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Sample records for idiopathic parkinsons disease

  1. The clinical profile of idiopathic Parkinson's disease in a South ...

    African Journals Online (AJOL)

    The clinical profile of idiopathic Parkinson's disease in a South African hospital complex - the influence of ethnicity and gender. Marcelle Smith, Girish Modi. Abstract. Background Idiopathic Parkinson's Disease (IPD) has not been well studied in Black African populations. Data on the demographics, phenotype differences ...

  2. Sleepiness in Idiopathic REM Sleep Behavior Disorder and Parkinson Disease.

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    Arnulf, Isabelle; Neutel, Dulce; Herlin, Bastien; Golmard, Jean-Louis; Leu-Semenescu, Smaranda; Cochen de Cock, Valérie; Vidailhet, Marie

    2015-10-01

    To determine whether patients with idiopathic and symptomatic RBD were sleepier than controls, and if sleepiness in idiopathic RBD predicted earlier conversion to Parkinson disease. The Epworth Sleepiness Scale (ESS) and its determinants were compared at the time of a video-polysomnography for an RBD diagnosis in patients with idiopathic RBD, in patients with Parkinson disease, and in controls. Whether sleepiness at time of RBD diagnosis predicted an earlier conversion to neurodegenerative diseases was retrospectively analyzed in the followed-up patients. The 75 patients with idiopathic RBD were sleepier (ESS: 7.8 ± 4.6) at the time of RBD diagnosis than 74 age- and sex-matched controls (ESS: 5.0 ± 3.6, P sleep measures. Among the 69 patients with idiopathic RBD who were followed up for a median 3 years (1-15 years), 16 (23.2%) developed parkinsonism (n = 6), dementia (n = 6), dementia plus parkinsonism (n = 2), and multiple system atrophy (n = 2). An ESS greater than 8 at time of RBD diagnosis predicted a shorter time to phenoconversion to parkinsonism and dementia, from RBD onset, and from RBD diagnosis (when adjusted for age and time between RBD onset and diagnosis). Sleepiness is associated with idiopathic REM sleep behavior disorder and predicts more rapid conversion to parkinsonism and dementia, suggesting it is an early marker of neuronal loss in brainstem arousal systems. © 2015 Associated Professional Sleep Societies, LLC.

  3. Idiopathic Parkinson's disease: vocal and quality of life analysis

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    Luiza Furtado e Silva

    2012-09-01

    Full Text Available OBJECTIVE: To compare voice and life quality of male patients with idiopathic Parkinson's disease, with individuals without disease (Control Group. METHODS: A cross-sectional study that evaluated the voice of individuals with Parkinson's disease, the group was composed of 27 subjects, aged from 39 to 79 years-old (average 59.96. The Control Group was matched on sex and age. Participants underwent voice recording. Perceptual evaluation was made using GRBASI scale, which considers G as the overall degree of dysphonia, R as roughness, B as breathiness, A as asthenia, S as strain and I as instability. The acoustic parameters analyzed were: fundamental frequency, jitter, shimmer, and harmonic to noise ratio (NHR. For vocal self-perception analysis, we used the Voice Related Quality of Life protocol. RESULTS: Fundamental frequency and jitter presented higher values in the Parkinson's group. NHR values were higher in the Control Group. Perceptual analysis showed a deviation ranging. The vocal disorder self-perception demonstrated a worse impact on quality of life. CONCLUSIONS: Individuals with Parkinson's disease have an altered voice quality and a negative impact on quality of life.

  4. Dependency and transfer incomes in idiopathic Parkinson's disease

    DEFF Research Database (Denmark)

    Starhof, Charlotte Chrom; Anker, Niels; Henriksen, Tove

    2014-01-01

    INTRODUCTION: Idiopathic Parkinson's disease (IPD) is a progressive neurodegenerative disorder affecting approximately 1% of the population above 65 years of age. The aim of this study was to define the estimated Danish IPD population and to elucidate source of income and labour market affiliation......-supportive. In the working age range (18-64 years), 25% were employed and 10% enrolled in supported employment. Compared with the age-adjusted general population, twice as many IPD patients were outside the ordinary labour market and, furthermore, the proportion receiving anticipatory pension was increased threefold...

  5. Reduced sympathetic activity in idiopathic rapid-eye-movement sleep behavior disorder and Parkinson's disease

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    Sorensen, Gertrud Laura; Mehlsen, Jesper; Jennum, Poul

    2013-01-01

    More than 50% of patients with idiopathic REM sleep behavior disorder (iRBD) will develop Parkinson's disease or Lewy body dementia. In a previous study, we found attenuated heart rate responses in iRBD and Parkinson's disease patients during sleep. The current study aimed to evaluate heart rate...... variability further in order to identify possible changes in these components during wakefulness and sleep in patients with iRBD and Parkinson's disease....

  6. Objective and subjective analysis of women's voice with idiopathic Parkinson's disease

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    Riviana Rodrigues das Graças

    2012-07-01

    Full Text Available OBJECTIVE: To compare the voice quality of women with idiopathic Parkinson's disease and those without it. METHODS: An evaluation was performed including 19 female patients diagnosed with idiopathic Parkinson's disease, with an average age of 66 years, and 27 women with an average of 67 years-old in the Control Group. The assessment was performed by computed acoustic analysis and perceptual evaluation. RESULTS: Parkinson's disease patients presented moderate rough and unstable voice quality. The parameters of grade, roughness, and instability had higher scores in Parkinson's disease patients with statistically significant differences. Acoustic measures of Jitter and period perturbation quotient (PPQ significantly differ between groups. CONCLUSIONS: Parkinson's disease female individuals showed more vocal alterations compared to the Control Group, when both perceptual and acoustic evaluations were analyzed.

  7. Increased pulsatility index supports diagnosis of vascular parkinsonism versus idiopathic Parkinson's disease.

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    Caba, L M; Ferrairó, J I T; Torres, I M; Costa, J F V; Muñoz, R B; Martin, A L

    2017-12-29

    The diagnosis of vascular parkinsonism (VP) is based on a series of clinical criteria and neuroimaging findings. An increase in transcranial Doppler ultrasonography pulsatility index (PI) has been described as a frequent finding in patients with VP. We aimed to confirm this association and to determine the PI value with the highest sensitivity and specificity for diagnosis of VP. PI was determined in all patients admitted to Hospital Universitari i Politècnic La Fe due to parkinsonism between January 2012 and June 2016. We assessed the probability of having VP based on PI values in patients with a definite diagnosis of either VP or idiopathic Parkinson's disease (IPD). A ROC curve was created to determine the PI value with the highest sensitivity and specificity. We assessed a total of 146 patients with suspected parkinsonism; 54 (37%) were diagnosed with IPD and 15 (10%) with VP. Patients with VP were significantly older than those with IPD (mean age of 79 vs 68.5, P=.00144) and had a higher PI (median of 1.29 [IQR: 1.09-1.38] vs 0.96 [IQR: 0.89-1.16], P=.01328). In our sample, a PI of 1.09 conferred 84% sensitivity and 70% specificity. In our series, the PI was significantly higher in patients with VP than in those with IPD. We therefore support the use of transcranial Doppler ultrasonography for the initial assessment of elderly patients with akinetic-rigid syndrome. Copyright © 2017 Sociedad Española de Neurología. Publicado por Elsevier España, S.L.U. All rights reserved.

  8. Lifestyle, family history, and risk of idiopathic Parkinson disease

    DEFF Research Database (Denmark)

    Kenborg, Line; Lassen, Christina F.; Ritz, Beate

    2015-01-01

    The relationship between Parkinson disease (PD) and smoking has been examined in several studies, but little is known about smoking in conjunction with other behaviors and a family history of PD. Using unconditional logistic regression analysis, we studied individual and joint associations...

  9. Analysis of Parallel and Transverse Visual Cues on the Gait of Individuals with Idiopathic Parkinson's Disease

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    de Melo Roiz, Roberta; Azevedo Cacho, Enio Walker; Cliquet, Alberto, Jr.; Barasnevicius Quagliato, Elizabeth Maria Aparecida

    2011-01-01

    Idiopathic Parkinson's disease (IPD) has been defined as a chronic progressive neurological disorder with characteristics that generate changes in gait pattern. Several studies have reported that appropriate external influences, such as visual or auditory cues may improve the gait pattern of patients with IPD. Therefore, the objective of this…

  10. Effectiveness of acupuncture and bee venom acupuncture in idiopathic Parkinson's disease.

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    Cho, Seung-Yeon; Shim, So-Ra; Rhee, Hak Young; Park, Hi-Joon; Jung, Woo-Sang; Moon, Sang-Kwan; Park, Jung-Mi; Ko, Chang-Nam; Cho, Ki-Ho; Park, Seong-Uk

    2012-09-01

    This study aimed to explore the effectiveness of both acupuncture and bee venom acupuncture as adjuvant therapies for idiopathic Parkinson's disease. We recruited 43 adults with idiopathic Parkinson's disease who had been on a stable dose of antiparkinsonian medication for at least 1 month. They were randomly assigned to 1 of 3 groups: acupuncture, bee venom acupuncture, or control. All participants were assessed using the Unified Parkinson's Disease Rating Scale, the Parkinson's Disease Quality of Life Questionnaire, the Beck Depression Inventory, the Berg Balance Scale, and the time and number of steps required to walk 30 m. Treatment groups underwent stimulation of 10 acupuncture points using acupuncture or bee venom acupuncture twice a week for 8 weeks. The initial assessment was repeated at the completion of treatment. The control group did not receive any treatment. Participants in the bee venom acupuncture group showed significant improvement on the Unified Parkinson's Disease Rating Scale (total score, as well as parts II and III individually), the Berg Balance Scale, and the 30 m walking time. When compared to the control group, the bee venom acupuncture group experienced significantly greater improvement on the Unified Parkinson's Disease Rating Scale. In the acupuncture group, the Unified Parkinson's Disease Rating Scale (part III and total scores) and the Beck Depression Inventory showed significant improvement. The control group showed no significant changes in any outcome after 8 weeks. In this pilot study, both acupuncture and bee venom acupuncture showed promising results as adjuvant therapies for Parkinson's disease. Copyright © 2012 Elsevier Ltd. All rights reserved.

  11. Toxocara Seroprevalence in Patients with Idiopathic Parkinson's Disease: Chance Association or Coincidence?

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    Tuncay Çelik

    2013-01-01

    Full Text Available Most cases of idiopathic Parkinson disease (IPD are believed to be due to a combination of genetic and environmental factors. The purpose of this study is to investigate the relationship between toxocariasis and Parkinson disease (PD. Patients were selected from people who were admitted to the Movement Disorders Branch, Neurology Department of Elazığ University Faculty of Medicine Elazığ, Turkey. We studied specific IgG antibodies against Toxocara canis (T. canis in 50 patients with idiopathic Parkinson and 50 healthy volunteers. We investigated the clinical history of three patients infected with T. canis. We also studied specific IgG antibodies against Toxoplasma gondii in these groups. Antibodies anti-Toxocara canis were found in 3 idiopathic PD (6% (P=0.121 and antibody titer was not found in control. A patient had history of the presence of dog in current dog ownership. We did not detect any statistically significant association between T. canis and IPD. But, we believe that further comprehensive studies are required for understanding whether there is a causal relation between toxocariasis and PD. We didn’t find possible association between Toxoplasma gondii and IPD (P=0.617.

  12. Observations on sleep-disordered breathing in idiopathic Parkinson's disease.

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    Philipp O Valko

    Full Text Available BACKGROUND: This study has two main goals: 1. to determine the potential influence of dopaminergic drugs on sleep-disordered breathing (SDB in Parkinson's disease (PD and 2. to elucidate whether NREM and REM sleep differentially impact SDB severity in PD. METHODS: Retrospective clinical and polysomnographic study of 119 consecutive PD patients and comparison with age-, sex- and apnea-hypopnea-index-matched controls. RESULTS: SDB was diagnosed in 57 PD patients (48%. Apnea-hypopnea index was significantly higher in PD patients with central SDB predominance (n = 7; 39.3±16.7/h than obstructive SDB predominance (n = 50; 20.9±16.8/h; p = 0.003. All PD patients with central SDB predominance appeared to be treated with both levodopa and dopamine agonists, whereas only 56% of those with obstructive SDB predominance were on this combined treatment (p = 0.03. In the whole PD group with SDB (n = 57, we observed a significant decrease of apnea-hypopnea index from NREM to REM sleep (p = 0.02, while controls revealed the opposite tendency. However, only the PD subgroup with SDB and treatment with dopamine agonists showed this phenomenon, while those without dopamine agonists had a similar NREM/REM pattern as controls. CONCLUSIONS: Our findings suggest an ambiguous impact of dopamine agonists on SDB. Medication with dopamine agonists seems to enhance the risk of central SDB predominance. Loss of normal muscle atonia may be responsible for decreased SDB severity during REM sleep in PD patients with dopamine agonists.

  13. Rasagiline: a review of its use in the treatment of idiopathic Parkinson's disease.

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    Hoy, Sheridan M; Keating, Gillian M

    2012-03-26

    Rasagiline (Azilect®), a selective, irreversible, monoamine oxidase-B inhibitor, is available in the EU, the US and in several other countries worldwide, including Canada and Israel. It is indicated for the treatment of idiopathic Parkinson's disease as monotherapy or as adjunctive therapy to levodopa in patients [corrected]with end-of-dose fluctuations in the EU and for the treatment of adult patients with the signs and symptoms of idiopathic Parkinson's disease in the US. This article reviews the pharmacological properties, therapeutic efficacy and tolerability of rasagiline as monotherapy or as adjunctive therapy to levodopa in patients with Parkinson's disease. Oral rasagiline as monotherapy or as adjunctive therapy to levodopa was effective in the symptomatic treatment of adult patients with Parkinson's disease participating in double-blind, placebo-controlled, multinational studies. In patients with early Parkinson's disease, monotherapy with rasagiline 1 mg/day (recommended dosage) significantly slowed the rate of worsening (i.e. an increase in the Unified Parkinson's Disease Rating Scale [UPDRS] score) in the ADAGIO and TEMPO studies, with the results from the ADAGIO study for rasagiline 1 mg/day suggesting a slowing of clinical progression. However, at the higher dosage of 2 mg/day, rasagiline met the primary endpoint in the TEMPO study and the first, but not the second, of three hierarchical primary endpoints in the ADAGIO study. Compared with delayed-start rasagiline monotherapy, early initiation was associated with a slower long-term progression of the clinical signs and symptoms of Parkinson's disease in the TEMPO study. As adjunctive therapy to levodopa in the LARGO and PRESTO studies, rasagiline 0.5 and/or 1 mg/day significantly reduced the total daily 'off' time (primary efficacy endpoint) and significantly improved the Clinical Global Impression score, the UPDRS activities of daily living subscale score during 'off' time and the UPDRS

  14. Incidence of sarcopenia and dynapenia according to stage in patients with idiopathic Parkinson's disease.

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    Yazar, Tamer; Yazar, Hülya Olgun; Zayimoğlu, Emel; Çankaya, Soner

    2018-05-12

    In this study, the aim was to identify the incidence of sarcopenia and dynapenia according to disease stage among idiopathic Parkinson's disease (IPD) patients and collect data to illuminate precautions related to reducing the disease load. The study was completed with 166 patients divided by stage according to modified Hoehn and Yahr (HYR) criteria and 249 healthy volunteers aged from 18 to 39 and 68 to 75 years met the inclusion criteria. In our prospective and cross-sectional study, patients with IPD according to "UK Brain Bank" diagnostic criteria had the Unified Parkinson's Disease Rating Scale (UPDRS) and HYR scales applied. The patient and control groups had skeletal muscle mass index (SMMI), muscle power, and physical performance assessed. Diagnosis of sarcopenia used the European Working Group on Sarcopenia in Older People (EWGSOP) diagnostic criteria. In our study, in parallel with the increase in disease stage among IPD patients, the incidence of sarcopenia (led by severe sarcopenia) and dynapenia was high compared to that among the control group of the same age. In the early stages of chronic progressive diseases like IPD, identification of sarcopenia and dynapenia is important considering the limitations of disease-preventive effects in treatments applied after diagnosis.

  15. Basal ganglia dysfunction in idiopathic REM sleep behaviour disorder parallels that in early Parkinson's disease.

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    Rolinski, Michal; Griffanti, Ludovica; Piccini, Paola; Roussakis, Andreas A; Szewczyk-Krolikowski, Konrad; Menke, Ricarda A; Quinnell, Timothy; Zaiwalla, Zenobia; Klein, Johannes C; Mackay, Clare E; Hu, Michele T M

    2016-08-01

    SEE POSTUMA DOI101093/AWW131 FOR A SCIENTIFIC COMMENTARY ON THIS ARTICLE: Resting state functional magnetic resonance imaging dysfunction within the basal ganglia network is a feature of early Parkinson's disease and may be a diagnostic biomarker of basal ganglia dysfunction. Currently, it is unclear whether these changes are present in so-called idiopathic rapid eye movement sleep behaviour disorder, a condition associated with a high rate of future conversion to Parkinson's disease. In this study, we explore the utility of resting state functional magnetic resonance imaging to detect basal ganglia network dysfunction in rapid eye movement sleep behaviour disorder. We compare these data to a set of healthy control subjects, and to a set of patients with established early Parkinson's disease. Furthermore, we explore the relationship between resting state functional magnetic resonance imaging basal ganglia network dysfunction and loss of dopaminergic neurons assessed with dopamine transporter single photon emission computerized tomography, and perform morphometric analyses to assess grey matter loss. Twenty-six patients with polysomnographically-established rapid eye movement sleep behaviour disorder, 48 patients with Parkinson's disease and 23 healthy control subjects were included in this study. Resting state networks were isolated from task-free functional magnetic resonance imaging data using dual regression with a template derived from a separate cohort of 80 elderly healthy control participants. Resting state functional magnetic resonance imaging parameter estimates were extracted from the study subjects in the basal ganglia network. In addition, eight patients with rapid eye movement sleep behaviour disorder, 10 with Parkinson's disease and 10 control subjects received (123)I-ioflupane single photon emission computerized tomography. We tested for reduction of basal ganglia network connectivity, and for loss of tracer uptake in rapid eye movement sleep

  16. Three dimensional cerebral blood flow in patients with idiopathic Parkinson's disease

    International Nuclear Information System (INIS)

    Hata, Takashi

    1987-01-01

    Three dimensional local cerebral blood flow values were measured in 28 patients with idiopathic Parkinson's disease without dementia and 17 control subjects, by means of xenon enhanced CT method using low concentration cold xenon and autoradiographic strategy. The results demonstrated that local cerebral perfusion in the patients with Parkinson's disease decreased with close correlations with aging and severity of the clinical symptoms and signs. Stepwise multiregression analysis revealed that mean CBF values and 1-CBF values through thalamus and white matter decreased primarily depending on aging and degree of brain atrophy, whereas 1-CBF values through basal ganglia decreased depending on severity of disease. The spatial distributions of 1-CBF were maintained normally and symmetrically even in the severely affected cases or in those with hemiparkinsonism, therefore hyperfrontalities were well preserved in all of the patients. Acute intravenous administration of L-DOPA gave rise to a diffuse increase in 1-CBF only in the patients and the increment was more prominent in patients severely affected than in those mildly affected. It was concluded that reduction of 1-CBF in the basal ganglia and cortex may be attributed to hypometabolism in the mesostriatal and mesocortical dopaminergic system. (author)

  17. Three dimensional cerebral blood flow in patients with idiopathic Parkinson's disease

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    Hata, Takashi

    1987-07-01

    Three dimensional local cerebral blood flow values were measured in 28 patients with idiopathic Parkinson's disease without dementia and 17 control subjects, by means of xenon enhanced CT method using low concentration cold xenon and autoradiographic strategy. The results demonstrated that local cerebral perfusion in the patients with Parkinson's disease decreased with close correlations with aging and severity of the clinical symptoms and signs. Stepwise multiregression analysis revealed that mean CBF values and 1-CBF values through thalamus and white matter decreased primarily depending on aging and degree of brain atrophy, whereas 1-CBF values through basal ganglia decreased depending on severity of disease. The spatial distributions of 1-CBF were maintained normally and symmetrically even in the severely affected cases or in those with hemiparkinsonism, therefore hyperfrontalities were well preserved in all of the patients. Acute intravenous administration of L-DOPA gave rise to a diffuse increase in 1-CBF only in the patients and the increment was more prominent in patients severely affected than in those mildly affected. It was concluded that reduction of 1-CBF in the basal ganglia and cortex may be attributed to hypometabolism in the mesostriatal and mesocortical dopaminergic system.

  18. Associations of specific psychiatric disorders with isolated focal dystonia, and monogenic and idiopathic Parkinson's disease.

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    Steinlechner, Susanne; Hagenah, Johann; Rumpf, Hans-Jürgen; Meyer, Christian; John, Ulrich; Bäumer, Tobias; Brüggemann, Norbert; Kasten, Meike; Münchau, Alexander; Klein, Christine; Lencer, Rebekka

    2017-06-01

    Comorbidity of psychiatric disorders in patients with movement disorders is common. Often, psychiatric symptoms manifest before the onset of the movement disorder, thus not representing a mere reaction to its burden. How the disease mechanisms of psychiatric and movement disorders are related is still poorly understood. The aim of the present study was to compare prevalence rates of specific psychiatric disorders between different movement disorders including isolated focal dystonia (IFD, N = 91), monogenic Parkinson's disease (PD, N = 41), idiopathic PD (N = 45), and a sample from a Northern Germany general population (TACOS Study; N = 4075). Our results indicate an odds ratio (OR) of 2.6 [confidence interval (CI) 1.7-4.0] for general axis I disorders in IFD, an OR of 2.5 (CI 1.4-4.7) in monogenic PD, and an OR of 1.4 (CI 0.8-2.6) in idiopathic PD. More specifically, the monogenic PD group showed the highest ORs for affective disorders including depression (OR = 4.9), bipolar disorder (OR = 17.4), and hypomanic episodes (OR = 17.0), whereas IFD expressed the highest rates of anxiety disorders (OR = 3.3). Psychotic symptoms were only observed in the PD groups but not in IFD. Our findings underline the notion that psychiatric disorders are part of the phenotypic spectrum of movement disorders. Moreover, they suggest that IFD, monogenic PD, and idiopathic PD are associated with specific psychiatric disorders indicating disturbances in a different neural circuitry for sensorimotor control.

  19. Genetic analysis of SCA2, 3 and 17 in idiopathic Parkinson's disease.

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    Lim, S W; Zhao, Y; Chua, E; Law, H Y; Yuen, Y; Pavanni, R; Wong, M C; Ng, I S; Yoon, C S; Puong, K Y; Lim, S H; Tan, E K

    2006-07-31

    Recent reports of SCA2 and SCA3 patients who presented with levodopa responsive parkinsonism have generated considerable interest as they have implications for genetic testing. It is unclear whether ethnic race alone or founder effects within certain geographical region explain such an association. In this study, we conducted genetic analysis of SCA2, 3, 17 in an ethnic Chinese cohort with early onset and familial Parkinson's disease (PD) and healthy controls. A total of 191 subjects comprising of 91 PD and 100 healthy controls were examined. We identified one positive case of SCA2 in an early-onset sporadic PD patient who had CAG 36 repeats, yielding a prevalence of 2.2% in early-onset sporadic PD patients and less than 1.0% in our study PD population. The size of the repeats was lower than the expanded repeats (38-57) in SCA2 patients with ataxia in our population. All the children of the patient were physically normal even though some of them carried the repeat expansion of similar size. No cases and controls were positive for SCA3 and SCA17. We do not think routine screening of SCA2, SCA3 and SCA17 for all idiopathic PD patients is cost-effective in our ethnic Chinese population. However, SCA2 should be a differential diagnosis in young onset sporadic PD when genetic mutations of other known PD genes have been excluded.

  20. Regional brain stem atrophy in idiopathic Parkinson's disease detected by anatomical MRI.

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    Thomas Jubault

    Full Text Available Idiopathic Parkinson's disease (PD is a neurodegenerative disorder characterized by the dysfunction of dopaminergic dependent cortico-basal ganglia loops and diagnosed on the basis of motor symptoms (tremors and/or rigidity and bradykinesia. Post-mortem studies tend to show that the destruction of dopaminergic neurons in the substantia nigra constitutes an intermediate step in a broader neurodegenerative process rather than a unique feature of Parkinson's disease, as a consistent pattern of progression would exist, originating from the medulla oblongata/pontine tegmentum. To date, neuroimaging techniques have been unable to characterize the pre-symptomatic stages of PD. However, if such a regular neurodegenerative pattern were to exist, consistent damages would be found in the brain stem, even at early stages of the disease. We recruited 23 PD patients at Hoenn and Yahr stages I to II of the disease and 18 healthy controls (HC matched for age. T1-weighted anatomical scans were acquired (MPRAGE, 1 mm3 resolution and analyzed using an optimized VBM protocol to detect white and grey matter volume reduction without spatial a priori. When the HC group was compared to the PD group, a single cluster exhibited statistical difference (p<0.05 corrected for false detection rate, 4287 mm3 in the brain stem, between the pons and the medulla oblongata. The present study provides in-vivo evidence that brain stem damage may be the first identifiable stage of PD neuropathology, and that the identification of this consistent damage along with other factors could help with earlier diagnosis in the future. This damage could also explain some non-motor symptoms in PD that often precede diagnosis, such as autonomic dysfunction and sleep disorders.

  1. Clinical Significance of F 18 FP CIT Dual Time Point PET Imaging in Idiopathic Parkinson's Disease

    International Nuclear Information System (INIS)

    Oh, Jin Kyoung; Yoo, Ik Dong; Seo, Ye Young; Chung, Youg An; Yoo, Ie Ryung; Kim, Sung Hoon; Song, In Uk

    2011-01-01

    The purpose of this study was to investigate the diagnostic value of dual time point F 18 FP CIT PET imaging in idiopathic Parkinson's disease (PD). Twenty four patients with PD (mean age 69.6) and 18 healthy people (mean age 70.26) underwent two sequential PET/CT scans (dual time point imaging) at 90 and 210 min after F 18 FP CIT injection. Tracer activity of region of interest was measured in the caudate, putamen and a reference region in the brain from both time points. The outcome parameter was the striatooccipital ratio (SOR). Normal SOR values were obtained in the control group. The percent change in tracer activity between 90 and 210 min images was calculated. The SOR values and the percent change in tracer activity were compared between the patients and healthy control group. The SOR values for the caudate, anterior and posterior putamen at both 90 and 210 min images were significantly reduced in the patients with PD. The lowest P value was obtained for the anterior and posterior putamen (p<0.001) at both time points. There were significant differences of the percent change in tracer activity for the anterior and posterior putamen in the two groups (p=0.01) F 18 FP CIT PET scans at 90 and 210 min after injection are both able to diagnose PD. Therefore, the 90 min image by itself in sufficient for diagnosing PD.

  2. Arterial spin labelling reveals prolonged arterial arrival time in idiopathic Parkinson's disease.

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    Al-Bachari, Sarah; Parkes, Laura M; Vidyasagar, Rishma; Hanby, Martha F; Tharaken, Vivek; Leroi, Iracema; Emsley, Hedley C A

    2014-01-01

    Idiopathic Parkinson's disease (IPD) is the second most common neurodegenerative disease, yet effective disease modifying treatments are still lacking. Neurodegeneration involves multiple interacting pathological pathways. The extent to which neurovascular mechanisms are involved is not well defined in IPD. We aimed to determine whether novel magnetic resonance imaging (MRI) techniques, including arterial spin labelling (ASL) quantification of cerebral perfusion, can reveal altered neurovascular status (NVS) in IPD. Fourteen participants with IPD (mean ± SD age 65.1 ± 5.9 years) and 14 age and cardiovascular risk factor matched control participants (mean ± SD age 64.6 ± 4.2 years) underwent a 3T MRI scan protocol. ASL images were collected before, during and after a 6 minute hypercapnic challenge. FLAIR images were used to determine white matter lesion score. Quantitative images of cerebral blood flow (CBF) and arterial arrival time (AAT) were calculated from the ASL data both at rest and during hypercapnia. Cerebrovascular reactivity (CVR) images were calculated, depicting the change in CBF and AAT relative to the change in end-tidal CO2. A significant (p = 0.005) increase in whole brain averaged baseline AAT was observed in IPD participants (mean ± SD age 1532 ± 138 ms) compared to controls (mean ± SD age 1335 ± 165 ms). Voxel-wise analysis revealed this to be widespread across the brain. However, there were no statistically significant differences in white matter lesion score, CBF, or CVR between patients and controls. Regional CBF, but not AAT, in the IPD group was found to correlate positively with Montreal cognitive assessment (MoCA) scores. These findings provide further evidence of alterations in NVS in IPD.

  3. Elevated GM3 plasma concentration in idiopathic Parkinson's disease: A lipidomic analysis.

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    Robin B Chan

    Full Text Available Parkinson's disease (PD is a common neurodegenerative disease whose pathological hallmark is the accumulation of intracellular α-synuclein aggregates in Lewy bodies. Lipid metabolism dysregulation may play a significant role in PD pathogenesis; however, large plasma lipidomic studies in PD are lacking. In the current study, we analyzed the lipidomic profile of plasma obtained from 150 idiopathic PD patients and 100 controls, taken from the 'Spot' study at Columbia University Medical Center in New York. Our mass spectrometry based analytical panel consisted of 520 lipid species from 39 lipid subclasses including all major classes of glycerophospholipids, sphingolipids, glycerolipids and sterols. Each lipid species was analyzed using a logistic regression model. The plasma concentrations of two lipid subclasses, triglycerides and monosialodihexosylganglioside (GM3, were different between PD and control participants. GM3 ganglioside concentration had the most significant difference between PD and controls (1.531±0.037 pmol/μl versus 1.337±0.040 pmol/μl respectively; p-value = 5.96E-04; q-value = 0.048; when normalized to total lipid: p-value = 2.890E-05; q-value = 2.933E-03. Next, we used a collection of 20 GM3 and glucosylceramide (GlcCer species concentrations normalized to total lipid to perform a ROC curve analysis, and found that these lipids compare favorably with biomarkers reported in previous studies (AUC = 0.742 for males, AUC = 0.644 for females. Our results suggest that higher plasma GM3 levels are associated with PD. GM3 lies in the same glycosphingolipid metabolic pathway as GlcCer, a substrate of the enzyme glucocerebrosidase, which has been associated with PD. These findings are consistent with previous reports implicating lower glucocerebrosidase activity with PD risk.

  4. Immediate effects of thermal-tactile stimulation on timing of swallow in idiopathic Parkinson's disease.

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    Regan, Julie

    2012-02-01

    Oropharyngeal dysphagia frequently presents in people with idiopathic Parkinson\\'s disease (IPD). Clinical sequelae of dysphagia in this group include weight loss and aspiration pneumonia, the latter of which is the leading cause of hospital admissions and death in IPD. Thermal-tactile stimulation (TTS) is a sensory technique whereby stimulation is provided to the anterior faucial pillars to speed up the pharyngeal swallow. The effects of TTS on swallowing have not yet been investigated in IPD. The aim of this study was to investigate the immediate effects of TTS on the timing of swallow in a cohort of people with IPD and known oropharyngeal dysphagia. Thirteen participants with IPD and known dysphagia attended for videofluoroscopy during which standardised volumes of liquid barium and barium paste were administered preceding and immediately subsequent to TTS. The immediate effects of TTS on swallowing were examined using oral, pharyngeal, and total transit times and pharyngeal delay times as outcome measures. TTS significantly reduced median pharyngeal transit time on fluids (0.20 s, 95% CI = 0.12-0.28, p = 0.004) and on paste (0.3 s, 95% CI = 0.08-0.66, p = 0.01). Median total transit time was also reduced on fluids (0.48 s, 95% CI = 0.00-1.17, p = 0.049) and on paste (0.52 s, 95% CI = 0.08-1.46, p = 0.033). Median pharyngeal delay time was reduced on fluids (0.20 s, 95% CI = 0.12-0.34, p = 0.002). TTS did not significantly alter median oral transit time on either fluid or paste consistency. TTS significantly reduced temporal measures of the pharyngeal phase of swallowing in the IPD population. Significant results may be attributed to the role of sensory stimulation in improving motor function in IPD, with emphasis on the impaired glossopharyngeal and vagus nerves in this population. It is still unclear whether these findings will translate into a clinically beneficial effect.

  5. Voice- and swallow-related quality of life in idiopathic Parkinson's disease.

    Science.gov (United States)

    van Hooren, Michel R A; Baijens, Laura W J; Vos, Rein; Pilz, Walmari; Kuijpers, Laura M F; Kremer, Bernd; Michou, Emilia

    2016-02-01

    This study explores whether changes in voice- and swallow-related QoL are associated with progression of idiopathic Parkinson's disease (IPD). Furthermore, it examines the relationship between patients' perception of both voice and swallowing disorders in IPD. Prospective clinical study, quality of life (QoL). One-hundred mentally competent IPD patients with voice and swallowing complaints were asked to answer four QoL questionnaires (Voice Handicap Index, MD Anderson Dysphagia Inventory, Visual Analog Scale [VAS] voice, and Dysphagia Severity Scale [DSS]). Differences in means for the QoL questionnaires and their subscales within Hoehn and Yahr stage groups were calculated using one-way analysis of variance. The relationship between voice- and swallow-related QoL questionnaires was determined with the Spearman correlation coefficient. Scores on both voice and swallow questionnaires suggest an overall decrease in QoL with progression of IPD. A plateau in QoL for VAS voice and the DSS was seen in the early Hoehn and Yahr stages. Finally, scores on voice-related QoL questionnaires were significantly correlated with swallow-related QoL outcomes. Voice- and swallow-related QoL decreases with progression of IPD. A significant association was found between voice- and swallow-related QoL questionnaires. Healthcare professionals can benefit from voice- and swallow-related QoL questionnaires in a multidimensional voice- or swallow-assessment protocol. The patient's perception of his/her voice and swallowing disorders and its impact on QoL in IPD should not be disregarded. 2b. © 2015 The American Laryngological, Rhinological and Otological Society, Inc.

  6. Colonic Oxidative and Mitochondrial Function in Parkinson's Disease and Idiopathic REM Sleep Behavior Disorder.

    Science.gov (United States)

    Morén, C; González-Casacuberta, Í; Navarro-Otano, J; Juárez-Flores, D; Vilas, D; Garrabou, G; Milisenda, J C; Pont-Sunyer, C; Catalán-García, M; Guitart-Mampel, M; Tobías, E; Cardellach, F; Valldeoriola, F; Iranzo, A; Tolosa, E

    2017-01-01

    To determine potential mitochondrial and oxidative alterations in colon biopsies from idiopathic REM sleep behavior disorder (iRBD) and Parkinson's disease (PD) subjects. Colonic biopsies from 7 iRBD subjects, 9 subjects with clinically diagnosed PD, and 9 healthy controls were homogenized in 5% w/v mannitol. Citrate synthase (CS) and complex I (CI) were analyzed spectrophotometrically. Oxidative damage was assessed either by lipid peroxidation, through malondialdehyde and hydroxyalkenal content by spectrophotometry, or through antioxidant enzyme levels of superoxide dismutase-2 (SOD2), glutathione peroxidase-1 (Gpx1), and catalase (CAT) by western blot. The presence of mitochondrial DNA (mtDNA) deletions was assessed by long PCR and electrophoresis. Nonsignificant trends to CI decrease in both iRBD (45.69 ± 18.15; 23% decrease) and PD patients (37.57 ± 12.41; 37% decrease) were found compared to controls (59.51 ± 12.52, p : NS). Lipid peroxidation was maintained among groups (iRBD: 27.46 ± 3.04, PD: 37.2 ± 3.92, and controls: 31.71 ± 3.94; p : NS). Antioxidant enzymes SOD2 (iRBD: 2.30 ± 0.92, PD: 1.48 ± 0.39, and controls: 1.09 ± 0.318) and Gpx1 (iRBD 0.29 ± 0.12, PD: 0.56 ± 0.33, and controls: 0.38 ± 0.16) did not show significant differences between groups. CAT was only detected in 2 controls and 1 iRBD subject. One iRBD patient presented a single mtDNA deletion.

  7. Measuring the progression of idiopathic Parkinson's disease with [123I] β-CIT SPECT

    International Nuclear Information System (INIS)

    Staffen, W.; Mair, A.; Unterrainer, J.; Trinka, E.; Ladurner, G.

    2000-01-01

    Idiopathic Parkinson's disease (PD) is the most common neuro degenerative disorder. An important step in diagnosing the disease has been achieved with the development of the cocaine derivative [ 123 I] β-CIT for single photon emission computed tomography (SPECT). The aim of this study was to demonstrate the disease progression by repeated measuring presynaptic dopamine transporter density and relating it to clinical data. The presynaptic dopamine, transporter density of 15 PD patients was measured two times with a mean interval of 15 months. All patients were clinically assessed at the time of the experiments according to the classification scheme of Hoehn and Yahr. 11 healthy volunteers were used as a control group. [ 123 I] β-CIT was injected intravenously and measured with a triple-headed camera twenty hours later. The pictures were evaluated semi quantitatively by using the ratio of specific to non-displaceable binding. Presynaptic dopamine transporter density differed significantly between controls and PD patients. A significant correlation between imaging data and clinical stages (H/Y I 27 %, H/Y II -40 %, H/Y III 58 %) was observed for the patient group in the initial experiment. The subsequent decrease of dopamine transporter binding depended on the initial clinical stage (H/Y I -6.81 %; H/Y II -6.05 %; H/Y III -1.25 %) of the patients, and regression analysis revealed that. 91.4 % of the variance of the second measurement were predicted by the initial measurement. No correlations were found for age, gender and disease progression. All patients were treated with L-DOPA and those given a higher dose showed a more rapid decrease of dopamine transporter density. This result could be interpreted as an indication for in vivo neurotoxicity of high concentrations of L-DOPA. We conclude that combining [ 123 I] β-CIT with SPECT imaging is not only a powerful tool for diagnosing PD patients, but may also be used to demonstrate neuro degeneration in vivo. (author)

  8. Safety and Efficacy Study of VY-AADC01 for Advanced Parkinson's Disease

    Science.gov (United States)

    2018-02-27

    Idiopathic Parkinson's Disease; Parkinson's Disease; Basal Ganglia Disease; Brain Diseases; Central Nervous System Diseases; Movement Disorders; Nervous System Diseases; Neurodegenerative Diseases; Parkinsonian Disorders

  9. The skin in Parkinson's disease.

    Science.gov (United States)

    Flint, A

    1977-09-01

    The characteristic oily skin in individuals with parkinsonism has long been observed by clinicians. The oiliness seems to be associated with periods when the disease is most active. This seborrhea has been observed particularly in post-encephalitic parkinsonism, as well as in idiopathic paralysis agitans. It also occurs in phenothiazine-induced parkinsonism.

  10. Immediate effects of thermal-tactile stimulation on timing of swallow in idiopathic Parkinson's disease.

    Science.gov (United States)

    Regan, Julie; Walshe, Margaret; Tobin, W Oliver

    2010-09-01

    Oropharyngeal dysphagia frequently presents in people with idiopathic Parkinson's disease (IPD). Clinical sequelae of dysphagia in this group include weight loss and aspiration pneumonia, the latter of which is the leading cause of hospital admissions and death in IPD. Thermal-tactile stimulation (TTS) is a sensory technique whereby stimulation is provided to the anterior faucial pillars to speed up the pharyngeal swallow. The effects of TTS on swallowing have not yet been investigated in IPD. The aim of this study was to investigate the immediate effects of TTS on the timing of swallow in a cohort of people with IPD and known oropharyngeal dysphagia. Thirteen participants with IPD and known dysphagia attended for videofluoroscopy during which standardised volumes of liquid barium and barium paste were administered preceding and immediately subsequent to TTS. The immediate effects of TTS on swallowing were examined using oral, pharyngeal, and total transit times and pharyngeal delay times as outcome measures. TTS significantly reduced median pharyngeal transit time on fluids (0.20 s, 95% CI = 0.12-0.28, p = 0.004) and on paste (0.3 s, 95% CI = 0.08-0.66, p = 0.01). Median total transit time was also reduced on fluids (0.48 s, 95% CI = 0.00-1.17, p = 0.049) and on paste (0.52 s, 95% CI = 0.08-1.46, p = 0.033). Median pharyngeal delay time was reduced on fluids (0.20 s, 95% CI = 0.12-0.34, p = 0.002). TTS did not significantly alter median oral transit time on either fluid or paste consistency. TTS significantly reduced temporal measures of the pharyngeal phase of swallowing in the IPD population. Significant results may be attributed to the role of sensory stimulation in improving motor function in IPD, with emphasis on the impaired glossopharyngeal and vagus nerves in this population. It is still unclear whether these findings will translate into a clinically beneficial effect.

  11. Survey of Saccadic Parameters Using Videonystagmography in Patients with Idiopathic Parkinson's Disease and Normal Subjects

    Directory of Open Access Journals (Sweden)

    Reza Hosseinabadi

    2008-06-01

    Full Text Available Background and Aim: Patients with Parkinson’s disease manifest oculomotor abnormalities. This is the consequence of basal ganglia impairment. The most common abnormalities include increased saccade latency, hypometric saccades and decreased saccade velocity. The purpose of this study was comparison of saccadic parameters using videonystagmography in patients with idiopathic Parkinson’s disease and normal subjects.Materials and Methods: In this cross sectional study, saccadic movements were investigated in thirty patients with idiopathic Parkinson’s disease and thirty age matched subjects were 35-70 years old. Saccade latency, velocity and accuracy were quantitatively analyzed. Results: Results of this study indicated increased saccade latency, reduction of saccade velocity and accuracy in patients with Parkinson’s disease(P<0.001.Conclusion: This study showed that patients with Parkinson’s disease manifest saccadic deficits. This suggests dopaminergic control of these ocular movements.

  12. Depression and quality of life in monogenic compared to idiopathic, early-onset Parkinson's disease

    DEFF Research Database (Denmark)

    Kasten, Meike; Kertelge, Lena; Tadic, Vera

    2012-01-01

    , and 44% of manifesting carriers of mutations in PD genes, but was rare in the nonmanifesting carriers (7%) and healthy controls (5%). Subjects with Parkinson-associated depression reported fewer feelings of guilt or self-doubt than treated controls, but the occurrence of suicidal ideation was associated......Quality of life (QoL) is decreased in PD and is linked with depression and anxiety. However, little is known about QoL in monogenic PD. Subjects with mutations in PD genes were recruited from ongoing family and genetic studies (manifesting carriers, n = 23; nonmanifesting carriers, n = 19......). For comparison purposes, we included patients with idiopathic PD (IPD; n = 128; early onset, n = 38; late onset, n = 90), healthy controls (n = 127), and data on depressive symptoms of 144 patients with major depression (treated controls). Depression affected 31% of early-onset PD cases, 21% of late-onset cases...

  13. The Expression of DJ-1 (PARK7) in Normal Human CNS and Idiopathic Parkinson's Disease

    Science.gov (United States)

    Bandopadhyay, Rina; Kingsbury, Ann E.; Cookson, Mark R.; Reid, Andrew R.; Evans, Ian M.; Hope, Andrew D.; Pittman, Alan M.; Lashley, Tammaryn; Canet-Aviles, Rosa; Miller, David W.; McLendon, Chris; Strand, Catherine; Leonard, Andrew J.; Abou-Sleiman, Patrick M.; Healy, Daniel G.; Ariga, Hiroyashi; Wood, Nicholas W.; de Silva, Rohan; Revesz, Tamas; Hardy, John A.; Lees, Andrew J.

    2004-01-01

    Two mutations in the DJ-1 gene on chromosome1p36 have been identified recently to cause early-onset, autosomal recessive Parkinson's disease. As no information is available regarding the distribution of DJ-1 protein in the human brain, in this study we used a monoclonal antibody for DJ-1 to map its distribution in frontal cortex and substantia…

  14. Transcranial direct current stimulation (tDCS) for idiopathic Parkinson's disease.

    Science.gov (United States)

    Elsner, Bernhard; Kugler, Joachim; Pohl, Marcus; Mehrholz, Jan

    2016-07-18

    Idiopathic Parkinson's disease (IPD) is a neurodegenerative disorder, with the severity of the disability usually increasing with disease duration. IPD affects patients' health-related quality of life, disability, and impairment. Current rehabilitation approaches have limited effectiveness in improving outcomes in patients with IPD, but a possible adjunct to rehabilitation might be non-invasive brain stimulation by transcranial direct current stimulation (tDCS) to modulate cortical excitability, and hence to improve these outcomes in IPD. To assess the effectiveness of tDCS in improving motor and non-motor symptoms in people with IPD. We searched the following databases (until February 2016): the Cochrane Central Register of Controlled Trials (CENTRAL; the Cochrane Library ; 2016 , Issue 2), MEDLINE, EMBASE, CINAHL, AMED, Science Citation Index, the Physiotherapy Evidence Database (PEDro), Rehabdata, and Inspec. In an effort to identify further published, unpublished, and ongoing trials, we searched trial registers and reference lists, handsearched conference proceedings, and contacted authors and equipment manufacturers. We included only randomised controlled trials (RCTs) and randomised controlled cross-over trials that compared tDCS versus control in patients with IPD for improving health-related quality of life , disability, and impairment. Two review authors independently assessed trial quality (JM and MP) and extracted data (BE and JM). If necessary, we contacted study authors to ask for additional information. We collected information on dropouts and adverse events from the trial reports. We included six trials with a total of 137 participants. We found two studies with 45 participants examining the effects of tDCS compared to control (sham tDCS) on our primary outcome measure, impairment, as measured by the Unified Parkinson's Disease Rating Scale (UPDRS). There was very low quality evidence for no effect of tDCS on change in global UPDRS score ( mean

  15. Sleep stability and transitions in patients with idiopathic REM sleep behavior disorder and patients with Parkinson's disease

    DEFF Research Database (Denmark)

    Christensen, Julie Anja Engelhard; Jennum, Poul; Koch, Henriette

    2016-01-01

    Objective: Patients with idiopathic rapid eye movement (REM) sleep behavior disorder (iRBD) are at high risk of developing Parkinson's disease (PD). As wake/sleep-regulation is thought to involve neurons located in the brainstem and hypothalamic areas, we hypothesize that the neurodegeneration in i......RBD/PD is likely to affect wake/sleep and REM/non-REM (NREM) sleep transitions. Methods: We determined the frequency of wake/sleep and REM/NREM sleep transitions and the stability of wake (W), REM and NREM sleep as measured by polysomnography (PSG) in 27 patients with PD, 23 patients with iRBD, 25 patients...... with periodic leg movement disorder (PLMD) and 23 controls. Measures were computed based on manual scorings and data-driven labeled sleep staging. Results: Patients with PD showed significantly lower REM stability than controls and patients with PLMD. Patients with iRBD had significantly lower REM stability...

  16. Structural findings in the basal ganglia in genetically determined and idiopathic Parkinson's disease

    DEFF Research Database (Denmark)

    Reetz, Kathrin; Gaser, Christian; Klein, Christine

    2009-01-01

    manifest. Simple regression analyses with the UPDRS-III and disease duration score revealed a distinct more bilateral linear decrease of BG GMV in sPARKIN-MC than in iPD that may correspond to previous findings showing a symmetric reduction in putaminal (18)F-DOPA-uptake and bilateral manifestation...... (sPARKIN-MC) and idiopathic PD patients (iPD) after the occurrence of PD symptoms, reflecting the breakdown of compensatory mechanisms. Nine sPARKIN-MC, 14 iPD, and 24 controls were studied clinically and with voxel-based morphometry. Analysis of variance revealed mainly BG decrease of GMV in s...

  17. Neurosurgical interventions in the treatment of idiopathic Parkinson disease: neurostimulation and neural implantation.

    Science.gov (United States)

    Kupsch, A; Earl, C

    1999-01-01

    With the exception of thalamotomy for drug-refractory tremor, surgical therapy for Parkinson's disease has been almost abandoned as treatment for Parkinsonian symptoms between 1965 and 1985. Reasons for this development relate to inconsistent postoperative results, complications associated with stereotactic surgical techniques and, most importantly, the advent of levodopa, which is still considered to be the gold standard in pharmacotherapy for Parkinson's disease. However, both, the long-term experience with L-DOPA therapy on the one hand and the progress of advanced stereotactic techniques and fetal graft research on the other hand have lead to reconsideration of surgical therapy in Parkinson's disease for patients, who can not be treated satisfactorily with medication. Both lesions (via thermocoagulation) and/or neurostimulation (via chronic intracerebral implantation of electrodes) in thalamic nuclei (nucleus ventralis oralis posterior/intermedialis thalami; VOP/VIM) may alleviate rest tremor in PD patients. In principle neurostimulation has the significant advantage of reversibility with regard to side effects in comparison to lesion surgery. Furthermore ventro-posterior pallidotomy or chronic stimulation in this structures may ameliorate bradykinesia and levodopa-induced dyskinesias. Additionally, "switching-off" the subthalamic nucleus by neurostimulation has been reported to reduce rigidity, bradykinesia and levodopa-induced ON-OFF-fluctuations. On the other hand, neuronal transplantation of fetal nigral dopamine precursor cells aims at restoring the striatal dopamine deficit. Both animal and clinical experiments have shown that fetal grafts survive intrastriatal transplantation and may ensue moderate to satisfactory improvements, especially in regard to bradykinesia and ON-OFF-fluctuations. Further progress in the field of neuronal transplantation will largely depend on the development of alternative cell resources.

  18. Nonmotor symptoms in genetic Parkinson disease

    DEFF Research Database (Denmark)

    Kasten, Meike; Kertelge, Lena; Brüggemann, Norbert

    2010-01-01

    To review current knowledge on nonmotor symptoms (NMS), particularly psychiatric features, in genetic Parkinson disease (PD) and to provide original data for genetic and idiopathic PD.......To review current knowledge on nonmotor symptoms (NMS), particularly psychiatric features, in genetic Parkinson disease (PD) and to provide original data for genetic and idiopathic PD....

  19. Blood dendritic cell frequency declines in idiopathic Parkinson's disease and is associated with motor symptom severity.

    Science.gov (United States)

    Ciaramella, Antonio; Salani, Francesca; Bizzoni, Federica; Pontieri, Francesco E; Stefani, Alessandro; Pierantozzi, Mariangela; Assogna, Francesca; Caltagirone, Carlo; Spalletta, Gianfranco; Bossù, Paola

    2013-01-01

    The role of inflammation in Parkinson's Disease (PD) is well appreciated, but its underlying mechanisms are still unclear. Our objective was to determine whether dendritic cells (DC), a unique type of migratory immune cells that regulate immunological response and inflammation have an impact on PD. In a case-control study including 80 PD patients and 80 age- and gender-matched healthy control subjects, the two main blood subsets of plasmacytoid and myeloid DC were defined by flow cytometry analysis. Clinical evaluation of subjects consisting of cognition and depression assessment was performed using the Mini Mental State Examination and the Beck Depression Inventory. The severity of motor symptoms was measured using the Unified Parkinson's Disease Rating Scale-Part III. Comparison between patient and control DC measures and their relationships with clinical assessments were evaluated.The following main results were obtained: 1) the level of circulating DC (mainly the myeloid subset) was significantly reduced in PD patients in comparison with healthy controls; 2) after controlling for depressive and cognitive characteristics, the frequency of myeloid DC was confirmed as one of the independent determinants of PD; 3) the number of both myeloid and plasmacytoid DC was negatively associated with motor symptom severity. Overall, the decline of blood DC, perhaps due to the recruitment of immune cells to the site of disease-specific lesions, can be considered a clue of the immune alteration that characterizes PD, suggesting innovative exploitations of DC monitoring as a clinically significant tool for PD treatment. Indeed, this study suggests that reduced peripheral blood DC are a pathologically-relevant factor of PD and also displays the urgency to better understand DC role in PD for unraveling the immune system contribution to disease progression and thus favoring the development of innovative therapies ideally based on immunomodulation.

  20. Blood dendritic cell frequency declines in idiopathic Parkinson's disease and is associated with motor symptom severity.

    Directory of Open Access Journals (Sweden)

    Antonio Ciaramella

    Full Text Available The role of inflammation in Parkinson's Disease (PD is well appreciated, but its underlying mechanisms are still unclear. Our objective was to determine whether dendritic cells (DC, a unique type of migratory immune cells that regulate immunological response and inflammation have an impact on PD. In a case-control study including 80 PD patients and 80 age- and gender-matched healthy control subjects, the two main blood subsets of plasmacytoid and myeloid DC were defined by flow cytometry analysis. Clinical evaluation of subjects consisting of cognition and depression assessment was performed using the Mini Mental State Examination and the Beck Depression Inventory. The severity of motor symptoms was measured using the Unified Parkinson's Disease Rating Scale-Part III. Comparison between patient and control DC measures and their relationships with clinical assessments were evaluated.The following main results were obtained: 1 the level of circulating DC (mainly the myeloid subset was significantly reduced in PD patients in comparison with healthy controls; 2 after controlling for depressive and cognitive characteristics, the frequency of myeloid DC was confirmed as one of the independent determinants of PD; 3 the number of both myeloid and plasmacytoid DC was negatively associated with motor symptom severity. Overall, the decline of blood DC, perhaps due to the recruitment of immune cells to the site of disease-specific lesions, can be considered a clue of the immune alteration that characterizes PD, suggesting innovative exploitations of DC monitoring as a clinically significant tool for PD treatment. Indeed, this study suggests that reduced peripheral blood DC are a pathologically-relevant factor of PD and also displays the urgency to better understand DC role in PD for unraveling the immune system contribution to disease progression and thus favoring the development of innovative therapies ideally based on immunomodulation.

  1. Parkinson's Disease Dementia

    Science.gov (United States)

    ... Find your local chapter Join our online community Parkinson's Disease Dementia Parkinson's disease dementia is an impairment ... disease. About Symptoms Diagnosis Causes & risks Treatments About Parkinson's disease dementia The brain changes caused by Parkinson's ...

  2. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... the First Few Years with Parkinson's Expert Briefings: Pain in PD Expert Briefings: Parkinson's Disease: Financial, Legal ... Briefings: Complementary Approaches to Parkinson's Expert Briefings: Understanding Pain in Parkinson's Expert Briefings: The Parkinson's Pipeline 2011: ...

  3. Neurite orientation dispersion and density imaging in the substantia nigra in idiopathic Parkinson disease.

    Science.gov (United States)

    Kamagata, Koji; Hatano, Taku; Okuzumi, Ayami; Motoi, Yumiko; Abe, Osamu; Shimoji, Keigo; Kamiya, Kouhei; Suzuki, Michimasa; Hori, Masaaki; Kumamaru, Kanako K; Hattori, Nobutaka; Aoki, Shigeki

    2016-08-01

    We used neurite orientation dispersion and density imaging (NODDI) to quantify changes in the substantia nigra pars compacta (SNpc) and striatum in Parkinson disease (PD). Diffusion-weighted magnetic resonance images were acquired from 58 PD patients and 36 age- and sex-matched controls. The intracellular volume fraction (Vic), orientation dispersion index (OD), and isotropic volume fraction (Viso) of the basal ganglia were compared between groups. Multivariate logistic regression analysis determined which diffusion parameters were independent predictors of PD. Receiver operating characteristic (ROC) analysis compared the diagnostic accuracies of the evaluated indices. Pearson coefficient analysis correlated each diffusional parameter with disease severity. Vic in the contralateral SNpc and putamen were significantly lower in PD patients than in healthy controls (P disease severity. Multivariate logistic analysis revealed that Vic (P = 0.0000046) and mean diffusivity (P = 0.019) in the contralateral SNpc were the independent predictors of PD. In the ROC analysis, Vic in the contralateral SNpc showed the best diagnostic performance (mean cutoff, 0.62; sensitivity, 0.88; specificity, 0.83). NODDI is likely to be useful for diagnosing PD and assessing its progression. • Neurite orientation dispersion and density imaging (NODDI) is a new diffusion MRI technique • NODDI estimates neurite microstructure more specifically than diffusion tensor imaging • By using NODDI, nigrostriatal alterations in PD can be evaluated in vivo • NOODI is useful for diagnosing PD and assessing its disease progression.

  4. Neurite orientation dispersion and density imaging in the substantia nigra in idiopathic Parkinson disease

    International Nuclear Information System (INIS)

    Kamagata, Koji; Suzuki, Michimasa; Hori, Masaaki; Kumamaru, Kanako K.; Aoki, Shigeki; Hatano, Taku; Okuzumi, Ayami; Motoi, Yumiko; Hattori, Nobutaka; Abe, Osamu; Shimoji, Keigo; Kamiya, Kouhei

    2016-01-01

    We used neurite orientation dispersion and density imaging (NODDI) to quantify changes in the substantia nigra pars compacta (SNpc) and striatum in Parkinson disease (PD). Diffusion-weighted magnetic resonance images were acquired from 58 PD patients and 36 age- and sex-matched controls. The intracellular volume fraction (Vic), orientation dispersion index (OD), and isotropic volume fraction (Viso) of the basal ganglia were compared between groups. Multivariate logistic regression analysis determined which diffusion parameters were independent predictors of PD. Receiver operating characteristic (ROC) analysis compared the diagnostic accuracies of the evaluated indices. Pearson coefficient analysis correlated each diffusional parameter with disease severity. Vic in the contralateral SNpc and putamen were significantly lower in PD patients than in healthy controls (P < 0.00058). Vic and OD in the SNpc and putamen showed significant negative correlations (P < 0.05) with disease severity. Multivariate logistic analysis revealed that Vic (P = 0.0000046) and mean diffusivity (P = 0.019) in the contralateral SNpc were the independent predictors of PD. In the ROC analysis, Vic in the contralateral SNpc showed the best diagnostic performance (mean cutoff, 0.62; sensitivity, 0.88; specificity, 0.83). NODDI is likely to be useful for diagnosing PD and assessing its progression. (orig.)

  5. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Expert Briefings: Anxiety in Parkinson's Disease Expert Briefings: Nutrition and Parkinson's Disease NY Nightly News with Chuck ... Briefings: What's in the Parkinson's Pipeline? Expert Briefings: Nutrition and Parkinson's Disease 2010 Expert Briefings: Legal Issues: ...

  6. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Parkinson's Disease: One Voice, Many Listeners Expert Briefings: Medical Therapies: What's in the Parkinson's Pipeline? Expert Briefings: Under-recognized Nonmotor Symptoms of Parkinson's Disease Expert Briefings: Gait, Balance and Falls in Parkinson's Disease Expert Briefings: Coping ...

  7. Sleep stability and transitions in patients with idiopathic REM sleep behavior disorder and patients with Parkinson's disease.

    Science.gov (United States)

    Christensen, Julie Anja Engelhard; Jennum, Poul; Koch, Henriette; Frandsen, Rune; Zoetmulder, Marielle; Arvastson, Lars; Christensen, Søren Rahn; Sorensen, Helge Bjarrup Dissing

    2016-01-01

    Patients with idiopathic rapid eye movement (REM) sleep behavior disorder (iRBD) are at high risk of developing Parkinson's disease (PD). As wake/sleep-regulation is thought to involve neurons located in the brainstem and hypothalamic areas, we hypothesize that the neurodegeneration in iRBD/PD is likely to affect wake/sleep and REM/non-REM (NREM) sleep transitions. We determined the frequency of wake/sleep and REM/NREM sleep transitions and the stability of wake (W), REM and NREM sleep as measured by polysomnography (PSG) in 27 patients with PD, 23 patients with iRBD, 25 patients with periodic leg movement disorder (PLMD) and 23 controls. Measures were computed based on manual scorings and data-driven labeled sleep staging. Patients with PD showed significantly lower REM stability than controls and patients with PLMD. Patients with iRBD had significantly lower REM stability compared with controls. Patients with PD and RBD showed significantly lower NREM stability and significantly more REM/NREM transitions than controls. We conclude that W, NREM and REM stability and transitions are progressively affected in iRBD and PD, probably reflecting the successive involvement of brain stem areas from early on in the disease. Sleep stability and transitions determined by a data-driven approach could support the evaluation of iRBD and PD patients. Copyright © 2015 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.

  8. Automatic classification of patients with idiopathic Parkinson's disease and progressive supranuclear palsy using diffusion MRI datasets

    Science.gov (United States)

    Talai, Sahand; Boelmans, Kai; Sedlacik, Jan; Forkert, Nils D.

    2017-03-01

    Parkinsonian syndromes encompass a spectrum of neurodegenerative diseases, which can be classified into various subtypes. The differentiation of these subtypes is typically conducted based on clinical criteria. Due to the overlap of intra-syndrome symptoms, the accurate differential diagnosis based on clinical guidelines remains a challenge with failure rates up to 25%. The aim of this study is to present an image-based classification method of patients with Parkinson's disease (PD) and patients with progressive supranuclear palsy (PSP), an atypical variant of PD. Therefore, apparent diffusion coefficient (ADC) parameter maps were calculated based on diffusion-tensor magnetic resonance imaging (MRI) datasets. Mean ADC values were determined in 82 brain regions using an atlas-based approach. The extracted mean ADC values for each patient were then used as features for classification using a linear kernel support vector machine classifier. To increase the classification accuracy, a feature selection was performed, which resulted in the top 17 attributes to be used as the final input features. A leave-one-out cross validation based on 56 PD and 21 PSP subjects revealed that the proposed method is capable of differentiating PD and PSP patients with an accuracy of 94.8%. In conclusion, the classification of PD and PSP patients based on ADC features obtained from diffusion MRI datasets is a promising new approach for the differentiation of Parkinsonian syndromes in the broader context of decision support systems.

  9. Inverse association between yerba mate consumption and idiopathic Parkinson's disease. A case-control study.

    Science.gov (United States)

    Gatto, Emilia Mabel; Melcon, Carlos; Parisi, Virginia L; Bartoloni, Leonardo; Gonzalez, Claudio D

    2015-09-15

    Yerba mate tea is a very common beverage in some countries of South America. We conducted a case-control study on an individual basis using hospital records to investigate the association between Parkinson's disease (PD) and yerba mate intake. A case was defined as an age of ≥ 40 years with ≥ 1 year of PD. Each case was individually matched by two controls. Exposure was measured by yerba mate consumption, coffee, tea, and alcohol intake and smoking status. The sample consisted of 223 PD patients (mean age 68 years and mean disease duration 7.3 years) and 406 controls. There was an inverse association between yerba mate "bombilla" consumption and PD (OR 0.64, 95% CI: 0.54-0.76, p=0.00001). A multivariate analysis with a logistic regression adjusted by sex, alcohol intake and smoking provided the following results: yerba mate (OR 0.63, 95% CI: 0.53-0.76), tea (OR 0.60, 95% CI: 0.42-0.86), coffee (OR 0.51, 95% CI: 0.35-0.73). We found an inverse association between yerba mate consumption and PD. These results led us to hypothesize that yerba mate may have a potential protective role in the development of PD. Copyright © 2015 Elsevier B.V. All rights reserved.

  10. Parkinson's disease

    DEFF Research Database (Denmark)

    Astradsson, Arnar; Aziz, Tipu Z

    2015-01-01

    INTRODUCTION: The mean age of onset of Parkinson's disease is about 65 years, with a median time of 9 years between diagnosis and death. METHODS AND OUTCOMES: We conducted a systematic review and aimed to answer the following clinical question: What are the effects of fetal cell or stem cell......-derived therapy in people with Parkinson's disease? We searched: Medline, Embase, The Cochrane Library and other important databases up to September 2014 (Clinical Evidence reviews are updated periodically; please check our website for the most up-to-date version of this review). We included harms alerts from...

  11. Brain metabolic correlates of dopaminergic degeneration in de novo idiopathic Parkinson's disease

    International Nuclear Information System (INIS)

    Berti, Valentina; Polito, Cristina; Vanzi, Eleonora; Cristofaro, Maria Teresa de; Pellicano, Giannantonio; Mungai, Francesco; Formiconi, Andreas Robert; Pupi, Alberto; Ramat, Silvia; Marini, Paolo; Sorbi, Sandro

    2010-01-01

    The aim of the present study was to evaluate the reciprocal relationships between motor impairment, dopaminergic dysfunction, and cerebral metabolism (rCMRglc) in de novo Parkinson's disease (PD) patients. Twenty-six de novo untreated PD patients were scanned with 123 I-FP-CIT SPECT and 18 F-FDG PET. The dopaminergic impairment was measured with putaminal 123 I-FP-CIT binding potential (BP), estimated with two different techniques: an iterative reconstruction algorithm (BP OSEM ) and the least-squares (LS) method (BP LS ). Statistical parametric mapping (SPM) multiple regression analyses were performed to determine the specific brain regions in which UPDRS III scores and putaminal BP values correlated with rCMRglc. The SPM results showed a negative correlation between UPDRS III and rCMRglc in premotor cortex, and a positive correlation between BP OSEM and rCMRglc in premotor and dorsolateral prefrontal cortex, not surviving at multiple comparison correction. Instead, there was a positive significant correlation between putaminal BP LS and rCMRglc in premotor, dorsolateral prefrontal, anterior prefrontal, and orbitofrontal cortex (p LS is an efficient parameter for exploring the correlations between PD severity and rCMRglc cortical changes. The correlation between dopaminergic degeneration and rCMRglc in several prefrontal regions likely represents the cortical functional correlate of the dysfunction in the motor basal ganglia-cortical circuit in PD. This finding suggests focusing on the metabolic course of these areas to follow PD progression and to analyze treatment effects. (orig.)

  12. Decreased sleep spindle density in patients with idiopathic REM sleep behavior disorder and patients with Parkinson's disease.

    Science.gov (United States)

    Christensen, Julie A E; Kempfner, Jacob; Zoetmulder, Marielle; Leonthin, Helle L; Arvastson, Lars; Christensen, Søren R; Sorensen, Helge B D; Jennum, Poul

    2014-03-01

    To determine whether sleep spindles (SS) are potentially a biomarker for Parkinson's disease (PD). Fifteen PD patients with REM sleep behavior disorder (PD+RBD), 15 PD patients without RBD (PD-RBD), 15 idiopathic RBD (iRBD) patients and 15 age-matched controls underwent polysomnography (PSG). SS were scored in an extract of data from control subjects. An automatic SS detector using a Matching Pursuit (MP) algorithm and a Support Vector Machine (SVM) was developed and applied to the PSG recordings. The SS densities in N1, N2, N3, all NREM combined and REM sleep were obtained and evaluated across the groups. The SS detector achieved a sensitivity of 84.7% and a specificity of 84.5%. At a significance level of α=1%, the iRBD and PD+RBD patients had a significantly lower SS density than the control group in N2, N3 and all NREM stages combined. At a significance level of α=5%, PD-RBD had a significantly lower SS density in N2 and all NREM stages combined. The lower SS density suggests involvement in pre-thalamic fibers involved in SS generation. SS density is a potential early PD biomarker. It is likely that an automatic SS detector could be a supportive diagnostic tool in the evaluation of iRBD and PD patients. Copyright © 2013 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.

  13. Curcumin's Neuroprotective Efficacy in Drosophila Model of Idiopathic Parkinson's Disease Is Phase Specific: Implication of its Therapeutic Effectiveness

    Science.gov (United States)

    Phom, Limamanen; Achumi, Bovito; Alone, Debasmita P.; Muralidhara

    2014-01-01

    Abstract Selective degeneration of dopaminergic neurons in the substantia nigra underlies the basic motor impairments of Parkinson's disease (PD). Curcumin has been used for centuries in traditional medicines in India. Our aim is to understand the efficacy of genotropic drug curcumin as a neuroprotective agent in PD. Analysis of different developmental stages in model organisms revealed that they are characterized by different patterns of gene expression which is similar to that of developmental stages of human. Genotropic drugs would be effective only during those life cycle stages for which their target molecules are available. Hence there exists a possibility that targets of genotropic compounds such as curcumin may not be present in all life stages. However, no reports are available in PD models illustrating the efficacy of curcumin in later phases of adult life. This is important because this is the period during which late-onset disorders such as idiopathic PD set in. To understand this paradigm, we tested the protective efficacy of curcumin in different growth stages (early, late health stage, and transition phase) in adult Drosophila flies. Results showed that it can rescue the motor defects during early stages of life but is ineffective at later phases. This observation was substantiated with the finding that curcumin treatment could replenish depleted brain dopamine levels in the PD model only during early stages of life cycle, clearly suggesting its limitation as a therapeutic agent in late-onset neurodegenerative disorders such as PD. PMID:25238331

  14. Parkinson's Disease Videos

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  15. Parkinson's Disease

    Science.gov (United States)

    ... a long and relatively healthy life. What Causes Parkinson's Disease? In the very deep parts of the brain, there is a collection of nerve cells that help control movement, known as the basal ganglia (say: BAY-sul GAN-glee-ah). In a ...

  16. Altered moral decision-making in patients with idiopathic Parkinson's disease.

    Science.gov (United States)

    Rosen, Jan B; Rott, Elisa; Ebersbach, Georg; Kalbe, Elke

    2015-10-01

    Moral decision-making essentially contributes to social conduct. Although patients with Parkinson's disease (PD) show deficits in (non-moral) decision making and related neuropsychological functions, i.e. executive functions, theory of mind (ToM), and empathy, moral decision-making has rarely been examined in PD patients. We examined possible alterations of moral decision-making and associated functions in PD. Twenty non-demented PD patients and 23 age- and education-matched healthy control participants were examined with tests that assess reasoning, executive functions (set-shifting and planning), ToM and empathy, decision-making under risk, and moral intuitions. Moral decision-making was assessed with a close-to-everyday moral dilemma paradigm that opposes socially oriented "altruistic" choices to self-beneficial "egoistic" choices in 20 moral dilemma short stories (10 high and 10 low emotional). Concurrently, electrodermal activity was recorded. PD patients made more egoistic moral decisions than healthy controls. Remarkably, while reasoning, planning and empathy correlated with moral decision-making in the control group, in the PD group neuropsychological functions and dopaminergic medication did not correlate with moral decisions. No evidence for reduced skin conductance responses in PD patients and no relationships between skin conductance responses and moral decisions were observed. This study provides evidence for moral decision-making dysfunctions in PD patients who made more egoistic moral decisions. As a possible underlying mechanism, reduced exercise of attentional control due to a dysfunctional interplay between the prefrontal cortex and the basal ganglia is discussed. Future research will have to determine the impact of PD patients' moral decision-making dysfunctions on everyday life and further determine correlates of the deficits. Copyright © 2015 Elsevier Ltd. All rights reserved.

  17. Brain metabolic correlates of dopaminergic degeneration in de novo idiopathic Parkinson's disease

    Energy Technology Data Exchange (ETDEWEB)

    Berti, Valentina; Polito, Cristina; Vanzi, Eleonora; Cristofaro, Maria Teresa de; Pellicano, Giannantonio; Mungai, Francesco; Formiconi, Andreas Robert; Pupi, Alberto [University of Florence, Department of Clinical Pathophysiology, Florence (Italy); Ramat, Silvia; Marini, Paolo; Sorbi, Sandro [University of Florence, Department of Psychiatric and Neurological Sciences, Florence (Italy)

    2010-03-15

    The aim of the present study was to evaluate the reciprocal relationships between motor impairment, dopaminergic dysfunction, and cerebral metabolism (rCMRglc) in de novo Parkinson's disease (PD) patients. Twenty-six de novo untreated PD patients were scanned with {sup 123}I-FP-CIT SPECT and {sup 18}F-FDG PET. The dopaminergic impairment was measured with putaminal {sup 123}I-FP-CIT binding potential (BP), estimated with two different techniques: an iterative reconstruction algorithm (BP{sub OSEM}) and the least-squares (LS) method (BP{sub LS}). Statistical parametric mapping (SPM) multiple regression analyses were performed to determine the specific brain regions in which UPDRS III scores and putaminal BP values correlated with rCMRglc. The SPM results showed a negative correlation between UPDRS III and rCMRglc in premotor cortex, and a positive correlation between BP{sub OSEM} and rCMRglc in premotor and dorsolateral prefrontal cortex, not surviving at multiple comparison correction. Instead, there was a positive significant correlation between putaminal BP{sub LS} and rCMRglc in premotor, dorsolateral prefrontal, anterior prefrontal, and orbitofrontal cortex (p < 0.05, corrected for multiple comparison). Putaminal BP{sub LS} is an efficient parameter for exploring the correlations between PD severity and rCMRglc cortical changes. The correlation between dopaminergic degeneration and rCMRglc in several prefrontal regions likely represents the cortical functional correlate of the dysfunction in the motor basal ganglia-cortical circuit in PD. This finding suggests focusing on the metabolic course of these areas to follow PD progression and to analyze treatment effects. (orig.)

  18. [Parkinson's disease(s): recent insight into genetic factors

    NARCIS (Netherlands)

    Warrenburg, B.P.C. van de; Scheffer, H.; Heutink, P.; Bloem, B.R.

    2007-01-01

    In recent years, 5 genes have been identified that are unambiguously associated with genetic forms of Parkinson's disease. These genes probably explain less than 10% of all cases of Parkinson's disease. Clinically, these genetic forms can closely resemble idiopathic Parkinson's disease. Mutation

  19. Manganese- and 1-methyl-4-phenylpyridinium-induced neurotoxicity display differences in morphological, electrophysiological and genome-wide alterations: implications for idiopathic Parkinson's disease.

    Science.gov (United States)

    Mythri, Rajeswara Babu; Raghunath, Narayana Reddy; Narwade, Santosh Chandrakant; Pandareesh, Mirazkar Dasharatha Rao; Sabitha, Kollarkandi Rajesh; Aiyaz, Mohamad; Chand, Bipin; Sule, Manas; Ghosh, Krittika; Kumar, Senthil; Shankarappa, Bhagyalakshmi; Soundararajan, Soundarya; Alladi, Phalguni Anand; Purushottam, Meera; Gayathri, Narayanappa; Deobagkar, Deepti Dileep; Laxmi, Thenkanidiyoor Rao; Srinivas Bharath, Muchukunte Mukunda

    2017-11-01

    Idiopathic Parkinson's disease and manganese-induced atypical parkinsonism are characterized by movement disorder and nigrostriatal pathology. Although clinical features, brain region involved and responsiveness to levodopa distinguish both, differences at the neuronal level are largely unknown. We studied the morphological, neurophysiological and molecular differences in dopaminergic neurons exposed to the Parkinson's disease toxin 1-methyl-4-phenylpyridinium ion (MPP + ) and manganese (Mn), followed by validation in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine and Mn mouse models. Morphological analysis highlighted loss of neuronal processes in the MPP + and not the Mn model. Cellular network dynamics of dopaminergic neurons characterized by spike frequency and inter-spike intervals indicated major neuronal population (~ 93%) with slow discharge rates (0-5 Hz). While MPP + exposure suppressed the firing of these neurons, Mn neither suppressed nor elevated the neuronal activity. High-throughput transcriptomic analysis revealed up-regulation of 694 and 603 genes and down-regulation of 428 and 255 genes in the MPP + and Mn models respectively. Many differentially expressed genes were unique to either models and contributed to neuroinflammation, metabolic/mitochondrial function, apoptosis and nuclear function, synaptic plasticity, neurotransmission and cytoskeleton. Analysis of the Janus kinase-signal transducer and activator of transcription pathway with implications for neuritogenesis and neuronal proliferation revealed contrasting profile in both models. Genome-wide DNA methylomics revealed differences between both models and substantiated the epigenetic basis of the difference in the Janus kinase-signal transducer and activator of transcription pathway. We conclude that idiopathic Parkinson's disease and atypical parkinsonism have divergent neurotoxicological manifestation at the dopaminergic neuronal level with implications for pathobiology and evolution

  20. Evidence of an amnesia-like cued-recall memory impairment in nondementing idiopathic Parkinson's disease.

    Science.gov (United States)

    Edelstyn, Nicola M J; John, Christopher M; Shepherd, Thomas A; Drakeford, Justine L; Clark-Carter, David; Ellis, Simon J; Mayes, Andrew R

    2015-10-01

    Medicated, non-dementing mild-to-moderate Parkinson's disease (PD) patients usually show recall/recollection impairments but have only occasionally shown familiarity impairments. We aimed to assess two explanations of this pattern of impairment. Recollection typically improves when effortful planning of encoding and retrieval processing is engaged. This depends on prefrontally-dependent executive processes, which are often disrupted in PD. Relative to an unguided encoding and retrieval of words condition (C1), giving suitable guidance at encoding alone (C2) or at encoding and retrieval (C3) should, if executive processes are disrupted, improve PD recollection more than control recollection and perhaps raise it to normal levels. Familiarity, being a relatively automatic kind of memory, whether impaired or intact, should be unaffected by guidance. According to the second explanation, PD deficits are amnesia-like and caused by medial temporal lobe dysfunction and although poorer recollection, which is caused by hippocampal disruption, may be improved by guidance, it should not improve more than control recollection. Familiarity impairment will also occur if the perirhinal cortex is disrupted, but will be unimproved by guidance. Without guidance, recollection/recall was impaired in thirty PD patients relative to twenty-two healthy controls and remained relatively equally impaired when full guidance was provided (C1 vs C3), both groups improving to broadly the same extent. Although impaired, and markedly less so than recollection, familiarity was not improved by guidance in both groups. The patients showed elevated rates of subclinical depressive symptoms, which weakly correlated with recall/recollection in all three conditions. PD executive function was also deficient and correlated with unguided/C1 recollection only. Our results are consistent with a major cause of the patients' recall/recollection impairments being hippocampal disruption, probably exacerbated by

  1. Parkinson's Disease Videos

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  2. Parkinson's Disease Videos

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  3. Parkinson's Disease Videos

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  4. Parkinson's Disease Videos

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    Full Text Available ... PD Expert Briefings: Parkinson's Disease: Financial, Legal and Medical Planning Tips for Care Partners Nurse Webinars: Nursing ... Parkinson's Disease: One Voice, Many Listeners Expert Briefings: Medical Therapies: What's in the Parkinson's Pipeline? Expert Briefings: ...

  5. Parkinson's Disease Videos

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    Full Text Available ... Learn More Research Research We Fund Parkinson's Outcomes Project Grant Opportunities Science News & Progress Patient Engagement Research ... Is Parkinson's Disease Diagnosed? OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis CareMAP: Getting Dressed What ...

  6. Parkinson's Disease Videos

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    Full Text Available ... and Apathy in Parkinson's Disease Nurse Webinars: Interdisciplinary Education on Parkinson's Disease Expert Briefings: Getting Around: Transportation and Travel with PD Expert Briefings: Sleep and Parkinson's Nurse: ...

  7. Parkinson's Disease Videos

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  8. Parkinson's Disease Videos

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    Full Text Available ... Parkinson's There is a lot to know about Parkinson's disease. Learn about symptoms, how it is diagnosed and ... your quality of life and live well with Parkinson's disease. Learn More Expert Care Patient Centered Care Centers ...

  9. Parkinson's Disease Videos

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    Full Text Available ... Learn More Research Research We Fund Parkinson's Outcomes Project Grant Opportunities Science News & Progress Patient Engagement Research ... Help with Freezing Episodes? OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis Overview of Parkinson's Disease ...

  10. Parkinson's Disease Videos

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    Full Text Available ... Briefings: Dealing with Dementia in PD Expert Briefings: Anxiety in Parkinson's Disease Expert Briefings: Nutrition and Parkinson's ... and Tomorrow Expert Briefings: A Closer Look at Anxiety and Depression in Parkinson's Disease Expert Briefings: Driving ...

  11. A Selective Corrective Exercise to Decrease Falling and Improve Functional Balance in Idiopathic Parkinson?s Disease

    OpenAIRE

    Sedaghati, Parisa; Daneshmandi, Hassan; Karimi, Noureddin; Barati, Amir-Hossein

    2016-01-01

    Background Posture instability and unsteady gait disorders in Parkinson’s Disease (PD) usually contribute to fall-related fractures. Fall-related trauma in PD is the most common reason for injury. Despite providing modern care for PD patients (PP) in the recent years, anti-PD drugs have no effect on falling. There is an urgent need to administer exercise interventions to reduce falls and related injuries in the rehabilitation program of PP. Ob...

  12. Prevalence and incidence of Parkinson's disease in The Faroe Islands

    DEFF Research Database (Denmark)

    Wermuth, Lene; Bech, Sara Brynhild Winther; Petersen, Maria Skaalum

    2008-01-01

    A study in The Faroe Islands in 1995 suggested a high prevalence of idiopathic Parkinson's disease (IPD) and total parkinsonism of 187.6 and 233.4 per 100,000 inhabitants respectively.......A study in The Faroe Islands in 1995 suggested a high prevalence of idiopathic Parkinson's disease (IPD) and total parkinsonism of 187.6 and 233.4 per 100,000 inhabitants respectively....

  13. Parkinson's Disease Videos

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    Full Text Available ... Motor Symptoms in PD Expert Briefings: Swallowing and Dental Challenges Expert Briefings: Caregiving and Parkinson's: Laying the ... Parkinson's Disease Expert Briefings: Coping Skills for Parkinson's Care Partners Expert Briefings: What's New in Genetics and ...

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    Full Text Available ... Nutrition and Parkinson's Disease 2010 Expert Briefings: Legal Issues: Planning Ahead When You are Living with Parkinson's ... for Following a Medication Schedule? Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners CareMAP: Medications and ...

  15. Parkinson's Disease Videos

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    Full Text Available ... Nutrition and Parkinson's Disease 2010 Expert Briefings: Legal Issues: Planning Ahead When You are Living with Parkinson's ... Care or Team Approach Important? Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners Jose Maria Lobo: ...

  16. Parkinson's Disease Videos

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    Full Text Available ... Parkinson's Disease Expert Briefings: Getting Around: Transportation and Travel with PD Expert Briefings: Sleep and Parkinson's Nurse: ... Psychosis Hallucinations and Parkinson's with Dr. Friedman CareMAP: Travel and Transportation: Part 2 Caregiver Summit 2016: Caregiving: ...

  17. Parkinson's Disease Videos

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    Full Text Available ... Parkinson's Pipeline 2011: Treating Your Parkinson's Expert Briefings: Cognition and PD: What You've Always Wanted to ... Swallowing: Part 1 How Does Parkinson's Disease Affect Memory? What Do I Do if I Suspect Compulsive ...

  18. Parkinson's Disease Videos

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    Full Text Available ... Nutrition and Parkinson's Disease 2010 Expert Briefings: Legal Issues: Planning Ahead When You are Living with Parkinson's ... 2016: Coping Strategy: Yoga & Stretching Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners Expert Briefings: Nutrition ...

  19. Parkinson's Disease Videos

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    Full Text Available ... Nutrition and Parkinson's Disease 2010 Expert Briefings: Legal Issues: Planning Ahead When You are Living with Parkinson's ... Day Interview with Nathan Slewett Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners Who Is a ...

  20. Parkinson's Disease Videos

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    Full Text Available ... Improving Parkinson's Care Everywhere Expert Briefings: Apathy or Depression: Which One Is It? CareMAP: El Descanso y ... Expert Briefings: A Closer Look at Anxiety and Depression in Parkinson's Disease Expert Briefings: Driving and Parkinson's: ...

  1. Parkinson's Disease Videos

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    Full Text Available ... Nutrition and Parkinson's Disease 2010 Expert Briefings: Legal Issues: Planning Ahead When You are Living with Parkinson's ... Prevented? Why Dance for PD? Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners Who Is a ...

  2. Is impact of fatigue an independent factor associated with physical activity in patients with idiopathic Parkinson's disease?

    NARCIS (Netherlands)

    Elbers, R.; Wegen, van E.E.H.; Rochester, L.; Hetherington, V.; Nieuwboer, A.; Willems, A.M.; Jones, D.; Kwakkel, G.

    2009-01-01

    To investigate the longitudinal association between fatigue and physical activity in Parkinson's disease (PD) and determine whether this association is distorted by potential confounders. Data from baseline, 3, 6, and 12 week assessments in a single blind randomized clinical trial with cross-over

  3. Parkinson disease - discharge

    Science.gov (United States)

    Your doctor has told you that you have Parkinson disease . This disease affects the brain and leads ... have you take different medicines to treat your Parkinson disease and many of the problems that may ...

  4. Parkinson's Disease Videos

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  5. Parkinson's Disease Videos

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    Full Text Available ... Progression of the Disease? OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis OHSU - Overview of Parkinson's ... Disease? What Are Some Strategies to Improve the Quality of Community Care for PD Patients? CareMAP: Dealing ...

  6. Substantia Nigra Free Water Increases Longitudinally in Parkinson Disease.

    Science.gov (United States)

    Guttuso, T; Bergsland, N; Hagemeier, J; Lichter, D G; Pasternak, O; Zivadinov, R

    2018-02-01

    Free water in the posterior substantia nigra obtained from a bi-tensor diffusion MR imaging model has been shown to significantly increase over 1- and 4-year periods in patients with early-stage idiopathic Parkinson disease compared with healthy controls, which suggests that posterior substantia nigra free water may be an idiopathic Parkinson disease progression biomarker. Due to the known temporal posterior-to-anterior substantia nigra degeneration in idiopathic Parkinson disease, we assessed longitudinal changes in free water in both the posterior and anterior substantia nigra in patients with later-stage idiopathic Parkinson disease and age-matched healthy controls for comparison. Nineteen subjects with idiopathic Parkinson disease and 19 age-matched healthy control subjects were assessed on the same 3T MR imaging scanner at baseline and after approximately 3 years. Baseline mean idiopathic Parkinson disease duration was 7.1 years. Both anterior and posterior substantia nigra free water showed significant intergroup differences at baseline ( P Parkinson disease versus healthy controls); however, only anterior substantia nigra free water showed significant longitudinal group × time interaction increases ( P = .021, idiopathic Parkinson disease versus healthy controls). There were no significant longitudinal group × time interaction differences found for conventional diffusion tensor imaging or free water-corrected DTI assessments in either the anterior or posterior substantia nigra. Results from this study provide further evidence supporting substantia nigra free water as a promising disease-progression biomarker in idiopathic Parkinson disease that may help to identify disease-modifying therapies if used in future clinical trials. Our novel finding of longitudinal increases in anterior but not posterior substantia nigra free water is potentially a result of the much longer disease duration of our cohort compared with previously studied cohorts and the known

  7. Increased Motor Activity During REM Sleep Is Linked with Dopamine Function in Idiopathic REM Sleep Behavior Disorder and Parkinson Disease

    DEFF Research Database (Denmark)

    Zoetmulder, Marielle; Nikolic, Miki; Biernat, Heidi B

    2016-01-01

    STUDY OBJECTIVES: Rapid eye movement (REM) sleep behavior disorder (RBD) is a parasomnia characterized by impaired motor inhibition during REM sleep, and dream-enacting behavior. RBD is especially associated with α-synucleinopathies, such as Parkinson disease (PD). Follow-up studies have shown......-FP-CIT uptake in the putamen. In PD patients, EMG-activity was correlated to anti-Parkinson medication. CONCLUSIONS: Our results support the hypothesis that increased EMG-activity during REM sleep is at least partly linked to the nigrostriatal dopamine system in iRBD, and with dopamine function in PD....... the relation between this system and electromyographic (EMG) activity during sleep. The objective of this study was to investigate the relationship between the nigrostriatal dopamine system and muscle activity during sleep in iRBD and PD. METHODS: 10 iRBD patients, 10 PD patients with PD, 10 PD patients...

  8. Increased Motor Activity During REM Sleep Is Linked with Dopamine Function in Idiopathic REM Sleep Behaviour Disorder and Parkinson Disease

    DEFF Research Database (Denmark)

    Zoetmulder, Marielle; Nikolic, Miki; Biernat, Heidi

    2016-01-01

    STUDY OBJECTIVES: Rapid eye movement (REM) sleep behavior disorder (RBD) is a parasomnia characterized by impaired motor inhibition during REM sleep, and dream-enacting behavior. RBD is especially associated with α-synucleinopathies, such as Parkinson disease (PD). Follow-up studies have shown...... in the putamen. In PD patients, EMG-activity was correlated to anti-Parkinson medication. CONCLUSIONS: Our results support the hypothesis that increased EMG-activity during REM sleep is at least partly linked to the nigrostriatal dopamine system in iRBD, and with dopamine function in PD....... the relation between this system and electromyographic (EMG) activity during sleep. The objective of this study was to investigate the relationship between the nigrostriatal dopamine system and muscle activity during sleep in iRBD and PD. METHODS: 10 iRBD patients, 10 PD patients with PD, 10 PD patients...

  9. Safety and efficacy of rasagiline in addition to levodopa for the treatment of idiopathic Parkinson's disease: a meta-analysis of randomised controlled trials.

    Science.gov (United States)

    Cai, Jiang-Ping; Chen, Wan-Jin; Lin, Yu; Cai, Bin; Wang, Ning

    2015-01-01

    To assess the safety and efficacy of rasagiline for the treatment of Parkinson's disease (PD) among individuals currently receiving levodopa. A systematic literature search was conducted to identify randomised controlled trials (RCT) comparing rasagiline with placebo/no treatment in individuals with PD currently receiving levodopa. Outcome measures included improvement in motor functions; symptomatic improvement; improvement in quality of life; adverse effects. Random-effect meta-analytical techniques were conducted for the outcome measure and subgroup analyses. Three RCTs were included (n = 1002). The results showed significantly greater improvements in daily 'on' time without dyskinesia in levodopa-treated participants with idiopathic PD receiving 1 mg/day rasagiline compared to placebo (n = 712, 2 RCTs, MD 0.80, CI 0.45 to 1.15; p rasagiline (0.5 mg/day: n = 282, MD -2.91, CI -4.59 to -1.23; p = 0.0007; 1 mg/day: n = 712, 2 RCTs, MD -2.91, CI -4.02 to -1.80; p rasagiline in addition to levodopa is a safe and well-tolerated combination therapy for individuals with Parkinson's disease.

  10. Parkinson's Disease Videos

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  17. Parkinson's Disease Videos

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  18. Parkinson's Disease Videos

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  19. Parkinson's Disease Videos

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  20. Parkinson's Disease Videos

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  1. Parkinson's Disease Videos

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  2. Parkinson's Disease Videos

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  3. Parkinson's Disease Videos

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  19. Parkinson's Disease Videos

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  20. Parkinson's Disease Videos

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  3. Parkinson's Disease Videos

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  11. Parkinson's Disease Videos

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  12. Parkinson's Disease Videos

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  13. Parkinson's Disease Videos

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    Full Text Available ... Parkinson's Disease Expert Briefings: Getting Around: Transportation and Travel with PD Expert Briefings: Sleep and Parkinson's Nurse: ... Expert Briefings: Depression and PD: Treatment Options CareMAP: Travel and Transportation: Part 2 Ask the Helpline: What ...

  14. Iodine 123-labeled meta-iodobenzylguanidine myocardial scintigraphy in the cases of idiopathic Parkinson`s disease, multiple system atrophy, and progressive supranuclear palsy

    Energy Technology Data Exchange (ETDEWEB)

    Yoshita, Mitsuhiro; Hayashi, Michiyuki; Hirai, Shunsaku [Tokyo Metropolitan Neurological Hospital (Japan)

    1997-06-01

    To investigate cardiac sympathetic function in Parkinson`s disease (PD), multiple system atrophy (MSA), and progressive supranuclear palsy (PSP), {sup 123}I-MIBG myocardial scintigraphy was performed in 25 patients with PD, 25 patients with MSA, 14 patients with PSP, and 20 control subjects. In planar imaging studies, the heart-to-mediastinum average count ratio (H/M) was calculated for both early and delayed images. The mean value of H/M in patients with PD was significantly lower than in those with MSA, PSP, or no disease. Regardless of disease severity or intensity of anti-parkinsonian pharmacotherapy, mean values for H/M were always low in patients with PD. The mean values of H/M in patients with MSA and PSP were significantly lower than in controls. There was no significant difference between the mean value of H/M in MSA with orthostatic hypotension (OH) and that in MSA without OH, and also there was no significant difference between the mean value of H/M in MSA with striatonigral degeneration and that in MSA with olivopontocerebellar atrophy. Although the mean value of H/M in PSP with amitriptyline treatment was significantly lower than that in PSP patients without amitriptyline treatment, there was no significant difference between the mean value of H/M in PSP patients without amitriptyline treatment and that in controls. There was no correlation between H/M and disease duration in those three akinetic-rigid disorders that we have studied here. Thus, PD may have an abnormality of cardiac sympathetic function which has not been detected by previous cardiovascular autonomic studies. Particularly in early stages, {sup 123}I-MIBG myocardial scintigraphy may help to differentiate PD from MSA and PSP. (K.H.)

  15. Parkinson's Disease Videos

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    Full Text Available ... Parkinson's Pipeline 2011: Treating Your Parkinson's Expert Briefings: Cognition and PD: What You've Always Wanted to ... Care Between Appointments? How Does Parkinson's Disease Affect Memory? CareMAP: La Alimentación y la Deglución, Parte 2 ...

  16. Parkinson's Disease Videos

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    Full Text Available ... progresión del Parkinson? How Can Falls Be Prevented? Expert Briefings: Nutrition and Parkinson's Ask the Helpline: Why Does Caregiving Change from Day to Day? How Does Parkinson's Disease Affect the Urinary System? NPF Caregiver Summit 2016: Tools For Family Caregivers: ...

  17. Parkinson's Disease Videos

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  18. Parkinson's Disease Videos

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    Full Text Available ... the entire Parkinson's community. Learn more Get Involved Moving Day Walk Parkinson's Champions Create Your Own Fundraiser Advocate With ... 2 How Can Falls Be Prevented? Why We Walk at Moving Day OHSU - Parkinson's Disease: Managing Depression, Anxiety & Psychosis ...

  19. Parkinson's disease and anxiety

    OpenAIRE

    Walsh, K; Bennett, G

    2001-01-01

    There has been a recent surge of interest in the subject of anxiety in patients with Parkinson's disease. Up to 40% of patients with Parkinson's disease experience clinically significant anxiety. This anxiety may be a psychological reaction to the stress of the illness or may be related to the neurochemical changes of the disease itself. Antiparkinsonian drugs may have a role in the pathogenesis of the anxiety. The anxiety disorders in Parkinson's disease patients appear to be clustered in th...

  20. There is no Parkinson disease.

    Science.gov (United States)

    Weiner, William J

    2008-06-01

    The term Parkinson disease defines a specific clinical condition characterized by a typical history and characteristic signs. This review examines the historical evolution of the concept of Parkinson disease and how the misunderstanding of Parkinson disease may be hindering clinical research trials. It is proposed that this syndrome be called Parkinson diseases or parkinsonism type 1 through infinity.

  1. Parkinson's Disease Videos

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  3. Parkinson's Disease Videos

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    Full Text Available ... CareMAP: Dealing with Dementia OHSU - Parkinson's Disease: Pharmacological Management of Depression, ... Care or Team Approach Important? What Is the Relationship Between Depression and ...

  4. Genetics Home Reference: Parkinson disease

    Science.gov (United States)

    ... Email Facebook Twitter Home Health Conditions Parkinson disease Parkinson disease Printable PDF Open All Close All Enable Javascript to view the expand/collapse boxes. Description Parkinson disease is a progressive disorder of the nervous ...

  5. Parkinson's Disease Videos

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  6. Parkinson's Disease Videos

    Science.gov (United States)

    ... Nonmotor Symptoms of Parkinson's Disease Expert Briefings: Gait, Balance and Falls in Parkinson's Disease Expert Briefings: Coping Skills for ... Caregivers: Caremap and Caring & Coping CareMAP: Movement and Falls: Part ... There Any Ways to Control the Rate of Progression of the Disease? CareMAP: ...

  7. Parkinson's Disease Videos

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  8. Exergaming as a Viable Therapeutic Tool to Improve Static and Dynamic Balance among Older Adults and People with Idiopathic Parkinson's Disease: A Systematic Review and Meta-Analysis.

    Science.gov (United States)

    Harris, Dale M; Rantalainen, Timo; Muthalib, Makii; Johnson, Liam; Teo, Wei-Peng

    2015-01-01

    The use of virtual reality games (known as "exergaming") as a neurorehabilitation tool is gaining interest. Therefore, we aim to collate evidence for the effects of exergaming on the balance and postural control of older adults and people with idiopathic Parkinson's disease (IPD). Six electronic databases were searched, from inception to April 2015, to identify relevant studies. Standardized mean differences (SMDs) and 95% confidence intervals (CI) were used to calculate effect sizes between experimental and control groups. I (2) statistics were used to determine levels of heterogeneity. 325 older adults and 56 people with IPD who were assessed across 11 -studies. The results showed that exergaming improved static balance (SMD 1.069, 95% CI 0.563-1.576), postural control (SMD 0.826, 95% CI 0.481-1.170), and dynamic balance (SMD -0.808, 95% CI -1.192 to -0.424) in healthy older adults. Two IPD studies showed an improvement in static balance (SMD 0.124, 95% CI -0.581 to 0.828) and postural control (SMD 2.576, 95% CI 1.534-3.599). Our findings suggest that exergaming might be an appropriate therapeutic tool for improving balance and postural control in older adults, but more -large-scale trials are needed to determine if the same is true for people with IPD.

  9. Parkinson disease

    Science.gov (United States)

    ... The disease leads to shaking ( tremors ) and trouble walking and moving . ... include: Difficulty starting movement, such as starting to walk or ... are not moving. This is called resting tremor. Occur when your ...

  10. Detection of proteolytic signatures for Parkinson's disease

    DEFF Research Database (Denmark)

    Jordal, Peter Lüttge; Dyrlund, Thomas F.; Winge, Kristian

    2016-01-01

    Aim: To investigate if idiopathic Parkinson's disease (IPD) is associated with distinct proteolytic signatures relative to non-neurodegenerative controls (NND) and patients with multiple system atrophy (MSA). Materials & methods: A subtiligase-based N-terminomics screening method was exploited...

  11. Parkinson's Disease: Diagnosis and Treatment

    Science.gov (United States)

    ... of this page please turn JavaScript on. Feature: Parkinson's Disease Parkinson's Disease: Diagnosis and Treatment Past Issues / Winter 2014 ... live productive lives and maintain mobility. How is Parkinson's Diagnosed? There are no blood or laboratory tests ...

  12. Parkinson's Disease Videos

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  13. Parkinson's Disease Videos

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  14. Parkinson's Disease Videos

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  15. Parkinson's Disease Videos

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  16. Parkinson's Disease Videos

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  17. Parkinson's Disease Videos

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  18. Parkinson's Disease Videos

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  19. Parkinson's Disease Videos

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  20. Parkinson's Disease Videos

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  1. Parkinson's Disease Videos

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  2. Parkinson's Disease Videos

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  3. Parkinson's Disease Videos

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  4. Parkinson's Disease Videos

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  5. Falls in Parkinson's disease.

    NARCIS (Netherlands)

    Grimbergen, Y.A.M.; Munneke, M.; Bloem, B.R.

    2004-01-01

    PURPOSE OF REVIEW: To summarize the latest insights into the clinical significance, assessment, pathophysiology and treatment of falls in Parkinson's disease. RECENT FINDINGS: Recent studies have shown that falls are common in Parkinson's disease, even when compared with other fall-prone

  6. Parkinson's Disease Videos

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  7. Parkinson's Disease Videos

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  8. Parkinson's Disease Videos

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  9. Parkinson's Disease Videos

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  10. Cognitive function assessment in idiopathic Parkinson's disease Avaliação da função cognitiva em doença de Parkinson idiopática

    Directory of Open Access Journals (Sweden)

    Mauro R. Piovezan

    2007-12-01

    Full Text Available Idiopathic Parkinson’s disease (PD is characterized by reduced nigrostriatal and cortical dopaminergic influence, with changes in movement and, subsequently, behavioral and cognitive disturbances. We studied cognitive impairment in Parkinson’s disease by assessing a group of 30 idiopathic Parkinson’s disease patients with an average age of 64.23 years (PG group and compared our findings with those for a control group of 30 patients (CG group. All the patients were submitted to the following assessments: motor function, using the UPDRS; staging, using the Hoehn-Yahr scales (PG group only; depression, using the Montgomery-Asberg scale; attention impairment; verbal fluency (FAR and animals; cognitive function, using the Mini Mental State Examination; visuospatial and executive functions; and clock drawing. In addition to altered motor function in PD patients, we found statistically significant differences between PD patients and controls in terms of cognitive function, verbal, executive and visuospatial functions, and attention deficits. Depression was more prevalent in the PG group.A doença de Parkinson idiopática (DP caracteriza-se pela redução da influência dopaminérgica nigroestriatal e cortical, com alterações em movimentos e posteriormente, comportamentais e cognitivas. Estudamos o comprometimento cognitivo de pacientes portadores de DP, avaliando 30 pacientes com doença de Parkinson idiopática (GP com média de idade de 64,23 anos e os comparamos com um grupo controle (GC de 30 pacientes. Todos os pacientes foram submetidos as seguintes avaliações: motora pela escala de UPDRS; estadiamento pela escala de Hoehn-Yahr (somente GP; depressão pela escala de Montgomery-Asberg; comprometimento da atenção; fluência verbal (FAR e animais; função cognitiva pelo Mini Exame do Estado Mental; funções visuoespaciais e executivas e desenho do relógio. Concluímos que na DP os pacientes apresentam além das alterações motoras

  11. Nonmotor symptoms in a malaysian Parkinson's disease population.

    Science.gov (United States)

    Azmin, Shahrul; Khairul Anuar, Abdul Manaf; Tan, Hui Jan; Nafisah, Wan Yahya; Raymond, Azman Ali; Hanita, Othman; Shah, Shamsul Azhar; Norlinah, Mohamed Ibrahim

    2014-01-01

    Background. The nonmotor symptoms are important determinants of health and quality of life in Parkinson's disease but are not well recognized and addressed in clinical practice. This study was conducted to determine the prevalence of nonmotor symptoms and their impact on quality of life in patients with Parkinson's disease. Methods. This was a cross-sectional study among patients with idiopathic Parkinson's disease. Exclusion criteria were a Mini Mental State Examination score of diet playing a role in this observation requires further study.

  12. Parkinson's Disease Videos

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  13. Parkinson's Disease Videos

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    Full Text Available ... Progression of the Disease? OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis What Are Some Strategies ... to Know? Why Is Comprehensive Care or Team Approach Important? 2013 PSA Featuring Katie Couric What Are ...

  14. Parkinson's Disease Videos

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  15. Parkinson's Disease Videos

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  16. Parkinson's Disease Videos

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  17. Parkinson's Disease Videos

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  18. Parkinson's Disease Videos

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  19. Parkinson's Disease Videos

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    Full Text Available ... for PD Patients? Are There Any Ways to Control the Rate of Progression of the Disease? OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis What Are Some Strategies ...

  20. Parkinson's Disease Videos

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  1. Parkinson's Disease Videos

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  2. Parkinson's Disease Videos

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  3. Parkinson's Disease Videos

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  4. Parkinson's Disease Videos

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  5. Parkinson's Disease Videos

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    Full Text Available ... Nursing Solutions: Improving Parkinson's Care Everywhere CareMAP: La Alimentación y la Deglución, Parte 1 CareMAP: El Baño, ... How Does Parkinson's Disease Affect Memory? CareMAP: La Alimentación y la Deglución, Parte 2 Caregiver Summit 2016: ...

  6. Parkinson's Disease Videos

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    Full Text Available ... How Does Depression Affect the Patient's Family and Social Network? How Is Parkinson's Disease Diagnosed? CareMAP: Where to ... progresión del Parkinson? Is Compulsive Behavior a Side Effect of PD Medications? How Can Falls Be Prevented? ...

  7. Parkinson's Disease Videos

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    Full Text Available ... PTA, NPF - National Parkinson Foundation CareMAP: Managing Caregiver Stress CareMAP: End-of-Life Care CareMAP: Thinking Changes: ... a Brother: Donna’s Story OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis What Are Some Strategies ...

  8. Parkinson's Disease Videos

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    Full Text Available ... Parkinson's Disease Expert Briefings: Getting Around: Transportation and Travel with PD Expert Briefings: Sleep and Parkinson's Nurse: ... Therapeutic Approaches for PD: Depression, Anxiety & Psychosis CareMAP: Travel and Transportation: Part 2 CareMAP: Bathroom: Part 1 ¿ ...

  9. Parkinson's Disease Videos

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    Full Text Available ... you can do to maintain and improve your quality of life and live well with Parkinson's disease. Learn More ... a lower risk of complications and have better quality of life. Learn More Research Research We Fund Parkinson's Outcomes ...

  10. Parkinson's Disease Videos

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  11. Parkinson's Disease Videos

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  12. Parkinson's Disease Videos

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  13. Parkinson's Disease Videos

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  14. Parkinson's Disease Videos

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  17. Parkinson's Disease Videos

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    Full Text Available ... How Is Parkinson's Disease Diagnosed? CareMAP: Managing Caregiver Stress CareMAP: Getting Dressed CareMAP: End-of-Life Care ... Salud en General, Parte 2 CareMAP: Rest and Sleep: Part 2 Dra. Claudia Martinez, MAPC - Parkinson- Pasion, ...

  18. Parkinson's Disease Videos

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  19. Xenotransplantation in Parkinson's disease

    NARCIS (Netherlands)

    Koopmans, Jan

    2006-01-01

    Parkinson's disease is a neurodegenerative disorder characterised by loss of dopaminergic neurones in the substantia nigra pars compacta and subsequent shortage of dopamine in the striatum of the these patients causing the well known symptoms first described by James Parkinson in 1817. In this

  20. High prevalence of Parkinson's disease in the Faroe Islands

    DEFF Research Database (Denmark)

    Wermuth, L; Joensen, P; Bünger, N

    1997-01-01

    We used several case-findings methods and strict criteria for case ascertainment to diagnose parkinsonism and idiopathic Parkinson's disease (PD) in the Faroe Islands. In the last few years before the prevalence date of July 1, 1995, we searched various registries from pharmacies, hospitals, and ...

  1. Aspectos físicos e mentais na qualidade de vida de pacientes com doença de Parkinson idiopática Physical and mental aspects in quality of life of idiopathic Parkinson disease patients

    Directory of Open Access Journals (Sweden)

    Gustavo Christofoletti

    2009-03-01

    two groups: Parkinson group (n=21, made up of individuals with idiopathic PD; and control group (n=19, of subjects with no neurodegenerative disorder. Data were collected by means of the Brazilian version of the Short Form-36 (SF-36 questionnaire. Data were statistically analysed and the significance level set at 1%. PD group subjects had SF-36 scores significantly lower than control ones, both in physical and mental health domains. Such low, perceived health-related quality of life among PD subjects is probably due to the co-occurrence of the neurodegenerative phenomena and the psychological distress provoked both by the disease itself and the stigma assigned to it. Interdisciplinary approaches should be encouraged to improve the quality of life of PD patients, aiming at postponing the physical and mental decline inherent to this degenerative condition.

  2. Parkinson's Disease Videos

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    Full Text Available ... library Topic Type Living Alone: Home Safety and Management in PD Expert Briefings: Marijuana and PD: What ... Managing Depression, Anxiety & Psychosis OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis Why We Walk at ...

  3. Parkinson's Disease Videos

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    Full Text Available ... PD Library Search library Topic Type Expert Briefings: Marijuana and PD: What Do We Really Know? Nurse ... PD Expert Briefings: Parkinson's Disease: Financial, Legal and Medical Planning Tips for Care Partners Nurse Webinars: Nursing ...

  4. Parkinson's Disease Videos

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    Full Text Available ... Swallowing: Part 1 How Does Parkinson's Disease Affect Memory? What Do I Do if I Suspect Compulsive ... What Does a Caregiver Need to Know About Cognitive Impairment? How Do I Manage Non-Motor Problems ...

  5. Parkinson's Disease Videos

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    Full Text Available ... Managing Depression, Anxiety & Psychosis OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis Ask the Helpline: What Is a Movement Disorder Specialist? What Are Some Strategies for Problems with Urination? How Do I Know ...

  6. Pathogenesis of Parkinson's disease

    OpenAIRE

    Riederer, Peter; Lange, Klaus W.

    1992-01-01

    The importance of genetic aspects, ageing, environmental factors, head trauma, defective mitochondrial respiration, altered iron metabolism, oxidative stress and glutamatergic overactivity of the basal ganglia in the pathogenesis of Parkinson's disease (PD) are considered in this review.

  7. Parkinson's Disease Videos

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  8. Parkinson's Disease Videos

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    Full Text Available ... library Topic Type Living Alone: Home Safety and Management in PD Expert Briefings: Marijuana and PD: What ... Program: Step by Step OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis Ask the Helpline: What ...

  9. Parkinson's Disease Videos

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  10. Parkinson's Disease Videos

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    Full Text Available ... the Urinary System? What Are the Risks and Benefits of DBS Surgery? NPF Caregiver Summit 2016: Tools ... Depression and Parkinson's Disease? What Are the Neuroprotective Benefits of Exercise for PD Patients? Hallucinations and Delusions ...

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    Full Text Available ... Bringing Care to You Expert Care Programs Professional Education Expert Care Research shows people with Parkinson’s who ... Psychosis: Hallucinations, Delusions and Paranoia Nurse Webinars: Interdisciplinary Education on Parkinson's Disease Expert Briefings: Getting Around: Transportation ...

  12. Parkinson's Disease Videos

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    Full Text Available ... A You are here Home PD Library Search library Topic Type Nursing Solutions: Improving Caregiver Strain through Science and Model Interventions Expert Briefings: Parkinson's Disease Psychosis: ...

  13. Learning about Parkinson's Disease

    Science.gov (United States)

    Skip to main content Learning About Parkinson's Disease Enter Search Term(s): Español Research Funding An Overview Bioinformatics Current Grants Education and Training Funding Extramural Research ...

  14. Parkinson's Disease Videos

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    Full Text Available ... know about Parkinson's disease. Learn about symptoms, how it is diagnosed and what treatment options are available. ... your gift takes, you can be confident that it goes toward providing crucial resources for those affected ...

  15. Parkinson's Disease Videos

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    Full Text Available ... Walk at Moving Day OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety ... Summit 2016: Maintaining Dignity & Identity Why Is It Important to Continue Self-Care ...

  16. Parkinson's Disease Videos

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    Full Text Available ... Side Effect of PD Medications? CareMAP: Challenges and Rewards of Caregiving Why Dance for PD? What Are ... Caregivers How Does Parkinson's Disease Affect the Urinary System? How Can Caregivers Help with Freezing Episodes? OHSU - ...

  17. Parkinson's Disease Videos

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    Full Text Available ... library Topic Type Living Alone: Home Safety and Management in PD Expert Briefings: Marijuana and PD: What ... What Is the Helpline? OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis How Does Speech Therapy ...

  18. Parkinson's Disease Videos

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    Full Text Available ... Swallowing: Part 2 What Is the Relationship Between Depression and Parkinson's Disease? What Is Patient-Centered Care? Hallucinations and Delusions Dealing with Dementia CareMAP: Medicamentos ...

  19. Parkinson's Disease Videos

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  20. Parkinson's Disease Videos

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    Full Text Available ... library Topic Type Living Alone: Home Safety and Management in PD Expert Briefings: Marijuana and PD: What ... a Brother: Donna’s Story OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis What Are Some Strategies ...

  1. Parkinson's Disease Videos

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    Full Text Available ... Ask Expert Briefings: Physical Therapy & PD: What You Need to Know Expert Briefings: What's Missing? Communication and the PD Partnership Expert Briefings: Fatigue, Sleep Disorders and Parkinson's Disease Expert Briefings: What's in ...

  2. Parkinson's Disease Videos

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    Full Text Available ... When Is It Time to Get Help? Unconditional Love CareMAP: Rest and Sleep: Part 1 What Are ... Around the House: Part 2 What Is the Relationship Between Depression and Parkinson's Disease? Hallucinations and Delusions ...

  3. Parkinson's Disease Videos

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  4. Parkinson's Disease Videos

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    Full Text Available ... library Topic Type Living Alone: Home Safety and Management in PD Expert Briefings: Marijuana and PD: What ... con todos los presentadores OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis Is Compulsive Behavior a ...

  5. Parkinson's Disease Videos

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  6. Parkinson's Disease Videos

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    Full Text Available ... you can do to maintain and improve your quality of life and live well with Parkinson's disease. ... a lower risk of complications and have better quality of life. Learn More Research Research We Fund ...

  7. Parkinson's Disease Videos

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    Full Text Available ... library Topic Type Expert Briefings: Marijuana and PD: What Do We Really Know? Nurse Webinars: Nursing Solutions: Improving Caregiver Strain through Science and Model Interventions Expert Briefings: Parkinson's Disease Psychosis: ...

  8. Parkinson's Disease Videos

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    Full Text Available ... Education on Parkinson's Disease Expert Briefings: Getting Around: Transportation and Travel with PD Expert Briefings: Sleep and ... for PD: Depression, Anxiety & Psychosis CareMAP: Travel and Transportation: Part 2 Ask the Helpline: Why Is Exercise ...

  9. Parkinson's Disease Videos

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    Full Text Available ... Gene and Cell Therapies Expert Briefings: Dealing with Dementia in PD Expert Briefings: Anxiety in Parkinson's Disease ... 1 What Is Patient-Centered Care? Dealing with Dementia CareMAP: Life Beyond This Life What Are Some ...

  10. Parkinson's Disease Videos

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  11. Nondipping in Parkinson's Disease

    OpenAIRE

    Sita Sommer; Billur Aral-Becher; Wolfgang Jost

    2011-01-01

    Objective. The aim of this study was to identify patients with Parkinson's disease who showed loss or decrease of nocturnal blood pressure fall (nondipper patients) as a marker of autonomic dysfunction. Presence or absence of orthostatic hypotension was considered to investigate whether alterations in circadian blood pressure pattern are associated with posture-related dysregulation of blood pressure. Methods. 40 patients with Parkinson's disease underwent 24-hour blood pressure monitoring. 2...

  12. Asymmetrical Pedaling Patterns in Parkinson's Disease Patients

    Science.gov (United States)

    Penko, Amanda L.; Hirsch, Joshua R.; Voelcker-Rehage, Claudia; Martin, Philip E.; Blackburn, Gordon; Alberts, Jay L.

    2015-01-01

    Background Approximately 1.5 million Americans are affected by Parkinson's disease [1] which includes the symptoms of postural instability and gait dysfunction. Currently, clinical evaluations of postural instability and gait dysfunction consist of a subjective rater assessment of gait patterns using items from the Unified Parkinson's Disease Rating Scale, and assessments can be insensitive to the effectiveness of medical interventions. Current research suggests the importance of cycling for Parkinson's disease patients, and while Parkinson's gait has been evaluated in previous studies, little is known about lower extremity control during cycling. The purpose of this study is to examine the lower extremity coordination patterns of Parkinson's patients during cycling. Methods Twenty five participants, ages 44-72, with a clinical diagnosis of idiopathic Parkinson's disease participated in an exercise test on a cycle ergometer that was equipped with pedal force measurements. Crank torque, crank angle and power produced by right and left leg were measured throughout the test to calculate Symmetry Index at three stages of exercise (20 Watt, 60 Watt, maximum performance). Findings Decreases in Symmetry Index were observed for average power output in Parkinson's patients as workload increased. Maximum power Symmetry Index showed a significant difference in symmetry between performance at both the 20 Watt and 60 Watt stage and the maximal resistance stage. Minimum power Symmetry Index did not show significant differences across the stages of the test. While lower extremity asymmetries were present in Parkinson's patients during pedaling, these asymmetries did not correlate to postural instability and gait dysfunction Unified Parkinson's Disease Rating Scale scores. Interpretation This pedaling analysis allows for a more sensitive measure of lower extremity function than the Unified Parkinson's Disease Rating Scale and may help to provide unique insight into current and

  13. Anatomically standardised {sup 99m}Tc-ECD brain perfusion SPET allows accurate differentiation between healthy volunteers, multiple system atrophy and idiopathic Parkinson's disease

    Energy Technology Data Exchange (ETDEWEB)

    Bosman, Tommy [Division of Nuclear Medicine, P7, Ghent University Hospital, De Pintelaan 185, 9000 Ghent (Belgium); Van Laere, Koen [Department of Nuclear Medicine, Leuven University Hospital, Herestraat 49, 3000 Leuven (Belgium); Santens, Patrick [Department of Neurology, Ghent University Hospital, Ghent (Belgium)

    2003-01-01

    The clinical differentiation between typical idiopathic Parkinson's disease (IPD) and atypical parkinsonian disorders such as multiple system atrophy (MSA) is complicated by the presence of signs and symptoms common to both forms. The goal of this study was to re-evaluate the contribution of brain perfusion single-photon emission tomography (SPET) with anatomical standardisation and automated analysis in the differentiation of IPD and MSA. This was achieved by discriminant analysis in comparison with a large set of age- and gender-matched healthy volunteers. Technetium-99m ethyl cysteinate dimer SPET was performed on 140 subjects: 81 IPD patients (age 62.6{+-}10.2 years; disease duration 11.0{+-}6.4 years; 50 males/31 females), 15 MSA patients (61.5{+-}9.2 years; disease duration 3.0{+-}2.2 years; 9 males/6 females) and 44 age- and gender-matched healthy volunteers (age 59.2{+-}11.9 years; 27 males/17 females). Patients were matched for severity (Hoehn and Yahr stage). Automated predefined volume of interest (VOI) analysis was carried out after anatomical standardisation. Stepwise discriminant analysis with cross-validation using the leave-one-out method was used to determine the subgroup of variables giving the highest accuracy for this differential diagnosis. Between MSA and IPD, the only regions with highly significant differences in uptake after Bonferroni correction were the putamen VOIs. Comparing MSA versus normals and IPD, with putamen VOI values as discriminating variables, cross-validated performance showed correct classification of MSA patients with a sensitivity of 73.3%, a specificity of 84% and an accuracy of 83.6%. Additional input from the right caudate head and the left prefrontal and left mesial temporal cortex allowed 100% discrimination even after cross-validation. Discrimination between the IPD group alone and healthy volunteers was accurate in 94% of the cases after cross-validation, with a sensitivity of 91.4% and a specificity of 100

  14. Anatomically standardised 99mTc-ECD brain perfusion SPET allows accurate differentiation between healthy volunteers, multiple system atrophy and idiopathic Parkinson's disease

    International Nuclear Information System (INIS)

    Bosman, Tommy; Van Laere, Koen; Santens, Patrick

    2003-01-01

    The clinical differentiation between typical idiopathic Parkinson's disease (IPD) and atypical parkinsonian disorders such as multiple system atrophy (MSA) is complicated by the presence of signs and symptoms common to both forms. The goal of this study was to re-evaluate the contribution of brain perfusion single-photon emission tomography (SPET) with anatomical standardisation and automated analysis in the differentiation of IPD and MSA. This was achieved by discriminant analysis in comparison with a large set of age- and gender-matched healthy volunteers. Technetium-99m ethyl cysteinate dimer SPET was performed on 140 subjects: 81 IPD patients (age 62.6±10.2 years; disease duration 11.0±6.4 years; 50 males/31 females), 15 MSA patients (61.5±9.2 years; disease duration 3.0±2.2 years; 9 males/6 females) and 44 age- and gender-matched healthy volunteers (age 59.2±11.9 years; 27 males/17 females). Patients were matched for severity (Hoehn and Yahr stage). Automated predefined volume of interest (VOI) analysis was carried out after anatomical standardisation. Stepwise discriminant analysis with cross-validation using the leave-one-out method was used to determine the subgroup of variables giving the highest accuracy for this differential diagnosis. Between MSA and IPD, the only regions with highly significant differences in uptake after Bonferroni correction were the putamen VOIs. Comparing MSA versus normals and IPD, with putamen VOI values as discriminating variables, cross-validated performance showed correct classification of MSA patients with a sensitivity of 73.3%, a specificity of 84% and an accuracy of 83.6%. Additional input from the right caudate head and the left prefrontal and left mesial temporal cortex allowed 100% discrimination even after cross-validation. Discrimination between the IPD group alone and healthy volunteers was accurate in 94% of the cases after cross-validation, with a sensitivity of 91.4% and a specificity of 100%. The three

  15. Somatization in Parkinson's Disease

    DEFF Research Database (Denmark)

    Carrozzino, Danilo; Bech, Per; Patierno, Chiara

    2017-01-01

    The current systematic review study is aimed at critically analyzing from a clinimetric viewpoint the clinical consequence of somatization in Parkinson's Disease (PD). By focusing on the International Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, we...... consequence of such psychiatric symptom should be further evaluated by replacing the clinically inadequate diagnostic label of psychogenic parkinsonism with the psychosomatic concept of persistent somatization as conceived by the Diagnostic Criteria for Psychosomatic Research (DCPR)....

  16. Therapies in Parkinson's disease.

    Science.gov (United States)

    Jankovic, Joseph; Poewe, Werner

    2012-08-01

    This review examines currently available therapeutic strategies for Parkinson's disease, emphasizing evidence-based data as well as a patient-centered approach to the treatment of motor and nonmotor symptoms. Although clinical trials of disease-modifying approaches have been thus far disappointing, steady advances are being made in the symptomatic treatment of Parkinson's disease. In this review, we focus on recent studies with monoamine oxidase type B inhibitors (selegiline and rasagiline), coenzyme Q10, creatine, and exercise in early Parkinson's disease. We also discuss the relative merits and disadvantages of delaying the initiation of levodopa therapy, the role of dopamine agonists, particularly ropinirole and pramipexole, and management of motor and behavioral complications, such as fluctuations, dyskinesias and impulse-control disorders. Novel formulations and delivery approaches for conventional and new drugs are also discussed. Finally, we review recent studies of surgical treatments of Parkinson's disease, such as deep brain stimulation. Numerous clinical trials have provided evidence that health-related quality of life can be substantially improved with early diagnosis and institution of exercise and other physical measures, appropriate timing of dopaminergic therapy, and strategies to delay and treat levodopa-related motor complications and nonmotor Parkinson's disease-related symptoms.

  17. Motor assessment in Parkinson`s disease.

    Science.gov (United States)

    Opara, Józef; Małecki, Andrzej; Małecka, Elżbieta; Socha, Teresa

    2017-09-21

    Parkinson's disease (PD) is one of most disabling disorders of the central nervous system. The motor symptoms of Parkinson's disease: shaking, rigidity, slowness of movement, postural instability and difficulty with walking and gait, are difficult to measure. When disease symptoms become more pronounced, the patient experiences difficulties with hand function and walking, and is prone to falls. Baseline motor impairment and cognitive impairment are probable predictors of more rapid motor decline and disability. An additional difficulty is the variability of the symptoms caused by adverse effects of drugs, especially levodopa. Motor assessment of Parkinson`s Disease can be divided into clinimetrics, assessment of balance and posture, arm and hand function, and gait/walking. These are many clinimetric scales used in Parkinson`s Disease, the most popular being the Hoehn and Yahr stages of progression of the disease and Unified Parkinson's Disease Rating Scale. Balance and posture can be assessed by clinimetric scales like the Berg BS, Tinetti, Brunel BA, and Timed Up and Go Test, or measured by posturometric platforms. Among skill tests, the best known are: the Purdue Pegboard Test, Nine-Hole Peg Test, Jebsen and Taylor test, Pig- Tail Test, Frenchay Arm Test, Action Research Arm Test, Wolf FMT and Finger-Tapping Test. Among motricity scales, the most popular are: the Fugl-Meyer Motor Assessment Scale and Södring Motor Evaluation. Gait and walking can also be assessed quantitatively and qualitatively. Recently, the most popular is three-dimensional analysis of movement. This review article presents the current possibilities of motor assessment in Parkinson`s disease.

  18. Diabetes mellitus and Parkinson disease.

    Science.gov (United States)

    Pagano, Gennaro; Polychronis, Sotirios; Wilson, Heather; Giordano, Beniamino; Ferrara, Nicola; Niccolini, Flavia; Politis, Marios

    2018-05-08

    To investigate whether diabetes mellitus is associated with Parkinson-like pathology in people without Parkinson disease and to evaluate the effect of diabetes mellitus on markers of Parkinson pathology and clinical progression in drug-naive patients with early-stage Parkinson disease. We compared 25 patients with Parkinson disease and diabetes mellitus to 25 without diabetes mellitus, and 14 patients with diabetes mellitus and no Parkinson disease to 14 healthy controls (people with no diabetes mellitus or Parkinson disease). The clinical diagnosis of diabetes mellitus was confirmed by 2 consecutive fasting measurements of serum glucose levels >126 mL/dL. Over a 36-month follow-up period, we then investigated in the population with Parkinson disease whether the presence of diabetes mellitus was associated with faster motor progression or cognitive decline. The presence of diabetes mellitus was associated with higher motor scores ( p Parkinson disease. In patients with diabetes but without Parkinson disease, the presence of diabetes mellitus was associated with lower striatal dopamine transporter binding ( p Parkinson disease, the presence of diabetes mellitus was associated with faster motor progression (hazard ratio = 4.521, 95% confidence interval = 1.468-13.926; p Parkinson-like pathology, and when present in patients with Parkinson disease, can induce a more aggressive phenotype. © 2018 American Academy of Neurology.

  19. Parkinson's Disease Videos

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    Full Text Available ... the House: Part 1 What Are the Neuroprotective Benefits of Exercise for PD Patients? Are There Any Ways to Control the Rate of Progression of the Disease? OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis What Are Some Strategies ...

  20. Parkinson's Disease Videos

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    Full Text Available ... Disease Affect the Urinary System? CareMAP: Managing Caregiver Stress CareMAP: End-of-Life Care CareMAP: Thinking Changes: ... Rest and Sleep: Part 2 What Are the Causes of Parkinson's Disease? Are There Disorders That Have ...

  1. Parkinson's Disease Videos

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    Full Text Available ... Swallowing: Part 1 How Does Parkinson's Disease Affect Memory? What Do I Do if I Suspect Compulsive ... Disease Psychosis: A Caregiver’s Story When and What Type of Treatment Is Initiated After Diagnosis? CareMAP: Las ...

  2. Parkinson's Disease Videos

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    Full Text Available ... and Benefits of DBS Surgery? CareMAP: Managing Caregiver Stress Caregiver Summit 2016: Embracing The Challenge: A Panel ... Progression of the Disease? OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis Panel de Expertos: Sesión ...

  3. Kinesiotherapy of Parkinson`s disease and Parkinson`s syndrom

    OpenAIRE

    Zechovská, Lenka

    2013-01-01

    Author: Lenka Zechovská Institution: Rehabilitation Clinic, Faculty of Medicine in Hradec Králové Title: Kinesiotherapy of Parkinson's disease and Parkinson's syndrome Supervisor: Mgr. Ivana Vondráková Number of pages: 115 Number of attachments: 8 Year of defence: 2013 Keywords: Parkinson's disease, basal ganglia, tremor, rigidity, hypokinesia Bachelor thesis deals with the problems of Parkinson's disease and Parkinson's syndrome. The theoretical part includes the basal ganglia pathophysiolog...

  4. Parkinson Disease and Dementia.

    Science.gov (United States)

    Garcia-Ptacek, Sara; Kramberger, Milica G

    2016-09-01

    Dementia is a frequent complication of Parkinson disease (PD) with a yearly incidence of around 10% of patients with PD. Lewy body pathology is the most important factor in the development of Parkinson disease dementia (PDD) and there is evidence for a synergistic effect with β-amyloid. The clinical phenotype in PDD extends beyond the dysexecutive syndrome that is often present in early PD and encompasses deficits in recognition memory, attention, and visual perception. Sleep disturbances, hallucinations, neuroleptic sensitivity, and fluctuations are often present. This review provides an update on current knowledge of PDD including aspects of epidemiology, pathology, clinical presentation, management, and prognosis. © The Author(s) 2016.

  5. Pharmacotherapy for Parkinson's disease.

    Science.gov (United States)

    Chen, Jack J; Swope, David M

    2007-12-01

    The available pharmacotherapies for Parkinson's disease address symptomatology because no agent has been demonstrated to provide definite neuroprotection against the disease. Choice of pharmacotherapy must include consideration of short-term benefits as well as long-term consequences. Patients with mild Parkinson's disease often function adequately without symptomatic treatment. However, recent data suggest that initiation of treatment with a well-tolerated agent (e.g., the monoamine oxidase [MAO]-B inhibitor rasagiline) in the absence of functional impairment is associated with improved long-term outcomes. Consideration should also be given to many patient-specific factors, including patient expectations, level of disability, employment status, functional as well as chronologic age, expected efficacy and tolerability of drugs, and response to previous Parkinson's disease therapies. Increasingly, initial monotherapy begins with a nondopaminergic agent or, if the patient is considered functionally young, a dopamine agonist. Since Parkinson's disease is a progressive disorder, adjustments to pharmacotherapy must be expected over time. When greater symptomatic relief is desired, or in the more frail elderly patient, levodopa therapy should be considered. If motor fluctuations develop, addition of a catechol-O-methyltransferase inhibitor or MAO-B inhibitor should be considered. For management of levodopa-induced dyskinesias, addition of amantadine is an option. Surgery may be considered when patients need additional symptomatic control or are experiencing severe motor complications despite pharmacologically optimized therapy.

  6. Parkinson's Disease Videos

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  7. Parkinson's Disease Videos

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    Full Text Available ... Education on Parkinson's Disease Expert Briefings: Getting Around: Transportation and Travel with PD Expert Briefings: Sleep and ... for PD: Depression, Anxiety & Psychosis CareMAP: Travel and Transportation: Part 2 CareMAP: Bathroom: Part 1 ¿Cómo Se ...

  8. Parkinson's Disease Videos

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    Full Text Available ... many things you can do to maintain and improve your quality of life and live well with Parkinson's disease. ... a Depression Diagnosis? What Are Some Strategies to Improve the Quality of Community Care for PD Patients? CareMAP: Ayudando ...

  9. Parkinson's Disease Videos

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    Full Text Available ... CareMAP: The Caregiving Journey What Medications Help with Cognitive Impairment? Parkinson’s Disease Psychosis: A Caregiver’s Story CareMAP: ... Lobo: Música en vivo con Lobo! Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners Are There ...

  10. Parkinson's Disease Videos

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    Full Text Available ... Needs of the Caregiver How Does Parkinson's Disease Affect the Urinary System? CareMAP: Putting Things in Place CareMAP: Thinking Changes: Part 2 NPF Caregiver Summit 2016: Tools For Family Caregivers: Caremap and Caring & Coping CareMAP: ... Preparing Paid Caregivers CareMAP: La Alimentación ...

  11. Parkinson's Disease Videos

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  12. Parkinson's Disease Videos

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    Full Text Available ... you can do to maintain and improve your quality of life and live well with Parkinson's disease. Learn More Expert Care Patient Centered Care Centers of Excellence Bringing Care to You Expert Care Programs Professional Education Expert Care Research shows people with Parkinson’s who ...

  13. Parkinson's Disease Videos

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  14. Parkinson's Disease Videos

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    Full Text Available ... to Give There are many ways you can support the fight against Parkinson’s. Whatever form your gift takes, you can be confident that it goes toward ... Briefings: Nutrition and Parkinson's Disease NY Nightly News with Chuck ...

  15. Parkinson's Disease Videos

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    Full Text Available ... Communication and the PD Partnership Expert Briefings: Fatigue, Sleep Disorders and Parkinson's Disease Expert Briefings: What's in the ... and Scheduling: Part 2 What Are the Common Sleep Disorders Encountered in Patients with PD? CareMAP: Planear y ...

  16. Parkinson's Disease Videos

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    Full Text Available ... A A You are here Home PD Library Search library Topic Type Expert Briefings: Marijuana and PD: What Do We Really Know? Nurse Webinars: Nursing Solutions: Improving Caregiver Strain through Science and Model Interventions Expert Briefings: Parkinson's Disease Psychosis: ...

  17. Parkinson's Disease Videos

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    Full Text Available ... Americans living with Parkinson’s disease. Learn more Ways to Give Donate Make a Tribute Gift Support a Moving ... Parkinson's Champion Bequests & Planned Giving Shop More Ways to Give Ways to Give There are many ways you ...

  18. Nondipping in Parkinson's Disease

    Directory of Open Access Journals (Sweden)

    Sita Sommer

    2011-01-01

    Full Text Available Objective. The aim of this study was to identify patients with Parkinson's disease who showed loss or decrease of nocturnal blood pressure fall (nondipper patients as a marker of autonomic dysfunction. Presence or absence of orthostatic hypotension was considered to investigate whether alterations in circadian blood pressure pattern are associated with posture-related dysregulation of blood pressure. Methods. 40 patients with Parkinson's disease underwent 24-hour blood pressure monitoring. 21 patients were diagnosed with arterial hypertension and received anti-hypertensive drugs. Nondipper patients were defined as having nocturnal decrease of mean systolic and diastolic blood pressure less than 10%. Presence or absence of orthostatic hypotension was determined by Schellong's test. Results. We identified 35 nondipper patients (88%. Nondipping was detected in 20 patients with orthostatic hypotension (95% and in 15 patients without orthostatic hypotension (79%. 18 patients with hypertensive and 22 patients with normal blood pressure values were detected. Conclusions. In conclusion 24-hour blood pressure monitoring showed a high prevalence of nondipping in 40 patients with Parkinson's disease with and without orthostatic hypotension independent of coexisting arterial hypertension and antihypertensive treatment. 24-hour blood pressure monitoring may be useful to identify non-dipping as a marker of autonomic dysfunction in patients with Parkinson's disease.

  19. Parkinson's Disease Videos

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    Full Text Available ... in Patients with Parkinson's Disease? CareMAP: Managing Caregiver Stress CareMAP: Movimientos y Caídas, Parte 2 CareMAP: End-of-Life Care Caregiver Summit 2016: Maintaining Dignity & Identity CareMAP: ...

  20. Parkinson's Disease Videos

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    Full Text Available ... With Non-Parkinson's Disease Medications? Walking for a Father and a Brother: Donna’s Story CareMAP: Life Beyond ... DBS Surgery? NPF Caregiver Summit 2016: Tools For Family Caregivers: Caremap and Caring & Coping CareMAP: Managing Caregiver ...

  1. Parkinson's Disease Videos

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    Full Text Available ... area About Shop A A You are here Home PD Library Search library Topic Type Expert Briefings: ... How Is Parkinson's Disease Diagnosed? CareMAP: Activities at Home CareMAP: Getting Dressed CareMAP: Caring for Someone with ...

  2. Parkinson's Disease Videos

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    Full Text Available ... Parkinson's Disease Patients with a Depression Diagnosis? CareMAP: Thinking Changes: Part 2 CareMAP: Ayudando a una Persona ... Life Care When Should Medications Be Adjusted? CareMAP: Thinking Changes: Part 1 CareMAP: Planear y Fijar Horarios, ...

  3. Parkinson's Disease Videos

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    Full Text Available ... Expert Briefings: What's Missing? Communication and the PD Partnership Expert Briefings: Fatigue, Sleep Disorders and Parkinson's Disease ... Rewards of Caregiving What Are the Risks and Benefits of DBS Surgery? CareMAP: Managing Caregiver Stress CareMAP: ...

  4. Parkinson's Disease Videos

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    Full Text Available ... How Does Depression Affect the Patient's Family and Social Network? CareMAP: Where to Find Help CareMAP: Peace ... Day? How Does Parkinson's Disease Affect the Urinary System? CareMAP: Medications and General Health Part 1 What ...

  5. Parkinson's Disease Videos

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  6. Parkinson's Disease Videos

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    Full Text Available ... Disease? How Is It Treated? CareMAP: Rest and Sleep: Part 2 What Are the Causes of Parkinson's ... Dealing with Dementia Unconditional Love CareMAP: Rest and Sleep: Part 1 CareMAP: The Caregiving Journey When and ...

  7. Parkinson's Disease Videos

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    Full Text Available ... What Do I Do if I Suspect Compulsive Behavior in a Loved One with PD? Aware in Care: Real Stories How Do I Manage Non-Motor Problems Such as Hypersexuality? Are There Any Interactions With Non-Parkinson's Disease Medications? Is Depression Under-Diagnosed in Patients with ...

  8. Parkinson's Disease Videos

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    Full Text Available ... CareMAP: Dealing with Dementia OHSU - Parkinson's Disease: Pharmacological Management of Depression, Anxiety & Psychosis CareMAP: Cambios en el ... to Know? Why Is Comprehensive Care or Team Approach Important? What Is the Relationship Between Depression and ...

  9. Parkinson's Disease Videos

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    Full Text Available ... What Is the Helpline? Unconditional Love How Does Speech Therapy Help Parkinson's Patients? CareMAP: Rest and Sleep: ... Parkinson's Mid-Stride: A Treatment Guide to Parkinson's Speech and Swallowing Psychosis: A Mind Guide to Parkinson's ...

  10. Parkinson's Disease Videos

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    Full Text Available ... Care Partners CareMAP: Preparing Paid Caregivers How Does Speech Therapy Help Parkinson's Patients? What Are Some Tips ... Parkinson's Mid-Stride: A Treatment Guide to Parkinson's Speech and Swallowing Psychosis: A Mind Guide to Parkinson's ...

  11. Parkinson's Disease Videos

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    Full Text Available ... Moving Day Walker Support a Parkinson's Champion Bequests & Planned Giving Shop More Ways to Give Ways to ... Late Stage Parkinson's Expert Briefings: Impulsive and Compulsive Behaviors in Parkinson's Expert Briefings: Complementary Approaches to Parkinson's ...

  12. Parkinson's Disease Videos

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    Full Text Available ... a Fundraiser Understanding Parkinson's What Is Parkinson's? Causes & Statistics Early Signs Movement Symptoms Non-Movement Symptoms Diagnosis ... Solutions: Innovations in PD Nurse Education CareMAP: Managing Advanced Parkinson's Website Nurse Webinars: Nursing Solutions: Improving Parkinson's ...

  13. Parkinson's Disease: The Newest Advances

    Science.gov (United States)

    Skip Navigation Bar Home Current Issue Past Issues Parkinson's Disease: The Newest Advances Past Issues / Summer 2006 ... Landis What are the risk factors for developing Parkinson's? The clearest risk factor is age. In addition, ...

  14. [Epidemiology and causes of Parkinson's disease].

    Science.gov (United States)

    Lill, C M; Klein, C

    2017-04-01

    Parkinson's disease (PD) is the second most common neurodegenerative disease and has a growing socioeconomic impact due to demographic changes in the industrial nations. There are several forms of PD, a fraction of which (parkinsonism including three autosomal dominantly (SNCA, LRRK2, VPS35) and three autosomal recessively inherited ones (Parkin, PINK1, DJ-1). In addition, there are a plethora of genes causing atypical forms of parkinsonism. In contrast, idiopathic PD is of a multifactorial nature. Genome-wide association studies have established a total of 26 genetic loci for this form of the disease; however, for most of these loci the underlying functional genetic variants have not yet been identified and the respective disease mechanisms remain unresolved. Furthermore, there are a number of environmental and life style factors that are associated with idiopathic PD. Exposure to pesticides and possibly a history of head trauma represent genuine risk factors. Other PD-associated factors, such as smoking and intake of coffee and alcohol may not represent risk factors per se and the cause-effect relationship has not yet been elucidated for most of these factors. A patient with a positive family history and/or an early age of disease onset should undergo counseling with respect to a possible monogenic form of the disease. Disease prediction based on genetic, environmental and life style factors is not yet possible for idiopathic PD and potential gene-specific therapies are currently in the development or early testing phase.

  15. Parkinson's Disease Videos

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    Full Text Available ... HELPLINE 1-800-4PD-INFO (473-4636) helpline@parkinson.org Search Our Site General Gift Tribute Gift Moving Day Support a Fundraiser Understanding Parkinson's What Is Parkinson's? Causes & Statistics Early Signs Movement ...

  16. Parkinson's Disease Videos

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    Full Text Available ... Late Stage Parkinson's Expert Briefings: Impulsive and Compulsive Behaviors in Parkinson's Expert Briefings: Complementary Approaches to Parkinson's ... What Do I Do if I Suspect Compulsive Behavior in a Loved One with PD? CareMAP: Planear ...

  17. Parkinson's Disease Videos

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    Full Text Available ... of Exercise on PD Expert Briefings: Parkinson's and Parenting Expert Briefings: Occupational Therapy and Parkinson's: Tips for ... Briefings: Nutrition and Parkinson's CareMAP: When Is It Time to Get Help? Ask the Helpline: Why Does ...

  18. Parkinson's Disease Videos

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    Full Text Available ... Skills for Parkinson's Care Partners Expert Briefings: What's New in Genetics and Parkinson's? Expert Briefings: Understanding the ... Miami, FL 33131 NY: 1359 Broadway, Suite 1509, New York, NY 10018 contact@parkinson.org Press Room ...

  19. Parkinson's Disease Videos

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    Full Text Available ... options are available. Learn More Living with Parkinson's Managing Parkinson's In Your Area Resources & Support PD Library ... otra canción” Expert Briefings: Diagnosis PD, Now What? Managing the First Few Years with Parkinson's Expert Briefings: ...

  20. Parkinson's Disease Videos

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    Full Text Available ... Symptoms of PD Expert Briefings: The Effects of Exercise on PD Expert Briefings: Parkinson's and Parenting Expert ... Non-Motor Symptoms Ask the Helpline: Why Is Exercise Important for People with Parkinson's? How Does Parkinson's ...

  1. Parkinson's Disease Videos

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    Full Text Available ... Late Stage Parkinson's Expert Briefings: Impulsive and Compulsive Behaviors in Parkinson's Expert Briefings: Complementary Approaches to Parkinson's ... Prioritizing Health Needs of the Caregiver Is Compulsive Behavior a Side Effect of PD Medications? CareMAP: Preparing ...

  2. Parkinson's Disease Videos

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    Full Text Available ... PD Expert Briefings: Parkinson's and Parenting Expert Briefings: Occupational Therapy and Parkinson's: Tips for Healthy Living Expert ... Expert Briefings: Driving and Parkinson's: Balancing Independence and Safety Expert Briefings: Caring for a Person with Late ...

  3. Diagnosis (Parkinson's Disease)

    Science.gov (United States)

    ... the entire Parkinson's community. Learn more Get Involved Moving Day Walk Parkinson's Champions Create Your Own Fundraiser Advocate With Us Local Resources Find an Event My PD Story Volunteer ... Support a Moving Day Walker Support a Parkinson's Champion Bequests & Planned ...

  4. What Is Parkinson's Disease?

    Science.gov (United States)

    ... the entire Parkinson's community. Learn more Get Involved Moving Day Walk Parkinson's Champions Create Your Own Fundraiser Advocate With Us Local Resources Find an Event My PD Story Volunteer ... Support a Moving Day Walker Support a Parkinson's Champion Bequests & Planned ...

  5. Parkinson's Disease Foundation News

    Science.gov (United States)

    ... the entire Parkinson's community. Learn more Get Involved Moving Day Walk Parkinson's Champions Create Your Own Fundraiser Advocate With Us Local Resources Find an Event My PD Story Volunteer ... Support a Moving Day Walker Support a Parkinson's Champion Bequests & Planned ...

  6. Parkinson's Disease Videos

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    Full Text Available ... Late Stage Parkinson's Expert Briefings: Impulsive and Compulsive Behaviors in Parkinson's Expert Briefings: Complementary Approaches to Parkinson's ... What Do I Do if I Suspect Compulsive Behavior in a Loved One with PD? How Do ...

  7. Parkinson's Disease Videos

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    Full Text Available ... Late Stage Parkinson's Expert Briefings: Impulsive and Compulsive Behaviors in Parkinson's Expert Briefings: Complementary Approaches to Parkinson's ... y Respuestas con todos los presentadores Is Compulsive Behavior a Side Effect of PD Medications? ¿Cómo Se ...

  8. Unusual idiopathic normal pressure hydrocephalus patient with marked asymmetric and upper body parkinsonism

    Directory of Open Access Journals (Sweden)

    Kyunghun Kang

    2016-01-01

    Full Text Available Asymmetry of parkinsonian symptoms is strong evidence toward the diagnosis of Parkinson's disease (PD. Lower body parkinsonism is characteristic in idiopathic normal pressure hydrocephalus (INPH. We report an unusual INPH patient with marked asymmetric and upper body parkinsonism. An 83-year-old man presented with gait impairment and asymmetric clumsiness of movement. According to the Unified Parkinson's Disease Rating Scale (UPDRS, the motor subscore was 12 in the left limb and 8 in the right. The score was 14 for both the upper and lower body. After the cerebrospinal fluid tap test (CSFTT, he showed marked improvement in the upper body score. A loss of asymmetry of parkinsonian signs, with greater improvement in the left limb, was presented. Fluorinated N-3-fluoropropyl-2β-carbomethoxy-3β-(4-iodophenyl-nortropane (F-18 FP-CIT positron emission tomography (PET imaging was normal. In the differential diagnosis of elderly patients presenting with parkinsonism compatible with PD, we might need to consider a diagnosis of INPH.

  9. Lateralisation in Parkinson disease

    DEFF Research Database (Denmark)

    Riederer, P.; Jellinger, K. A.; Kolber, P.

    2018-01-01

    Asymmetry of dopaminergic neurodegeneration and subsequent lateralisation of motor symptoms are distinctive features of Parkinson’s disease compared to other forms of neurodegenerative or symptomatic parkinsonism. Even 200 years after the first description of the disease, the underlying causes...... for this striking clinicopathological feature are not yet fully understood. There is increasing evidence that lateralisation of disease is due to a complex interplay of hereditary and environmental factors that are reflected not only in the concept of dominant hemispheres and handedness but also in specific...

  10. Multiple modes of impulsivity in Parkinson's disease.

    Directory of Open Access Journals (Sweden)

    Cristina Nombela

    Full Text Available Cognitive problems are a major factor determining quality of life of patients with Parkinson's disease. These include deficits in inhibitory control, ranging from subclinical alterations in decision-making to severe impulse control disorders. Based on preclinical studies, we proposed that Parkinson's disease does not cause a unified disorder of inhibitory control, but rather a set of impulsivity factors with distinct psychological profiles, anatomy and pharmacology. We assessed a broad set of measures of the cognitive, behavioural and temperamental/trait aspects of impulsivity. Sixty adults, including 30 idiopathic Parkinson's disease patients (Hoehn and Yahr stage I-III and 30 healthy controls, completed a neuropsychological battery, objective behavioural measures and self-report questionnaires. Univariate analyses of variance confirmed group differences in nine out of eleven metrics. We then used factor analysis (principal components method to identify the structure of impulsivity in Parkinson's disease. Four principal factors were identified, consistent with four different mechanisms of impulsivity, explaining 60% of variance. The factors were related to (1 tests of response conflict, interference and self assessment of impulsive behaviours on the Barrett Impulsivity Scale, (2 tests of motor inhibitory control, and the self-report behavioural approach system, (3 time estimation and delay aversion, and (4 reflection in hypothetical scenarios including temporal discounting. The different test profiles of these four factors were consistent with human and comparative studies of the pharmacology and functional anatomy of impulsivity. Relationships between each factor and clinical and demographic features were examined by regression against factor loadings. Levodopa dose equivalent was associated only with factors (2 and (3. The results confirm that impulsivity is common in Parkinson's disease, even in the absence of impulse control disorders, and

  11. Integrated molecular landscape of Parkinson's disease

    NARCIS (Netherlands)

    Klemann, C.J.H.M.; Martens, G.J.; Sharma, M.; Martens, M.B.; Isacson, O.; Gasser, T.; Visser, J.E.; Poelmans, G.J.V.

    2017-01-01

    Parkinson's disease is caused by a complex interplay of genetic and environmental factors. Although a number of independent molecular pathways and processes have been associated with familial Parkinson's disease, a common mechanism underlying especially sporadic Parkinson's disease is still largely

  12. Magnetic resonance imaging in Parkinson's disease

    International Nuclear Information System (INIS)

    Moriwaka, Fumio; Tashiro, Kunio; Itoh, Kazunori; Miyasaka, Kazuo; Hamada, Takeshi.

    1992-01-01

    The width of substantia nigra (SN) in 59 cases of idiopathic Parkinson's disease as well as 21 normal controls was analyzed by T2 weighted image (T2WI) of 1.5 Tesla high-field magnetic resonance image (MRI). All patients and controls underwent MRI with the spin-echo sequences used TR/TE: 3000/30 (short TE), and TR/TE: 3000/80 (long TE), in 5-mm-thick volumes. The width between the red nucleus and the cerebral peduncle showing low signal intensity areas was measured as that of SN and its ratio to the distance from the aqueduct to the midline of the cerebral peduncle was also measured. The calculated values of the width of SN and its ratio were analyzed by Mann-Whitney test. The significant reduction in the width of SN and its ratio in Parkinson's disease were disclosed below: the mean calculated values of the width of SN were 2.95±0.51 mm in controls, 2.68±0.99 mm in Parkinson's disase on long TE images (P<0.01), and the mean ratio of the width of SN were 13.58±4.21% in controls, 10.52±3.07% in Parkinson's disease on long TE images (P=0.0002). The narrowing of SN in Parkinson's disease was more prominent in men, and advanced cases with Yahr stage III and IV. Considering that the pars reticulata, which is normally containing iron, shows low signal intensity on long TE images, the width of pars compacta could be measured more precisely on this sequences. The evaluation of the ratio of SN in midbrain on long TE images seemed to be more sensitive than the calculated values in detecting the narrowing of SN and pars compacta in Parkinson's disease. (author)

  13. Item Response Theory as an Efficient Tool to Describe a Heterogeneous Clinical Rating Scale in De Novo Idiopathic Parkinson's Disease Patients.

    Science.gov (United States)

    Buatois, Simon; Retout, Sylvie; Frey, Nicolas; Ueckert, Sebastian

    2017-10-01

    This manuscript aims to precisely describe the natural disease progression of Parkinson's disease (PD) patients and evaluate approaches to increase the drug effect detection power. An item response theory (IRT) longitudinal model was built to describe the natural disease progression of 423 de novo PD patients followed during 48 months while taking into account the heterogeneous nature of the MDS-UPDRS. Clinical trial simulations were then used to compare drug effect detection power from IRT and sum of item scores based analysis under different analysis endpoints and drug effects. The IRT longitudinal model accurately describes the evolution of patients with and without PD medications while estimating different progression rates for the subscales. When comparing analysis methods, the IRT-based one consistently provided the highest power. IRT is a powerful tool which enables to capture the heterogeneous nature of the MDS-UPDRS.

  14. Impaired Emotion Recognition in Music in Parkinson's Disease

    Science.gov (United States)

    van Tricht, Mirjam J.; Smeding, Harriet M. M.; Speelman, Johannes D.; Schmand, Ben A.

    2010-01-01

    Music has the potential to evoke strong emotions and plays a significant role in the lives of many people. Music might therefore be an ideal medium to assess emotion recognition. We investigated emotion recognition in music in 20 patients with idiopathic Parkinson's disease (PD) and 20 matched healthy volunteers. The role of cognitive dysfunction…

  15. Impaired emotion recognition in music in Parkinson's disease

    NARCIS (Netherlands)

    van Tricht, Mirjam J.; Smeding, Harriet M. M.; Speelman, Johannes D.; Schmand, Ben A.

    2010-01-01

    Music has the potential to evoke strong emotions and plays a significant role in the lives of many people. Music might therefore be an ideal medium to assess emotion recognition. We investigated emotion recognition in music in 20 patients with idiopathic Parkinson's disease (PD) and 20 matched

  16. Gender differences in Parkinson's disease

    NARCIS (Netherlands)

    Haaxma, Charlotte A.; Bloem, Bastiaan R.; Borm, George F.; Oyen, Wim J. G.; Leenders, Klaus L.; Eshuis, Silvia; Booij, Jan; Dluzen, Dean E.; Horstink, Martin W. I. M.

    Objective: To investigate gender differences in basic disease characteristics, motor deterioration and nigrostriatal degeneration in Parkinson's disease (PD). Methods: We studied 253 consecutive PD patients who were not receiving levodopa or dopamine agonists ( disease duration Results: Age at onset

  17. Gender differences in Parkinson's disease.

    NARCIS (Netherlands)

    Haaxma, C.A.; Bloem, B.R.; Borm, G.F.; Oyen, W.J.G.; Leenders, K.L.; Eshuis, S.; Booij, J.; Dluzen, D.E.; Horstink, M.W.I.M.

    2007-01-01

    OBJECTIVE: To investigate gender differences in basic disease characteristics, motor deterioration and nigrostriatal degeneration in Parkinson's disease (PD). METHODS: We studied 253 consecutive PD patients who were not receiving levodopa or dopamine agonists (disease duration < or = 10 years). We

  18. Gender differences in Parkinson's disease

    NARCIS (Netherlands)

    Haaxma, Charlotte A.; Bloem, Bastiaan R.; Borm, George F.; Oyen, Wim J. G.; Leenders, Klaus L.; Eshuis, Silvia; Booij, Jan; Dluzen, Dean E.; Horstink, Martin W. I. M.

    2007-01-01

    OBJECTIVE: To investigate gender differences in basic disease characteristics, motor deterioration and nigrostriatal degeneration in Parkinson's disease (PD). METHODS: We studied 253 consecutive PD patients who were not receiving levodopa or dopamine agonists (disease duration < or = 10 years). We

  19. Transcranial sonography and functional imaging in glucocerebrosidase mutation Parkinson disease.

    Science.gov (United States)

    Barrett, M J; Hagenah, J; Dhawan, V; Peng, S; Stanley, K; Raymond, D; Deik, A; Gross, S J; Schreiber-Agus, N; Mirelman, A; Marder, K; Ozelius, L J; Eidelberg, D; Bressman, S B; Saunders-Pullman, R

    2013-02-01

    Heterozygous glucocerebrosidase (GBA) mutations are the leading genetic risk factor for Parkinson disease, yet imaging correlates, particularly transcranial sonography, have not been extensively described. To determine whether GBA mutation heterozygotes with Parkinson disease demonstrate hyperechogenicity of the substantia nigra, transcranial sonography was performed in Ashkenazi Jewish Parkinson disease subjects, tested for the eight most common Gaucher disease mutations and the LRRK2 G2019S mutation, and in controls. [(18)F]-fluorodeoxyglucose or [(18)F]-fluorodopa positron emission tomography is also reported from a subset of Parkinson disease subjects with heterozygous GBA mutations. Parkinson disease subjects with heterozygous GBA mutations (n = 23) had a greater median maximal area of substantia nigral echogenicity compared to controls (n = 34, aSNmax = 0.30 vs. 0.18, p = 0.007). There was no difference in median maximal area of nigral echogenicity between Parkinson disease groups defined by GBA and LRRK2 genotype: GBA heterozygotes; GBA homozygotes/compound heterozygotes (n = 4, aSNmax = 0.27); subjects without LRRK2 or GBA mutations (n = 32, aSNmax = 0.27); LRRK2 heterozygotes/homozygotes without GBA mutations (n = 27, aSNmax = 0.28); and GBA heterozygotes/LRRK2 heterozygotes (n = 4, aSNmax = 0.32, overall p = 0.63). In secondary analyses among Parkinson disease subjects with GBA mutations, maximal area of nigral echogenicity did not differ based on GBA mutation severity or mutation number. [(18)F]-fluorodeoxyglucose (n = 3) and [(18)F]-fluorodopa (n = 2) positron emission tomography in Parkinson disease subjects with heterozygous GBA mutations was consistent with findings in idiopathic Parkinson disease. Both transcranial sonography and positron emission tomography are abnormal in GBA mutation associated Parkinson disease, similar to other Parkinson disease subjects. Copyright © 2012 Elsevier Ltd. All rights reserved.

  20. Oxysterols and Parkinson's disease

    DEFF Research Database (Denmark)

    Björkhem, Ingemar; Lövgren-Sandblom, Anita; Leoni, Valerio

    2013-01-01

    Oxysterols are important for cholesterol homeostasis in the brain and may be affected in neurodegenerative diseases. The levels of the brain-derived oxysterol 24S-hydroxycholesterol (24S-OH) have been reported to be markedly reduced in the circulation of patients with Parkinson's disease (PD) (Lee...... et al., Antioxid. Redox Signal. 11 (2009) 407-420). The finding is surprising in view of the fact that other neurodegenerative diseases are associated with relatively modest effects on the circulating levels of 24S-OH. We determined the plasma and cerebrospinal fluid (CSF) levels of 24S-OH and 27......-hydroxycholesterol (27-OH) in patients with PD with different disease duration using a highly accurate method based on isotope dilution-mass spectrometry. All the patients had plasma levels of the different oxysterols within the normal range. When analyzing CSF, 10% of the PD patients were found to have levels of 24...

  1. Psychosis in Parkinson's Disease.

    Science.gov (United States)

    Ffytche, Dominic H; Aarsland, Dag

    2017-01-01

    Although illusions, hallucinations and delusions did not play a prominent role in James Parkinson's original clinical descriptions, the longitudinal view of disease progression he advocated has important lessons for the study of such symptoms today. A focus on longitudinal progression rather than individual symptoms led to the concept of PD psychosis-a spectrum of positive symptoms in Parkinson's disease. The publication of criteria for PD psychosis in 2007 helped unify the disparate set of symptoms, raising their profile and resulting in a rapid expansion of literature focussing on clinical aspects, mechanisms, and treatment. Here we review this literature and the evolving view of PD psychosis. Adding to previous evidence of a prospective risk for dementia and the move to supervised care, key recent developments include: recognition of prevalence increase with disease duration; a broadening of symptoms included in PD psychosis; better characterization of higher visual and cognitive dysfunction risk factors; structural, functional, and neurotransmitter imaging biomarker evidence; and approval of pimavanserin in the United States for the treatment of PD psychosis. The accumulating evidence raises novel questions and directions for future research that promise a better understanding of the clinical management of PD psychosis and its role as a biomarker for PD stage and progression. © 2017 Elsevier Inc. All rights reserved.

  2. Presymptomatic detection of Parkinson's disease.

    Science.gov (United States)

    Jenner, P

    1993-01-01

    Presymptomatic detection of Parkinson's disease is necessary if neuroprotective therapies are to be utilized in its treatment. Various methods (PET, electrophysiology, enzyme assays, olfactory function) may be applicable but none has been rigorously evaluated. Other possible approaches are now considered. Plasma HVA levels (pHVA) in the presence of debrisoquine may reflect cerebral dopamine function. However, there are no detectable differences in pHVA between newly diagnosed and untreated parkinsonian patients and control subjects. Compensatory increases in dopamine turnover may mask a decrease in pHVA in the early stages of the disease. So, at present this technique could not be used as a diagnostic tool. Post-mortem studies of brain in Parkinson's disease may provide clues to biochemical markers indicative of nigral pathology. Mitochondrial complex I activity is reduced in substantia nigra in Parkinson's disease and it was reported also to be markedly reduced in blood platelets. However, subsequent studies suggest that the difference in platelet complex I activity is too small to be diagnostic of Parkinson's disease. There are also selective reductions in brain glutathione levels in Parkinson's disease restricted to substantia nigra, which do not occur in other neurodegenerative disorders and are not due to drug treatment. Importantly, in incidental Lewy body disease (preclinical Parkinson's disease) nigral glutathione levels are reduced to the same degree as in advanced Parkinson's disease. So, some peripheral index of altered glutathione function may be valuable in the early detection of the disease process.

  3. Parkinson's Disease Videos

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    Full Text Available ... Early Signs Movement Symptoms Non-Movement Symptoms Diagnosis Treatment Understanding Parkinson's There is a lot to know ... about symptoms, how it is diagnosed and what treatment options are available. Learn More Living with Parkinson's ...

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    Full Text Available ... Miami, FL 33131 NY: 1359 Broadway, Suite 1509, New York, NY 10018 contact@parkinson.org Press Room Ask ... Miami, FL 33131 NY: 1359 Broadway, Suite 1509, New York, NY 10018 contact@parkinson.org

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    Full Text Available ... for Swallowing Problems? What Are the Risks and Benefits of DBS Surgery? CareMAP: Cambios para Realizar en ... for People with Parkinson's? What Are the Neuroprotective Benefits of Exercise for PD Patients? How Does Parkinson's ...

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    Full Text Available ... Symptoms of PD Expert Briefings: The Effects of Exercise on PD Expert Briefings: Parkinson's and Parenting Expert ... Sleep: Part 2 Ask the Helpline: Why Is Exercise Important for People with Parkinson's? What Are the ...

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  12. Parkinson's Disease Videos

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    Full Text Available ... care that bring hope to the entire Parkinson's community. Learn more Get Involved Moving Day Walk Parkinson's ... Are Some Strategies to Improve the Quality of Community Care for PD Patients? CareMAP: Bathroom: Part 2 ...

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  16. Parkinson's Disease Videos

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    Full Text Available ... Son las Causas del Parkinson? ¿Existen Otros Trastornos que Tienen Síntomas Similares? CareMAP: Advice for Caregivers from ... las diferentes formas y etapas del Parkinson? ¿Cómo es la progresión del Parkinson? Caregiver Summit 2016: The ...

  17. Validation of hospital register-based diagnosis of Parkinson's disease

    DEFF Research Database (Denmark)

    Wermuth, Lene; Lassen, Christina Funch; Himmerslev, Liselotte

    2012-01-01

    Denmark has a long-standing tradition of maintaining one of the world's largest health science specialized register data bases as the National Hospital Register (NHR). To estimate the prevalence and incidence of diseases, the correctness of the diagnoses recorded is critical. Parkinson's disease...... (PD) is a neurodegenerative disorder and only 75-80% of patients with parkinsonism will have idiopathic PD (iPD). It is necessary to follow patients in order to determine if some of them will develop other neurodegenerative diseases and a one-time-only diagnostic code for iPD reported in the register...

  18. Initial treatment of Parkinson's disease.

    Science.gov (United States)

    Tarsy, Daniel

    2006-05-01

    Initial treatment of early idiopathic Parkinson's disease (PD) begins with diagnosis based on clinical evaluation supplemented by laboratory studies and brain imaging to exclude causes of secondary parkinsonism. In most cases, testing is normal and the diagnosis of PD rests on clinical criteria. In patients with mild symptoms and signs, the diagnosis of PD may not initially be apparent, and follow-up evaluation is needed to arrive at a diagnosis. Once the diagnosis is made, pharmacologic treatment may not be the first step. First, patient education is essential, especially because PD is a high-profile disease for which information and misinformation are readily available to patients and families. Counseling concerning prognosis, future symptoms, future disability, and treatment must be provided. Questions from patients concerning diet, lifestyle, and exercise are especially common at this point. The decision of when to initiate treatment is the next major consideration. Much controversy but relatively little light has been brought to bear on this issue. L-dopa was the first major antiparkinson medication to be introduced and remains the "gold standard" of treatment. Next in efficacy are the dopamine agonists (DAs). A debate has raged concerning whether initial dopaminergic treatment should be with L-dopa or DAs. Physicians have been concerned about forestalling the appearance of dyskinesias and motor fluctuations, whereas patients have incorrectly understood that L-dopa and possibly other antiparkinson drugs have a finite duration of usefulness, making it important to defer treatment for as long as possible. This has created "L-dopa phobia," which may stand in the way of useful treatment. In spite of this controversy, there is uniform agreement that the appropriate time to treat is when the patient is beginning to be disabled. This varies from patient to patient and depends on age, employment status, nature of job, level of physical activity, concern about

  19. Parkinson's Disease Videos

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    Full Text Available ... have better quality of life. Learn More Research Research We Fund Parkinson's Outcomes Project Grant Opportunities Science News & Progress Patient Engagement Research Our research has ...

  20. Parkinson's Disease Videos

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    Full Text Available ... Medical Planning Tips for Care Partners Nurse Webinars: Nursing Solutions: Innovations in PD Nurse Education CareMAP: Managing Advanced Parkinson's Website Nurse Webinars: Nursing ...

  1. Parkinson's Disease Videos

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  2. Parkinson disease and positron tomography

    International Nuclear Information System (INIS)

    Baron, J.C.

    1984-10-01

    Physiopathologic investigations of Parkinson disease and parkinsonian syndrome using positron tomography are briefly reviewed: study of cerebral blood flow and metabolism; effects of L-DOPA; study of dopaminergic receptors and of 18 F-Fluoro-L-DOPA incorporation [fr

  3. Parkinson's Disease Videos

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  4. Parkinson's Disease Videos

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  7. Parkinson's Disease Videos

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  10. Parkinson's Disease Videos

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  11. Pain in Parkinson's Disease

    Science.gov (United States)

    ... the entire Parkinson's community. Learn more Get Involved Moving Day Walk Parkinson's Champions Create Your Own Fundraiser Advocate With ... by a physical therapist Get active and keep moving. Exercise helps ... 30-45 minutes daily. Walking, swimming, yoga, tai chi, dancing, etc. are all ...

  12. Mobility (Parkinson's Disease)

    Science.gov (United States)

    ... the entire Parkinson's community. Learn more Get Involved Moving Day Walk Parkinson's Champions Create Your Own Fundraiser Advocate With ... might seem counterintuitive, but to increase your confidence moving, you have to ... as you are able. Walk with a friend or family member. Exercise does ...

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  14. Using 'swallow-tail' sign and putaminal hypointensity as biomarkers to distinguish multiple system atrophy from idiopathic Parkinson's disease: A susceptibility-weighted imaging study

    Energy Technology Data Exchange (ETDEWEB)

    Wang, Na; Yang, HuaGuang; Li, ChengBo; Fan, GuoGuang [The First Affiliated Hospital of China Medical University, Department of Radiology, Shenyang, Liaoning (China); Luo, XiaoGuang [The First Affiliated Hospital of China Medical University, Department of Neurology, Shenyang, Liaoning (China)

    2017-08-15

    To investigate the value of 'swallow-tail' sign and putaminal hypointensity on 3 T susceptibility-weighted imaging (SWI) for distinguishing multiple system atrophy (MSA) from idiopathic Parkinson's disease (IPD). Three groups - 39 MSA patients, 18 IPD patients,and 31 healthy controls (HCs) - were administered a 3 T SWI sequence to evaluate 'swallow-tail' sign and putaminal hypointensity using visual scales from 0 to 2 and 0 to 3 scores, respectively. The diagnostic accuracy of the two signs separately and combined was calculated using a receiver operating characteristic curve, with clinical diagnosis as the gold standard. The scores of 'swallow-tail' sign were lower in IPD than in MSA or in HCs, as well as for putaminal hypointensity in IPD or HCs than in MSA (p < 0.05). The sensitivity and specificity of 'swallow-tail' sign and putaminal hypointensity were 87.9% and 83.3%, and 35.9% and 100%, respectively, in the respective patient groups. The area under the curve of combined signs was increased from 0.85 ('swallow tail') or 0.68 (putaminal hypointensity) to 0.93. The combination of 'swallow-tail' sign and putaminal hypointensity can increase the accuracy of discriminating between MSA and IPD. (orig.)

  15. Nutraceuticals in Parkinson's Disease.

    Science.gov (United States)

    Hang, Liting; Basil, Adeline Henry; Lim, Kah-Leong

    2016-09-01

    Current pharmacological strategies for Parkinson's disease (PD), the most common neurological movement disorder worldwide, are predominantly symptom relieving and are often plagued with undesirable side effects after prolonged treatment. Despite this, they remain as the mainstay treatment for PD due to the lack of better alternatives. Nutraceuticals are compounds derived from natural food sources that have certain therapeutic value and the advent of which has opened doors to the use of alternative strategies to tackle neurodegenerative diseases such as PD. Notably, nutraceuticals are able to position themselves as a "safer" strategy due to the fact that they are naturally derived compounds, therefore possibly having less side effects. Significant efforts have been put into better comprehending the role of nutraceuticals in PD, and we will look at some of them in this review. Broadly speaking, these compounds execute their positive effects via modulating signalling pathways, inhibiting oxidative stress, inflammation and apoptosis, as well as regulating mitochondrial homoeostasis. Importantly, we will highlight how a component of green tea, epigallocatechin-3-gallate (EGCG), confers neuroprotection in PD via its ability to activate AMP kinase and articulate how its beneficial effects in PD are possibly due to enhancing mitochondrial quality control.

  16. A comparison of Irish set dancing and exercises for people with Parkinson?s disease: A phase II feasibility study

    OpenAIRE

    Volpe, Daniele; Signorini, Matteo; Marchetto, Anna; Lynch, Timothy; Morris, Meg E

    2013-01-01

    Background People with idiopathic Parkinson?s disease (PD) frequently have low activity levels, poor mobility and reduced quality of life. Although increased physical activity may improve mobility, balance and wellbeing, adherence to exercises and activity programs over the longer term can be challenging, particularly for older people with progressive neurological conditions such as PD. Physical activities that are engaging and enjoyable, such as dancing, might enhance adherence over the long...

  17. Quantitative Susceptibility Mapping in Parkinson's Disease.

    Science.gov (United States)

    Langkammer, Christian; Pirpamer, Lukas; Seiler, Stephan; Deistung, Andreas; Schweser, Ferdinand; Franthal, Sebastian; Homayoon, Nina; Katschnig-Winter, Petra; Koegl-Wallner, Mariella; Pendl, Tamara; Stoegerer, Eva Maria; Wenzel, Karoline; Fazekas, Franz; Ropele, Stefan; Reichenbach, Jürgen Rainer; Schmidt, Reinhold; Schwingenschuh, Petra

    2016-01-01

    Quantitative susceptibility mapping (QSM) and R2* relaxation rate mapping have demonstrated increased iron deposition in the substantia nigra of patients with idiopathic Parkinson's disease (PD). However, the findings in other subcortical deep gray matter nuclei are converse and the sensitivity of QSM and R2* for morphological changes and their relation to clinical measures of disease severity has so far been investigated only sparsely. The local ethics committee approved this study and all subjects gave written informed consent. 66 patients with idiopathic Parkinson's disease and 58 control subjects underwent quantitative MRI at 3T. Susceptibility and R2* maps were reconstructed from a spoiled multi-echo 3D gradient echo sequence. Mean susceptibilities and R2* rates were measured in subcortical deep gray matter nuclei and compared between patients with PD and controls as well as related to clinical variables. Compared to control subjects, patients with PD had increased R2* values in the substantia nigra. QSM also showed higher susceptibilities in patients with PD in substantia nigra, in the nucleus ruber, thalamus, and globus pallidus. Magnetic susceptibility of several of these structures was correlated with the levodopa-equivalent daily dose (LEDD) and clinical markers of motor and non-motor disease severity (total MDS-UPDRS, MDS-UPDRS-I and II). Disease severity as assessed by the Hoehn & Yahr scale was correlated with magnetic susceptibility in the substantia nigra. The established finding of higher R2* rates in the substantia nigra was extended by QSM showing superior sensitivity for PD-related tissue changes in nigrostriatal dopaminergic pathways. QSM additionally reflected the levodopa-dosage and disease severity. These results suggest a more widespread pathologic involvement and QSM as a novel means for its investigation, more sensitive than current MRI techniques.

  18. Clinical correlation of the binding potential with {sup 123}I-FP-CIT in de novo idiopathic Parkinson's disease patients

    Energy Technology Data Exchange (ETDEWEB)

    Berti, Valentina; Pupi, Alberto; Vanzi, Eleonora; Cristofaro, Maria Teresa de; Pellicano, Giannantonio; Mungai, Francesco [University of Florence, Clinical Pathophysiology, Florence (Italy); Ramat, Silvia; Marini, Paolo; Sorbi, Sandro [University of Florence, Neurological and Psychiatric Sciences, Florence (Italy)

    2008-12-15

    The aim of this study was to evaluate the accuracy of different single-photon emission computed tomography (SPECT) reconstruction techniques in measuring striatal N-{omega}-fluoropropyl-2{beta}-carbomethoxy-3{beta}-4-[{sup 123}I]iodophenyl-nortropane ({sup 123}I-FP-CIT) binding in de novo Parkinson's disease (PD) patients, in order to find a correlation with clinical scales of disease severity in the initial phases of disease. Thirty-six de novo PD patients underwent {sup 123}I-FP-CIT SPECT and MRI scan. SPECT data were reconstructed with filtered back projection (FBP), with an iterative algorithm (ordered subset expected maximization, OSEM) and with a method previously developed in our institution, called least-squares (LS) method. The ratio of specific to non-specific striatal {sup 123}I-FP-CIT binding (binding potential, BP) was used as the outcome measure with all the reconstruction methods (BP{sub FBP}, BP{sub OSEM}, BP{sub LS}). The range of values of striatal BP{sub LS} was significantly greater than BP{sub FBP} and BP{sub OSEM}. For all striatal regions, estimates of BP{sub FBP} correlated well with BP{sub OSEM} (r=0.84) and with BP{sub LS} (r=0.64); BP{sub OSEM} correlated significantly with BP{sub LS} (r=0.76). A good correlation was found between putaminal BP{sub LS} and Hoen and Yahr, Unified PD Rating Scale (UPDRS) and lateralized UPDRS motor scores (r=-0.46, r=-0.42, r=-0.39, respectively). Neither putaminal BP{sub FBP} nor putaminal BP{sub OSEM} correlated with any of these motor scores. In de novo PD patients, {sup 123}I-FP-CIT BP values derived from FBP and OSEM reconstruction techniques do not permit to differentiate PD severity. The LS method instead finds a correlation between striatal BP and disease severity scores. The results of this study support the use of {sup 123}I-FP-CIT BP values estimated with the LS method as a biomarker of PD severity. (orig.)

  19. Therapeutic Dancing for Parkinson's Disease

    Directory of Open Access Journals (Sweden)

    Lorenna Pryscia Carvalho Aguiar

    2016-06-01

    Full Text Available Therapeutic dancing has been advocated as an effective adjunct to conventional physical therapies for people living with Parkinson's disease (PD. This systematic review evaluates studies on the outcomes of different dance genres on mobility and quality of life in PD. We searched databases including CINHAL (1982–2015, Medline (1922–2015, Scopus (1996–2015, Web of Science (2002–2015, Embase (2007–2015, PEDro (1999–2015 and the Cochrane Library (1996–2015. The key words were: Parkinson's disease, Parkinson*, Parkinsonism, dance, dance therapy, dance genres, safety, feasibility, and quality of life. Two independent investigators reviewed the texts. Only randomized controlled trials, quasirandomized controlled trials, and case series studies were included. There was emerging evidence that therapeutic dance can be safe and feasible for people with mild to moderately severe PD, with beneficial effects on walking, freezing of gait, and health related quality of life.

  20. Gene Therapy for Parkinson's Disease

    Directory of Open Access Journals (Sweden)

    Rachel Denyer

    2012-01-01

    Full Text Available Current pharmacological and surgical treatments for Parkinson's disease offer symptomatic improvements to those suffering from this incurable degenerative neurological disorder, but none of these has convincingly shown effects on disease progression. Novel approaches based on gene therapy have several potential advantages over conventional treatment modalities. These could be used to provide more consistent dopamine supplementation, potentially providing superior symptomatic relief with fewer side effects. More radically, gene therapy could be used to correct the imbalances in basal ganglia circuitry associated with the symptoms of Parkinson's disease, or to preserve or restore dopaminergic neurons lost during the disease process itself. The latter neuroprotective approach is the most exciting, as it could theoretically be disease modifying rather than simply symptom alleviating. Gene therapy agents using these approaches are currently making the transition from the laboratory to the bedside. This paper summarises the theoretical approaches to gene therapy for Parkinson's disease and the findings of clinical trials in this rapidly changing field.

  1. Noradrenaline and Parkinson's disease

    Directory of Open Access Journals (Sweden)

    Claire eDelaville

    2011-05-01

    Full Text Available Parkinson’s disease (PD is characterized by the degeneration of dopamine (DA neurons in the substantia nigra pars compacta, and motor symptoms including bradykinesia, rigidity and tremor at rest. These symptoms are manifest when around 70% of striatal DA is lost. In addition to motor deficits, PD is also characterized by the manifestation of non-motor symptoms. However, depletion of DA alone in animal models has failed to simultaneously elicit both the motor and non-motor deficits of PD because the disease is a multi-system disorder that features a profound loss of other neurotransmitter systems. There is growing evidence that additional loss of noradrenaline (NA neurons of the locus coeruleus, the principal source of NA in the brain, could be involved in the clinical expression of motor as well as in non-motor deficits. In the present review, we analyzed the latest data obtained from animal models of parkinsonism and from parkinsonian patients providing evidence for the implication of NA in the pathophysiology of PD. Recent studies have shown that NA depletion alone or combined with DA depletion resulted in motor as well as in non-motor dysfunctions. In addition, by using selective agonists and antagonists of alpha receptors we, and others, have shown that α2 receptors are implicated in the control of motor activity and that α2 receptor antagonists can improve PD motor symptoms as well as L-Dopa-induced dyskinesia. Here we provide arguments that the loss of NA neurons in PD has an impact on all PD symptoms and that the association of NAergic agents to dopaminergic medication can be beneficial in the treatment of the disease.

  2. Parkinson's Disease Videos

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  18. Parkinson's Disease Videos

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    Full Text Available ... to breakthroughs in treatment and improved care that bring hope to the entire Parkinson's community. Learn more ... Following a Medication Schedule? How Does the DBS Device Work? CareMAP: Cambios para Realizar en Casa, Parte ...

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  1. Parkinson's Disease Videos

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  3. Parkinson's Disease Videos

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  11. Dysphagia in Parkinson's Disease.

    Science.gov (United States)

    Suttrup, Inga; Warnecke, Tobias

    2016-02-01

    More than 80 % of patients with Parkinson's disease (PD) develop dysphagia during the course of their disease. Swallowing impairment reduces quality of life, complicates medication intake and leads to malnutrition and aspiration pneumonia, which is a major cause of death in PD. Although the underlying pathophysiology is poorly understood, it has been shown that dopaminergic and non-dopaminergic mechanisms are involved in the development of dysphagia in PD. Clinical assessment of dysphagia in PD patients is challenging and often delivers unreliable results. A modified water test assessing maximum swallowing volume is recommended to uncover oropharyngeal dysphagia in PD. PD-specific questionnaires may also be useful to identify patients at risk for swallowing impairment. Fiberoptic endoscopic evaluation of swallowing and videofluoroscopic swallowing study are both considered to be the gold standard for evaluation of PD-related dysphagia. In addition, high-resolution manometry may be a helpful tool. These instrumental methods allow a reliable detection of aspiration events. Furthermore, typical patterns of impairment during the oral, pharyngeal and/or esophageal swallowing phase of PD patients can be identified. Therapy of dysphagia in PD consists of pharmacological interventions and swallowing treatment by speech and language therapists (SLTs). Fluctuating dysphagia with deterioration during the off-state should be treated by optimizing dopaminergic medication. The methods used during swallowing treatment by SLTs shall be selected according to the individual dysphagia pattern of each PD patient. A promising novel method is an intensive training of expiratory muscle strength. Deep brain stimulation does not seem to have a clinical relevant effect on swallowing function in PD. The goal of this review is giving an overview on current stages of epidemiology, pathophysiology, diagnosis, and treatment of PD-associated dysphagia, which might be helpful for neurologists

  12. Parkinson's Disease: Leucine-Rich Repeat Kinase 2 and Autophagy, Intimate Enemies

    Directory of Open Access Journals (Sweden)

    José M. Bravo-San Pedro

    2012-01-01

    Full Text Available Parkinson's disease is the second common neurodegenerative disorder, after Alzheimer's disease. It is a clinical syndrome characterized by loss of dopamine-generating cells in the substancia nigra, a region of the midbrain. The etiology of Parkinson's disease has long been through to involve both genetic and environmental factors. Mutations in the leucine-rich repeat kinase 2 gene cause late-onset Parkinson's disease with a clinical appearance indistinguishable from Parkinson's disease idiopathic. Autophagy is an intracellular catabolic mechanism whereby a cell recycles or degrades damage proteins and cytoplasmic organelles. This degradative process has been associated with cellular dysfunction in neurodegenerative processes including Parkinson's disease. We discuss the role of leucine-rich repeat kinase 2 in autophagy, and how the deregulations of this degradative mechanism in cells can be implicated in the Parkinson's disease etiology.

  13. Parkinsonism and tremor disorders: A clinical approach | Benamer ...

    African Journals Online (AJOL)

    Differentiation of idiopathic Parkinson's disease from other causes of Parkinsonism, such as Multiple System Atrophy, Progressive Supranuclar Palsy and Vascular Parkinsonism can be difficult. Clinicopathological studies suggest that the clinical diagnosis of idiopathic Parkinson's disease is 76% reliable. Also, clinical ...

  14. Positron emission tomography suggests that the rate of progression of idiopathic parkinsonism is slow

    International Nuclear Information System (INIS)

    Bhatt, M.H.; Snow, B.J.; Martin, W.R.; Pate, B.D.; Ruth, T.J.; Calne, D.B.

    1991-01-01

    The authors performed sequential positron emission tomography scans with 6-[18F]fluoro-L-dopa in 9 patients with idiopathic parkinsonism and 7 age-matched normal control subjects to compare changes in the nigrostriatal dopaminergic pathway over time. The mean interval between the scans was 3.3 years for the group with idiopathic parkinsonism and 3.9 years for the control subjects. The scans were analyzed by calculating the ratio of striatal to background radioactivity. Both groups showed statistically significant reductions of striatal uptake over the interval. The rate of decrease was almost identical in each group (p = 0.6). They infer that the usual rate of loss of integrity of the dopaminergic nigrostriatal pathway in patients with idiopathic parkinsonism is slow and the rate of change between the two groups was comparable

  15. Managing Parkinson's disease with continuous dopaminergic stimulation

    NARCIS (Netherlands)

    Wolters, Erik; Lees, Andrew J.; Volkmann, Jens; van Laar, Teus; Hovestadt, Ad

    The pathophysiology of Parkinson's disease is marked by the loss of dopaminergic neurons, which leads to striatal dopaminergic deficiency. This causes resting tremor, hypokinesia, rigidity, bradykinesia, and loss of postural reflexes. Most current treatments for Parkinson's disease aim to restore

  16. Non-motor symptoms of Parkinson's disease

    National Research Council Canada - National Science Library

    Chaudhuri, K. Ray

    2009-01-01

    ... dysfunction of Parkinson's disease 95 Daisy L. Whitehead and Richard. G. Brown 9 Depression, anxiety and apathy in Parkinson's disease 107 David A. Gallagher and Anette Schrag 10 Dementia in Pa...

  17. Neuregulins, Neuroprotection and Parkinson's Disease

    National Research Council Canada - National Science Library

    Yurek, David M; Seroogy, Kim B

    2006-01-01

    ... s disease, in primary neuronal cultures of midbrain dopamine cells, and in a dopaminergic cell line. Overall, results from these studies may form the basis for the therapeutic application of neuregulins to the treatment of neurotoxin-induced neurodegenerative disorders such as Parkinson's disease.

  18. Contributions of positron emission tomography to elucidating the pathogenesis of idiopathic Parkinsonism and dopa responsive dystonia

    International Nuclear Information System (INIS)

    Calne, D.B.; Fuente-Fernandez, R. de la; Kishore, A.

    1996-01-01

    The metabolic mapping of brain activity. using PET, confirms the conventional wisdom of neurophysiology. In studies of pathophysiology, PET has yielded evidence that has generated new hypotheses. Progression of the lesion detectable with fluorodopa, in human subjects exposed to MPTP, raises the possibility of a transient environmental event being a cause of progressive neurodegeneration. Studies with fluorodopa in Idiopathic Parkinsonism indicate that the rate of loss of neurons is faster initially, and then tends to approach the normal age-related decline. In dopa responsive dystonia, the finding of normal fluorodopa PET led to the prediction that the lesion would be functional rather than anatomical; this has been confirmed by the identification of a defect in dopamine synthesis in this disorder. Finally, new PET ligands show promise for future studies designed to unravel the pathogenesis of diseases involving the basal ganglia. (author)

  19. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Young Onset Parkinson Conference: Lessons Learned How Does the DBS Device Work? CareMAP: Cambios para Realizar en Casa, Parte 1 CareMAP: Mealtime and Swallowing: Part 1 What Do I Do if I Suspect Compulsive Behavior ...

  20. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Expert Briefings: Caring for a Person with Late Stage Parkinson's Expert Briefings: Impulsive and Compulsive Behaviors in ... Surgery? CareMAP: Managing Caregiver Stress CareMAP: End-of-Life Care Natalie Diaz, MD, Harbor-UCLA Medical Center: “ ...

  1. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Tips for Care Partners Nurse Webinars: Nursing Solutions: Innovations in PD Nurse Education CareMAP: Managing Advanced Parkinson's ... Medications? What to Expect Emotionally What are some strategies to prevent falls in PD patients? CareMAP: Mealtime ...

  2. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Caregiver Stress CareMAP: Getting Dressed CareMAP: End-of-Life Care CareMAP: Thinking Changes: Part 1 Adolfo Diaz, PTA, NPF - National Parkinson Foundation CareMAP: Challenges and Rewards of Caregiving What Are the Risks ...

  3. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Sleep: Part 2 How Does the DBS Device Work? CareMAP: The Caregiving Journey CareMAP: Cambios para Realizar ... MAPC - Parkinson- Pasion, Positivismo y Participacion” CareMAP: Balancing Life and Caregiving CareMAP: Travel and Transportation: Part 1 ...

  4. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... What Does a Caregiver Need to Know About Cognitive Impairment? CareMAP: Movimientos y Caídas, Parte 1 How ... CareMAP: Movimientos y Caídas, Parte 2 Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners Caregiver Summit ...

  5. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Bringing Care to You Expert Care Programs Professional Education Expert Care Research shows people with Parkinson’s who seek skilled care are at a lower risk of complications and have better quality of life. Learn More Research Research We Fund Parkinson's Outcomes ...

  6. Parkinson's Disease Videos

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    Full Text Available ... PTA, NPF - National Parkinson Foundation CareMAP: Managing Caregiver Stress CareMAP: End-of-Life Care CareMAP: Thinking Changes: ... and Delusions How Does Depression Affect the Patient's Family and Social Network? CareMAP: Medicamentos y la Salud ...

  7. Parkinson's Disease Videos

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    Full Text Available ... Psychosis: A Caregiver’s Story CareMAP: Medications and General Health Part 1 CareMAP: Las Actividades en Casa What ... la Enfermedad de Parkinson CareMAP: Medications and General Health Part 2 CareMAP: El Descanso y el Sueño, ...

  8. Parkinson's Disease Videos

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    Full Text Available ... Parkinson’s Wellness Program: Step by Step CareMAP: Balancing Life and Caregiving Young Onset Parkinson Conference: Lessons Learned CareMAP: Travel and Transportation: Part 1 How Does the DBS Device Work? CareMAP: Mealtime and Swallowing: Part 1 CareMAP: Cambios ...

  9. Parkinson's Disease Videos

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    Full Text Available ... Improving Parkinson's Care Everywhere CareMAP: El Descanso y el Sueño, Parte 1 CareMAP: La Alimentación y la Deglución, ... and Swallowing: Part 2 CareMAP: El Descanso y el Sueño, Parte 2 What Does a Caregiver Need to ...

  10. Parkinson's Disease Videos

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    Full Text Available ... Following a Medication Schedule? CareMAP: Medications and General Health Part 1 Ask the Helpline: What Is a ... Discussion ¿Cómo Se Diagnostica el Parkinson? CareMAP: Prioritizing Health Needs of the Caregiver CareMAP: Putting Things in ...

  11. Parkinson's Disease Videos

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    Full Text Available ... Care for PD Patients? CareMAP: Bathroom: Part 2 What Do Caregivers Need to Know? Why Is Comprehensive Care or ... out some of our most read additions below: What You and Your Family Should Know Medications Fitness Counts Caring & Coping Caregiver's Guide Managing Parkinson's Mid-Stride: A Treatment Guide ...

  12. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Following a Medication Schedule? CareMAP: Medications and General Health Part 1 What Is Patient-Centered Care? Hallucinations ... Thinking Changes: Part 2 CareMAP: Medications and General Health Part 2 ¿Cómo Se Diagnostica el Parkinson? CareMAP: ...

  13. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Overlooked PD Symptoms Nursing Solutions: PD Medication Adherence Challenges Jose Maria Lobo y Voces Del Párkinson: “Soy ... NY Nightly News with Chuck Scarborough Expert Briefings: Challenges of Advanced Parkinson's and Tips for Better Living ...

  14. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Statistics Early Signs Movement Symptoms Non-Movement Symptoms Diagnosis Treatment Understanding Parkinson's There is a lot to ... Soy el compas de otra canción” Expert Briefings: Diagnosis PD, Now What? Managing the First Few Years ...

  15. Parkinson's Disease Videos

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    Full Text Available ... Solutions: PD Medication Adherence Challenges Jose Maria Lobo y Voces Del Párkinson: “Soy el compas de otra ... Solutions: Improving Parkinson's Care Everywhere CareMAP: La Alimentación y la Deglución, Parte 1 CareMAP: El Baño, Parte ...

  16. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... MAPC - Parkinson- Pasion, Positivismo y Participacion” CareMAP: Balancing Life and Caregiving CareMAP: Travel and Transportation: Part 1 ... el Sueño, Parte 2 Dealing with Dementia CareMAP: Life Beyond This Life Is Compulsive Behavior a Side ...

  17. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... Caregivers Living with Parkinson's While living with PD can be challenging, there are many things you can do to maintain and improve your quality of ... Ways to Give There are many ways you can support the fight against Parkinson’s. Whatever form your ...

  18. Parkinson's Disease Videos

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    Full Text Available ... Health Part 2 How Does the DBS Device Work? ¿Cómo Se Diagnostica el Parkinson? CareMAP: Cambios para ... Depression, Anxiety & Psychosis What Are Some Strategies for Problems with Urination? CareMAP: Changes Around the House: Part ...

  19. Parkinson's Disease Videos

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    Full Text Available ... What Does a Caregiver Need to Know About Cognitive Impairment? CareMAP: Getting Dressed How Do I Manage ... Tips for Following a Medication Schedule? Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners CareMAP: Medications ...

  20. Parkinson's Disease Videos

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    Full Text Available ... Swallowing: Part 1 CareMAP: Cambios para Realizar en Casa, Parte 1 What Do I Do if I ... la progresión del Parkinson? CareMAP: Las Actividades en Casa How Can Falls Be Prevented? How Can Caregivers ...

  1. Parkinson's Disease Videos

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    Full Text Available ... Help CareMAP: Peace in Caring CareMAP: Rest and Sleep: Part 2 What Are the Causes of Parkinson's ... to Get Help? Unconditional Love CareMAP: Rest and Sleep: Part 1 CareMAP: The Caregiving Journey Caregiver Summit ...

  2. Parkinson's Disease Videos

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    Full Text Available ... One Is It? CareMAP: El Descanso y el Sueño, Parte 1 Expert Briefings: What's in the PD ... Care Between Appointments? CareMAP: El Descanso y el Sueño, Parte 2 Hallucinations and Parkinson's with Dr. Friedman ...

  3. Parkinson's Disease Videos

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    Full Text Available ... Expert Briefings: Nutrition and Parkinson's CareMAP: End-of-Life Care CareMAP: Thinking Changes: Part 1 Ask the ... Medicinal: “Terapia fisica para el Parkinson” CareMAP: Balancing Life and Caregiving CareMAP: Travel and Transportation: Part 1 ...

  4. Parkinson's Disease Videos

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    Full Text Available ... Improving Parkinson's Care Everywhere CareMAP: El Descanso y el Sueño, Parte 1 CareMAP: La Alimentación y la Deglución, ... That Have Similar Symptoms? CareMAP: El Descanso y el Sueño, Parte 2 How Does Depression Affect the Patient's ...

  5. Parkinson's Disease Videos

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    Full Text Available ... Expert Briefings: Nutrition and Parkinson's CareMAP: End-of-Life Care CareMAP: Thinking Changes: Part 1 Ask the Helpline: Why Does Caregiving Change ... Medicinal: “Terapia fisica para el Parkinson” CareMAP: Balancing Life and Caregiving ... and Transportation: Part 1 Why Dance for PD? CareMAP: Mealtime and ...

  6. Parkinson's Disease Videos

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    Full Text Available ... CareMAP: Dealing with Dementia CareMAP: Medications and General Health Part 1 CareMAP: Cambios en el Pensamiento y ... 2 CareMAP: Getting Dressed CareMAP: Medications and General Health Part 2 ¿Cómo Se Diagnostica el Parkinson? Adolfo ...

  7. Parkinson's Disease Videos

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    Full Text Available ... What Does a Caregiver Need to Know About Cognitive Impairment? CareMAP: Movimientos y Caídas, Parte 2 How ... para Realizar en Casa, Parte 1 Expert Briefings: Cognitive Issues: Advice for Parkinson's Care Partners CareMAP: Prioritizing ...

  8. Parkinson's Disease Videos

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    Full Text Available ... Your Area Resources & Support PD Library Legal, Financial, & Insurance Matters Blog For Caregivers Living with Parkinson's While ... Following a Medication Schedule? CareMAP: Medications and General Health Part 1 Panel de Expertos: Sesión de Preguntas ...

  9. Parkinson's Disease Videos

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    Full Text Available ... Story CareMAP: Activities at Home Aware in Care: Real Stories CareMAP: Caring for Someone with Advanced Parkinson's ... Expert Briefings: Depression and PD: Treatment Options CareMAP: Travel and Transportation: Part 2 Ask the Helpline: What ...

  10. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... 2 ¿Cómo Se Diagnostica el Parkinson? CareMAP: Prioritizing Health Needs of the Caregiver What Is the Impact of PD Medications on Excessive Daytime Sleepiness? Is Compulsive Behavior a Side Effect of PD Medications? CareMAP: Preparing Paid Caregivers What ...

  11. Role of rasagiline in treating Parkinson?s disease: Effect on disease progression

    OpenAIRE

    Malaty, Irene A; Fernandez, Hubert H

    2009-01-01

    Rasagiline is a second generation, selective, irreversible monoamine oxidase type B (MAO-B) inhibitor. It has demonstrated efficacy in monotherapy for early Parkinson?s disease (PD) patients in one large randomized, placebo-controlled trial (TVP-1012 in Early Monotherapy for Parkinson?s Disease Outpatients), and has shown ability to reduce off time in more advanced PD patients with motor fluctuations in two large placebo-controlled trials (Parkinson?s Rasagiline: Efficacy and Safety in the Tr...

  12. Metabolic Imaging in Parkinson Disease.

    Science.gov (United States)

    Meles, Sanne K; Teune, Laura K; de Jong, Bauke M; Dierckx, Rudi A; Leenders, Klaus L

    2017-01-01

    This review focuses on recent human 18 F-FDG PET studies in Parkinson disease. First, an overview is given of the current analytic approaches to metabolic brain imaging data. Next, we discuss how 18 F-FDG PET studies have advanced understanding of the relation between distinct brain regions and associated symptoms in Parkinson disease, including cognitive decline. In addition, the value of 18 F-FDG PET studies in differential diagnosis, identifying prodromal patients, and the evaluation of treatment effects are reviewed. Finally, anticipated developments in the field are addressed. © 2017 by the Society of Nuclear Medicine and Molecular Imaging.

  13. [Predictive ocular motor control in Parkinson's disease].

    Science.gov (United States)

    Ying, Li; Liu, Zhen-Guo; Chen, Wei; Gan, Jing; Wang, Wen-An

    2008-02-19

    To investigate the changes of predictive ocular motor function in the patients with Parkinson's disease (PD), and to discuss its clinical value. Videonystagmography (VNG) was used to examine 24 patients with idiopathic Parkinson's disease, 15 males and 9 females, aged 61 +/- 6 (50-69), and 24 sex and age-matched healthy control subjects on random ocular saccade (with the target moving at random intervals to random positions) and predictive ocular saccade (with the 1.25-second light target moving 10 degrees right or left from the center). In the random ocular saccade program, the latency of saccade of the PD patients was 284 ms +/- 58 ms, significantly longer than that of the healthy controls (236 ms +/- 37 ms, P = 0.003). In the predictive ocular saccade pattern, the latency of saccades the PD patients was 150 ms +/- 138 ms, significantly longer than that of the healthy controls (59 ms +/- 102 ms, P = 0.002). The appearance rate of predictive saccades (with the latency of saccade <80 ms) in the PD group was 21%, significantly lower than that in the control group (31%, P = 0.003). There is dysfunction of predictive ocular motor control in the PD patients, and the cognitive function may be impaired at the early stage of PD.

  14. Relationship between manual dexterity and the unified parkinson's disease rating scale-motor exam.

    Science.gov (United States)

    Hwang, Sujin; Song, Chiang-Soon

    2016-12-01

    [Purpose] The purpose of this study was to examine the relationships between manual dexterity and the Unified Parkinson's Disease Rating Scale-Motor Exam as a clinical tool for quantifying upper extremity function in persons with Parkinson's disease. [Subjects and Methods] Thirty-two persons with idiopathic Parkinson's disease participated in this study. This study measured two clinical outcomes, the box-and-block test and the Unified Parkinson's Disease Rating Scale-Motor Exam, to investigate the relationships between manual dexterity and the Unified Parkinson's Disease Rating Scale-Motor Exam. [Results] The box-and-block test on the more affected side was positive relationship with the box-and-block test on the less affected side. The Unified Parkinson's Disease Rating Scale-motor exam score had a negative correlation with the box-and-block test results for both sides. [Conclusion] A positive association was noted between manual dexterity and motor function in patients with idiopathic Parkinson disease. The results of this study suggest that the box-and-block test and the Unified Parkinson's Disease Rating Scale-Motor Exam are good clinical measures that quantify upper extremity function and are necessary for the accurate evaluation of patients and to plan intervention strategies.

  15. MRI in Parkinson's disease and vascular Parkinsonism

    International Nuclear Information System (INIS)

    Aotsuka, Akiyo; Shinotoh, Hitoshi; Hirayama, Keizo; Ikehira, Hiroo; Fukuda, Hiroshi.

    1991-01-01

    We examined the magnetic resonance (MR) image of midbrain and striatum in 30 patients with Parkinson's disease (PD), 10 patients with vascular Parkinsonism (VP) and 10 age-matched control subjects. Studies were performed on a high field strength (1.5 tesla) MRI unit. T2-weighted spin echo pulse sequence (TR 2500 ms/TE 40 ms) was used. Intensity profiles of a straight line perpendicular to the pars compacta through the center of the red nucleus were made on an image of the midbrain. We measured the width of the valley at half-height between the peaks of intensity representing the red nucleus and the crus cerebri-pars reticulata complex and used this as an index of the width of the pars compacta signal. The mean width of the pars compacta signal was 2.7 mm in the PD group and 4.3 mm in controls. The difference between the means was highly significant (p<0.01). While not significant statistically, there was a trend toward narrowing of the width of pars compacta signal of substantia nigra in the PD group as the Yahr's grade or disease duration progressed. In hemiparkinsonism, MRI revealed significant narrowing of the pars compacta signal on the contra-lateral side to the clinical predominant side. The mean width of the pars compacta signal was 3.9 mm in the VP group, but the decrease was not significant. MRI in VP group showed multiple high intensity area in the basal ganglia and the white matter, and periventricular hyperintensity area (PVHIA). There was no statistically significant difference in the frequency of restoration of the signal intensity in the lateral portion of the substantia nigra among PD, VP and control groups. The low signal intensity in the posterolateral putamen was not found in the 3 groups. The narrowing of the pars compacta signal has been attributed either to atrophy of the pars compacta or to increased deposition of iron in this region. The narrowing of the pars compacta signal reflected pathophysiology of PD. (J.P.N.)

  16. Sweating dysfunction in Parkinson's disease

    NARCIS (Netherlands)

    Swinn, L; Schrag, A; Viswanathan, R; Lees, A; Quinn, N; Bloem, Bastiaan R.

    2003-01-01

    We sought to determine the prevalence and nature of sweating disturbances in patients with Parkinson's disease (PD), and investigated their correlation with other clinical features and with Quality of Life (QoL) measures. A questionnaire on symptoms and consequences of sweating dysfunction was

  17. Skin disorders in Parkinson's disease

    DEFF Research Database (Denmark)

    Ravn, Astrid-Helene; Thyssen, Jacob P; Egeberg, Alexander

    2017-01-01

    Parkinson's disease (PD) is one of the most common neurodegenerative disorders, characterized by a symptom triad comprising resting tremor, rigidity, and akinesia. In addition, non-motor symptoms of PD are well recognized and often precede the overt motor manifestations. Cutaneous manifestations...

  18. Genetic predisposition to Parkinson's disease

    DEFF Research Database (Denmark)

    Halling, Jónrit; Petersen, Maria Skaalum; Grandjean, Philippe

    2008-01-01

    OBJECTIVE: To investigate whether the genetic variants of CYP2D6 and HFE are more frequent in Parkinson's disease (PD) patients compared with controls in a population where the prevalence of these variants and PD are increased. METHODS: Blood samples were collected from 79 PD patients and 154...

  19. Pancreatic Polypeptide in Parkinson's Disease

    DEFF Research Database (Denmark)

    Knudsen, Karoline; Hartmann, Bolette; Fedorova, Tatyana D

    2017-01-01

    BACKGROUND AND OBJECTIVES: Parkinson's disease (PD) patients experience several non-motor symptoms from the gastrointestinal tract that may partly be caused by parasympathetic deficiency. The pancreas is densely innervated by the vagus nerve, which mediates early meal-induced secretion...

  20. Dream Robber: Living with Parkinson's disease

    Science.gov (United States)

    ... Current Issue Past Issues Dream Robber: Living with Parkinson's disease Past Issues / Summer 2006 Table of Contents ... effects of levodopa called dyskinesias. Additional Information on Parkinson's Web Links MedlinePlus: http://www.nlm.nih.gov/ ...

  1. Acupuncture as Adjuvant Therapy for Sleep Disorders in Parkinson's Disease.

    Science.gov (United States)

    Aroxa, Fábio Henrique de Amorim; Gondim, Ihana Thaís Guerra de Oliveira; Santos, Elba Lúcia Wanderley; Coriolano, Maria das Graças Wanderley de Sales; Asano, Amdore Guescel C; Asano, Nadja Maria Jorge

    2017-01-01

    There are few studies which attest the efficacy of acupuncture on treatment of sleep disturbs in Parkinson disease. The aimed of this randomized clinical trial was to evaluate the effects of acupuncture on sleep disturbs of 22 patients with diagnosis of idiopathic Parkinson disease (Hoehn-Yahr 1 to 3) who have assistance on the Pro-Parkinson Program of Clinical Hospital at Federal University of Pernambuco in Brazil. All participants were evaluated by Parkinson Disease Sleep Scale (PDSS) before and after 8 weeks. The experimental group was submitted to 8 sections (once a week) which had duration of 30 minutes. The control group had no intervention. The intervention was executed using the acupuncture points LR3 (Taichong), SP6 (Sanyinjiao), LI4 (Hegu), TE5 (Wai-Guan), HT7 (Shenmen), PC6 (Neiguan), LI11 (Quchi), GB20 (Fengchi). Paired analyses were obtained by Wilcoxon test and independent analyses were made according to Mann-Whitney test. This study presented a potential therapeutic benefit of acupuncture on sleep disturbs of Parkinson's disease patients. This study showed a possible therapeutic benefit through acupuncture in sleep disorders in patients with PD. However, we propose new studies related to the effects of acupuncture on the clinical symptoms and evolution of the disease. Copyright © 2017 Medical Association of Pharmacopuncture Institute. Published by Elsevier B.V. All rights reserved.

  2. Constipation and paradoxical puborectalis contraction in anismus and Parkinson's disease: a dystonic phenomenon?

    Science.gov (United States)

    Mathers, S E; Kempster, P A; Swash, M; Lees, A J

    1988-12-01

    Anismus, or constipation due to functional obstruction at the pelvic outlet by paradoxical contraction of the striated sphincter muscles during defaecation straining, is described in ten constipated patients and four patients with Parkinson's disease and constipation. The dysfunctional pattern of muscle recruitment resembled that characteristic of dystonia elsewhere in the body and was indistinguishable in patients with idiopathic anismus and those with extrapyramidal motor disturbance due to Parkinson's disease. These findings suggest that anismus may be a focal dystonic phenomenon.

  3. Driving safety in Parkinson's disease.

    Science.gov (United States)

    Zesiewicz, T A; Cimino, C R; Malek, A R; Gardner, N; Leaverton, P L; Dunne, P B; Hauser, R A

    2002-12-10

    In this study, 39 patients with PD and 25 control subjects without neurologic disease completed testing in a driving simulator. PD patients had more total collisions on the driving simulator than control subjects (t = -3.7, p < 0.01). In PD patients, collisions were associated with Hoehn and Yahr stage (chi(2) = 12.4, p = 0.006) and correlated with Unified Parkinson's Disease Rating Scale score (r = 0.5, p < 0.01).

  4. [Physical therapy for parkinson's disease].

    Science.gov (United States)

    Hubert, M

    2011-09-01

    Parkinson's disease is a complex neurologic and progressive incapacitating disease. Parkinson's disease severely threatens the quality of live and the number of patients worldwide is expected to rise considerably in the coming decade due to aging of the population. Even with optimal medical management using drugs or neurosurgery, patients are faced with progressively increasing impairments (e.g. in speech, mental and movement related functions), and restrictions in participation (e.g. domestic life and social activities). Physical therapy is often prescribed next to medical treatment but there is a lack of uniform treatment. A systematic literature search for guidelines, systematic reviews, trials, and expert opinions lead to a better understanding. The key question: Is physiotherapy able to optimally treat the Parkinson's disease symptoms? In which way, how and on which scientific bases can the physiotherapist participate to improve autonomy and to help them living independently and avoid, as long as possible, institutionalization? This article has integrated clinical research findings to provide clinicians with an overview to physical therapist management of disorders in people with Parkinson's disease. An Evidence-Based Physical Therapy Guideline providing practice recommendations was developed by the Royal Dutch Society for Physical Therapy (KNGF). Evidence from research was supplemented with clinical expertise and patients values. Randomized clinical trials reflect specific core areas of physical therapy, that is, transfer, posture, balance, reaching and grasping, gait and physical condition. Another aspect is that of educating patients (as well as their partners and family) about the disease process and the benefits of exercise therapy. Alternative therapies can be helpful like Tai Chi, virtual games, dancing, yoga, ball games for example.

  5. Pre- and postsynaptic dopamine SPECT in the early phase of idiopathic parkinsonism: a population-based study

    Energy Technology Data Exchange (ETDEWEB)

    Jakobson, Mo Susanna; Riklund, Katrine [Umeaa University, Department of Radiation Sciences, Diagnostic Radiology, Umeaa (Sweden); Linder, Jan; Forsgren, Lars [Umeaa University, Department of Pharmacology and Clinical Neuroscience, Neurology, Umeaa (Sweden); Larsson, Anne; Johansson, Lennart [Umeaa University, Department of Radiation Sciences, Radiation Physics, Umeaa (Sweden)

    2010-11-15

    The aim of this study was to assess the diagnostic contribution of pre- and postsynaptic dopamine SPECT in drug-naive patients with early idiopathic parkinsonism and to investigate possible differences between idiopathic Parkinson's disease (PD) and atypical parkinsonian syndromes (APS) and possible differences in motor subtypes of parkinsonism. A group of 128 newly diagnosed idiopathic parkinsonian patients and 48 healthy controls was studied. Presynaptic baseline SPECT with {sup 123}I-FP-CIT was performed in all patients and in 120 patients also a baseline postsynaptic SPECT with {sup 123}I-IBZM. Clinical diagnoses were reassessed after 12 months. Presynaptic uptake in the putamen and caudate was significantly reduced in patients compared to controls. Presynaptic uptake ratios were not different between PD patients and patients with APS, and postsynaptic uptake in APS was not significantly reduced compared to PD or controls. In half of the APS patients both pre- and postsynaptic uptake ratios were reduced on the same side in the striatum. Impaired motor performance was associated with decreased presynaptic uptake in the putamen in PD. The postural instability and gait difficulty (PIGD) subtype of PD had lower presynaptic uptake ratios than patients with tremor-dominated (TD) symptoms. Not only presynaptic putamen uptake ratios, but also caudate ratios were reduced in a majority of the patients in our study. At baseline scan, i.e. in an early stage of the disease, the accuracy of excluding APS in the whole study population was 85% using a combination of pre- and postsynaptic SPECT. Already at baseline, lower presynaptic SPECT ratios were seen in PD with PIGD at onset compared to those with TD subtype. (orig.)

  6. Living Well with Parkinson's Disease Is an Art

    Science.gov (United States)

    ... Disease Living Well with Parkinson's Disease is an Art Past Issues / Winter 2014 Table of Contents What ... More "Living Well with Parkinson's Disease is an Art" Articles Living Well with Parkinson's Disease is an ...

  7. Swallowing disorders in Parkinson's disease.

    Science.gov (United States)

    Mamolar Andrés, Sandra; Santamarina Rabanal, María Liliana; Granda Membiela, Carla María; Fernández Gutiérrez, María José; Sirgo Rodríguez, Paloma; Álvarez Marcos, César

    Parkinson's disease is a type of chronic neurodegenerative pathology with a typical movement pattern, as well as different, less studied symptoms such as dysphagia. Disease-related disorders in efficacy or safety in the process of swallowing usually lead to malnutrition, dehydration or pneumonias. The aim of this study was identifying and analyzing swallowing disorders in Parkinson's disease. The initial sample consisted of 52 subjects with Parkinson's disease to whom the specific test for dysphagia SDQ was applied. Nineteen participants (36.5%) with some degree of dysphagia in the SDQ test were selected to be evaluated by volume-viscosity clinical exploration method and fiberoptic endoscopic evaluation of swallowing. Disorders in swallowing efficiency and safety were detected in 94.7% of the selected sample. With regards to efficiency, disorders were found in food transport (89.5%), insufficient labial closing (68.4%) and oral residues (47.4%), relating to duration of ingestion. Alterations in security were also observed: pharynx residues (52.7%), coughing (47.4%), penetration (31.64%), aspiration and decrease of SaO 2 (5.3%), relating to the diagnosis of respiratory pathology in the previous year. The SDQ test detected swallowing disorders in 36.5% of the subjects with Parkinson's disease. Disorders in swallowing efficiency and safety were demonstrated in 94.7% of this subset. Disorders of efficiency were more frequent than those of safety, establishing a relationship with greater time in ingestion and the appearance of respiratory pathology and pneumonias. Copyright © 2016 Elsevier España, S.L.U. and Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello. All rights reserved.

  8. Cognitive impairment in Parkinson's disease

    Directory of Open Access Journals (Sweden)

    Jing YUAN

    2017-07-01

    Full Text Available Parkinson's disease cognitive impairment (PD-CI is one of the major non-motor symtoms (NMS of PD, including Parkinson's disease with mild cognitive impairment (PD - MCI and Parkinson's disease dementia (PDD. Executive dysfunction is relatively prominent, but other cognitive domains as visuospatial ability, memory and language can also be affected. Main risk factors for PD-CI include male gender, advanced age, low education, severe motor symptoms, low baseline cognitive function and excessive daytime sleepiness (EDS. Lewy bodies are main pathological changes, and Alzheimer's disease (AD related pathological changes can also be seen. The application value of decreased α?synuclein (α-Syn and β-amyloid 1-42 (Aβ1-42 levels in cerebrospinal fluid (CSF as biomarkers remains controversial. There are few related research and no defined pathogenic genes currently. Both dopaminergic pathway and acetylcholinergic pathway are involved in the occurrence of PD - CI as demonstrated in PET studies. Cortical and subcortical atrophy are associated with PD - CI as observed in MRI studies. Olfactory dysfunction may be one of the predictors of cognitive impairment. PDD and dementia with Lewy bodies (DLB share common biological characteristics, therefore the differential diagnosis sometimes is difficult. Cholinesterase inhibitors (ChEIs and memantine help to improve clinical symptoms, but treatment decision should be made with individualization. Cognitive behavioral treatment (CBT has potential clinical value and should be investigated by more studies. DOI: 10.3969/j.issn.1672-6731.2017.06.004

  9. Impact of specialist palliative care on coping with Parkinson's disease: patients and carers.

    Science.gov (United States)

    Badger, Nathan J; Frizelle, Dorothy; Adams, Debi; Johnson, Miriam J

    2018-01-09

    UK guidelines recommend palliative care access for people with Parkinson's disease; however, this remains sporadic, and it is unknown whether specialist palliative care helps patients and carers cope with this distressing condition. This study aimed to explore whether, and how, access to specialist palliative care services affected patients' and carers' coping with Parkinson's disease. Semistructured interviews were conducted, audio-recorded and verbatim transcribed. Data were analysed using interpretative phenomenological analysis. Participants were patients with advanced idiopathic Parkinson's disease (n=3), and carers of people with Parkinson's disease (n=5, however, one diagnosis was reviewed) receiving care from an integrated specialist palliative care and Parkinson's disease service in North East England. Access to specialist palliative care helped participants cope with some aspects of advanced Parkinson's disease. Three superordinate themes were developed:' managing uncertainty', 'impacts on the self' and 'specialist palliative care maintaining a positive outlook'. Specialist palliative care helped patients and carers cope with advanced Parkinson's disease. Specialist palliative care is a complex intervention that acknowledges the complex and holistic nature of Parkinson's disease, enabling health in some domains despite continued presence of pathology. These exploratory findings support the utility of this approach for people living with Parkinson's disease. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

  10. [Behavioral impairments in Parkinson's disease].

    Science.gov (United States)

    Kashihara, Kenichi

    2004-09-01

    Behavioral impairments in parkinsonian patients include agitation, hypersexuality, stereotypic movement, pathological gambling, abuse of antiparkinsonian drugs, REM sleep behavioral disorder, and restless legs syndrome. Dementia, psychoses, and emotional disorders, such as depression and anxiety/panic disorder, also impair behavior. Symptoms may be produced by dysfunction of the central nervous system, medication, and/or the psychosocial problems associated with Parkinson's disease. Treatment therefore should be based on the cause of the symptoms seen. In some cases, the reduction or change of antiparkinsonian drugs, or both, may be effective. Treatment of the motor symptoms of Parkinson's disease, including motor fluctuations, may reduce the risk of panic attacks being evoked in the 'off' period. Use of antidepressants, sedatives, and neuroleptics may often be effective. Physicians should identify the causes of the symptoms of behavioral impairment and select appropriate treatments.

  11. Addictive behaviors and Parkinson's disease.

    Science.gov (United States)

    Witjas, T; Eusebio, A; Fluchère, F; Azulay, J-P

    2012-01-01

    In Parkinson's disease, the degeneration of the dopaminergic system and the longstanding exposure to dopamine replacement therapy (DRT) may cause, in a group of vulnerable patients, dysregulation of the brain reward system. These patients develop DRT-related compulsions, which include addiction to levodopa or dopamine dysregulation syndrome (DDS), punding, and impulse control disorders (ICDs). ICDs or behavioral addiction reported in Parkinson's disease include pathological gambling, hypersexuality, compulsive buying and binge eating. Although the underlying pathophysiology is still poorly understood, these behaviors are linked by their reward-based and repetitive nature. Such behaviors may result in devastating psychosocial impairment for the patients and are often hidden. The recognition of these behaviors is important and allows a better clinical management. Although the limited data do not permit particular therapeutic strategies, some approaches are worth considering: DRT reduction, trials of non-dopaminergic medications and subthalamic chronic stimulation. Copyright © 2012. Published by Elsevier Masson SAS.

  12. Electroconvulsive therapy in Parkinson's disease.

    Science.gov (United States)

    Calderón-Fajardo, Humberto; Cervantes-Arriaga, Amin; Llorens-Arenas, Rodrigo; Ramírez-Bermudez, Jesús; Ruiz-Chow, Ángel; Rodríguez-Violante, Mayela

    2015-10-01

    Purpose To analyze the effectiveness of electroconvulsive therapy for the management of depression and/or psychosis refractory to drug therapy in patients with Parkinson disease.Methods A retrospective study was carried out including patients treated with electroconvulsive therapy during the period between 2002 and 2013. A review of the literature was performed.Results A total of 27 patients were included. In regards to the neuropsychiatric diagnosis, 14 patients had major depression, 12 patients had both psychosis and depression, and only one patient had isolated psychosis. The mean number of electroconvulsive therapy sessions was 12 ± 2.8. After electroconvulsive therapy, all patients showed a statistically significant improvement in the Brief Psychiatric Rating scale (reduction of 52% points) and Hamilton Depression Rating Scale (reduction of 50% points) independent of the presence of psychosis, depression or both.Conclusion Electroconvulsive therapy is effective for the treatment of refractory neuropsychiatric symptoms in Parkinson's disease.

  13. How Is Parkinson's Disease Treated?

    Science.gov (United States)

    ... the entire Parkinson's community. Learn more Get Involved Moving Day Walk Parkinson's Champions Create Your Own Fundraiser Advocate With Us Local Resources Find an Event My PD Story Volunteer ... Support a Moving Day Walker Support a Parkinson's Champion Bequests & Planned ...

  14. Parkinson's disease as a result of aging

    OpenAIRE

    Rodriguez, Manuel; Rodriguez-Sabate, Clara; Morales, Ingrid; Sanchez, Alberto; Sabate, Magdalena

    2015-01-01

    It is generally considered that Parkinson's disease is induced by specific agents that degenerate a clearly defined population of dopaminergic neurons. Data commented in this review suggest that this assumption is not as clear as is often thought and that aging may be critical for Parkinson's disease. Neurons degenerating in Parkinson's disease also degenerate in normal aging, and the different agents involved in the etiology of this illness are also involved in aging. Senescence is a wider p...

  15. Slower saccadic reading in Parkinson's disease.

    Science.gov (United States)

    Jehangir, Naz; Yu, Caroline Yizhu; Song, Jeehey; Shariati, Mohammad Ali; Binder, Steven; Beyer, Jill; Santini, Veronica; Poston, Kathleen; Liao, Yaping Joyce

    2018-01-01

    Idiopathic Parkinson's Disease (PD) is characterized by degeneration of dopaminergic and other neurons, leading to motor and non-motor deficits. Abnormal eye movements in PD, including fixations, saccades, and convergence, are well described. However, saccadic reading, which requires serial and alternating saccades and fixations, is not well studied, despite its obvious impact on the quality of life. In this study, we assessed saccadic reading using variations of the King-Devick (KD) test, a rapid single digit number naming test, as a way to assess the ability to make serial left-to-right ocular motor movements necessary for reading. We recruited 42 treated PD patients and 80 age-matched controls and compared their reading times with a variety of measures, including age, duration of disease, Unified Parkinson's Disease Rating Scale (UPDRS), the National Eye Institute 25-Item Visual Functioning Questionnaire 25 (VFQ-25), and Montreal Cognitive assessment (MoCA) test. The subjects performed 4 trials of reading 120 single digit numbers aloud as fast as possible without making errors. In each trial, they read 3 pages (KD1, KD2, and KD3), and each page contained 40 numbers per page in 8 lines with 5 numbers/line. We found that PD patients read about 20% slower than controls on all tests (KD1, 2, and 3 tests) (p < 0.02), and both groups read irregularly spaced numbers slower than regularly spaced numbers. Having lines between numbers to guide reading (KD1 tests) did not impact reading time in both PD and controls, but increased visual crowding as a result of decreased spacing between numbers (KD3 tests) was associated with significantly slower reading times in both PD and control groups. Our study revealed that saccadic reading is slower in PD, but controls and PD patients are both impacted by visuospatial planning challenges posed by increased visual crowding and irregularity of number spacing. Reading time did not correlate with UPDRS or MoCA scores in PD patients but

  16. [Music therapy on Parkinson disease].

    Science.gov (United States)

    Côrte, Beltrina; Lodovici Neto, Pedro

    2009-01-01

    This study is a result of a qualitative research, in the Gerontology and Music therapy scenario. It was analyzed the importance of alternative practices like playing an instrument (piano, violin, etc.), singing, or practicing a guided musical exercise as a therapy activity for elder people with Parkinson Disease. The analysis, systematization and interpretation of the data pointed: music therapy is an excellent way to improve the life of the patient that becomes more sociable, decreasing physical and psychological symptoms ('symptomatology') and the subject change for a singular and own position in the relation with your disease and the people around.

  17. Visual short-term memory deficits in REM sleep behaviour disorder mirror those in Parkinson's disease.

    Science.gov (United States)

    Rolinski, Michal; Zokaei, Nahid; Baig, Fahd; Giehl, Kathrin; Quinnell, Timothy; Zaiwalla, Zenobia; Mackay, Clare E; Husain, Masud; Hu, Michele T M

    2016-01-01

    Individuals with REM sleep behaviour disorder are at significantly higher risk of developing Parkinson's disease. Here we examined visual short-term memory deficits--long associated with Parkinson's disease--in patients with REM sleep behaviour disorder without Parkinson's disease using a novel task that measures recall precision. Visual short-term memory for sequentially presented coloured bars of different orientation was assessed in 21 patients with polysomnography-proven idiopathic REM sleep behaviour disorder, 26 cases with early Parkinson's disease and 26 healthy controls. Three tasks using the same stimuli controlled for attentional filtering ability, sensorimotor and temporal decay factors. Both patients with REM sleep behaviour disorder and Parkinson's disease demonstrated a deficit in visual short-term memory, with recall precision significantly worse than in healthy controls with no deficit observed in any of the control tasks. Importantly, the pattern of memory deficit in both patient groups was specifically explained by an increase in random responses. These results demonstrate that it is possible to detect the signature of memory impairment associated with Parkinson's disease in individuals with REM sleep behaviour disorder, a condition associated with a high risk of developing Parkinson's disease. The pattern of visual short-term memory deficit potentially provides a cognitive marker of 'prodromal' Parkinson's disease that might be useful in tracking disease progression and for disease-modifying intervention trials. © The Author (2015). Published by Oxford University Press on behalf of the Guarantors of Brain.

  18. Parkinson's Disease Videos

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    Full Text Available ... for PD Patients? Are There Any Ways to Control the Rate of Progression of the Disease? What ... 2 What Are Some Strategies to Improve the Quality of Community Care for PD Patients? Dra. Claudia ...

  19. Parkinson's Disease Videos

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    Full Text Available ... Parkinson’s Disease Psychosis: A Caregiver’s Story CareMAP: Thinking Changes: Part ... Affect the Patient's Family and Social Network? What Is the Impact of PD Medications ...

  20. Parkinson's Disease Videos

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    Full Text Available ... who seek skilled care are at a lower risk of complications and have better quality of life. ... Disease Affect the Urinary System? What Are the Risks and Benefits of DBS Surgery? NPF Caregiver Summit ...

  1. Cell transplantation for Parkinson's disease

    Institute of Scientific and Technical Information of China (English)

    Jia Liu; Hongyun Huang

    2006-01-01

    OBJECTIVE: The motor symptoms of Parkinson's disease (PD) can be improved by cell transplantation,which has caught general attention from the field of the therapy for PD recently. In this paper, we summarize the cell-based therapy for PD.DATA SOURCES: A search for English literature related to the cellular transplantation of PD from January 1979to July 2006 was conducted in Medline with the key words of "Parkinson's disease, cell transplantation,embryonic stem cells, neural stem cells".STUDY SELECTTON: Data were checked in the first trial, and literatures about PD and cell transplantation were selected. Inclusive criteria: ① PD; ② Cell transplantation. Exclusive criteria: repetitive researches.DATA EXTRACTTON: A total of 100 papers related to cellular transplant and PD were collected and 41literatures were in accordance with the inclusive criteria.DATA SYNTHESIS: PD is a neural degeneration disease that threatens the health of the aged people, and most traditional therapeusis cannot delay its pathological proceeding. Cell transplantation is becoming popular as a new therapeutic tool, and the cells used to transplant mainly included dopamine-secreting cells, fetal ventral mesencephalic cells, embryonic stem cells and neural stem cells up to now. Animal experiment and clinical test demonstrate that cell transplantation can relieve the motor symptoms of Parkinson's disease obviously, but there are some problems need to be solved.CONCLUSTON: Cell transplantation has visible therapeutic efficacy on PD. Following the improvement of technique, and we have enough cause to credit that cell therapy may cure PD in the future.

  2. The Relationship between Speech Production and Speech Perception Deficits in Parkinson's Disease

    Science.gov (United States)

    De Keyser, Kim; Santens, Patrick; Bockstael, Annelies; Botteldooren, Dick; Talsma, Durk; De Vos, Stefanie; Van Cauwenberghe, Mieke; Verheugen, Femke; Corthals, Paul; De Letter, Miet

    2016-01-01

    Purpose: This study investigated the possible relationship between hypokinetic speech production and speech intensity perception in patients with Parkinson's disease (PD). Method: Participants included 14 patients with idiopathic PD and 14 matched healthy controls (HCs) with normal hearing and cognition. First, speech production was objectified…

  3. Activation Mechanism of LRRK2 and Its Cellular Functions in Parkinson's Disease

    NARCIS (Netherlands)

    Rosenbusch, Katharina E.; Kortholt, Arjan

    2016-01-01

    Human LRRK2 (Leucine-Rich Repeat Kinase 2) has been associated with both familial and idiopathic Parkinson's disease (PD). Although several LRRK2 mediated pathways and interaction partners have been identified, the cellular functions of LRRK2 and LRRK2 mediated progression of PD are still only

  4. Changes to Articulatory Kinematics in Response to Loudness Cues in Individuals with Parkinson's Disease

    Science.gov (United States)

    Darling, Meghan; Huber, Jessica E.

    2011-01-01

    Purpose: Individuals with Parkinson's disease (PD) exhibit differences in displacement and velocity of the articulators as compared with older adults. The purpose of the current study was to examine effects of 3 loudness cues on articulatory movement patterns in individuals with PD. Method: Nine individuals diagnosed with idiopathic PD and 9 age-…

  5. Parkinson's Disease Videos

    Medline Plus

    Full Text Available ... What Does a Caregiver Need to Know About Cognitive Impairment? How Do I Manage Non-Motor Problems ... en vivo con Lobo! What Medications Help with Cognitive Impairment? Parkinson’s Disease Psychosis: A Caregiver’s Story CareMAP: ...

  6. Detection of a sleep disorder predicting Parkinson's disease

    DEFF Research Database (Denmark)

    Hansen, Ingeborg H.; Marcussen, Mikkel; Christensen, Julie Anja Engelhard

    2013-01-01

    Idiopathic rapid eye-movement (REM) sleep behavior disorder (iRBD) has been found to be a strong early predictor for later development into Parkinson's disease (PD). iRBD is diagnosed by polysomnography but the manual evaluation is laborious, why the aims of this study are to develop supportive...... methods for detecting iRBD from electroencephalo-graphic (EEG) signals recorded during REM sleep. This method classified subjects from their EEG similarity with the two classes iRBD patients and control subjects. The feature sets used for classifying subjects were based on the relative powers of the EEG...

  7. Circadian dysregulation in Parkinson's disease

    Directory of Open Access Journals (Sweden)

    Aleksandar Videnovic

    2017-01-01

    Full Text Available Parkinson's disease (PD is the second most common neurodegenerative disorder that affects over one million individuals in the US alone. PD is characterized by a plethora of motor and non-motor manifestations, resulting from a progressive degeneration of dopaminergic neurons and disbalance of several other neurotransmitters. A growing body of evidence points to significant alterations of the circadian system in PD. This is not surprising given the pivotal role that dopamine plays in circadian regulation as well as the role of circadian influences in dopamine metabolism. In this review we present basic and clinical investigations that examined the function of the circadian system in PD.

  8. Pathophysiology of diurnal drooling in Parkinson's disease

    NARCIS (Netherlands)

    Kalf, J.G.; Munneke, M.; Engel-Hoek, L. van den; Swart, B.J.M. de; Borm, G.F.; Bloem, B.R.; Zwarts, M.J.

    2011-01-01

    Drooling is an incapacitating feature of Parkinson's disease. Better pathophysiological insights are needed to improve treatment. In this study, we tested the hypothesis that the cause of drooling is multifactorial. We examined 15 patients with Parkinson's disease with distinct diurnal saliva loss

  9. NIH Research: Advances in Parkinson's Disease Research

    Science.gov (United States)

    ... of this page please turn JavaScript on. NIH Research: Advances in Parkinson's Disease Research Past Issues / Winter 2014 Table of Contents Story ... Photo courtesy of NIH Advances in Parkinson's Disease Research Story Landis, Ph.D., has been Director of ...

  10. Parkinson's disease: piecing together a genetic jigsaw.

    NARCIS (Netherlands)

    M.C.J. Dekker (Marieke); V. Bonifati (Vincenzo); C.M. van Duijn (Cornelia)

    2003-01-01

    textabstractThe role of genetics in the pathogenesis of Parkinson's disease has been subject to debate for decades. In recent years, the discovery of five genes and several more loci has provided important insight into its molecular aetiology. Some Parkinson's disease genes possibly cause

  11. Verbal fluency in idiopathic Parkinson's disease

    International Nuclear Information System (INIS)

    Thut, G.; Antonini, A.; Roelcke, U.; Missimer, J.; Maguire, R.P.; Leenders, K.L.; Regard, M.

    1997-01-01

    In the present study, the relationship between resting metabolism and verbal fluency, a correlate of frontal lobe cognition, was examined in 33 PD patients. We aimed to determine brain structures involved in frontal lobe cognitive impairment with special emphasis on differences between demented and non-demented PD patients. (author) 3 figs., 2 refs

  12. CT scan of Parkinson's disease

    Energy Technology Data Exchange (ETDEWEB)

    Konishi, T; Noguchi, S; Nishitani, H [National Sanatorium of Utano, Kyoto (Japan); Kitano, H; Ikegami, Y

    1981-04-01

    In forty-eight patients with Parkinson's disease, we examined the ventricular size and the degree of cortical atrophy which were measured by the photos of CT scan and compared them with their clinical symptoms and side effects of anti-parkinsonian drugs. The ventricular size was expressed as the ventricular ratio which is the percentage of superimposed lateral ventricular area to the white and gray matter area at the slice number 2B of CT scan photos. The degree of the cortical atrophy was expressed as the sulcal numbers which were clearly visualized at the slice number 3B or 4A of CT scan photos. We used the CT scan photos of age-matched other patients which did not show definit central nervous system abnormalities. Our findings were as follows: (1) The ventricular enlargement was observed in the parkinsonian patients who showed dementia and/or Yahr's classification grades IV or V. (2) There was no correlation between the duration of this disease and the L--dopa treatments with the ventricular size and sulcal numbers. (3) The side effects of drugs such as visual hallucination were tended to be observed in the patients who showed the ventricular enlargement. (4) There was no definite correlation between the degree of cortical atrophy with clinical symptoms and side effects of various drugs. These findings suggested that the ventricular enlargement in Parkinson's disease was an important sign of dementia and the tendency of appearance of side effects of various drugs.

  13. CT scan of Parkinson's disease

    International Nuclear Information System (INIS)

    Konishi, Tetsuro; Noguchi, Sadako; Nishitani, Hiroshi; Kitano, Haruo; Ikegami, Yoshinori.

    1981-01-01

    In forty-eight patients with Parkinson's disease, we examined the ventricular size and the degree of cortical atrophy which were measured by the photos of CT scan and compared them with their clinical symptoms and side effects of anti-parkinsonian drugs. The ventricular size was expressed as the ventricular ratio which is the percentage of superimposed lateral ventricular area to the white and gray matter area at the slice number 2B of CT scan photos. The degree of the cortical atrophy was expressed as the sulcal numbers which were clearly visualized at the slice number 3B or 4A of CT scan photos. We used the CT scan photos of age-matched other patients which did not show definit central nervous system abnormalities. Our findings were as follows: (1) The ventricular enlargement was observed in the parkinsonian patients who showed dementia and/or Yahr's classification grades IV or V. (2) There was no correlation between the duration of this disease and the L--dopa treatments with the ventricular size and sulcal numbers. (3) The side effects of drugs such as visual hallucination were tended to be observed in the patients who showed the ventricular enlargement. (4) There was no definite correlation between the degree of cortical atrophy with clinical symptoms and side effects of various drugs. These findings suggested that the ventricular enlargement in Parkinson's disease was an important sign of dementia and the tendency of appearance of side effects of various drugs. (author)

  14. I-123 IMP SPECT in Parkinson's disease

    International Nuclear Information System (INIS)

    Kawabata, Keita; Tachibana, Kyudai; Sugita, Minoru

    1990-01-01

    To examine semiquantitatively regional cerebral blood flow, SPECT with N-isopropyl-p-[I-123]iodoamphetamine (I-123 IMP) was undertaken in 17 patients with Parkinson's disease. Seven patients with Alzheimer's disease and 9 senile control subjects were also imaged for comparison. Both the Parkinson's disease group and the Alzheimer's disease group had a decreased uptake of I-123 IMP in the frontal lobe, in comparison with the control group. A remarkably decreased uptake was seen in the lateral and parietal lobes in the group of Parkinson's disease associated with dementia, as well as in the Alzheimer's disease group. A significantly decreased uptake was observed in the frontal lobe, lateral lobe, thalamus, and basal ganglia in the Parkinson's disease group, irrespective of the presence or absence of dementia. For Parkinson's disease associated with dementia, there was much more significant decrease in I-123 IMP uptake. The pattern of regional cerebral blood flow in the Alzheimer's disease group was analogous to that in the Parkinson's disease group associated with dementia. This supports the hypothesis that Alzheimer's disease may be somewhat involved in the occurrence of dementia for Parkinson's disease. (N.K.)

  15. REM Sleep Behavior Disorder in Parkinson's Disease and Other Synucleinopathies.

    Science.gov (United States)

    St Louis, Erik K; Boeve, Angelica R; Boeve, Bradley F

    2017-05-01

    Rapid eye movement sleep behavior disorder is characterized by dream enactment and complex motor behaviors during rapid eye movement sleep and rapid eye movement sleep atonia loss (rapid eye movement sleep without atonia) during polysomnography. Rapid eye movement sleep behavior disorder may be idiopathic or symptomatic and in both settings is highly associated with synucleinopathy neurodegeneration, especially Parkinson's disease, dementia with Lewy bodies, multiple system atrophy, and pure autonomic failure. Rapid eye movement sleep behavior disorder frequently manifests years to decades prior to overt motor, cognitive, or autonomic impairments as the presenting manifestation of synucleinopathy, along with other subtler prodromal "soft" signs of hyposmia, constipation, and orthostatic hypotension. Between 35% and 91.9% of patients initially diagnosed with idiopathic rapid eye movement sleep behavior disorder at a sleep center later develop a defined neurodegenerative disease. Less is known about the long-term prognosis of community-dwelling younger patients, especially women, and rapid eye movement sleep behavior disorder associated with antidepressant medications. Patients with rapid eye movement sleep behavior disorder are frequently prone to sleep-related injuries and should be treated to prevent injury with either melatonin 3-12 mg or clonazepam 0.5-2.0 mg to limit injury potential. Further evidence-based studies about rapid eye movement sleep behavior disorder are greatly needed, both to enable accurate prognostic prediction of end synucleinopathy phenotypes for individual patients and to support the application of symptomatic and neuroprotective therapies. Rapid eye movement sleep behavior disorder as a prodromal synucleinopathy represents a defined time point at which neuroprotective therapies could potentially be applied for the prevention of Parkinson's disease, dementia with Lewy bodies, multiple system atrophy, and pure autonomic failure. © 2017

  16. Imaging biomarkers in Parkinson?s disease and Parkinsonian syndromes: current and emerging concepts

    OpenAIRE

    Saeed, Usman; Compagnone, Jordana; Aviv, Richard I.; Strafella, Antonio P.; Black, Sandra E.; Lang, Anthony E.; Masellis, Mario

    2017-01-01

    Two centuries ago in 1817, James Parkinson provided the first medical description of Parkinson?s disease, later refined by Jean-Martin Charcot in the mid-to-late 19th century to include the atypical parkinsonian variants (also termed, Parkinson-plus syndromes). Today, Parkinson?s disease represents the second most common neurodegenerative disorder with an estimated global prevalence of over 10 million. Conversely, atypical parkinsonian syndromes encompass a group of relatively heterogeneous d...

  17. Parkinson's disease associated with impaired oxidative phosphorylation

    International Nuclear Information System (INIS)

    Finsterer, J.; Jarius, C.; Baumgartner, M.

    2001-01-01

    Parkinson's disease may be due to primary or secondary oxidative phosphorylation (OXPHOS) defects. In a 76-year-old man with Parkinson's disease since 1992, slightly but recurrently elevated creatine phosphokinase, recurrently elevated blood glucose, thickening of the left ventricular myocardium, bifascicular block and hypacusis were found. Cerebral MRI showed atrophy, periventricular demyelination, multiple, disseminated, supra- and infratentorial lacunas, and haemosiderin deposits in both posterior horns. Muscle biopsy showed typical features of an OXPHOS defect. Whether the association of Parkinson's disease and impaired OXPHOS was causative or coincidental remains unknown. Possibly, the mitochondrial defect acted as an additional risk factor for Parkinson's disease or the OXPHOS defect worsened the preexisting neurological impairments by a cumulative or synergistic mechanism. In conclusion, this case shows that Parkinson's disease may be associated with a mitochondrially or nuclearly encoded OXPHOS defect, manifesting as hypacusis, myopathy, axonal polyneuropathy, cardiomyopathy and recurrent subclinical ischaemic strokes and haemorrhages. (orig.)

  18. Fall risk factors in Parkinson's disease.

    Science.gov (United States)

    Gray, P; Hildebrand, K

    2000-08-01

    Parkinson's disease (PD) is a neurodegenerative disorder characterized by tremor, rigidity, bradykinesia, gait disturbance, and postural instability. Patients with PD suffer frequent falls, yet little research has been done to identify risks specific to PD patients. The objective of this study was to identify the risk factors associated with falls for PD patients through the collection of demographic, environmental, and medical information as well as fall diaries completed during a 3-month period. Patients with a diagnosis of idiopathic PD, with and without falls, were included in the study provided they could stand and walk and had no other condition that could predispose them to falls. Of the 118 participants, 59% reported one or more falls. A total of 237 falls were reported. Duration and severity of PD symptoms, particularly freezing, involuntary movements, and walking and postural difficulties, were significantly associated with an increased risk of falls. Other factors associated with falls were postural hypotension and daily intake of alcohol. Forty percent of falls resulted in injury, but serious injury was rare. The findings have implications for reducing the risk of falls through patient education.

  19. Beta-blocker therapy for tremor in Parkinson's disease.

    Science.gov (United States)

    Crosby, N J; Deane, K H O; Clarke, C E

    2003-01-01

    The tremor of Parkinson's disease can cause considerable disability for the individual concerned. Traditional antiparkinsonian therapies such as levodopa have only a minor effect on tremor. Beta-blockers are used to attenuate other forms of tremor such as Essential Tremor or the tremor associated with anxiety. It is thought that beta-blockers may be of use in controlling the tremor of Parkinson's disease. To compare the efficacy and safety of adjuvant beta-blocker therapy against placebo for the treatment of tremor in patients with Parkinson's disease. Electronic searches of MEDLINE, EMBASE, SCISEARCH, BIOSIS, GEROLIT, OLDMEDLINE, LILACS, MedCarib, PASCAL, JICST-EPLUS, RUSSMED, DISSERTATION ABSTRACTS, SIGLE, ISI-ISTP, Aslib Index to Theses, The Cochrane Controlled Trials Register, Clinicaltrials.gov, metaRegister of Controlled Trials, NIDRR, NRR and CENTRAL were conducted. Grey literature was hand searched and the reference lists of identified studies and reviews examined. The manufacturers of beta-blockers were contacted. Randomised controlled trials of adjuvant beta-blocker therapy versus placebo in patients with a clinical diagnosis of idiopathic Parkinson's disease. Data was abstracted independently by two of the authors onto standardised forms and disagreements were resolved by discussion. Four randomised controlled trials were found comparing beta-blocker therapy with placebo in patients with idiopathic Parkinson's disease. These were double-blind cross-over studies involving a total of 72 patients. Three studies did not present data from the first arm, instead presenting results as combined data from both treatment arms and both placebo arms. The risk of a carry-over effect into the second arm meant that these results were not analysed. The fourth study presented data from each arm. This was in the form of a mean total score for tremor for each group. Details of the baseline scores, the numbers of patients in each group and standard deviations were not

  20. Pragmatic communication is impaired in Parkinson disease.

    Science.gov (United States)

    Hall, Deborah; Ouyang, Bichun; Lonnquist, Eryn; Newcombe, Jill

    2011-05-01

    The purpose of this study was to determine whether severity of disease, cognitive function, age, gender, or amount of social interaction were associated with pragmatic dysfunction in Parkinson disease. No studies have previously been done to investigate variables that may be associated with pragmatic dysfunction in Parkinson disease. A case-control study was conducted with 17 Parkinson disease patients and 17 convenience controls. Each Parkinson disease patient and a control were interviewed, and their pragmatic skills were evaluated using a scale of pragmatic communication skills. Correlation analysis was used to determine what factors were associated with pragmatic dysfunction in the Parkinson disease patients. Cases scored lower on the pragmatic scale with a mean of 29.7 compared with 38.9 in the controls (p communication skills had moderate to strong correlations with the MMSE (r = .81, p = .002), Unified Parkinson's Disease Rating Scale score (r = -.71, p = .002), and duration of disease (r = -.53, p = .03). These results show that Parkinson disease patients have impaired pragmatic function compared with controls on both verbal and nonverbal sections, and this impairment correlates with mental state, duration, and severity of disease.

  1. Colonic Oxidative and Mitochondrial Function in Parkinson’s Disease and Idiopathic REM Sleep Behavior Disorder

    OpenAIRE

    Morén, C.; González-Casacuberta, Í.; Navarro-Otano, J.; Juárez-Flores, D.; Vilas, D.; Garrabou, G.; Milisenda, J. C.; Pont-Sunyer, C.; Catalán-García, M.; Guitart-Mampel, M.; Tobías, E.; Cardellach, F.; Valldeoriola, F.; Iranzo, A.; Tolosa, E.

    2017-01-01

    Objective To determine potential mitochondrial and oxidative alterations in colon biopsies from idiopathic REM sleep behavior disorder (iRBD) and Parkinson's disease (PD) subjects. Methods Colonic biopsies from 7 iRBD subjects, 9 subjects with clinically diagnosed PD, and 9 healthy controls were homogenized in 5% w/v mannitol. Citrate synthase (CS) and complex I (CI) were analyzed spectrophotometrically. Oxidative damage was assessed either by lipid peroxidation, through malondialdehyde and h...

  2. Diet and Nutrition (Parkinson's Disease)

    Science.gov (United States)

    ... Living With Parkinson's › Managing Parkinson's › Diet & Nutrition Diet & Nutrition 1. Maintain Health 2. Ease PD Symptoms 3. ... your team Seek reliable information about diet and nutrition from your medical team and local resources. Please ...

  3. Technology in Parkinson's disease: Challenges and opportunities

    NARCIS (Netherlands)

    Espay, A.J.; Bonato, P.; Nahab, F.B.; Maetzler, W.; Dean, J.M.; Klucken, J.; Eskofier, B.M.; Merola, A.; Horak, F.; Lang, A.E.; Reilmann, R.; Giuffrida, J.; Nieuwboer, A.; Horne, M.; Little, M.A.; Litvan, I.; Simuni, T.; Dorsey, E.R.; Burack, M.A.; Kubota, K.; Kamondi, A.; Godinho, C.; Daneault, J.F.; Mitsi, G.; Krinke, L.; Hausdorff, J.M.; Bloem, B.R.; Papapetropoulos, S.

    2016-01-01

    The miniaturization, sophistication, proliferation, and accessibility of technologies are enabling the capture of more and previously inaccessible phenomena in Parkinson's disease (PD). However, more information has not translated into a greater understanding of disease complexity to satisfy

  4. Dopamine Receptors and Parkinson's Disease

    Directory of Open Access Journals (Sweden)

    Shin Hisahara

    2011-01-01

    Full Text Available Parkinson's disease (PD is a progressive extrapyramidal motor disorder. Pathologically, this disease is characterized by the selective dopaminergic (DAergic neuronal degeneration in the substantia nigra. Correcting the DA deficiency in PD with levodopa (L-dopa significantly attenuates the motor symptoms; however, its effectiveness often declines, and L-dopa-related adverse effects emerge after long-term treatment. Nowadays, DA receptor agonists are useful medication even regarded as first choice to delay the starting of L-dopa therapy. In advanced stage of PD, they are also used as adjunct therapy together with L-dopa. DA receptor agonists act by stimulation of presynaptic and postsynaptic DA receptors. Despite the usefulness, they could be causative drugs for valvulopathy and nonmotor complication such as DA dysregulation syndrome (DDS. In this paper, physiological characteristics of DA receptor familyare discussed. We also discuss the validity, benefits, and specific adverse effects of pharmaceutical DA receptor agonist.

  5. Premotor Diagnosis of Parkinson's Disease

    Institute of Scientific and Technical Information of China (English)

    Heinz Reichmann

    2017-01-01

    Typical Parkinsonian symptoms consist of bradykinesia plus rigidity and/or resting tremor.Some time later postural instability occurs.Pre-motor symptoms such as hyposmia,constipation,REM sleep behavior disorder and depression may antecede these motor symptoms for years.It would be ideal,if we had a biomarker which would allow to predict who with one or two of these pre-motor symptoms will develop the movement disorder Parkinson's disease (PD).Thus,it is interesting to learn that biopsies of the submandibular gland or colon biopsies may be a means to predict PD,if there is a high amout of abnormally folded alpha-synuclein and phosphorylated alpha-synuclein.This would be of relevance if we would have available means to stop the propagation of abnormal alpha-synuclein which is otherwise one of the reasons of this spreading disease PD.

  6. Recent developments in biomarkers in Parkinson disease

    Science.gov (United States)

    Schapira, Anthony H.V.

    2013-01-01

    Purpose of review Parkinson disease is the second most common neurodegenerative disease after Alzheimer disease, and current demographic trends indicate a life-time risk approaching 4% and predict a doubling of prevalence by 2030. Strategies are being developed to apply recent advances in our understanding of the cause of Parkinson disease to the development of biomarkers that will enable the identification of at-risk individuals, enable early diagnosis and reflect the progression of disease. The latter will be particularly important for the testing of disease-modifying therapies. This review summarizes recent advances in Parkinson disease biomarker development. Recent findings Recent reports continue to reflect the application of a variety of clinical, imaging or biochemical measurements, alone or in combination, to general Parkinson disease populations. Probably the most promising is the assay of alpha-synuclein in the diagnosis and evolution of Parkinson disease. At present, detection techniques are still being refined, but once accurate and reproducible assays are available, it will be important to define the relationship of these to early diagnosis and progression. Alpha-synuclein concentrations may also be modulated by certain disease-modifying agents in development and so may represent a measure of their efficacy. It has to be accepted that no single measure currently fulfils all the necessary criteria for a biomarker in Parkinson disease, but combinations of measures are more likely to deliver benefit. Summary The Parkinson disease biomarker field is approaching a stage when certain combinations of clinical, imaging and biochemical measures may identify a proportion of individuals at risk for developing the disease. However, their general applicability may be limited. Attention is now turning to stratification of Parkinson disease into certain at-risk groups defined by genotype. The application of multimodal screening to these populations may be more

  7. Neuropsychiatric Manifestations of Parkinson`s Disease

    Directory of Open Access Journals (Sweden)

    Ana Peixinho

    2014-10-01

    Full Text Available Parkinson’s disease affects about 1% of the world population older than 65 years. It’s most frequently considered a movement disorder, but the neuropsychiatric manifestations associated with the disease and/or its treatment may be of equal or greater significance in some patients. We will discuss briefly the epidemiology, physiopathology and diagnosis of Parkinson’s disease, highlighting the neuropsychiatric manifestations: depression, anxiety, psychosis, dementia, sleep disorders, dopamine dysregulation syndrome.

  8. Electroconvulsive Therapy Intervention for Parkinson's Disease.

    Science.gov (United States)

    Narang, Puneet; Glowacki, Anna; Lippmann, Steven

    2015-01-01

    Electroconvulsive therapy is an established means to improve function in a variety of psychiatric and neurologic conditions, particularly for patients who remain treatment-refractory. Parkinson's disease is a neurodegenerative disorder that sometimes does not respond well to conventional pharmacotherapies. Reports have indicated that electroconvulsive therapy may be an effective and safe treatment for those patients with Parkinson's disease who are not optimally responding to first-line treatments. Despite these reports, however, electroconvulsive therapy is not often used by clinicians in patients with treatment-resistant Parkinson's disease, perhaps due to stigma, lack of knowledge regarding its safety and efficacy, and/or inability to predict the duration of therapeutic benefit. Our objective was to determine if the available literature on ECT supports it as a safe and effective treatment option in patients with treatment-refractory Parkinson's disease. Motoric improvement induced by electroconvulsive therapy has been documented for decades in persons with Parkinson's disease. Efficacy and safety are reported following electroconvulsive therapy in people with Parkinson's disease who have sub-optimal response to medicines or experience the "on/off" phenomenon to L-dopa. Electroconvulsive therapy is an effective option for acute and maintenance treatment of Parkinson's disease in select patients. Inability to predict how long the beneficial effects of ECT therapy will last in patients with Parkinson's disease may be a reason why this treatment is underutilized by clinicians. More research is warranted to clarify parameters for application and duration of therapeutic benefit in individuals with difficult-to-treat Parkinson's disease.

  9. Bipolar disorder, a precursor of Parkinson's disease?

    Directory of Open Access Journals (Sweden)

    Tânia M.S. Novaretti

    Full Text Available ABSTRACT Parkinson's disease is a neurodegenerative disorder predominantly resulting from dopamine depletion in the substantia nigra pars compacta. Some psychiatric disorders may have dopaminergic dysfunction as their substrate. We describe a well-documented case of Parkinson's disease associated with Bipolar Disorder. Although there is some knowledge about the association between these diseases, little is known about its pathophysiology and correlation. We believe that among various hypotheses, many neurotransmitters are linked to this pathophysiology.

  10. Parkinson disease and smoking revisited

    DEFF Research Database (Denmark)

    Ritz, Beate; Lee, Pei-Chen; Lassen, Christina F

    2014-01-01

    patients with PD than controls ever established a smoking habit. Among former smokers, those with greater difficulty quitting or using nicotine substitutes were less likely to develop PD, with the risk being lowest among those reporting "extremely difficult to quit" compared with "easy to quit." Nicotine......OBJECTIVE: To assess whether being able to quit smoking is an early marker of Parkinson disease (PD) onset rather than tobacco being "neuroprotective," we analyzed information about ease of quitting and nicotine substitute use. METHODS: For this case-control study, we identified 1,808 patients...... substitute usage was strongly associated with quitting difficulty and duration of smoking, i.e., most strongly among current smokers, followed by former smokers who had used nicotine substitutes, and less strongly among former smokers who never used substitutes. CONCLUSIONS: Our data support the notion...

  11. Mitochondrial Dysfunction in Parkinson's Disease

    Directory of Open Access Journals (Sweden)

    P. C. Keane

    2011-01-01

    Full Text Available Parkinson's disease (PD is a progressive, neurodegenerative condition that has increasingly been linked with mitochondrial dysfunction and inhibition of the electron transport chain. This inhibition leads to the generation of reactive oxygen species and depletion of cellular energy levels, which can consequently cause cellular damage and death mediated by oxidative stress and excitotoxicity. A number of genes that have been shown to have links with inherited forms of PD encode mitochondrial proteins or proteins implicated in mitochondrial dysfunction, supporting the central involvement of mitochondria in PD. This involvement is corroborated by reports that environmental toxins that inhibit the mitochondrial respiratory chain have been shown to be associated with PD. This paper aims to illustrate the considerable body of evidence linking mitochondrial dysfunction with neuronal cell death in the substantia nigra pars compacta (SNpc of PD patients and to highlight the important need for further research in this area.

  12. Clinical utility of FDG PET in Parkinson's disease and atypical parkinsonism associated with dementia.

    Science.gov (United States)

    Walker, Zuzana; Gandolfo, Federica; Orini, Stefania; Garibotto, Valentina; Agosta, Federica; Arbizu, Javier; Bouwman, Femke; Drzezga, Alexander; Nestor, Peter; Boccardi, Marina; Altomare, Daniele; Festari, Cristina; Nobili, Flavio

    2018-05-19

    There are no comprehensive guidelines for the use of FDG PET in the following three clinical scenarios: (1) diagnostic work-up of patients with idiopathic Parkinson's disease (PD) at risk of future cognitive decline, (2) discriminating idiopathic PD from progressive supranuclear palsy, and (3) identifying the underlying neuropathology in corticobasal syndrome. We therefore performed three literature searches and evaluated the selected studies for quality of design, risk of bias, inconsistency, imprecision, indirectness and effect size. Critical outcomes were the sensitivity, specificity, accuracy, positive/negative predictive value, area under the receiving operating characteristic curve, and positive/negative likelihood ratio of FDG PET in detecting the target condition. Using the Delphi method, a panel of seven experts voted for or against the use of FDG PET based on published evidence and expert opinion. Of 91 studies selected from the three literature searches, only four included an adequate quantitative assessment of the performance of FDG PET. The majority of studies lacked robust methodology due to lack of critical outcomes, inadequate gold standard and no head-to-head comparison with an appropriate reference standard. The panel recommended the use of FDG PET for all three clinical scenarios based on nonquantitative evidence of clinical utility. Despite widespread use of FDG PET in clinical practice and extensive research, there is still very limited good quality evidence for the use of FDG PET. However, in the opinion of the majority of the panellists, FDG PET is a clinically useful imaging biomarker for idiopathic PD and atypical parkinsonism associated with dementia.

  13. Comparative study of CT scan findings and intellectual function between Parkinson's disease and vascular Parkinsonism

    International Nuclear Information System (INIS)

    Indo, Toshikatsu

    1986-01-01

    Comparative study of CT scan findings and intellectual function between 64 cases with Parkinson's disease and 25 cases with vascular Parkinsonism was carried out. The rate of abnormality of CT scan findings, either ventricular dilatation or widening of sulci, in vascular Parkinsonism was strikingly high compared with Parkinson's disease. Patients could be divided into three groups according to the degree of overall abnormalities of CT scan findings (group A: markedly abnormal, group B: mildly abnormal, group C: normal). Incidences of group A were 9.4 % in Parkinson's disease and 52 % in vascular Parkinsonism, whereas those of group C were 56 % in the former and 28 % in the latter. All patients of group A were over 65 years of age in Parkinson's disease, but one-third of patients in group A were under 59 years of age in vascular Parkinsonism. Moreover, in vascular Parkinsonism, the level of disability was directly proportional to the abnormality of CT scan findings. The rate of predementia and dementia classified by Hasegawa's intelligence scale was 12.5 % in Parkinson's disease and 48 % in vascular Parkinsonism. No difference was found between the mean values of intelligence scale and background factors in Parkinson's disease. On the other hand, the mean value was significantly low in proportion to the poverty of L-dopa effect in vascular Parkinsonism. From these results, the abnormality of CT scan findings and intellectual impairment were probably related to the cerebral pathological process in vascular Parkinsonism, but these relationship was absent in Parkinson's disease. (author)

  14. Comparative study of CT scan findings and intellectual function between Parkinson's disease and vascular Parkinsonism

    Energy Technology Data Exchange (ETDEWEB)

    Indo, Toshikatsu

    1986-01-01

    Comparative study of CT scan findings and intellectual function between 64 cases with Parkinson's disease and 25 cases with vascular Parkinsonism was carried out. The rate of abnormality of CT scan findings, either ventricular dilatation or widening of sulci, in vascular Parkinsonism was strikingly high compared with Parkinson's disease. Patients could be divided into three groups according to the degree of overall abnormalities of CT scan findings (group A: markedly abnormal, group B: mildly abnormal, group C: normal). Incidences of group A were 9.4 % in Parkinson's disease and 52 % in vascular Parkinsonism, whereas those of group C were 56 % in the former and 28 % in the latter. All patients of group A were over 65 years of age in Parkinson's disease, but one-third of patients in group A were under 59 years of age in vascular Parkinsonism. Moreover, in vascular Parkinsonism, the level of disability was directly proportional to the abnormality of CT scan findings. The rate of predementia and dementia classified by Hasegawa's intelligence scale was 12.5 % in Parkinson's disease and 48 % in vascular Parkinsonism. No difference was found between the mean values of intelligence scale and background factors in Parkinson's disease. On the other hand, the mean value was significantly low in proportion to the poverty of L-dopa effect in vascular Parkinsonism. From these results, the abnormality of CT scan findings and intellectual impairment were probably related to the cerebral pathological process in vascular Parkinsonism, but these relationship was absent in Parkinson's disease.

  15. Environmental Exposures and Parkinson?s Disease

    OpenAIRE

    Nandipati, Sirisha; Litvan, Irene

    2016-01-01

    Parkinson’s disease (PD) affects millions around the world. The Braak hypothesis proposes that in PD a pathologic agent may penetrate the nervous system via the olfactory bulb, gut, or both and spreads throughout the nervous system. The agent is unknown, but several environmental exposures have been associated with PD. Here, we summarize and examine the evidence for such environmental exposures. We completed a comprehensive review of human epidemiologic studies of pesticides, selected industr...

  16. Incidence, Risk and Prognosis of Parkinson Disease

    NARCIS (Netherlands)

    L.M.L. de Lau (Lonneke)

    2006-01-01

    textabstractParkinson disease (PD) is the second most common neurodegenerative disorder, and is clinically characterized by resting tremor, rigidity, bradykinesia and postural imbalance. These typical motor symptoms result from a selective degeneration of dopamine-producing neurons in the

  17. Parkinson's disease and driving ability

    Science.gov (United States)

    Singh, Rajiv; Pentland, Brian; Hunter, John; Provan, Frances

    2007-01-01

    Objectives To explore the driving problems associated with Parkinson's disease (PD) and to ascertain whether any clinical features or tests predict driver safety. Methods The driving ability of 154 individuals with PD referred to a driving assessment centre was determined by a combination of clinical tests, reaction times on a test rig and an in‐car driving test. Results The majority of cases (104, 66%) were able to continue driving although 46 individuals required an automatic transmission and 10 others needed car modifications. Ability to drive was predicted by the severity of physical disease, age, presence of other associated medical conditions, particularly dementia, duration of disease, brake reaction, time on a test rig and score on a driving test (all pautomatic transmission. A combination of clinical tests and in‐car driving assessment will establish safety to drive, and a number of clinical correlates can be shown to predict the likely outcome and may assist in the decision process. This is the largest series of consecutive patients seen at a driving assessment centre reported to date, and the first to devise a scoring system for on‐road driving assessment. PMID:17178820

  18. Neurophysiology of Drosophila Models of Parkinson's Disease

    OpenAIRE

    West, Ryan J. H.; Furmston, Rebecca; Williams, Charles A. C.; Elliott, Christopher J. H.

    2015-01-01

    We provide an insight into the role Drosophila has played in elucidating neurophysiological perturbations associated with Parkinson's disease- (PD-) related genes. Synaptic signalling deficits are observed in motor, central, and sensory systems. Given the neurological impact of disease causing mutations within these same genes in humans the phenotypes observed in fly are of significant interest. As such we observe four unique opportunities provided by fly nervous system models of Parkinson's ...

  19. Dopaminreceptorscintigraphy in Parkinson's disease - Clinical correlation

    International Nuclear Information System (INIS)

    Riklund Aahlstroem, K.E.; Hietala, S.-O.; Johansson, F.

    2002-01-01

    Parkinson's disease is a severe, progressive neuro degenerative disorder which is characterised by a degeneration of the dopamine containing cells and loss of dopamine transporters (DA) in substantia nigra. Earlier 123 I-β-CIT SPECT studies have demonstrated this loss of DA content in Parkinson's disease. Recently a new radioligand 123 I-FP-CIT, with faster kinetics than b-CIT became available for imaging of the DA transporter. The applicability of this radioligand was tested in a large clinical material with early and advanced Parkinson's disease using a one day protocol. 123 I-FP-CIT uptake was decreased in patients with Parkinson's disease and this was seen three hours after injection of the radioligand. In the Parkinson's disease group the uptake in the putamen was reduced more than in the caudate nucleus. Specific to non-specific striatal uptake ratios correlated with the Hoehn and Yahr stage. It appeared that 123 I-FP-CIT SPECT allows a significant discrimination between patients with Parkinson's disease and other movement disorders. The scintigraphic observations were correlated to clinical findings. The results will be presented and discussed

  20. Motivational modes and learning in Parkinson's disease.

    Science.gov (United States)

    Foerde, Karin; Braun, Erin Kendall; Higgins, E Tory; Shohamy, Daphna

    2015-08-01

    Learning and motivation are intrinsically related, and both have been linked to dopamine. Parkinson's disease results from a progressive loss of dopaminergic inputs to the striatum and leads to impairments in motivation and learning from feedback. However, the link between motivation and learning in Parkinson's disease is not well understood. To address this gap, we leverage a well-established psychological theory of motivation, regulatory mode theory, which distinguishes between two functionally independent motivational concerns in regulating behavior: a concern with having an effect by initiating and maintaining movement (Locomotion) and a concern with establishing what is correct by critically evaluating goal pursuit means and outcomes (Assessment). We examined Locomotion and Assessment in patients with Parkinson's disease and age-matched controls. Parkinson's disease patients demonstrated a selective decrease in Assessment motivation but no change in Locomotion motivation, suggesting that Parkinson's disease leads to a reduced tendency to evaluate and monitor outcomes. Moreover, weaker Assessment motivation was correlated with poorer performance on a feedback-based learning task previously shown to depend on the striatum. Together, these findings link a questionnaire-based personality inventory with performance on a well-characterized experimental task, advancing our understanding of how Parkinson's disease affects motivation with implications for well-being and treatment outcomes. © The Author (2014). Published by Oxford University Press. For Permissions, please email: journals.permissions@oup.com.