in developing countries. Lack of a simple and practical screening protocol often deters routine and systematic hearing screening at school entry. Aim: To identify predictors of hearing loss for a practical screening model in school-aged children. Settings and Design: Community-based, retrospective case-control study of school entrants in an inner city. Methods: Results from the audiologic and non-audiologic examination of 50 hearing impaired children in randomly selected mainstream schools were compared with those of a control group of 150 normal hearing children, matched for age and sex from the same population. The non-audiologic evaluation consisted of medical history, general physical examination, anthropometry, motor skills, intelligence and visual acuity while the audiologic assessment consisted of otoscopy, audiometry and tympanometry. Statistical Analysis: Multiple logistic regression analysis of significant variables derived from univariate analysis incorporating student t-test and chi-square. Results: Besides parental literacy (OR:0.3; 95% CI:0.16-0.68, non-audiologic variables showed no association with hearing loss. In contrast, most audiologic indicators, enlarged nasal turbinate (OR:3.3; 95% CI:0.98-11.31, debris or foreign bodies in the ear canal (OR:5.4; 95% CI:1.0-36.03, impacted cerumen (OR:6.2; 95% CI:2.12-14.33, dull tympanic membrane (OR:2.2; 95% CI:1.10-4.46, perforated ear drum (OR:24.3; 95% CI:2.93-1100.17 and otitis media with effusion OME (OR:14.2; 95% CI:6.22-33.09, were associated with hearing loss. However, only parental literacy (OR:0.3; 95% CI:0.16-0.69, impacted cerumen (OR:4.0; 95% CI:1.66-9.43 and OME (OR:11.0; 95% CI:4.74-25.62 emerged as predictors. Conclusion: Selective screening based on the identification of impacted cerumen and OME will facilitate the

  20. Hearing loss in Diabetes Mellitus

    Directory of Open Access Journals (Sweden)

    Pemmaiah K.D

    2011-10-01

    Full Text Available Background: The complex arrangement of inner ear makes it potential target of hyperglycaemic damage. A study was conducted to identify the probable occurrence of hearing loss as a complication of Diabetes Mellitus (DM.Aims and objective:· To assess the hearing loss in type 2 diabetic patients and correlate with age, duration of diabetes, HbA1C.· To correlate hearing loss with nerve conduction study.Design: Cross sectional study was done involving randomly 110 Type 2 DM patients. Data regarding their age and duration of diabetes was collected. Pure tone Audiometry and Nerve conduction study was done. HbA1c level determined. Data statistically analysed using Pearson correlation coefficient.Results: Out of 110 patients 48 patients (43.6% had bilateral Sensorineural hearing in higher frequency (2000hz, 4000hz. Among them Severe hearing loss (71 dB to 90dB was seen in 7 patients (6.36%, moderately severe hearing loss (61dB to 70dB in 16 patients (14.54% and moderate hearing loss(30dB to 60 dB in 25 patients (22.7%. Among 47 patients who had diabetes for more than 10 years, 29 patients (61.7% showed at least mild hearing loss. Duration of DM and sensorineural hearing loss at 2000Hz and 4000Hz showed statistically significant correlation (Pearson coefficient r= 0.561 and r= 0.727 respectively at 0.01 level. In other frequencies no significant correlation was found. Coefficient of determination was r2=0.31(31% and r2=0.52(52% respectively between duration of DM and hearing loss at 2000Hz and 4000Hz. The correlation of hearing loss in lower frequency with HbA1c did not show any statistical significance. However HbA1c and hearing loss in higher frequency (2000 hz and 4000hz showed statistically significant correlation (Pearson coefficient r= 0.282 and r= 0.385 respectively. The correlation of hearing loss with Nerve conduction study did not show any statistical significance.

  1. 突发性耳聋预后的相关因素探讨%Analysis of relevant factors on prognosis of idiopathic sudden sensorineural hearing loss

    Institute of Scientific and Technical Information of China (English)

    赵璟; 桂晓钟

    2015-01-01

    目的:探讨影响突发性耳聋预后的相关因素。方法286例突发性耳聋患者治疗前和治疗后进行纯音听阈测试对比,探讨影响预后的相关因素。结果突发性耳聋预后与患者的发病时间、年龄大小、听力损失情况、有无眩晕、高血压、糖尿病及焦虑情绪有关,而与性别无关。结论突发性耳聋患者发病时间越长、年龄越大、听力损失越重,治疗预后越差。听力图中,高频型和水平型比中频型和低频型预后差,全聋型最差。不伴眩晕、无高血压高血脂糖尿病、无焦虑情绪的突发性耳聋患者疗效明显好于伴眩晕、有高血压高血脂糖尿病、有焦虑情绪患者。%Objective To evaluate the factors that may affect the prognosis of hearing recovery in cases of idiopathic sudden sensori-neural hearing loss( ISSHL) . Methods Through retrospective analysis of the 286 cases of ISSHL that were diagnosed and treated in our de-partment, and comparison between changes in pure tone threshold audiometry before and after treatment, the correlation factors of prognosis of ISSHL were explored. Results The prognosis was correlated with patients' morbidity time, age, degree of hearing loss, hearing loss curve type, disease of high blood pressure, dizziness and diabetes, and anxiety, and no correlation with gender was found. Conclusion The youn-ger the patients with ISSHL were, and the shorter the time of onset was, the better the prognosis would be. The efficacy of ISSHL without ver-tigo, underlying diseases and anxiety was significantly better than that with vertigo, underlying diseases and anxiety. Among various types of hearing loss curve, the prognoses of intermediate-frequency type and low-frequency type were better than those of high-frequency type and horizontal type, and the deaf type came the worst.

  2. Otoacoustic emissions and auditory brainstem responses in patients with sudden sensorineural hearing loss. Do otoacoustic emissions have prognostic value?

    Directory of Open Access Journals (Sweden)

    Manoochehr Amiridavan

    2006-11-01

    prognostic factor in SSNHL, hence we recommend performing TEOAE in every patient with SSNHL. KEY WORDS: Sudden sensorineural hearing loss, pure tone audiometry, otoacoustic emissions, overall correlation, signal to noise ratio (S/N ratio, auditory brainstem responses, Interpeak latencies, retrocochlear lesion.

  3. " Evaluation Of Some Epidemiologic Parameters, Risk Factors, Clinical And Audiological Characteristics Of 48 Patients With Sudden Sensorineural Hearing Loss "

    Directory of Open Access Journals (Sweden)

    M. Amiridavan

    2006-05-01

    Full Text Available Background and Aim: Sudden Sensorineural Hearing Loss (SSNHL is an emergency situation, and is one of the most controversial subjects in domain of otolaryngology. In this article, we have analyzed some Epidemiologic Characteristics, clinical features, audiological Characteristics, and other findings in routine serological tests and MRI of 48 cases with SSNHL ,who came or were referred to us in the past 2 years. Study design: Cross sectional. Materials and Methods: In 48 patients with chief complaint of SSNHL, from June 2003 to Feb. 2005, who were admitted in clinic of otolaryngology- in Kashani Hospital -Isfahan- Iran, physical examination and history taking, audiological evaluation, MRI,and serological tests were performed in a similar way , and data were analyzed by SPSS software. Results: From 48 cases(M:28 ,F:20 with mean age of 40.9(+/-15.9 years, left ear was involved in 26 cases (54.1% ,and right ear in 19 cases (39.5% ,and in 3 cases (6.3%,both sides were involved. The severity of hearing loss was “subjectively” HIGH in 78% of patients, and the mean threshold of hearing had been calculated as 69 dB. The most common pattern in pure tone audiometry curves ,was ‘flat pattern’(75% ,and then ,’down sloping pattern’(16%.The most adjunctive clinical symptom was “tinnitus”(in 78.7%, and 40% of patients had “true vertigo”. 44.4% of our patients had some evidences of upper respiratory tract infections (URIs during recent 2 weeks. Positive family history, smoking, alcohol intake ,oral contraceptive and ototoxic drugs consumption were uncommon. 24% of cases (11 of 39 had increased ESR, and 100% of 39 patients had negative VDRL. Diabetes mellitus was the most common underlying disease (in 6 cases.From 20 patients ,who were succeeded to perform brain and ear MRI, 2 cases had tumor in internal auditory canal and cerebellopontine angle. Conclusion: SSNHL has some limitations in being studied histopathologically or in the form of

  4. Analysis of prognostic factors for sudden sensorineural hearing loss with the treatment of medication%突发性耳聋的预后相关因素分析

    Institute of Scientific and Technical Information of China (English)

    陈菲菲; 胡海文; 李靖; 李文波

    2016-01-01

    Objective To study the efficacy and prognostic factors for sudden sensorineural hearing loss with the treat-ment of mouse nerve growth factor and other medication. Methods 134 sudden sensorineural hearing loss ears were reviewed retrospectively in our department. They were treated by mouse nerve growth factor, lipo-prostaglandin E1, ginaton and methyl-prednisolone, the therapeutic effect were evaluated by pure tone audiometry. Results The total effective rate was 82.1%. Age, the time of diagnosis and therapy, the type of audiogram and degree of hearing loss would be connected with the prognosis (P<0.05 or P<0.01). Conclusion The curative effect of patients whose age is under 50 have short duration and mild degree of deafness is better than those whose age is over 50, have long duration and severe degree of deafness. The types in low tone frequencies show the best curative effect, followed by the types in all frequencies, the types in high tone frequencies and the to-tal deafness have poor curative effect.%目的:研究鼠神经生长因子等药物治疗突发性耳聋的疗效及其预后影响因素。方法回顾性分析我科收住的134耳突发性耳聋患者,给予鼠神经生长因子、前列腺素E1脂微球载体、银杏叶提取物、甲强龙静脉输液治疗,纯音听阈检查判定疗效。结果药物治疗的总有效率为82.1%。年龄、发病至就诊时间、听力曲线类型及听阈损失程度与疾病的预后相关(P<0.05或P<0.01)。结论年龄<50岁、病程短、听力损失程度轻的患者比年龄≥50岁、病程长、听力损失程度重的患者疗效好。低频听力下降型治疗效果最好,全频听力下降型次之,高频听力下降型和全聋治疗效果差。

  5. The Clinical Study of Hyperbaric Oxygen in the Treatment of Sudden Deafness%高压氧治疗突发性耳聋的临床效果研究

    Institute of Scientific and Technical Information of China (English)

    罗红灿; 高文达; 黄玉芳

    2014-01-01

    Objective:To study the clinical effect of hyperbaric oxygen therapy for sudden deafness.Method:80 cases who was got sudden hearing loss and hospitalization in our hospital were selected and randomly divided into two groups.The control group was treated with conventional neurotrophic drugs,vitamins, hormones and other treatment.The experimental group with hyperbaric oxygen therapy on the basis of the control group.They were treated two courses,each course of 10 days.The high-frequency pure tone audiometry hearing evaluation before and after treatment was used and the data was collected for statistical analysis. Result:Compare with the control group,higher cure rate in the experimental group,the difference was statistically significant(P<0.01).Conclusion:Hyperbaric oxygen therapy can significantly improve the treatment of sudden deafness,which with higher cure rates and better treatment.%目的:评价高压氧治疗突发性耳聋的疗效。方法:将80例突发性耳聋患者随机分为两组,每组40例。对照组常规使用营养神经药物、维生素、激素等治疗。试验组在对照组的基础上配合高压氧治疗。两组均治疗两个疗程,每个疗程10 d。运用高频纯音测听评价两组治疗前后听力变化结果,收集数据进行统计学分析。结果:与对照组相比,试验组治愈率较高,两组比较差异有统计学意义(P<0.01)。结论:高压氧治疗可明显提高突发性耳聋治疗效果。

  6. 探讨早期护理干预对ICU患者下肢深静脉血栓形成的预防效果

    Institute of Scientific and Technical Information of China (English)

    包惠荣

    2014-01-01

    Objective: to analyze the clinical manifestations of patients with tinnitus and hearing change, wil be a variety of tinnitus masking test and individualized treatment. Methods: 86 patients with subjective tinnitus, do pure tone audiometry, acoustic emission, tinnitus detection and masking test, the test results of the clinical manifestations of the disease and al kinds of tinnitus masking analysis. Results: the incidence of tinnitus male 48%, female 52%, appear on the left of tinnitus is most common, accounting for 42%, folowed by bilateral tinnitus tinnitus in 30%, right side for a minimum of 28%, the city population and mental workers accounted for 77% of the total cases and 68% chronic patients, in the course of tinnitus patients more than 1 years accounted for 46%, the high and low frequency tinnitus masking therapy the patient better, effective rate were 71.6% and 71.8%, while the intermediate frequency tinnitus masking therapy showed only 51.7% efficiency. Conclusion: Patients with tinnitus, tinnitus masking test various features and frequency of great relevance, Feldman curve type has great value in clinical diagnosis, treatment of tinnitus, are important indexes for forecasting of tinnitus masking is effective and individualized treatment of tinnitus.%目的:对ICU患者下肢深静脉血栓(deep venous thrombosis,DVT)采取早期护理干预所起到的预防效果的探讨。方法:随机抽取120例ICU患者,将其分为两组,其中一组采取系统的早期护理干预措施,命名为实验组,另一组则采取常规的ICU护理,命名为对照组。观察两组患者的下肢肿胀率和DVT的发生率,并进行对比。结果:DVT发生率和下肢肿胀率实验组患者都比对照组患者要低,其差异具有统计学意义(P<0.05)。结论:系统的早期护理干预措施对减少和预防ICU患者DVT发生率有显著效果,并且可以有效的提高下肢的静脉血流速度。

  7. Timpanoplastias: resultados cirúrgicos e análise dos fatores que podem interferir no seu sucesso Tympanoplasty: surgical results and a comparison of the factors that may interfere in their success

    Directory of Open Access Journals (Sweden)

    Ilana Fukuchi

    2006-04-01

    Full Text Available A otite média crônica continua muito prevalente em nosso meio e permanece um desafio aos otorrinolaringologistas quanto ao seu tratamento. OBJETIVO: Demonstrar os fatores que podem interferir no sucesso das timpanoplastias e os resultados cirúrgicos obtidos durante o ano de 2002. FORMA DE ESTUDO: Clínico prospectivo. CASUÍSTICA E MÉTODOS: Incluiu-se 37 pacientes portadores de otite média crônica não-colesteatomatosa (OMCNC submetidos a timpanoplastia (in-lay ou underlay, com enxerto homólogo. Os pacientes passaram por protocolo de avaliação pré e pós-operatória que consistiu em anamnese, exame físico específico, nasofibroscopia e audiometria. RESULTADO: Fatores como idade, localização e tamanho da perfuração; estado da mucosa da orelha média; número de infecções/ano; tabagismo; história familiar de otorréia e disacusia; história pessoal de cirurgia otológica prévia; renda familiar mensal; enxerto, técnica e via de acesso utilizada; não apresentaram relevância estatística quanto ao fechamento da perfuração. A taxa de sucesso foi de 65% para o fechamento da membrana timpânica e 100% para o ganho audiométrico. CONCLUSÃO: As timpanoplastias devem ser consideradas no tratamento das OMCNC.Chronic otitis media has a high prevalence on the population and their treatment continuous to be a challenge for the otorhinolaryngologists. AIM: To demonstrate the factors that could interfere in the tympanoplasty success and the surgical results during 2002. STUDY DESIGN: Clinical prospective. MATERIAL AND METHOD: were included 37 patients with chronic otitis media non cholesteatoma (COMNC undergo to tympanoplasty (in lay or underlay, with homologous graft. All the patients were submitted to a survey pre and postoperative include clinical, physical examinations, flexible nasal endoscope and audiometry. RESULTS: The age, the dimension and localization of the tympanic membrane perforation; the condition of middle ear mucosa

  8. 平衡针刺配合高压氧治疗突发性耳聋疗效观察%Observations on the Efficacy of Balancing Acupuncture plus Hyperbaric Oxygen in Treating Sudden Deafness

    Institute of Scientific and Technical Information of China (English)

    韩扬

    2011-01-01

    目的 观察平衡针刺配合高压氧治疗突发性聋的临床疗效,探索突发性聋综合治疗新模式.方法 将219例突发性聋患者随机分为治疗组67例和对照组152例.治疗组采用平衡针刺配合高压氧治疗,对照组采用单纯高压氧治疗.两组患者均于治疗前后接受电测听检查,治疗2个疗程后判定疗效.结果 治疗组总有效率为86.6%,对照组为69.7%,两组比较差异具有统计学意义(P<0.05),且带针感进舱能强化平衡针刺的针感及增强高压氧疗效.结论 平衡针刺配合高压氧治疗突发性聋是一种疗效较好的组合治疗模式.%Objective To investigate the clinical efficacy of balancing acupuncture plus hyperbaric oxygen in treating sudden deafness and seek after a new mode of composite treatment for it. Methods Two hundred and nineteen patients with sudden deafness were randomly allocated to a treatment group of 67 cases and a control group of 152 cases. The treatment group received balancing acupuncture plus hyperbaric oxygen and the control group, hyperbaric oxygen alone. Electric response audiometry was performed in both groups of patients before and after treatment. The therapeutic effects were evaluated after two courses of treatment Results The total efficacy rate was 86.6% in the treatment group and 69.7% in the control group. There was a statistically significant difference between the two groups (P<0.05). Entering a hyperbaric oxygen chamber with a needing sensation strengthened balancing acupuncture-produced needing sensation and improved the therapeutic effect of hyperbaric oxygen. Conclusion Balancing acupuncture plus hyperbaric oxygen is a combined mode of treating sudden deafness with a better effect.

  9. Relationship between Occupational Noise Exposure and Hearing Loss in Enterprises Directly under Huizhou City%惠州市直属企业职业噪声暴露与听力损失的关系

    Institute of Scientific and Technical Information of China (English)

    谢瑞玲; 严琦瑞; 邬贤忠; 周振英

    2011-01-01

    目的 探讨噪声暴露对作业场所工人听力损失的影响.方法 采用横断面调查,对惠州市直属五金、印刷、食品、电子等行业8个工厂进行噪声作业场所调查,并对噪声作业工人进行职业卫生调查及纯音听力测定.另选择相应办公室不接触噪声的职工164人作为对照组.结果 听力损失率随着接触噪声的工龄增加而增高,随着接触噪声强度的增加,呈现出明显的时间剂量-反应关系.听力损失率接触毒物和噪声组明显高于噪声组(P<0.05).结论 噪声强度、接噪工龄是影响作业工人听力的主要因素,毒物与噪声联合作用加重听力损害.%[Objective]To study the effect of noise exposure on hearing loss in workers of the work places.[Methods]Using crosssectional study, the noise exposure of the work places was investigated in 8 factories ( including hardware industry, printing industry,food industry and electronic industry) directly under Huizhou city, and occupational health investigation and pure tone audiometry were conducted in workers exposed to noise.164 office employees who did not have contact with noise were chosen as the control group.[Results]The hearing loss rate increased with the working age exposed to noise and noise intensity, which showed an obvious time-dose-response relationship.The hearing loss rate of the noise and toxicant exposure group was significantly higher than that of the noise exposure group ( P < 0.05 ).[Conclusion]The noise intensity and working age exposed to noise are the main factors that influence workers'hearing, and toxicant combined with noise could aggravate the hearing loss.

  10. Relationship between Occupational Noise Exposure and Hearing Loss of a Automobile Manufacturing Enterprise in Guangzhou%某汽车企业工人噪声暴露与听力损失关系研究

    Institute of Scientific and Technical Information of China (English)

    罗晓丽; 黄丽丽; 顾靖; 王霄

    2013-01-01

    目的 探讨噪声暴露对工人听力损失的影响.方法 采用横断面调查,对广州市某大型汽车制造企业的噪声暴露工人进行作业场所噪声测定以及工人纯音听力测定.结果 作业场所现场噪声合格率为49.25%;噪声强度在80 dB(A)及以上时,听力损失检出率随着接触噪声工龄(工作年限)的增加而增加,在80~、85~、90~dB(A)3个噪声强度组,随着接噪工龄的增加听力损失检出率呈明显的上升趋势(均有P <0.05);随着接触噪声强度的增加听力损失检出率呈明显的上升趋势(x2=17.571,P<0.01;x2=15.345,P<0.01;x2=59.805,P<0.01).结论 接触噪声时间的延长以及高强度的噪声暴露,会加大听力损伤发生的危险性.%Objective To study the effect of noise exposure on hearing loss in workers of the work places. Methods Using cross sectional study,and occupational health investigation and pure tone audiometry were conducted in workers exposed to noise of a automobile manufacturing enterprise in Guangzhou. Results Workplace noise qualified rate was 49.25% ; noise intensity in 8OdB( A) and above, along with exposure to noise hearing loss rate increased in length, 80~,85~,9O~ dB(A)3 noise intensity in the group, along with noise exposed length increased hearing loss detection rate was obviously increased (both P <0. 05) ; with exposure to noise the intensity of the hearing loss increase detection rate showed a rising trend(χ2 = 17. 571 ,P<0. 01 ;χ2 = 15.345,P<0.01;χ2 =59.805,P<0.01). Conclusion The prolonged noise exposure time and high intensity noise exposure may increase the risk of hearing damage.

  11. Health problems in Turner syndrome

    Directory of Open Access Journals (Sweden)

    Mehdi Salek

    2007-06-01

    Full Text Available

    BACKGROUND: Although cardiovascular malformations are well-recognized congenital anomalies in Turner syndrome (TS, other clinical features and a great variety of dysmorphic signs can also be observed. There are few studies about different medical problems in pre-selected groups of patients with Turner syndrome. Therefore, in this study we aimed to assess the prevalence of some medical problems in Turner syndrome.

    METHODS: This was a case series from April to October 2005. We studied 40 patients with TS who attended the Endocrine and Metabolic Research Center. Audiometry, echocardiography, ultrasonography of kidneys and urinary tracts, thyroid function tests, fasting blood sugar, lipid profile as well as anthropometric and blood pressure measurements were assessed in all patients and collected data were analyzed by SPSS version 10.

    RESULTS: Of the 40 subjects 62.5% (n = 25 had cardiac anomalies, 20% (n = 8 had high blood pressure, about 60% (n = 24 suffered from hearing loss and 15% (n = 6 suffered from duplication or dilatation of urinary collecting system. The relative frequency of hypothyroidism, hypercholesterolemia and hypertriglyceridemia was 25% (n = 10, 30% (n = 12 and 32.5% (n = 13, respectively.

    CONCLUSIONS: Medical problems are common in TS patients and the routine screening of their health conditions should be performed at the time of diagnosis and at

  12. High frequency hearing loss in students used to ear phone music: A randomized trial of 1,000 students

    Directory of Open Access Journals (Sweden)

    Kiran Naik

    2014-01-01

    Full Text Available Introduction: Hearing loss is often thought of as a natural phenomenon of the aging process. However, studies are beginning to show that hearing loss is becoming increasingly more common amongst younger people. Approximately, 20-30 million people between the ages of 20 and 69 years have high frequency hearing loss due to chronic exposure to loud noise above 90 decibels (dB thanks to the advent of MP3 players and cellphones, according to the National Institute of Deafness. [1] If you are one of the millions who enjoys listening to a MP3 player or cellphone music to allay boredom or to pass time, then you might be at risk for hearing loss from headphones or earphones. Studies have shown that most MP3 players today can produce sounds up to 120 dB and that long-term cell phone use to hear music may cause damage in the inner ear. In today′s society, these devices are indispensible and are part of day-to-day life. Hence, this study was conducted to create awareness regarding prolonged exposure to loud noise either through an MP3 player or cell phone music. Materials and Methods: A total of 1,000 students from Shri Adichunchanagiri Institute of Medical Sciences and Adichunchanagiri Institute of Technology and Adichunchanagiri Pre-university College were chosen as part of the study. They were divided into four groups, Group A comprising 250 students who had a habit of listening to music through ear phones at least 2 h a day, Group B comprising 250 students who are used to earphone music less than 1 h per day and Group C comprising of 250 students who very occasionally use ear phones, but hear music mostly through speakers and Group D comprising of 250 students who are usually unaware of ear phone music and are not used to it. All the groups were subjected to pure tone audiometry and the audiogram obtained. Results and Observations: The study revealed high frequency hearing loss in 8% of Group A and 2% in Group B; whereas, in there were no hearing

  13. Auditory Neuropathy in Two Patients with Generalized Neuropathic Disorder: A Case Report

    Directory of Open Access Journals (Sweden)

    P Ahmadi

    2008-06-01

    Full Text Available Background: Although it is not a new disorder, in recent times we have attained a greater understanding of auditory neuropathy (AN. In this type of hearing impairment, cochlear hair cells function but AN victims suffer from disordered neural transmission in the auditory pathway. The auditory neuropathy result profile often occurs as a part of that of the generalized neuropathic disorders, indicated in approximately 30-40% of all reported auditory neuropathy/auditory dyssynchrony (AN/AD cases, with approximately 80% of patients reporting symptom onset over the age of 15 years. In the present report, the results of audiologic tests (behavioral, physiologic and evoked potentials on two young patients with generalized neuropathy are discussed.Case report: Two brothers, 26 and 17 years old, presented with speech perception weakness and movement difficulties that started at 12 years of age and progressed as time passed. In their last examination, there was a moderate to severe flat audiogram in the older patient and mild low tone loss in the younger one. The major difficulty of the patients was severe speech perception impairment that was not compatible with their hearing thresholds. Paresthesia, sural muscle contraction and pain, and balance disorder were the first symptoms of the older brother. Now he can only move with crutches and his finger muscle tonicity has decreased remarkably, with marked fatigue after a short period of walking. Increasing movement difficulties were noted in his last visit. Visual neuropathy had been reported in repeated visual system examinations for the older brother, with similar, albeit less severe, symptoms in the younger brother.In the present study of these patients, behavioral investigations included pure-tone audiometry and speech discrimination scoring. Physiologic studies consisted Transient Evoked Otoacoustic Emission (TEOAE and acoustic reflexes. Electrophysiologic auditory tests were also performed to determine

  14. Resultados a longo prazo da cirurgia da otosclerose Long term outcome of otosclerosis surgery

    Directory of Open Access Journals (Sweden)

    Maria Teresa Bernardo

    2012-08-01

    Full Text Available O tratamento da otosclerose é preferencialmente cirúrgico e consiste na estapedotomia/estapedectomia, cujos bons resultados imediatos estão bem documentados. OBJETIVOS: Avaliar os resultados audiométricos da cirurgia da otosclerose a longo prazo. Desenho: Estudo retrospectivo. MATERIAL E MÉTODOS: Incluíram-se os doentes submetidos à estapedotomia/estapedectomia parcial no nosso Serviço e melhoria da audição pós-operatória comprovada. Convocaram-se os doentes para reavaliação audiométrica e compareceram 41 (47 ouvidos. Compararam-se os valores obtidos com os prévios à cirurgia e do pós-operatório imediato. RESULTADOS: A mediana do seguimento tardio foi de 11 anos. Nesta data, 49% dos doentes tinham audição normal ou um grau de hipoacusia ligeira. Os valores médios dos PTA (Pure Tone Average aéreo e ósseo, pré, pós e pós-operatório tardio foram 64,4 e 27,0 dB, 35,6 e 22,3 dB e 44,1 e 29,5 dB, respectivamente. CONCLUSÃO: A cirurgia da otosclerose tem bons resultados a longo prazo porque, apesar do agravamento dos limiares, o grau de hipoacusia, 10 anos depois, é inferior ao pré-operatório.The treatment of otosclerosis is eminently surgical. Good immediate results have been well documented when stapedotomy or stapedectomy are chosen. OBJECTIVES: This study aims to assess long term audiometric performance after otosclerosis surgery. MATERIALS AND METHODS: this retrospective study enrolled stapedotomy and partial stapedectomy patients seen at our service with proven hearing improvement after surgery. Forty-one patients (47 ears accepted the invitation to be reassessed. Audiometry results before and immediately after surgery were compared. RESULTS: the median late follow-up was 11 years. To this date, 49% of the patients had normal hearing or mild dysacusis. Preoperative, postoperative, and late postoperative bone and air pure tone averages were 64.4 and 27.0 dB, 35.6 and 22.3 dB, and 44.1 and 29.5 dB respectively

  15. Clinical Features and Prognosis of Sudden Sensorineural Hearing Loss Secondary to Intralabyrinthine Hemorrhage

    Science.gov (United States)

    Lee, Jae Woo; Park, Yoon Ah; Park, Sang Man; Kong, Tae Hoon; Park, Sang Yoo; Bong, Jeong Pyo; Park, Dong-Joon

    2016-01-01

    Background and Objectives A number of etiologies of idiopathic sudden sensorineural hearing loss (ISSNHL) have been proposed, including viral infection, vascular disturbance, and immune-mediated mechanisms. Intralabyrinthine hemorrhage (ILH) as a cause of SSNHL is extremely rare, and there have been no studies defining the characteristics of hearing impairment and prognosis in patients with ISSNHL due to ILH. This study aimed to investigate the difference in impaired hearing patterns and prognosis for hearing recovery between patients with ISSNHL due to ILH confirmed by magnetic resonance imaging (MRI) and sex- and age-matched patients with ISSNHL due to causes other than ILH. Subjects and Methods We compared the results of audiometry and MRI in 12 patients who had ILH on MRI (hemorrhage group) and in 23 sex- and age-matched controls without abnormal findings related to their hearing loss on MRI (non-hemorrhage group). Initial hearing impairment, progression, and recovery of hearing loss were compared between the two groups. Results A majority of patients (92%) in the hemorrhage group complained of dizziness. Initial hearing impairment was more frequent in the hemorrhage group than in the non-hemorrhage group (94.09±35.9 vs. 66.66±30.1, p-value=0.036). The final recovery threshold in the hemorrhage group was worse (78.19±46.26 vs. 37.17±31.96, p-value=0.014) than that in the non-hemorrhage group. In the hemorrhage group, hearing recovery seemed to occur less often at high frequencies (2,000, 4,000, and 8,000 Hz) than at low frequencies (250, 500, and 1,000 Hz). Conclusions The presence of ILH was associated with poor hearing prognosis and the occurrence of vertigo. The abrupt onset of hearing loss associated with vertigo and the presence of hyperresonance on fat-suppressed T1-weighted MRI images of labyrinthic fluid strongly suggests acute intralabyrinthine hemorrhage, and is predictive of considerable hearing impairment and poor prognosis. PMID:27144231

  16. Análise da correlação entre limiares auditivos, questionários validados e medidas psicoacústicas em pacientes com zumbido Correlation analysis of hearing thresholds, validated questionnaires and psychoacoustic measurements in tinnitus patients

    Directory of Open Access Journals (Sweden)

    Ricardo Rodrigues Figueiredo

    2010-08-01

    Full Text Available Uma das principais dificuldades nos estudos clínicos sobre zumbido reside na falta de consenso sobre os métodos de mensuração. OBJETIVO: Avaliar a correlação entre os limiares audiométricos, pitch matching (PM, minimum masking level (MML, Tinnitus Handicap Inventory (THI e o Inventário de Depressão de Beck (BDI em pacientes com zumbido. MODELO DE ESTUDO: Prospectivo, coorte transversal. MATERIAL E MÉTODO: 48 pacientes com zumbido como queixa principal foram submetidos aos testes audiométricos e questionários acima descritos. Os dados foram comparados estatisticamente para as correlações entre os métodos. RESULTADOS: Não houve correlação estatisticamente significativa entre o THI e MML, tanto em pacientes com BDI acima e abaixo de 14 pontos, bem como entre a frequência de pior limiar auditivo e o Pitch matching e entre a frequência de "cut-off" e o PM nos pacientes com curvas descendentes em rampa. CONCLUSÕES: Não existe correlação estatisticamente significativa entre as medidas psicoacústicas do zumbido, os limiares audiométricos e os questionários de avaliação. O zumbido é um sintoma muito complexo e avaliações isoladas pelos métodos acima não são satisfatórias.One of the most criticized points in tinnitus clinical studies arise from the lack of consensus about measurement methods. AIM: To evaluate the correlation between audiometric thresholds, pitch matching (PM, minimum masking level (MML, Tinnitus Handicap Inventory (THI and the Beck Depression Inventory (BDI in tinnitus patients. STUDY DESIGN: Prospective, cross-sectional. MATERIALS AND METHODS: Subjects were submitted to tonal audiometry, PM and MML for tinnitus. They also filled out the THI and BDI. Data was statistically compared for correlation purposes between audiometric thresholds, psycho-acoustic measures and questionnaires. RESULTS: There was no statistically significant correlation between THI and MML, both in patients with BDI scores under and

  17. A school-aged child with delayed reading skills.

    Science.gov (United States)

    Stein, M T; Zentall, S; Shaywitz, S E; Shaywitz, B A

    1999-10-01

    During a health supervision visit, the father of a 7.5-year-old African American second-grader asked about his son's progress in reading. He was concerned when, at a recent teacher-parent conference to review Darren's progress, the teacher remarked that Darren was not keeping up with reading skills compared with others in his class. She said that he had difficulty sounding out some words correctly. In addition, he could not recall words he had read the day before. The teacher commented that Darren was a gregarious, friendly child with better-than-average verbal communication skills. His achievement at math was age-appropriate; spelling, however, was difficult for Darren, with many deleted letters and reversals of written letters. A focused history did not reveal any risk factors for a learning problem in the prenatal or perinatal periods. Early motor, language, and social milestones were achieved on time. Darren had not experienced any head injury, loss of consciousness, or chronic medical illness. He had several friends, and his father denied any behavioral problems at home or at school. His teacher completed a DSM-IV-specific behavioral survey for attention-deficit/hyperactivity disorder (ADHD). It did not show any evidence of ADHD. Darren's father completed 1 year of college and is currently the manager of a neighborhood convenience store. His mother had a high school education; she recalled that she found it difficult to complete assignments that required reading or writing. She is employed as a waitress. Darren does not have any siblings. The pediatrician performed a complete physical examination, the results of which were normal, including visual acuity, audiometry, and a neurological examination. It was noted that Darren seemed to pause several times in response to questions or commands. On two occasions, during finger-nose testing and a request to assess tandem gait, directions required repetition. Overall, he was pleasant and seemed to enjoy the visit. His

  18. A PROSPECTIVE STUDY OF PREVALENCE OF VARIOUS CAUSES IN PATIENTS PRESENTING WITH CONDUCTIVE TYPE OF HEARING IMPAIRMENT

    Directory of Open Access Journals (Sweden)

    Naga Manohar

    2014-12-01

    Full Text Available INTRODUCTION: Deafness is the most common presenting complaint in patient presenting to ENT OPD with complaints of ear. Deafness is a potentially morbid condition causing significant problem to the patient in their day-to-day life and livelihood. AIM: This study was undertaken to know the incidence of various diseases presenting as deafness, so that, epidemiological data can be secured and it is helpful to channel the resources and treatment modalities in the right direction. SETTINGS AND DESIGN: The study was carried out in a Teritiary hospital, in Vizianagaram, Andhra Pradesh. It is a prospective study, undertaken to know the prevalence. MATERIALS AND METHODS: Patients presenting to ENT OPD from Sept 2012 to Sept 2014, with a chief complaint of deafness were included in this study. All the Patients were subjected to thorough clinical examination, necessary investigations, viz. pure tone audiometry, Examination under microscopy and wet mopping by way of syringing. RESULTS: Out of the 400 patients included for this study, 272 patients (68% were found to be suffering from Conductive hearing loss; whereas 138 patients (34.5% were found to be suffering from Sensorineural hearing loss. Conductive hearing loss was most common in 20-30 age group in males and 30-40 age group in females; that too middle ear disease were more common than external ear; i.e. 175 patients out of 262 (66.7% had a disease in the middle ear, 87 patients (33.2% had a external ear pathology. External ear disease was earwax or keratosis obturans, (55.1%, the rest contributed by Otomycosis (34.4% and malformed ears (10.3%. Diseases of middle ear were distributed as Acute otitis media (17.7%, Chronic otitis media (28%, Otitis media with effusion (50.2%, Fixation pathology (15.4%, Other causes (5.1%. CONCLUSION: Conductive hearing loss was most common in the middle age groups, between 20-40 yrs of age, females, and more commonly due to a pathology in the middle ear, Otitis media

  19. The Study of Environment on Aboriginal Resilience and Child Health (SEARCH: study protocol

    Directory of Open Access Journals (Sweden)

    2010-05-01

    Full Text Available Abstract Background Aboriginal Australians have a life expectancy more than ten years less than that of non-Aboriginal Australians, reflecting their disproportionate burden of both communicable and non-communicable disease throughout the lifespan. Little is known about the health and health trajectories of Aboriginal children and, although the majority of Aboriginal people live in urban areas, data are particularly sparse in relation to children living in urban areas. Methods/Design The Study of Environment on Aboriginal Resilience and Child Health (SEARCH is a cohort study of Aboriginal children aged 0-17 years, from urban and large regional centers in New South Wales, Australia. SEARCH focuses on Aboriginal community identified health priorities of: injury; otitis media; vaccine-preventable conditions; mental health problems; developmental delay; obesity; and risk factors for chronic disease. Parents/caregivers and their children are invited to participate in SEARCH at the time of presentation to one of the four participating Aboriginal Community Controlled Health Organisations at Mount Druitt, Campbelltown, Wagga Wagga and Newcastle. Questionnaire data are obtained from parents/caregivers and children, along with signed permission for follow-up through repeat data collection and data linkage. All children have their height, weight, waist circumference and blood pressure measured and complete audiometry, otoscopy/pneumatic otoscopy and tympanometry. Children aged 1-7 years have speech and language assessed and their parents/caregivers complete the Parental Evaluation of Developmental Status. The Study aims to recruit 1700 children by the end of 2010 and to secure resources for long term follow up. From November 2008 to March 2010, 1010 children had joined the study. From those 446 children with complete data entry, participating children ranged in age from 2 weeks to 17 years old, with 144 aged 0-3, 147 aged 4-7, 75 aged 8-10 and 79 aged 11

  20. A school-aged child with delayed reading skills.

    Science.gov (United States)

    Stein, M T; Zentall, S; Shaywitz, S E; Shaywitz, B A

    1999-10-01

    During a health supervision visit, the father of a 7.5-year-old African American second-grader asked about his son's progress in reading. He was concerned when, at a recent teacher-parent conference to review Darren's progress, the teacher remarked that Darren was not keeping up with reading skills compared with others in his class. She said that he had difficulty sounding out some words correctly. In addition, he could not recall words he had read the day before. The teacher commented that Darren was a gregarious, friendly child with better-than-average verbal communication skills. His achievement at math was age-appropriate; spelling, however, was difficult for Darren, with many deleted letters and reversals of written letters. A focused history did not reveal any risk factors for a learning problem in the prenatal or perinatal periods. Early motor, language, and social milestones were achieved on time. Darren had not experienced any head injury, loss of consciousness, or chronic medical illness. He had several friends, and his father denied any behavioral problems at home or at school. His teacher completed a DSM-IV-specific behavioral survey for attention-deficit/hyperactivity disorder (ADHD). It did not show any evidence of ADHD. Darren's father completed 1 year of college and is currently the manager of a neighborhood convenience store. His mother had a high school education; she recalled that she found it difficult to complete assignments that required reading or writing. She is employed as a waitress. Darren does not have any siblings. The pediatrician performed a complete physical examination, the results of which were normal, including visual acuity, audiometry, and a neurological examination. It was noted that Darren seemed to pause several times in response to questions or commands. On two occasions, during finger-nose testing and a request to assess tandem gait, directions required repetition. Overall, he was pleasant and seemed to enjoy the visit. His

  1. Prevalence of olfactory and other developmental anomalies in patients with central hypogonadotropic hypogonadism

    Directory of Open Access Journals (Sweden)

    Elisa eDella Valle

    2013-06-01

    Full Text Available Introduction: Hypogonadotropic hypogonadism (HH is a heterogenous disease caused by mutations in several genes. Based on the presence of hyposmia/anosmia it is distinguished into Kallmann syndrome and isolated HH. The prevalence of other developmental anomalies is not well established. Methods: We studied 36 patients with HH (31 males, 5 females, mean age 41.5, 9 with familial and 27 with sporadic HH (33 congenital, 3 adult-onset, by physical examination, smell test (BSIT Sensonics, audiometry, renal ultrasound, and magnetic resonance imaging of the olfactory structures. Results: Based on the smell test, patients were classified as normosmic (n=21, 58.3% and hypo/anosmic (n=15, 41.6%. Hypoplasy/agenesis of olfactory bulbs was found in 40% of patients (10/25, (75% hypo/anosmic, 7.6% normosmic, p<0.01, Fisher’s-test. Remarkably, olfactory structures were normal in 2 anosmic patients, while 1 normosmic patient presented a monolateral hypoplastic bulb. Fourteen of 33 patients (42.4% presented neurosensorial hearing loss of various degrees (28.5% hypo/anosmic, 52.6% normosmic, p=NS. Renal ultrasound revealed 27.7% of cases with renal anomalies (26.6% hypo/anosmic, 28.5% normosmic, p=NS. At least one midline defects was found in 50% of the patients (53.3% hypo/anosmic, 47.6% normosmic, p=NS, including abnormal palate, dental anomalies, pectus excavatum, bimanual synkinesis, iris coloboma and absent nasal cartilage. Anamnestically 4/31 patients reported cryptorchidism (25% hypo/anosmic, 5.2% normosmic, p=NS. Conclusions: Hypo-anosmia is significantly related to anatomical anomalies of the olfactory bulbs/tracts but the prevalence of other developmental anomalies, especially midline defects and neurosensorial hearing loss, is high both in HH and Kallmann syndrome and independent of the presence of anosmia/hyposmia. From the clinical standpoint Kallmann syndrome and normosmic HH should be considered as the same complex, developmental disease.

  2. "Assessment of spontaneous healing rate of traumatic tympanic membrane perforations and three months follow up; Yazd Forensic Medicine"

    Directory of Open Access Journals (Sweden)

    Mirvakili S.A

    2007-06-01

    Full Text Available Background: Traumatic tympanic membrane (TM perforation is a common injury of the ear with a high rate of spontaneous healing if the patients strictly adhere to water precautions. The purpose of this study was to determine the factors involved in the spontaneous healing of traumatic TM perforations in order to ascertain the best treatment plan including observation, paper patch and finally surgery. Methods: In this correlative–descriptive study, we recorded the outcome of each patient with three-month follow up. Included in this study were a total of 202 forensic medicine patients from the Dept. of Otolaryngology Head & Neck Surgery at the Yazd University of Medical Sciences, Yazd, Iran. All patients included in this study had traumatic TM perforation. Based on otoscopic examination, the perforations were classified as pinpoint or large. All patients received an audiometry exam and were followed for three months. The data was collected using a special form and analyzed by chi-square test, Fisher exact test and ANOVA. Results: This study consisted of 118 male and 84 female patients with a mean age of 23.6 years (6-48 years. The types of trauma included compression injury (104 patients, instrumental injury (59 patients, burn–slag injury (2 patients and blast injury (1 patient. One hundred and eighty patients had pinpoint TM perforations, 99.4% of which healed spontaneously by the second month, and 32 patients had large TM perforations, 50% of which healed spontaneously by the second month. During the first month, 87.3% of the patients observing water precautions had healed, however the healing rate was only 5.6% in patients not adhering to water precautions, who suffered from otorrhea. Therefore, during this study, 185 (91.58% patients had spontaneous healing by two months and only 6 patients of remaining 17 patients healed with paper patch. The mean hearing loss at 500, 1000 and 2000 Hz was 10.55 dB (5-30 dB. Conclusion: In our experience

  3. AUDIOLOGICAL EVALUATION OF PREGNANT WOMEN WITH GESTATIONAL DIABETES MELLITUS: A CLINICAL STUDY

    Directory of Open Access Journals (Sweden)

    Aruna Kumari

    2015-10-01

    Full Text Available Gestational Diabetes Mellitus ( GDM is defined as an abnormal glucose metabolism with varying severity, recognized first during pregnancy. GDM usually occurs during 2 nd and 3 rd trimesters of pregnancy. The pathological changes caused by it are same as Diabetes Mellitus affecting various organs including eyes and ears. The high fluctuations in blood glucose levels are known to produce micro vascular changes in kidney, retina, coc hlea and peripheral nerves. WHO prescribed criterion for Glucose Tolerance Test ( GTT helps in diagnosing the condition. The aim of diagnosis of GDM is to prevent complications of High fluctuating blood levels in the mother. A clinical study is conducted t o assess the effect of GDM on hearing acuity of the patients diagnosed with GDM in 2 nd and 3 rd trimesters of pregnancies in a tertiary Hospital. MATERIALS AND METHODS: 39 pregnant women with GDM during their antenatal checkups at the OPD of OBG department of Government General Hospital attached to Gandhi Medical College, Secunderabad are randomly selected for this study are termed as study group. 43 Subjects without GDM, with Body mass Index ( BMI above 25Kg/m² are included as control group. GTT is done as prescribed by the American Association of Dialectologists to confirm the diagnosis. The hearing acuity is assessed by pure tone audiometry by a trained audiologist in a sound proof room. Air conduction thresholds and PTA are recorded in both the groups aft er a preliminary ENT examination. RESULTS: There was no decrease in air or bone conduction thresholds of lower frequencies and SRT in both the groups. There was decrease in air conduction threshold levels in mid frequencies, but no decrease in bone conduct ion thresholds ( 4K , 6K of study group. There was statistically significant fall in Air conduction thresholds of higher frequencies ( 10K , 12K, and 14K in the study group. CONCLUSIONS: Gestational Diabetes Mellitus is a Pregnancy risk factor causing

  4. Observation of diplopore puncture of tympanum efficacy in the treatment of acute secretory otitis media%双孔法鼓膜穿刺治疗急性分泌性中耳炎的疗效观察

    Institute of Scientific and Technical Information of China (English)

    俞春海; 茅晓时

    2013-01-01

    Objective: To evaluate the method of diplopore puncture of tympanum in the treatment of acute secretory otitis media(ASOM) .Methods: 184 cases with ASOM were divided into two groups randomly,with 90 cases (102 ears) in study group and 94cases(104 ears) in control group . Al of them are given the same routine treatment . The study group was treated with diplopore puncture of tympanum and intratympanic dexamethasone ,the control group was treated with haplopore punctureof tympanum . Al patients accepted 1 to 3 courses of treament ,and were observed 1 month after treatment. Results: There was an significant difference in speech frequency audiometry, acoustic impedance and the total effective rate between the study group and the control group(P<0.05). Conclusion: Diplopore puncture of tympanum is a safe, reliable and effective treatment for patients with ASOM, and it’s worthy of promotion in the primary hospital.%  目的:评估双孔法鼓膜穿刺在治疗急性分泌性中耳炎方面的疗效。方法:将184例急性分泌性中耳炎患者随机分为研究组(90例,102耳)和对照组(94例,104耳),两组辅以相同的常规治疗下,研究组予以双孔法鼓膜穿刺抽液并鼓室注射地塞米松;对照组予以单纯鼓膜穿刺抽液。治疗1~3个疗程。治疗结束后随访1个月。结果:研究组言语频率电测听、声阻抗改善情况及总有效率较对照组有显著提高。结论:双孔法鼓膜穿刺治疗急性分泌性中耳炎是一

  5. 前庭自旋转试验和冷热试验在突发性聋预后评估中的应用比较%The Application of the Vestibular Autorotation Test and the Caloric Test in the Patients with Sudden Deafness in Prognosis Assessment

    Institute of Scientific and Technical Information of China (English)

    孙勍; 刘红丽; 戴静; 彭新; 李娜; 马丽涛; 单希征

    2012-01-01

    Objective To assess the vestibular functions of patients with sudden deafnessby vestibular autorotation test(VAT) and caloric test (CT) and to discuss the difference of thetwo methods in the prognosis assessment of sudden deafness. Methods A total of 23 patientsreceived the vestibular function test (vestibular autorotation test and caloric test) and audiologicaltests (pure-tone audiometry, acoustic immittance measurement, auditory brainstem response).The chi-square (X2) test was used to evaluate the associations. Results The chi-square testshowed that the two vestibular assessment methods had no statistical significance in assessingthe prognosis of sudden deafness (P >0. 05) . Conclusion There is no significant differencebetween VAT and CT in the prognosis assessment of sudden deafness. The vertigo will have aninfluence on the prognosis only when the vestibular function is abnormal. The vertigo in patientswith sudden deafness is not necessarily due to the vestibular damage.%目的 在突发性聋患者诊治过程中运用前庭自旋转试验(vestibular autorotation test,VAT)和冷热试验(caloric test,CT)技术进行半规管功能检测,探讨两种方法在突发性耳聋预后评估中作用的差异性.方法 对23例突发性聋患者进行前庭功能检查(VAT,CT)及听力学检查(纯音测听、声导抗测试、听性脑干反应);用Stata 4.0统计软件做统计分析,分别按痊愈、显效、有效、无效,听力曲线类型及是否伴眩晕进行分组,用R×C联表对各计数因素行卡方检验.结果 统计结果表明两种方法差异无统计学意义(P>0.05).结论 前庭自旋转试验和冷热试验在突发性聋预后评估中的作用无差异.有无眩晕仅在前庭功能异常时对突聋的预后有较大的影响.突聋伴发的眩晕不一定是前庭损害的结果.

  6. 低能量激光照射加耳穴贴压治疗中重度突发性耳聋%Moderate and severe sudden deafness treated with low-energy laser irradiation combined with auricular acupoint sticking

    Institute of Scientific and Technical Information of China (English)

    周国赢

    2012-01-01

    Objective To test the therapeutic effect on moderate and severe sudden deafness treated with lo-wenergy laser irradiation on acupoint and external auditory canal combined with auricular point sticking (APS) and as compared with electroacupuncture. Methods Two hundred and fifty-eight cases of moderate and severe sudden hearing loss were randomly divided into an observation group 1, an observation group 2 and a control group, 86 cases in each group. In three groups, 10% low molecular Dextran 500 mL were used for intravenous infusion. Based on the above treatment, the observation group 1 was treated with low-energy laser irradiation on acupoinr and external auditory canal (such as ErmenCTE 21). Tinggong(SI 19) and TinghuiCGB 2)), combined with APS at Gan (liver) , Shen(kidney) and Neifenmi (endorine) ,etc. The observation group 2 was treated with electroacupuncture at the same acupoints as those point irradiation in observation group 1. Fifteen days made one session. The therapeutic effects were evaluated after one and two sessions. Results After two sessions, The cured rate was 40. 7% (35/86) in observation group 1 and 38. 4%(33/86) in observation group 2,which were superior to 25. 6%(22/86) in control group(both P<0. 05). Compared with one session, the therapeutic effects after two sessions were better in two observation groups(both P<0.05), but there was no significant difference between two groups(both P> 0.05). In comparison of the improvements of frequency audiometry and auditory function, the two observation groups were better than those in control group(P<0. 05 ,P<0. 01), and the improvements after two sessions were better in two observation groups(both P<0. 01). Conclusion Both of low-energy laser irradiation on acupoint and external auditory canal combined with APS and electroacupuncture are able to decrease frequency audiometry, improve auditory function, and the therapeutic effects are better with prolongation of treatment time. The clinical

  7. 线粒体内膜易位酶8A基因新突变导致耳聋肌张力障碍综合征一家系%A novel mutation in the translocase of inner mitochondrial membrane 8 homolog A gene in a family with Mohr-Tranebjaerg syndrome

    Institute of Scientific and Technical Information of China (English)

    王璐; 张巍; 刘玉和; 吕鹤; 王朝霞; 袁云

    2013-01-01

    目的 报道1个耳聋肌张力障碍综合征(Mohr-Tranebjaerg syndrome,MTS)家系的临床和基因突变特点.方法 收集1个MTS家系的临床资料,对该家系先证者(Ⅲ5)行视、听觉诱发电位,纯音测听,瞬态诱发耳声发射和畸变产物耳声发射检查,同时对Ⅲ5及该家系健康成员Ⅰ2、Ⅱ4、Ⅱ6进行线粒体内膜易位酶8A(TIMM8A)基因测序.结果 Ⅲ5男性,2岁后渐出现听力障碍、讲话欠清、双手指伸开困难和行走姿势异常.家系中Ⅲ1、Ⅲ2、Ⅲ3在2岁后均出现听力障碍,Ⅰ2、Ⅱ2、Ⅱ4和Ⅱ6分别在12岁左右出现视力轻度下降.Ⅲ5视觉诱发电位示双侧P100潜伏期延长,纯音测听示双耳重度感音神经性聋,听觉诱发电位双耳均无波形出现,耳声发射检查在双耳均未引出.基因测序示Ⅲ5TIMM8A基因内含子存在c.133-2delA剪切突变,同时Ⅰ2、Ⅱ4、Ⅱ6均检测到该位点突变.结论 MTS存在TIMM8A基因新突变.除感音神经性耳聋外,该病其他症状的发展在同一家族不同患者间存在明显差异,轻度视神经损害可在女性基因携带者中出现.%Objective To report the clinical and genetic features in a family with Mohr-Tranebjaerg syndrome (MTS).Methods After collecting clinical data of the family,visual and auditory evoked potentials,pure tone audiometry,transient evoked otoacoustic emissions and distortion product otoacoustic emissions were carried out in proband (Ⅲ5).The translocase of inner mitochondrial membrane 8 homolog A (TIMM8A) gene was sequenced in proband,Ⅰ2,Ⅱ 4 and Ⅱ 6.Results Ⅲ5,a 15-year-old boy presented with deafness,slurred speech,difficulty in finger extension and dystonia gradually since 2 years old.Ⅲ1,Ⅲ 2 and Ⅲ 3 presented with deafness at the age of 2.Ⅰ 2,Ⅱ 2,Ⅱ 4 and Ⅱ 6 showed mild decreased visual acuity at the age of 12.Visual evoked potentials revealed prolonged P100 latency in both eyes.Pure tone audiometry revealed severe sensorineural hearing

  8. 儿童分泌性中耳炎的听力学分析%The Audiological Characteristics of Children with Secretory Otitis Media

    Institute of Scientific and Technical Information of China (English)

    高胜利; 邹宇; 罗仁忠; 孙昌志; 陈彦球; 彭桥琛; 谢小赳

    2012-01-01

    目的 分析儿童分泌性中耳炎的听力学特征,探讨不同听力学测试方法在儿童分泌性中耳炎诊断中的作用和准确性,为儿童分泌性中耳炎的诊断提供理论依据.方法 回顾性分析2010年1月~2011年6月诊断为分泌性中耳炎住院治疗的46例(81耳)患儿的资料.所有患儿均行中耳鼓膜切开,将声导抗、畸变产物耳声发射(DPOAE)、听性脑干反应(ABR)、纯音测听(pure tone audiometry,PTA)结果与术中所见进行比较分析,了解不同听力学测试方法在评估儿童分泌性中耳炎中的作用和准确性.结果 ①46例(81耳)患儿的DPOAE检查结果均提示双耳未通过,声导抗检查均为B型导抗图.鼓膜切开证实70耳有分泌物(86.42%),11耳无明显分泌物(13.58%).②34例(59耳)行ABR测试的患儿,鼓膜切开证实49耳(83.05%)有积液,其中6耳ABR反应阈正常,43耳ABR反应阈升高;46耳ABRⅠ波潜伏期延长,3耳Ⅰ波潜伏期正常.鼓膜切开证实无积液的10耳(16.95%),5耳ABR反应阈正常,5耳ABR反应阈升高;4耳ABRⅠ波潜伏期延长,6耳Ⅰ波潜伏期正常.③12例(22耳)行PTA测试的患儿,所有耳的听阈值均异常,气骨导差均大于10 dB,鼓膜切开证实22耳均有积液.④统计学分析结果显示,ABR气导反应阈值(Kappa=0.364,P<0.01)、Ⅰ波潜伏期(Kappa=0.561,P<0.01)与中耳积液有相关性.结论 声导抗测试对评估儿童分泌性中耳炎有较高的敏感性,PTA气导听阈及气骨导差、ABR气导反应阈值、ABRⅠ波潜伏期及DPOAE亦可较好地反映儿童中耳功能.%Objective To analyze the audiological characteristics of children with secretoryotitis media (SOM) and to validate different hearing tests in the diagnosis of SOM. Methods Theaudiological data of 46 SOM patients (81 ears) were retrospectively studied. All the childrenreceived the tympanotomy.The acoustic immittance measurement, distortion product otoacousticemission (DPOAE), auditory brainstem response (ABR

  9. Application of Vibrant Soundbridge (VSB)in patients with congenital deformation of middle and outer ears%振动声桥在先天性中外耳畸形患者的应用

    Institute of Scientific and Technical Information of China (English)

    邹艺辉; 李佳楠; 陈爱婷; 戴朴; 韩东一; 刘会占; 杨仕明

    2012-01-01

    Objective To report application of the Vibrant Soundbridge (VSB) in patients with congenital deformation of the middle and outer ears and investigate its indications for this patient population. Method Four patients with congenital deformation of middle and outer ears underwent VSB implantation. All were male (aged 3-18 years, average 13.5 years) and operated on the left side., Malformation was bilateral in 3 patients and unilateral in 1 patient. Surgical techniques were modified to accommodate each patient' s unique conditions. The middle ear space was approached via the facial recess in 3 patients and through a post-facial nerve route in 1 patient. The VSB implant was connected to either the stapes (2 cases) or the round window (2 cases). Pure tone and speech audiometry results and daily communication before and after VSB activation were compared. Results The operations were successful in all patients, with no complications. The patient communication level improved significantly after VSB activation. Average air conduction pure tone threshold or conditioned reflex audiometry improved by 35dB in the 0.25-4 kHz range from 69 dB HL before VSB activation to 34 dB HL after. In quiet, the sentence recognition rate at 65 dB SPL went up to 86% from 0% without VSB for patients with bilateral deformation and remained at 100% for the patient with unilateral deformity. However, for the latter patient, the rate improved to 20% from 0% without VSB in noise (-8 dB SNR). Conclusion VSB is a good solution for improving hearing in patients with congenital deformation of middle and outer ears. Operation can be completed and good results can be achieved even in patients with unique conditions.%目的 报道振动声桥在先天性中外耳畸形患者(尤其有特殊情况者)的应用,探索其在该类患者的适应症.方法 对4例先天性中外耳畸形患者行振动声桥植入术,均为男性,年龄3-18岁(平均13.5岁),3例双耳畸形,1例单耳畸形,均为左侧植

  10. Auditoria dos programas de prevenção de perdas auditivas em Curitiba (PPPA Hearing loss prevention programs control of Curitiba (HLPP

    Directory of Open Access Journals (Sweden)

    Regina C.M. Cavalli

    2004-06-01

    Curitiba area are meeting legal requirements and scientific recommendations. STUDY DESIGN: Transversal cohort. MATERIAL AND METHOD: A questionnaire prepared by the American National Institute for Occupational Safety and Health, NIOSH, in 1996, for auditing hearing loss prevention programs (HLPP was used as an instrument for data collection. This instrument has 89 questions, divided in eight themes about the following aspects of HLPP programs: training and education, supervisor involvement, noise measurement, engineering and administrative controls, monitoring audiometry, record keeping, referrals, hearing protections devices and administrative aspects. The data was collected through interviews with occupational physicians, engineers and/or safety technicians. The industries were divided in two groups: one composed of industries with HLPPs and another without HLPPs. CONCLUSION: No significant difference was observed between groups and both meet, in part, the legal requirements for hearing loss prevention. Questions about practices that exceed the legal requirements indicated that industries with HLPPs dedicated greater efforts to hearing loss prevention. Through the data analysis, we could identify the strengths and weaknesses of the HLPP programs in this region of Brazil. This information can lead to the proposal of more effective preventive measures and legislation revisions.

  11. Avaliação prospectiva de 11 pacientes brasileiros com mucopolissacaridose II Prospective study of 11 Brazilian patients with mucopolysaccharidosis II

    Directory of Open Access Journals (Sweden)

    Louise L. C. Pinto

    2006-08-01

    Hospital de Clínicas de Porto Alegre. The initial assessment and the assessment at 12 months included: anamnesis, physical examination, abdominal nuclear magnetic resonance, echocardiogram, 6-minute walk test, audiometry, serum biochemical tests and urinary glycosaminoglycan concentration. RESULTS: The major findings after comparing the assessments were: 1 two patients had growth retardation; 2 two patients showed negative weight change; 3 one patient went from obese to overweight; 4 three patients revealed left ventricle hypertrophy; of these, two increased the number of cardiac valve lesions; 5 there was no statistically significant difference between the mean distances obtained on the 6-minute walk test; 6 there was splenic enlargement; 7 there was an increase in gamma-glutamyltransferase levels; 8 the urinary concentration of glycosaminoglycans remained unchanged. CONCLUSIONS: In general, echocardiographic findings were the only variable with deterioration and possible immediate clinical consequences. Although a 12-month period is too short to detect changes in most variables related to mucopolysaccharidosis II, its progressive nature should be taken into account when evaluating the efficiency of treatment protocols.

  12. Efeito de fármacos ototóxicos na audição de recém-nascidos de alto risco Effects of ototoxic drugs in the hearing of high risk newborns

    Directory of Open Access Journals (Sweden)

    Marília Fontenele e Silva Câmara

    2010-01-01

    Full Text Available OBJETIVOS: Calcular a incidência da perda auditiva sensorioneural (PASN em recém-nascidos de alto risco, verificar se existe associação causal entre o uso de fármacos ototóxicos em neonatos de alto risco e a PASN e estabelecer a frequência das mutações genéticas relacionadas à PASN em neonatos de alto risco. MÉTODOS: A pesquisa foi uma coorte retrospectiva e prospectiva realizada em 250 crianças. Foi realizada coleta de dados em prontuários e com os responsáveis, triagem auditiva por emissões otoacústicas-produto de distorção, timpanometria, audiometria com reforço visual, potencial evocado auditivo de tronco encefálico e emissões otoacústicas transientes. A pesquisa das mutações genéticas 35delG e mitocondriais A1555G e A7445G, foi fundamental para avaliar a possibilidade da PASN ser de origem genética não-sindrômica. RESULTADOS: A incidência da PASN foi de 11,6%, as associações causais entre a PASN e os fármacos administrados foram: amicacina e cefotaxima (OR 5,35, cefotaxima e furosemida (OR 7,02, ceftazidima e vancomicina (OR 9,12. A frequência da mutação 35delG foi de 0,8% e para as mutações mitocondriais A1555G e A7445G foi 0%. CONCLUSÃO: A incidência de PASN em recém-nascidos de alto risco foi alta, apresentando importante relação causal com o uso de medicamentos e pequena relação com mutações genéticas.PURPOSE: To calculate the incidence of sensorineural hearing loss (SNHL, to verify if there is a causal association between the use of ototoxic drugs and SNHL, and to establish the frequency of genetic mutations related to SNHL in high risk newborns. METHODS: The study was a retrospective and prospective cohort research with 250 children. Data was gathered from subjects' charts and with their caregivers. Moreover, subjects were submitted to auditory evaluation with distortion product otoacoustic emissions, timpanometry, visual reinforcement audiometry, auditory brainstem response and

  13. Estudo audiometrico de alta fraquência em pacientes curados de câncer tratados com cisplatina High frequency audiometric study in cancer-cured patients treated with cisplatin

    Directory of Open Access Journals (Sweden)

    Elizabeth Oliveira Crepaldi de Almeida

    2008-06-01

    Full Text Available Alterações auditivas têm sido encontradas em pacientes submetidos à quimioterapia devido à ototoxicidade, daí a importância da investigação audiológica nesses casos. OBJETIVO: Avaliar os limiares de audibilidade nas altas freqüências em indivíduos curados de câncer, tratados com cisplatina e associações, para verificar possível perda auditiva como seqüela do tratamento. Local e data do estudo: Campinas - SP, em 2006. MATERIAL E MÉTODO: Roteiro de anamnese, otoscópio e audiômetro. Dez voluntários, entre 5 a 27 anos, foram submetidos a anamnese; meatoscopia; audiometria tonal convencional e de altas freqüências. Forma de Estudo: Clínico experimental. RESULTADOS: O kappa ponderado evidenciou diferença significativa entre as orelhas em 50% das 14 freqüências avaliadas. Oito participantes apresentaram perda auditiva. O acometimento iniciou-se em 1 kHz, com crescimento acentuado a partir de 6kHz. O Teste Exato de Fisher evidenciou associação significativa apenas para dose e orelha direita nas altas freqüências. CONCLUSÃO: É possível que as perdas auditivas detectadas devam-se, pelo menos parcialmente, à ototoxicidade dos antineoplásicos utilizados, a qual pode ocorrer mesmo após a interrupção do tratamento. Sugere-se estabelecer protocolo de acompanhamento audiológico no tratamento quimioterápico.Hearing loss has been described in patients undergoing chemotherapy, given the ototoxic nature of these drugs. An audiological investigation is relevant in such cases. AIM: to assess audibility thresholds at high frequencies in individuals with cancer that was treated successfully with cisplatin and its associations, to verify possible hearing loss as a side effect of therapy. Site and date of the study: Campinas, Sao Paulo, in 2006. MATERIAL AND METHOD: Ten volunteers aged between 5 and 27 years were assessed by a clinical history, otoscopy, and conventional and high frequencies audiometry in this clinical and

  14. Feasibility of Using Supra-aural Headphones for Assessing the Aided Hearing Thresholds of Completely-in-the-canal Hearing Aids%头戴式气导耳机评估完全耳道式助听器助听听阈的可行性研究

    Institute of Scientific and Technical Information of China (English)

    苏俊; 李文靖; 管锐瑞; 张梅丽

    2015-01-01

    ObjectiveTo verify the feasibility of using supra-aural headphones for assessing the aided hearing thresholds of completely-in-the-canal(CIC) hearing aids.MethodsTwenty-six CIC hearing aid wearers (35 ears) received pure-tone audiometry before wearing hearing aid and aided hearing thresholds test in the sound field when wearing hearing aids and using supra-aural headphones. And the results were statistically analyzed.Results There were significant differences in the aided hearing thresholds of CIC hearing aid wearers at 250,1000, 2000 and 4000 Hz in the sound field and when using the supra-aural headphones(P<0.05),but the difference was less than 5 dB HL.The aided hearing thresholds in the sound field and when using the supra-aural headphones were linearly correlated with the pure-tone hearing thresholds at 250, 500, 1000, 2000 and 4000 Hz(P<0.01).Conclusion CIC hearing aid wearers can use supra-aural headphones to assess the aided hearing thresholds. However, this study only observes the aided hearing thresholds at 250-4000 Hz, so it can’t replace sound field test and further studies are needed.%目的:验证使用头戴式气导耳机对完全耳道式(completey-in-the-canal,CIC)助听器配戴者进行助听听阈评估是否具有可行性。方法对26例(35耳)CIC型助听器配戴者分别进行裸耳纯音听阈测试、声场条件下的助听听阈测试和头戴式气导耳机条件下的助听听阈测试,并对结果进行统计学分析。结果 CIC型助听器配戴者声场条件下与头戴式气导耳机条件下的助听听阈在250、1000、2000和4000 Hz处差异有统计学意义(P<0.05),但差值均<5 dB HL;声场条件下的助听听阈、头戴式气导耳机条件下的助听听阈和裸耳听阈两两间在250、500、1000、2000和4000 Hz频率下均呈显著直线相关趋势(P<0.01)。结论CIC助听器配戴者可用头戴式气导耳机进行助听听阈测试,但由于本研究只观察了250~4000 Hz

  15. Comparação dos resultados do limiar de detectabilidade de voz por meio de material gravado e a viva voz Comparing the results of lower voice detection thresholds by means of recorded material and live voices

    Directory of Open Access Journals (Sweden)

    Angela Ribas

    2008-12-01

    Full Text Available OBJETIVO: comparar os resultados do teste denominado limiar de detectabilidade de voz, utilizando-se uma lista de palavras trissilábicas previamente gravadas e à viva voz em indivíduos com audiograma de configuração plana. MÉTODOS: participaram da pesquisa 60 indivíduos (120 orelhas com exame audiométrico dentro dos padrões da normalidade e audiometria tonal de configuração plana, sem intercorrências auditivas, em faixa etária de 20 a 30 anos. Aplicou-se o teste à viva voz e com material gravado, em cabine tratada acusticamente, por meio do audiômetro AC40 e com o auxílio de um cd player acoplado. RESULTADOS: o limiar de detectabilidade de voz foi encontrado 10 dB melhor que a média tritonal em 35 orelhas (58,5% da amostra quando realizado a viva-voz e em sete orelhas (11,5% quando realizado com material gravado; e foi encontrado 5 dB pior que a média tritonal em uma orelha (1,5% quando realizado a viva-voz e em 23 orelhas (38% com material gravado. CONCLUSÃO: a ao utilizar-se material gravado para o estabelecimento do LDV em curvas de configuração plana, deve-se considerar como padrão de normalidade níveis de intensidade iguais à média tritonal ou pior em 5 dB e b evidenciou-se diferença entre os resultados obtidos com material gravado e a viva voz, o que demonstra a importância da utilização de testes gravados para determinação dos limiares auditivos na logoaudiometria.PURPOSE: to compare the results of the test referred to as voice detection lower thresholds, using a previously-recorded list of trisyllabic words and in live voice in individuals with flat configuration audiogram. METHODS: 60 subjects (120 ears took part in the study, each with an audiometric exam within normal patterns and tonal audiometry at a flat configuration, without auditory incidents, in the age group going from 20 to 30. The test was given with a live voice and with recorded material, in an acoustically-managed booth, by means of an AC40

  16. 内耳出血所致突发性聋患者临床表现特点分析%Clinical features of sudden sensorineural hearing loss accompanied with inner ear hemorrhage

    Institute of Scientific and Technical Information of China (English)

    陈希杭; 林昶; 方哲明; 陈曦; 叶胜难; 程金妹; 张榕

    2015-01-01

    Objective To investigate the clinical features, diagnosis and prognosis of sudden sensorineural hearing loss accompanied with inner ear hemorrhage.Methods Eleven cases of sudden sensorineural hearing loss accompanied with inner ear hemorrhage were retrospectively analyzed, including clinical manifestation, hematological and audiological examinations, as well as characteristics of inner ear three-dimensional fluid-attenuated inversion recovery magnetic resonance imaging (3D-FLAIR MRI).Results Eleven cases of sudden hearing loss with inner ear hemorrhage were accompanied by varying degrees of vertigo, lasting from several minutes to several hours, nine of whom had persistent tinnitus.The audiometry curves of the 11 cases included total deafness or flat descending type.The inner ear 3D-FLAIR MRI studies revealed abnormal high signals at different positions of the inner ear, one case with endolymphatic hydrops.After the treatment, seven cases were invalid, two cases had notable effect, and two cases were effective.Conclusions Abnormal high signals in the inner ear were sensitively detected by 3D-FLAIR MRI sequence, which was applied for the diagnosis of the sudden hearing loss accompanied with inner ear hemorrhage.The effect of conventional treatment was not good and the appropriate treatments for this type of sudden hearing loss need further investigation.%目的 探讨内耳出血所致突发性聋患者的临床特点、诊断方法及预后情况.方法 回顾性分析2010年1月至2014年10月11例考虑为内耳出血所致突发性聋患者的临床资料,包括临床表现、实验室检查、听力学、内耳MRI影像学特征等.结果 11例患者中男5例、女6例,年龄23~73岁(中位年龄44岁);均伴有不同程度的眩晕,持续数分钟至数小时不等,其中9例患者伴有持续性耳鸣;根据听力曲线分型,全聋型9例,平坦下降型2例.11例患者通过三维液体衰减反转恢复(three-dimensional fluid

  17. Influência do tipo de amamentação nas condições de orelha média de lactentes The influence of the type of breastfeeding on middle ear conditions in infants

    Directory of Open Access Journals (Sweden)

    Michele Vargas Garcia

    2012-02-01

    emissions (OAE was carried out in 60 infants between zero and four months. They were distributed in two groups; group I had the infants with OAE and those infants in group II did not have OAE. They were submitted to tympanometry with a 1000 Hz test tone and ENT assessment. RESULTS: Bottle fed infants or those who were fed in a mixed way had more changes to their audiometry and ENT assessment, with a statistically significant difference. The breastfed infants had a higher occasion of normal tympanometries and normal otorhinolaryngological assessment, with statistically significant difference. CONCLUSION: We then concluded that those breastfed implants had less ENT changes and as well as less acoustic immittance change, thus enabling OAEs. Breastfeeding alone can be considered a protection factor against middle ear changes.

  18. Perda auditiva sensorioneural em pacientes com acromegalia em tratamento Sensorineural hearing loss in acromegalic patients under treatment

    Directory of Open Access Journals (Sweden)

    Marcelo Alexandre Carvalho

    2012-08-01

    Full Text Available Acromegalia é uma doença endócrina rara. Poucos estudos avaliaram sua associação com deficiência auditiva (DA e os resultados são conflitantes. OBJETIVOS: Avaliar a prevalência e características da DA em um grupo de pacientes com acromegalia em tratamento. Analisar a transmissão auditiva central e periférica. MATERIAL E MÉTODOS: Estudo transversal. Um grupo de 34 pacientes com acromegalia submeteu-se à avaliação metabólica, audiometria tonal e potenciais evocados auditivos de tronco encefálico (PEATE. Considerou-se DA quando a média dos tons puros foi > 25 DBNA para baixas frequências (250, 500, 1000 e 2000 Hz ou altas frequências (3000, 4000, 6000 e 8000 Hz. Os pacientes foram divididos em grupo A (com DA e B (sem DA. RESULTADOS: Doze pacientes (35,3% mostraram DA sensorioneural (grupo A, sendo oito bilateral e quatro unilateral. Nenhum apresentou DA mista ou condutiva. A prevalência de diabetes/intolerância à glicose de jejum foi similar entre os grupos. As frequências de 3000, 4000, 6000 e 8000 Hz foram as mais afetadas e com padrão similar em ambos os lados. CONCLUSÃO: DA sensorioneural esteve presente em 35,3% dos casos. Não foram notadas diferenças clínicas ou metabólicas significativas entre os grupos, bem como na transmissão neural auditiva periférica e central.Acromegaly is a rare endocrine disease. Few studies have evaluated its association with hearing loss (HL and the results are conflicting. AIM: To evaluate the prevalence and features of HL in a group of patients being treated for acromegaly. To analyze peripheral and central auditory transmission. METHODS: Cross-sectional study. A group of 34 patients with acromegaly were submitted to metabolic evaluation, tonal audiometry and brainstem auditory evoked potentials. HL was considered when pure tone average was > 25 DBHL for low frequencies (250, 500, 1000 and 2000 Hz or high frequencies (3000, 4000, 6000 and 8000 Hz. The patients were divided in group

  19. Noise current workers' hearing loss of high frequency longitudinal analysis%噪声场所流动作业工人听力高频损失纵向分析

    Institute of Scientific and Technical Information of China (English)

    李淑华; 彭成丛

    2014-01-01

    目的:了解噪声对高含硫天然气净化车间流动作业工人听力的影响状况。方法采用定群、纵向研究分析138名噪声职业接触者在岗连续4年的纯音听阈测试结果。结果未检出语频听损者;除2010年外,各年度观察对象增加显著多于岗前(χ2=10.38,P<0.01;χ2=6.31,P<0.05;χ2=7.35, P<0.01),各年度各频段平均听阈显著高于岗前(t=11.52,P<0.01;t=3.83,P<0.05;t=37.98;P<0.01;t=15.13;P<0.01);4次在岗体检3000Hz、4000Hz、600OHz处听损耳次三频段之间比较(χ2=167.95,P<0.01)、各频段两两相比(χ2=165.8,χ2=56.42,χ2=40.09,P<0.01),差异均有统计学意义。结论各年度听损耳数和观察对象数目前未呈现逐年递增趋势,时间累积效应关系尚不稳定,该车间噪声危害目前可控。%Objective To investigate the effect of flow noise purification workshop workers hearing on high sour natural gas. Methods Of longitudinal cohort study, the results of 138 noise occupation contact in 4 consecutive years of pure tone audiometry adopts. Results The were not detected in speech frequency hearing loss; except for 2010, the annual observation object increased significantly than before (χ2=10.38,P<0.01;χ2=6.31,P<0.05;χ2=7.35,P<0.01), the annual average hearing threshold was significantly higher than that before each frequency band (t=11.52,P<0.01;t=3.83,P<0.05;t=37.98;P<0.01;t=15.13;P<0.01);4 on-the-job check-up 3000Hz, 4000Hz, 600OHz between listening to the lug time tri band comparison (χ2=167.95,P<0.01), compared to the band two two (χ2=165.8, χ2=56.42,χ2=40.09,P<0.01), the difference was statistically significant. Conclusion The annual number of hearing loss ears and the observed number at present did not show an increasing trend year by year, 1the cumulative effect of time relation is not stable, controllable hazard at the workshop noise.

  20. Avaliação audiométrica após estapedotomia com prótese de titânio do tipo Fisch Audiometric evaluation after stapedotomy with Fisch titanium prosthesis

    Directory of Open Access Journals (Sweden)

    Andre Luiz de Ataide

    2013-06-01

    Full Text Available Otosclerose é uma doença que provoca fixação do estribo, levando à perda auditiva tipicamente condutiva, corrigida com aparelhos auditivos ou cirurgia de estapedotomia, substituindo o estribo doente por uma prótese. O material mais recentemente utilizado é o titânio e no Brasil há apenas duas próteses comercialmente disponíveis. A prótese de pistão tipo Fisch, da Storz, não possui resultados relatados na literatura. OBJETIVO: Estudo retrospectivo avaliando resultado auditivo após estapedotomia com uso desta prótese. MÉTODO: Usando critérios da Academia Americana de Otorrinolaringologia, comparou-se o gap nas audiometrias pré e pós-operatórias, avaliando-se melhora auditiva. RESULTADOS: O gap pós-operatório em baixas frequências teve média de 12,9 dB, em altas frequências de 5,2 dB (média 9,1 dB, mediana 8,8 dB, mínimo 1,3 dB e máximo 21,6 dB, desvio padrão 5,7 e p Otosclerosis causes the fixation of the stapes and conductive hearing loss, usually corrected with the use of hearing aids or through stapedotomy and the replacement of the involved stapes with a prosthesis. Titanium has been the most recently used material of choice in stapedotomy prostheses. Only two prostheses are commercially available in Brazil. There are no reports in the literature on the Fisch-type Storz titanium stapes piston prosthesis. OBJECTIVE: This retrospective study aims to look into the auditory outcomes of patients submitted to stapedotomy and titanium stapes piston prosthesis implantation. METHOD: The criteria described by the American Academy of Otolaryngology were used to compare pre and postoperative air-bone gaps seen in audiometry tests. RESULTS: The mean low-frequency postoperative air-bone gap was 12.9 dB; the mean high-frequency air-bone gap was 5.2 dB (mean 9.1 dB; median gap was 8.8 dB, with a minimum of 1.3 dB and a maximum of 21.6 dB; standard deviation was 5.7 dB, and p < 0.001. Twenty-five (75.8% patients had air-bone gaps

  1. Desempenho nas habilidades auditivas de atenção seletiva e memória auditiva em um grupo de idosos protetizados: influência de perda auditiva, idade e gênero Performance in the auditory abilities of selective attention and hearing memory in a group of elderly with hearing aids: Influence of hearing loss, age and gender

    Directory of Open Access Journals (Sweden)

    Leonardo Henrique Buss

    2012-01-01

    Full Text Available OBJETIVOS: verificar o desempenho nas habilidades auditivas de atenção seletiva e memória auditiva de idosos protetizados e relacioná-lo com o grau e configuração de perda auditiva, o gênero e a idade. MÉTODO: foram avaliados 29 idosos de 60 a 84 anos, sendo 17 (58,62% do gênero feminino e 12 (41,38% do gênero masculino. As avaliações realizadas incluíram meatoscopia, audiometria tonal liminar e aplicação do teste SSW em português. RESULTADOS: a análise dos dados permitiu verificar que, neste grupo de indivíduos, a idade e o grau de perda auditiva influenciaram significantemente nos escores obtidos na avaliação do processamento auditivo, diferentemente das demais variáveis. Os idosos que apresentaram perda auditiva de grau leve com configuração horizontal obtiveram escores significantemente superiores na avaliação do processamento auditivo comparados com os portadores de perda auditiva de grau moderado com configuração horizontal ou grau moderado com configuração descendente. Idosos pertencentes a faixa etária de 60-69 obtiveram desempenho superiormente significante comparado com idosos na faixa etária de 80-89 CONCLUSÃO: concluiu-se que o grau de perda auditiva e a idade influenciam nos resultados da avaliação do processamento auditivo. O gênero e a configuração de perda auditiva não foram fatores determinantes na avaliação do processamento auditivo.PURPOSE: to verify the performance in the auditory abilities of selective attention and hearing memory of elderly with prosthesis and relate it to the degree and the configuration of hearing loss, the gender and the age. METHOD: 29 elderly people from 60 to 84 years old were evaluated, 17 of them (58,62% females and 12 (41,38% males. The evaluations carried out included meatoscopy, audiometry evaluation and the use of the SSW test in Portuguese. RESULTS: the analysis of the data showed that, in this group of individuals, the age and the degree of auditory loss

  2. Estudo da ototoxicidade em trabalhadores expostos a organofosforados Ototoxicity study in workers exposed to organophosphate

    Directory of Open Access Journals (Sweden)

    Ana Cristina Hiromi Hoshino

    2008-12-01

    from Teresópolis, RJ. Age ranged between 16 and 59 years, with a mean value of 39.6 years, 5 were males and 13 females. We used three questionnaires with questions associated with general and auditory health, and more specific questions about dizziness and its association with work. All workers underwent clinical evaluation, audiometry and vectoelectronystagmography. RESULTS: results showed that 16 workers had irritative peripheral body balance disorder and 7 workers had sensorineural hearing loss, thus suggesting that agricultural pesticides cause vestibular alterations through a slow and silent intoxication. CONCLUSIONS: medical care for this population exposed to neurotoxic substances require an interdisciplinary approach, to guarantee efficient preventive and therapeutic measures.

  3. Health status of workers exposed to noise in a papermaking enterprise of Zhenjiang City%镇江市某造纸企业噪声作业工人健康状况

    Institute of Scientific and Technical Information of China (English)

    谢石; 葛琴娟; 李艳平; 钱海洋

    2013-01-01

    目的 调查造纸生产过程噪声对造纸作业人员身体健康的影响.方法 选取镇江市某大型造纸企业,对其作业场所噪声强度进行监测;同时选择该企业接触噪声的1717名作业人员作为观察组,其他单位410名行政管理人员作为对照组,对他们进行听力测定、血压、心电图等职业健康检查.对不同工龄接触噪声作业人员体检结果异常率进行统计分析.结果 接触噪声作业人员高频听损率、语频听损率、高血压患病率和心电图异常率分别为22.6%、12.3%、10.4%、22.1%,均高于对照组的8.5%、4.6%、5.4%、16.3%,差异均有统计学意义(x2值分别为41.1、5.6、9.7、6.7,均P<0.05).结论 该造纸生产企业噪声污染普遍存在.长期接触噪声对作业人员的听觉系统及心血管系统影响较大.因此,应对造纸行业的噪声危害采取切实有效的防范措施,以保护工人的健康.%[Objective] To investigate the influence of paper manufacturing noise to the health of the workers with exposure, t Methods] The noise density of different work place was detected in a large papermaking enterprise. The papermaking workers who exposed to noise in the factory were selected as exposed group and some administration staffs in the other factory were recruited as control group. Their physical examination including audiometry, ECG and blood pressure. The abnormal rate of examination results between workers with different length of noise exposure was analyzed statistically. [ Results] The rate of high-frequency hearing loss rate, speech frequency hearing loss rate, abnormal rate of hypertension and abnormal ECG in exposed group (22.6% , 12. 3% , 10.4% , 22.1% respectively) was higher than those of control group(8.5% , 4.6% , 5.4% , 16.3% , respectively. There were significant differences (all P <0.05). [ Conclusion] Noise pollution is prevalent in the papermaking enterprise. The noise has great influence to the

  4. Avaliação do processamento auditivo em idosos que relatam ouvir bem Auditory processing assessment in older people with no report of hearing disability

    Directory of Open Access Journals (Sweden)

    Maura Ligia Sanchez

    2008-12-01

    , otorhinolaryngological exam, threshold tonal audiometry, speech recognition threshold, speech recognition index, immittance measures, stapes reflex study, synthetic phrases identification test with ipsilateral competitive message, frequency pattern test and alternate twin-syllable test through dichotic task; age range and hearing loss influenced results from the phrases identification with ipsilateral competitive message. Percentages of right answers below normal standards were seen in the three tests that assessed the central auditory functions. CONCLUSION: Elderly individuals who did not complain of hearing presented relevant prevalence of signs of central auditory function inefficiencies.

  5. Evolução clínica de pacientes com doença de Ménière The outcome of patients with ménière’s disease

    Directory of Open Access Journals (Sweden)

    Adriana Gonzaga Chaves

    2007-06-01

    -otology referral centre. Patients underwent a clinical examination, audiometry and bilateral transtympanic electrocochleography. Patients were separated into 2 groups: bilateral Ménière`s disease and unilateral Ménière`s disease. RESULTS: The mean age was 42.9 years; 72.5% were female. Fluctuation of hearing loss occurred in 54.5% of cases, and 65.7% had frequent attacks of vertigo. Bilateral disease was observed in 33.3%. The onset of the disease was earlier in the bilateral group (33.7 years compared to the unilateral group (p= 0.0013. Duration of disease, tinnitus, hearing loss and aural fullness were similar between groups. CONCLUSION: Patients with bilateral Ménière`s disease had symptoms earlier than patients with unilateral disease. There was no difference between the groups in duration of disease and associated symptoms.

  6. Zumbido em indivíduos sem perda auditiva e sua relação com a disfunção temporomandibular Tinnitus in individuals without hearing loss and its relationship with temporomandibular dysfunction

    Directory of Open Access Journals (Sweden)

    Aline Albuquerque Morais

    2012-04-01

    Full Text Available Pesquisas apontam que disfunções da articulação temporomandibular estão freqüentemente associadas ao zumbido. OBJETIVO: caracterizar o zumbido de indivíduos com audição normal e buscar possível relação com a Disfunção Temporomandibular (DTM. Forma do estudo: prospectivo tranversal. MATERIAL E MÉTODO: participaram 20 adultos de ambos os sexos com queixa de zumbido e limiares auditivos dentro da normalidade à audiometria convencional. Foi realizada a pesquisa das características psicoacústicas do zumbido, aplicação do checklist de sinais e sintomas de DTM e aplicação do Tinnitus Handicap Inventory (THI. RESULTADOS: o zumbido de pitch agudo, contínuo e bilateral foi o mais freqüente. À acufenometria, o pitch médio do zumbido referido pelos indivíduos foi de 8,6 kHz e a loudness média foi de 14,1 dBNS. O grau do incômodo causado pelo zumbido foi leve. Observou-se que quanto mais agudo o pitch, menor foi a loudness e maior a pontuação no THI. Verificou-se que 90% dos indivíduos apresentaram pelo menos um sinal ou sintoma de DTM. CONCLUSÕES: o tipo de zumbido mais frequente é o de pitch agudo, contínuo e bilateral, 90% dos indivíduos apresentaram pelo menos um sinal ou sintoma de DTM e não há correlação do zumbido com a acufenometria, THI e checklist para DTM.Research has shown that dysfunction of the temporomandibular joint is often associated with tinnitus. AIM: to characterize tinnitus in individuals with normal hearing and search for a possible relationship with Temporomandibular Disorders (TMD. Study design: prospective and cross-sectional. MATERIALS AND METHODS: the participants included 20 adults of both genders with tinnitus and normal hearing thresholds on audiometry. We studied tinnitus psychoacoustic characteristics and employed the checklist of TMD signs and symptoms from the Tinnitus Handicap Inventory (THI. RESULTS: the high pitch, continuous and bilateral tinnitus was the most frequent. Upon

  7. Differential pathologies resulting from sound exposure: Tinnitus vs hearing loss

    Science.gov (United States)

    Longenecker, Ryan James

    the acoustic startle reflex show that after sound exposure the magnitude of startle responses decrease in most mice, to varying degrees. Lastly, PPI audiometry was able to detect specific behavioral threshold deficits for each mouse after sound exposure. These deficits persist past initial threshold shifts and are able to detect frequency specific permanent threshold shifts. The third specific aim examined hyperactivity and increased bursting activity in the inferior colliculus after sound exposure in relation to tinnitus and hearing loss. Spontaneous firing rates were increased in all mice after sound exposure regardless of behavioral evidence of tinnitus. However, abnormal increased bursting activity was not found in the animals identified with tinnitus but was exhibited in a mouse with broad-band severe threshold deficits. CBA/CaJ mice are a good model for both tinnitus development and noise-induced hearing loss studies. Hyperactivity which was evident in all exposed animals does not seem to be well correlated with behavioral evidence of tinnitus but more likely to be a general result of acoustic over exposure. Data from one animal strongly suggest that wide-spread severe threshold deficits are linked to an elevation of bursting activity predominantly ipsilateral to the side of sound exposure. This result is intriguing and should be followed up in further studies. Data obtained in this study provide new insights into underlying neural pathologies following sound exposure and have possible clinical applications for development of effective treatments and diagnostic tools for tinnitus and hearing loss.

  8. Relação da presença de hiperacusia em pacientes com paralisia facial periférica de Bell Relation of hyperacusis and peripheral facial paralysis - Bell's palsy

    Directory of Open Access Journals (Sweden)

    Raquel Ysabel Guzmán Liriano

    2004-12-01

    patients with Bell's palsy. AIM: The objective of the present study was to check if patients with Bell's palsy present hyperacusis. STUDY DESIGN: Clinical prospective. MATERIAL AND METHOD: Eighteen patients with peripheral facial paralysis were randomly selected and examined. Complete ENT evaluation was performed, including Hilger facial nerve stimulator, Schirmer's test, electrogustometry, pure tone testing, speech audiometry, immittance testing and discomfort loudness levels. The group aged 31-40 years was the most affected by peripheral facial paralysis in this sample. RESULTS: The incidence was higher in females (61%. The right side of the face was involved in 56% of patients. As to local involvement, grade IV was observed in 44% of cases and grades III and V in 28% of patients each. Only one patient (5.5% complained of hyperacusis. All studied patients presented reduced tolerance threshold in the audiometric graphs, and stapedius reflex protects these patients by 16dB on average. CONCLUSION: Therefore, we could conclude that the frequency of complaints of hyperacusis in patients with Bell's palsy was similar to that of the general population; however, in audiometric terms, the tolerance threshold in the paralyzed side was lower when compared with the normal side.

  9. Efeitos auditivos da exposição combinada: interação entre monóxido de carbono, ruído e tabagismo Auditory effects of combined exposure: interaction between carbon monoxide, noise and smoking

    Directory of Open Access Journals (Sweden)

    Débora Gonçalves Ferreira

    2012-12-01

    environmental risks (CO and noise and the file information related to auditory health and to the biological concentrations of CO in the blood (CPHb. The first and the last pure-tone audiometry results were analyzed considering the smoking habits, the type of exposure (CO and noise or noise only, the time of exposure, the level of noise, and age. RESULTS: Both the CO concentration and the noise levels were above the tolerance limits provided by the regulatory norm number 15 of the Ministry of Labor and Employment. The group of workers exposed to CO and noise presented a higher rate of noise-induced hearing loss (22.5%, when compared to the group exposed only to noise (7.5%, as well as significant worsening of the hearing thresholds of 3, 4 and 6 kHz. Age, time of exposure, type of exposure, level of noise, and smoking habit significantly influenced the auditory threshold of the participants. Smoking enhanced the effects of both CO and noise on the auditory system. CONCLUSION: The occupational exposure to noise and CO resulted in significant effects on the auditory system of workers from a steel industry.

  10. Presença de microfonismo coclear no peate-clique: diagnóstico diferencial entre espectro da neuropatia auditiva e perdas auditivas cocleares descendentes em crianças Presence of cochlear microphonics in click-ABR: differential diagnosis between auditory neuropathy spectrum disorder and steeply sloping cochlear hearing loss in children

    Directory of Open Access Journals (Sweden)

    Gabriela Ribeiro Ivo Rodrigues

    2010-12-01

    of cochlear microphonics for click-ABR. The children are assessed by click-ABR, otoacoustic emissions and pure tone audiological evaluation, using the Visual Reinforcement Audiometry technique. RESULTS: the test battery showed that children have sensorineural hearing loss (cochlear with steeply sloping configuration, so that the presence of cochlear microphonics in the click-ABR was probably generated by the preservation of the cochlea in the low frequencies. CONCLUSION: the cases demonstrated that the absence of the otoacustic emissions, and presence of cochlear microphonics should not be interpreted as Auditory Neuropathy Spectrum Disorder, since that these conditions are similar to steeply sloping cochlear hearing loss.

  11. NOISE INDUCED HEARING LOSSIN HEAVY METAL INDUSTRIAL WORKERS

    Directory of Open Access Journals (Sweden)

    Subbarao

    2015-07-01

    Full Text Available INTRODUCTION: Today the world is facing with number of serious problems, which are challenging the humanity for its survival. “The present generation and the future generations have to solve at least three grave problems, namely, population, poverty and pollution if they have to survive”. Pollution is of many types li ke sound pollution, air pollution, and noise pollution. Workers who are exposed to heavy noise at industries are at higher risk of getting severe health problems especially the hearing loss which can be prevented when necessary precautions are taken. AIM: The study consists of ‘Noise Induced Hearing Loss’ (NIHL that may be present in the heavy metal industrial workers exposed to high levels of noise at the work place and compared with the control group and also to find out which frequencies are effected mo re. SETTING: The study was carried out in a nearby heavy metal industry, by taking different departments with varying noise range from (83 - 105 dB are as follows: 1 . Shells (90 - 92dB, 2. Press Shop (94 - 96 dB, 3. Cryogenic Production (85 - 86 dB, 4. Heat Ex changers (95 - 105dB, 5. Pressure Vessels (88 - 90 dB, 6. Tool Manufacturing Section (88 - 92 dB, 7. Welding (90 - 92 dB, (8. Training Section (87 - 88 dB, 9. Quality Control (83 - 85 dB, 10. Garage (86 - 88 dB . MATERIALS & METHODS : The study population included all 200 male subjects with 100 test group and 100 control group. All are subjected to thorough clinical examination, hearing tests in the department of physiology and pure tone audiometry at Visakhapatnam, from January 2014 to January 2015. The parameters studied were age, duration of exposure and years of service and intensity of exposure to noise. STATISTICAL ANALYSIS: In this study statistical analysis is Chi square analysis for estimation of p value which is <0.05. RESULTS: The case sheets analyzed wer e total 200. Test group which include100 and control group 100. Among test group almost all of them

  12. 45例听神经病的临床与听力学分析%Clinical and Audiological Analysis of 45 Cases of Auditory Neuropathy

    Institute of Scientific and Technical Information of China (English)

    刘丽岱; 丁春

    2012-01-01

      Objective  To study the clinical and auditory characteristics of auditory neuropathy. Methods The clinic signs,pure tone audiometry,stapedial reflex, auditory brainstem response (ABR),40Hz auditory event related potential (40Hz AERP) and otoacoustic emissions(OAEs), and contralateral suppression of white noise. Results  The pure tone audiogram showed a sensor ineural hearing loss at low frequencies 250Hz.stapedial reflex was absent in 84 ears, and threshold elevated in 6 ears. Auditory brainstem responese can’t be recorded from wave I. 87 ears had normal 40Hz-AERP. all of the patients were evoked a distortion product OAE, which can’t be suppressed by contratateral while noise. Conclusion Lose of the pure tone threshold primarily in kow frequency SNHL unparalld pure tone threshold tispeech eudiomertry,abnormal ABR, normal EOAE, loss of stapedial acoustic reflex and OAE contra acoustic supperssionare are important feaioures of AN which shows thatlesionsd site may lie at the cochlear inter hair cells or acoustic nerve.%  目的探讨听神经病的临床与听力学特征.方法分析45例听神经病患者的临床资料、纯音听阈、声导抗测试、听性脑干反应ABR、40Hz-听觉相关电位、瞬态耳声发射和畸变产物耳声发射及对侧白噪声抑制试验的检查结果.结果纯音听阈示低频下降型感音神经性听力损失,以250Hz 处听力损失最重.声导抗鼓室图全部正常,镫骨肌声反射84耳未引出,6耳部分反射阈提高.ABR 波Ⅰ全部未引出.40Hz-听相关电位87耳正常引出,阈值升高.全部病例可记录到 OAE,不能被对侧噪声抑制,个别高频幅值 DPOAE 升高.结论听力图多为上升型,低频损失为主,EOAE 正常,而 ABR 严重异常,言语分辨力差与纯音听阈不成比例,镫骨肌声反射及 EOAE 交叉抑制异常,是听神经病的重要听功能特征.提示病变位于内毛细胞或听神经.

  13. 畸变产物耳声发射在船员听力调查中的应用%Application of distortion product otoacoustic emission to hearing investigation in the ship crew

    Institute of Scientific and Technical Information of China (English)

    潘丽宁; 吴小海; 冯小玲

    2009-01-01

    目的 探讨畸变产物耳声发射(DPOAE)在船员噪声性听力损伤诊断中的应用价值.方法 100名船员(其中噪声性耳聋组52人,听阈正常组48人)为实验组,另外50名听力正常人为对照组.对2组人员进行纯音听力测定和DPOAE检测,比较2组的听阈值和DPOAE幅值及引出率.结果 噪声性聋组与对照组比较,所有频区听阚值差异均有统计学意义(P<0.05),噪声性聋组DPOAE幅值和引出率较对照组明显下降(P<0.05),随着接触噪声工龄的延长,DPOAE引出率逐渐下降(P<0.05).听阈正常组DPOAE幅值和引出率也较对照组明显下降(P<0.05).结论 船员早期噪声性听力损伤纯音听阈可能正常,应用DPOAE可用于船员噪声性听力损伤的早期诊断和评估.%Objective To explore the application of the distortion product otoacoustic emission (DPOAE) in the diagnosis of noise-induced hearing damage for the ship crew.Methods The experimental group consisted of 100 crew members,among whom 52 had noise-induced hearing damage and 48 people had normal hearing thresholds.And another 50 people with normal hearing level were chosen as control.The two groups received acoustic emission,pure tone audiometry and DPOAE testing.Hearing thresholds,DPOAE amplitude and the provocation rate were compared between the two groups.Results Statistical differences could be noted in hearing thresholds in all frequency zones,when a comparison was made between the noise-induced hearing damage group and the control group ( P < 0.05 ).DPOAE amplitude and the provocation rate of the experimental group decreased significantly ( P < 0.05 ),when compared with those of the control group.With the extension of noise exposure,DPOAE provocation rate for the ship crew decreased ( P < 0.05 ).DPOAE amplitude and the provocation rate of the normal hearing level group also decreased more significantly than those of the control group (P < 0.05 ).Conclusions Pure-tone hearing threshold for the ship crew

  14. Dados clínicos e da audição em indivíduos com Síndrome de Alport Clinical data and hearing of individuals with Alport syndrome

    Directory of Open Access Journals (Sweden)

    Fatima Regina Abreu Alves

    2008-12-01

    Full Text Available A Síndrome de Alport (SA é uma desordem hereditária, caracterizada por nefropatia, muitas vezes, com perda auditiva sensorioneural e com defeitos oculares. OBJETIVO: Analisar os dados clínicos e da audição em indivíduos com SA, com ênfase na correlação entre alteração renal e perda auditiva (PA. FORMA DE ESTUDO: clínico prospectivo com coorte transversal. CASUÍSTICA E MÉTODO: 37 indivíduos realizaram avaliação otorrinolaringológica e testes audiológicos. Foram considerados para a análise estatística da PA os resultados das audiometrias de tons puros. RESULTADOS: Nos 28 indivíduos que apresentavam alterações clínicas foram encontrados 46,4% de DLX e 53,6% de AD. A PA ocorreu em 46,1% dos avaliados. 12 pacientes tinham PA no exame audiométrico 11,5%, leve e 34,6%, moderada. Comparados os familiares normais aos que tinham alteração renal, todos os que apresentavam PA mostravam comprometimento renal. Em 30,8% a configuração era descendente suave em agudos e em 11,5% era plana. CONCLUSÕES: A distribuição dos padrões de herança não coincide com o descrito na literatura. A PA é um achado extra-renal freqüente. Existe associação entre acometimento renal e PA (p= 0,009. As configurações mais freqüentes foram: descendente suave em agudos e plana. Não há associação entre a PA e a idade. Não existe correlação entre PA e sexo neste grupo.Alport Syndrome (AS is a hereditary disease, characterized by nephropathy, often times with sensorineural hearing loss and ocular defects. AIM: to analyze the clinical and hearing information from individuals with AS, more specifically the correlation between renal disorder and hearing loss (HL. STUDY DESIGN: clinical prospective with cross-sectional cohort. MATERIALS AND METHODS: 37 individuals underwent otorhinolaryngological evaluation and were submitted to audiologic tests. For HL statistical analysis we considered only the results from the pure tone audiometries

  15. Achados audiológicos e eletrofisiológicos de indivíduos com a síndrome G/BBB Auditory findings and electrophysiologics in individuals with G/BBB syndrome

    Directory of Open Access Journals (Sweden)

    Tatiana Vialôgo Cassab

    2011-12-01

    Full Text Available A síndrome G/BBB é uma condição rara, caracterizada por hipertelorismo, fissura de lábio e palato e hipospádia. Não foram encontrados trabalhos sobre a audição em indivíduos com esta síndrome. OBJETIVO: Investigar a função auditiva em pacientes com síndrome G/BBB quanto à ocorrência ou não de perda auditiva e a condução nervosa auditiva periférica e central. MATERIAL E MÉTODO: Catorze pacientes de 7 a 34 anos, do gênero masculino, com a síndrome G/BBB, foram avaliados por meio de otoscopia, audiometria, timpanometria e potenciais evocados auditivos de tronco encefálico (PEATE. Forma de Estudo: Estudo de série clínico prospectivo. RESULTADOS: Limiares audiométricos normais em 12 (66,7% pacientes da amostra e alterados em dois (33,3%, sendo um com perda condutiva e um neurossensorial. Quanto ao PEATE, foram encontrados: latências absolutas da onda I normais em todos os pacientes, aumento das latências absolutas da onda III e V em dois e seis pacientes respectivamente; latências interpicos I-III, III-V e I-V aumentadas em quatro, três e oito pacientes, respectivamente. CONCLUSÃO: Perdas auditivas periféricas podem ocorrer na síndrome G/BBB. Há evidências de comprometimento das vias auditivas centrais em nível do tronco encefálico. Estudos com exames de imagem são necessários para maior clareza dos achados clínicos.The G/BBB syndrome is a rare condition characterized by hypertelorism, cleft lip and palate, and hypospadias. No studies were found on the hearing of individuals with this syndrome. AIM: To investigate the auditory function in patients with G/BBB syndrome, such as the occurrence of hearing loss, and central and peripheral auditory nerve conduction. METHODS: Fourteen male patients aged 7-34 years with the G/BBB syndrome were assessed by otoscopy, audiometry, tympanometry and evoked auditory brainstem response (ABR. Model: A retrospective clinical series study. RESULTS: Audiometric thresholds were

  16. Perfil audiométrico de trabalhadores do distrito industrial de Maracanaú - CE Audiometric profile of Maracanaú's industrial district workers

    Directory of Open Access Journals (Sweden)

    Renata de Mesquita Teles

    2007-09-01

    the 47 (52,80% companies that authorized the study. The studied variables were: age range, total period of exposition to noise, auditory acuity status, type of hearing loss, hearing loss laterality and audiometric configuration suggestive of noise-induced hearing loss (NIHL in workers, economic activity trade and size of the company. RESULTS: It was observed that 19% of the studied population presented alterations, with predominance of sensory neural hearing loss (SNHL in 90.67% of the cases. In 12.71% of the population suggestive signs of noise-induced hearing loss (NIHL were observed, and in 71.77% of the population with SNHL there were signs of NIHL. Regarding laterality of the hearing loss, 39.09% was unilateral, from which 24.03% was on the left ear. CONCLUSION: Although the results do not represent the total prevalence of hearing loss in the District, they point out to the necessity not only to perform occupational audiometry, but also to longitudinally monitor the hearing of these workers as part of a hearing conservation program.

  17. Correlação entre dados audiométricos e mutação 35delG em dez pacientes Correlation between audiometric data and the 35delG mutation in ten patients

    Directory of Open Access Journals (Sweden)

    Vânia Belintani Piatto

    2007-12-01

    Full Text Available Mutações no gene da conexina 26 parecem ser extremamente comuns na gênese da surdez hereditária não-sindrômica, especialmente, a mutação 35delG, mas ainda há poucos estudos que descrevem as características audiométricas dos pacientes portadores dessas mutações. OBJETIVO: Analisar as características audiométricas em pacientes com mutações no gene da conexina 26 para se delinear uma correlação genótipo-fenótipo. CASUÍSTICA E MÉTODO: Foram avaliadas audiometrias tonal de 33 casos-índice com surdez sensorioneural não-sindrômica e de 8 familiares afetados. Testes moleculares específicos foram realizados para analisar mutações no gene da conexina 26. FORMA DE ESTUDO: Estudo de casos, retrospectivo, em corte transversal. RESULTADOS: Foram encontradas as prevalências de 27,3% da mutação 35delG nos casos-índice e de 12,5% nos familiares afetados. Em relação aos graus de perda, foram encontrados, 41,5% dos pacientes com grau profundo, 39,0% com grau grave e 19,5% com grau moderado com, os pacientes homozigotos e heterozigotos para 35delG, predominando nos graus moderado-grave. CONCLUSÃO: Estes resultados sugerem que os dados audiométricos, associados ao diagnóstico molecular para a surdez, permitiram delinear uma correlação genótipo-fenótipo em dez pacientes com a mutação 35delG. Mas é necessário estudo multicêntrico para se verificar a real expressão fenotípica na população brasileira relacionada à mutação 35delG.Mutations in the connexin 26 gene seem to be extremely common in non-syndromic hereditary deafness genesis, especially the 35delG, but there are still only a few studies that describe the audiometric characteristics of patients with these mutations. AIM: to analyze the audiometric characteristics of patients with mutations in the connexin 26 gene in order to outline genotype-phenotype correlation. MATERIALS AND METHODS: Tonal audiometries of 33 index cases of non-syndromic sensorineural

  18. Incidence of tinnitus in mp3 player users Incidência de zumbido em usuários de estéreos pessoais

    Directory of Open Access Journals (Sweden)

    Ricardo Rodrigues Figueiredo

    2011-06-01

    Full Text Available Exposure to loud noise is one of the main causes of tinnitus. AIM: To analyze the incidence of tinnitus in mp3 player users and non-users. MATERIAL AND METHOD: One hundred subjects aged from 15 to 30 years were enrolled, 54 of them were regular mp3 player users and 46 were not. Patients with continuous tinnitus for at least 6 months completed the Tinnitus Handicap Inventory (THI and were tested with high frequency audiometry and transient-evoked otoacoustic emissions (TAOE. STUDY DESIGN: A cross-sectional cohort study. RESULTS: The incidence of tinnitus in non-users was about 8 %; in mp3 player users it was about 28 %, a statistically significant difference. Hearing thresholds at 8kHz were significantly higher in tinnitus patients that used mp3 portable players.TAOE were reduced at 2 kHz in the users group. No statistically significant difference was found in the THI scores between the two groups. CONCLUSION: Tinnitus was more frequent in teenagers and young adults who regularly listen to mp3 music in players. Moreover, the incidence of tinnitus among mp3 player users was associated with higher hearing thresholds at 8 kHz and lower TOAE at 2 kHz.Uma das principais causas de zumbido é a exposição a ruído. OBJETIVO: Comparar a incidência de zumbido entre usuários e não usuários de estéreos pessoais. MATERIAL E MÉTODO: Cem indivíduos entre 15 e 30 anos foram recrutados, 54 deles usuários regulares de estéreos pessoais e 46 não-usuários. Pacientes com zumbido preencheram a versão validada para o português brasileiro do Tinnitus Handicap Inventory (THI. Todos foram submetidos à audiometria de altas frequências (AAF e otoemissões acústicas transientes (OEAT. DESENHO CIENTÍFICO: Estudo de coorte contemporânea com corte transversal. RESULTADOS: A incidência de zumbido entre os usuários de estéreos pessoais foi significativamente maior (aproximadamente 28% x 8%. Os limiares auditivos em 8 kHz foram maiores nos portadores de

  19. Aceitação de protetores auditivos pelos componentes de banda instrumental e vocal Acceptance of hearing protection aids in members of an instrumental and voice music band

    Directory of Open Access Journals (Sweden)

    Maria Helena Mendes

    2007-12-01

    Full Text Available Existem barreiras para a efetiva proteção auditiva entre músicos. OBJETIVO: Verificar a aceitação de protetor auditivo pelos componentes de banda instrumental e vocal. MATERIAL E MÉTODO: Estudo prospectivo realizado com a Banda Municipal de Indaial, em 2005. O grupo de estudo consistiu de 34 componentes. Os níveis de pressão sonora foram mensurados durante um ensaio. Os sujeitos responderam questionários e realizaram audiometria tonal. Os limiares tonais dos componentes da banda foram comparados a um grupo controle. Ministrado palestra e distribuído protetores auditivos por 3 meses. RESULTADOS: Os níveis de pressão sonora variaram de 96,4 dB(A a 106,9 dB(A. As maiores queixas foram: incômodo a sons 58,8% e zumbido 47%. Ao compararmos a mediana dos limiares auditivos dos músicos com o grupo controle observou-se diferença significativa à direita nas freqüências de 4 e 6 kHz, e à esquerda nas freqüências de 3, 4 e 6 kHz. 77,1% referiram que a música pode ocasionar prejuízo auditivo. 56,2% referiram não ter gostado do protetor, 43,7% referiram ter gostado. CONCLUSÃO: Os sujeitos têm a informação sobre o risco, mas não há prevenção em relação aos efeitos auditivos, sugerindo a necessidade de campanhas periódicas e legislação específica aos profissionais ligados à música.There are barriers to effective hearing protection among musicians. AIM: To investigate the acceptance of hearing protection aids in members of an instrumental and voice music band. MATERIAL AND METHOD: A prospective study of 34 members of the Municipal Indaial Band. Sound pressure levels were measured during a rehearsal, indicating mean levels ranging from 96.4 dB(A to 106.9 dB(A. Subjects answered questionnaires and underwent audiometry. They attended a lecture in which folders and hearing protection aids were provided; subjects were asked to try using the protectors for 3 months. RESULTS: At the end of the study period, 56.2% reported not

  20. Caracterização do zumbido em idosos e de possíveis transtornos relacionados Characterization of tinnitus in the elderly and its possible related disorders

    Directory of Open Access Journals (Sweden)

    Lidiane Maria de Brito Macedo Ferreira

    2009-04-01

    alone 83%;32,5% had emotional disorders, 31.8% had sleep disorders, 22.5% had difficulties concentration and 13.2% had social problems; 39% classified their tinnitus in moderate; 35% had intense tinnitus and 26% considered it a mild one: as to comorbidities: relation with neurotology symptoms and hypertension; as for associations with audiometry findings: descending, sensorineural and symmetrical curves prevailed. CONCLUSIONS: Tinnitus has a relevant impact on the lives of the elderly; there was no correlation between the level of hearing loss and the level of patient dissatisfaction caused by tinnitus; and presbycusis was the most common finding in the audiometric tests.

  1. Vertigo Imaging; Clinical Radiology'

    Directory of Open Access Journals (Sweden)

    Jalal Jalal Shokouhi

    2009-01-01

    ;' and anxiety in psychiatry. "n- Clinical differentiating of peripheral and central vestibular lesion should be done by separating harmonic and disharmonic vestibular syndrome. "n- Examination of the patient with vertigo '' laboratory and imaging'' "n•Electronystagmography "n•Video-oculography "n•Audiometry "n•BAEP "n•CT "n•MRI "n - Common cause of vertigo '' all by image '' "nPeripheral: Physiological '' motion sickness'', benign paroxysmal positional vertigo , vestibular neuronitis , labyrinthitis , meniere disease , perilymph fistula. "nCentral: Brain stem TIA/infarct , post. fossa tumors , M.sclerosis, syringobulbia ,Arnold -chiari , temporal lobe epilepsy and basilar migraine. "nOthers: Cardiac , GI , psycogenic , mediacations , anemia and  hypotension , toxin and drugs: "n''aminoglycoside antibiotics,anticonvulsants,salycilates , alcohol , sedatives , antihistamins , antidepressants '' , cervical spondylosis , sensory deprivation ''neuropathy , visual impairment '',anemia , hypoglycemia , orthostatic hypotension and hyperventilation.  

  2. 鼻镜指导下吸切器切除腺样体对儿童慢性鼻窦炎和分泌性中耳炎临床转归的影响分析%Effect of nasal endoscopic guidance on the clinical outcome in children with chronic sinusitis and secretory otitis media

    Institute of Scientific and Technical Information of China (English)

    刘栋; 管强

    2016-01-01

    目的 分析鼻镜指导下吸切器切除腺样体对儿童慢性鼻窦炎和分泌性中耳炎临床转归的影响.方法 选取2013年2月至2014年2月行手术治疗的腺样体肥大并发慢性鼻窦炎或分泌性中耳炎患儿36例作为研究对象,均在鼻镜指导下行腺样体切除术,并辅以药物治疗,术后随访3~6个月,观察所有患者的转归情况.结果 本研究患儿术后均无睡眠打鼾、张口呼吸症状及术后出血等;经鼻镜检查无咽鼓管损伤、腺样体残留、瘢痕形成及其他并发症发生;术后随访3~6个月,本研究患儿中有32例睡眠打鼾、鼻塞、张口呼吸消失,其余4例仍有轻度睡眠打鼾,但无张口呼吸症状;经纯音测试:显效28例,有效8例.结论 对并发慢性鼻窦炎和分泌性中耳炎的腺样体肥大患儿采取鼻镜指导下吸切器切除术可取得较好效果,属于一种安全、有效的手术方式,值得临床推广应用.%Objective To analyze the outcome of chronic sinusitis and secretory otitis media from nasal endoscopy guided resection of adenoid body in children.Methods Thirty-six children with chronic sinusitis or secretory otitis media were treated by surgical treatment of adenoid hypertrophy complicated with chronic sinusitis or secretory otitis media from February 2013 to February 2014.The children were treated by endoscopic resection with drug therapy,and the children were followed up for 3 to 6 months after surgery.Results In this group of children after operation,there was no sleep snoring,mouth breathing symptoms and postoperative bleeding or other normal;nasal endoscopy without injury of eustachian tube,residual adenoids,scar formation and other complications.Patients were followed up for 3 to 6 months,snoring,stuffy nose,mouth breathing disappeared in 32 children,the remaining 4 cases still had mild sleep snoring,but no respiratory symptoms of tension;the pure tone audiometry:markedlyeffective in 28 cases,effective in 8 cases

  3. Portadores de vitiligo: estudo das emissões otoacústicas e efeito de supressão A study on otoacoustic emissions and supression effects in patients with vitiligo

    Directory of Open Access Journals (Sweden)

    Rosanna Mariangela Giaffredo Angrisani

    2009-02-01

    Full Text Available Vitiligo é uma doença cutânea, caracterizada pela ausência da melanina, por destruição de melanócitos. OBJETIVO: Verificar a ocorrência de alteração auditiva em indivíduos com vitiligo. MÉTODO: Avaliação audiológica, pesquisa das emissões otoacústicas evocadas transientes e do efeito de supressão em estudo prospectivo de 24 pacientes com vitiligo. A faixa etária variou de 15 a 45 anos. RESULTADOS: 21 pacientes (87.5% apresentaram audiometria normal; dois apresentaram perda auditiva unilateral em freqüências altas e um apresentou perda coclear de grau moderado à esquerda. Destes 21 sujeitos, 66,7% tiveram ausência de emissões, sugerindo disfunção coclear. As emissões estiveram presentes em todas as bandas de freqüência em apenas 7 pacientes (29,2% e ausentes em 17 (70,8%, com maior ocorrência de falha no sexo masculino, na orelha direita. Na pesquisa da supressão, seis indivíduos falharam, todos do sexo feminino, sendo a orelha esquerda a mais afetada. CONCLUSÃO: Pela análise das emissões otoacústicas verificou-se que os portadores de vitiligo possuem maior predisposição à disfunção coclear, com maior ocorrência no sexo masculino na orelha direita. Quanto ao efeito de supressão, houve maior alteração no sistema eferente em mulheres, com maior ausência à esquerda. As alterações auditivas não diferiram quanto à idade, tipo de vitiligo e tempo de evolução da doença.Vitiligo is a skin disease characterized by absence of melanin due to melanocytes destruction. AIM: to study the incidence of hearing alterations in patients with vitiligo. METHOD: prospective audiological evaluation, transient-evoked otoacoustic emission recordings and study the effects of suppression in 24 patients with vitiligo. Their ages ranged from 15 to 45 years. RESULTS: 21 patients (87.5% had normal audiometry; 2 had unilateral hearing loss in the high frequencies and 1 had cochlear moderate hearing loss in the left ear. Of

  4. Síndrome de Goldenhar asociado a fisura labio alveolo palatina. Reporte de un caso.

    Directory of Open Access Journals (Sweden)

    Nayaret Soto

    2012-12-01

    provide adequate treatment. Case report: To the Service of Orthodontics, Las Higueras Hospital was derived a female patient, born on June 22th, 2012. Clinical diagnosis was cleft lip and full cracked palate with a GAP of 17mm, left and right macrostomia, malformed ears, epibulbar cyst in left eyeball, serie of oral papillomas and headphone level, apparently associating this condition to some kind of syndrome. It was made an acrylic plate for the patient can feed and initiates the treatment presurgical orthopedics. The mother recounts in the clinical History suffer diabetes, one of his sons has cognitive delay, not associated to syndrome. Imaging test shows mild hydrocephalus, jaw fully formation, normal audiometry. All changes are in facial area at the rest of the body is shown within normal parameters.Was performed a complete clinical and imaging examination and request help from geneticist, who collected all the facts confirm the presumptive diagnosis of Goldenhar syndrome.Many syndromes that manifest cleft palate are associated with genetic component, except that even Goldenhar syndrome of unknown cause.It is important to note that there are syndromes expressing varying degrees of severity of cracked palate to also give the patient a full treatment.

  5. Clinical observation of acute low frequency sensorineural hearing loss%急性低频感音神经性耳聋的临床观察

    Institute of Scientific and Technical Information of China (English)

    刘寒波; 彭增龙; 胡建平; 邓璟; 林湘如; 吴雄文; 黎可华

    2012-01-01

    目的 探讨急性低频感音神经性耳聋(acute low-tone sensorineural hearing loss,ALHL)的临床特点和疗效,提高对该疾病的诊断和认识.方法 回顾性分析62例ALHL患者的临床表现、听力学检查和治疗情况,总结其临床发展规律.结果 发病年龄以青中年为主,女性明显多于男性,多为单耳发病,表现为耳闷或伴耳鸣,听力下降,不伴眩晕,所有患者纯音听阈均表现为轻中度低频感音神经性耳聋,治疗前后分别为(38.71±6.82)dB和(20.56±9.44)dB,两者比较差异具有统计学意义(P<0.05).鼓室图“A”型,49例(80.9%)镫骨肌反射引出,40例(64.5%) Metz试验阳性,62例ABR均正常.62例患者治疗前DPOAE在0.5~1 kHz的引出率仅为18.7%,反应幅值明显降低,治疗后DPOAE在0.5 ~1 kHz的引出率提高至43.8%,幅值亦有所提高.结论 ALHL以突发的耳闷和(或)伴耳鸣为主要表现,常单耳发病,青中年女性为主,听力学定位诊断为蜗性聋,仅累及低频区,皮质类固醇激素治疗有较好的疗效.%Objective To investigate the clinical features and curative effect of the acute low - tone sensorineural hearing loss ( ALHL) , and to improve the diagnosis and understanding. Methods Retrospective analysis of 62 cases of the clinical manifestations of ALHL, audiological examination and treatment was carried out to sum up the clinical development pattern. Results The age of onset in young and middle-aged female dominated, significantly more than men, mostly single ear morbidity, symptoms of aural fullness or/with tinnitus, hearing loss, not all patients with vertigo, pure tone audiometry showed mild to moderate low frequency sensorineural hearing loss (38.71 ± 6. 82) dB and (20. 56 ± 9. 44 ) dB before and after treatment respectively. The difference was statistically significant ( P < 0. 05 ). Tympanogram was " A" type in 49 cases ( 80. 9% ) the siapedius reflex elicitated in 40 cases (64. 5% ) . Metz test was positive, ABR

  6. Analysis of Intratympanic Dexamethasone Injection Treatment for Refractory Sudden Sensorineural Hearing Loss Effect%鼓室内地塞米松注射治疗难治性突发性感音神经性聋的效果分析

    Institute of Scientific and Technical Information of China (English)

    刘秀娇

    2015-01-01

    目的:对难治性突发性感音神经性聋患者采用鼓室内地塞米松注射治疗的临床效果进行观察和分析。方法从我院2012年3月~2015年3月眼耳鼻科门诊收治的难治性突发性感音神经性聋患者中随机抽取26例进行研究,在行常规治疗无效后采用鼓室内地塞米松注射治疗,对患者的治疗方法和听力改善情况进行回顾性分析。结果治疗30天后,进行纯音测听结果为:有4例显效,听阈提高的平均值为48.5分贝;有5例有效,听阈提高的平均值为18.5分贝;有17例无效,本组治疗的总有效率为34.62%。结论采用鼓室内地塞米松注射方法治疗难治性突发性感音神经性聋可以促进药效的充分发挥,减小对患者的创伤,预防不良反应,有利于改善患者的听力状况。%Objective To observe and analyze the clinical effect of dexamethasone injection in the treatment of refractory sudden deafness. Methods 26 cases of refractory of sudden sexy sensorineural deafness patients was chosen for study in otolaryngology clinic in our hospital in March 2012 to March 2015, row refractory to conventional treatment by intratympanic dexamethasone injection in the treatment, the patient's treatment and hearing improvement were retrospectively analyzed. Results After 30 days of treatment, pure tone audiometry results:4 cases were cured, threshold was increased in the average of 48.5 dB, 5 cases were effective, improve the threshold average 18.5 dB, ineffective in 17 cases, the treatment group total efficiency was 34.62%. Conclusion By intratympanic dexamethasone injection in the treatment of refractory sudden sensorineural hearing loss can promote the efifcacy into full play, reduce the patient's trauma, prevention of adverse reactions, is conducive to improve the patient's hearing status.

  7. A habilidade de atenção auditiva sustentada em crianças com fissura labiopalatina e transtorno fonológico Sustained auditory attention ability in children with cleft lip and palate and phonological disorders

    Directory of Open Access Journals (Sweden)

    Tâmyne Ferreira Duarte de Moraes

    2011-12-01

    groups: GI (with phonological disorder and GII (absence of phonological disorder. Audiometry and tympanometry were carried out to detect hearing problems. To diagnose phonological disorder, the following instruments were used: Child Language Test, and Phonological Awareness: Instrument of Sequential Assessment. The ability of auditory attention was assessed using the Test of Sustained Auditory Attention Ability. RESULTS: From seven children with phonological disorder (41%, two (29% had altered results in the Test of Sustained Auditory Attention Ability. There was no difference between children with cleft lip and palate and phonological disorder and children with cleft lip and palate and absence of phonological disorder regarding the results of the Test of Sustained Auditory Attention Ability. CONCLUSION: The sustained auditory attention ability in children with cleft lip and palate and phonological disorder do not differ from the sustained auditory attention ability of children with cleft lip and palate without phonological disorder.

  8. 凯时注射液联合高压氧治疗突发性耳聋患者的疗效观察%Observation of curative effects of Kaishi injection combined with hyperbaric oxygen therapy in treatment of sudden deafness

    Institute of Scientific and Technical Information of China (English)

    王郁

    2016-01-01

    目的::观察凯时注射液联合高压氧治疗突发性耳聋患者的临床疗效。方法:以收治的80例突发性耳聋患者为研究对象,随机双盲法将其分为对照组和观察组,每组各40例。对照组患者采取常规治疗(即给予患者血管扩张剂、营养神经剂等);观察组患者在对照组基础上行凯时注射液联合高压氧治疗,比较两组患者治疗前后纯音听力水平。结果:观察组患者的治疗总有效率85.0%(34/40)高于对照组的65.0%(26/40),差异有统计学意义(P<0.05)。治疗后,观察组患者纯音测听气导为(29.1±2.0) dB明显低于对照组的(36.3±2.4) dB,差异有显著性(P<0.01)。结论:在常规治疗基础上,凯时注射液联合高压氧治疗突发性耳聋患者的疗效优于单纯常规治疗。%Objective:To observe clinical curative effects of Kaishi injection combined with hyperbaric oxygen therapy in treat-ment of sudden deafness. Methods:80 patients with sudden deafness were taken as the research objects and were divided into two groups by randomized double blind method with 40 cases in each group. The control group was treated with conventional therapy ( vaso-dilators and nerve nutrition agetns, etc. ) , while the experimental group with Kaishi injection combined with hyperbaric oxygen therapy based on the treatment of the control group. The pure tone hearing levels of the two groups before and after the treatment were com-pared. Results:The total effective rate of the experimental group was 85% (34/40), that of the control group was 65. 0% (26/40), and the difference was statistically significant (P<0. 05). The air conduction of pure tone audiometry of the experimental group after the treatment was