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Sample records for carotid intima-media thickness

  1. Carotid plaque, intima-media thickness, and incident aortic stenosis

    DEFF Research Database (Denmark)

    Martinsson, Andreas; Östling, Gerd; Persson, Margaretha

    2014-01-01

    OBJECTIVE: Aortic stenosis (AS) shares risk factors with atherosclerotic vascular disease. Carotid intima-media thickness (IMT) and plaque may reflect the cumulative damage from exposure to different atherosclerotic risk factors. We examined the relationship of carotid IMT and plaque with incident...

  2. Relationship between leukoaraiosis, carotid intima-media thickness and intima-media thickness variability: Preliminary results

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    Lucatelli, Pierleone [University of Rome la Sapienza, Department of Radiology, Rome (Italy); Raz, Eytan [New York University Langone Medical Center, Department of Radiology, New York, NY (United States); Saba, Luca [Azienda Ospedaliero Universitaria, Department of Radiology, di Cagliari - Polo di Monserrato, Cagliari (Italy); Argiolas, Giovanni Maria; Siotto, Paolo [Azienda Ospedaliera Brotzu, Department of Radiology, Cagliari (Italy); Montisci, Roberto [Azienda Ospedaliero Universitaria, Department of Vascular Surgery, di Cagliari - Polo di Monserrato, Cagliari (Italy); Wintermark, Max [University of Virginia, Department of Radiology, Neuroradiology Division, 1215 Lee Street-New Hospital, PO Box 800170, Charlottesville, VA (United States); King, Kevin S. [University of Texas Southwestern Medical Center, Department of Radiology, Dallas, TX (United States); Molinari, Filippo [Politecnico di Torino, Biolab, Department of Electronics, Torino (Italy); Ikeda, Nobutaka [Toho University Ohashi Medical Center, Division of Cardiovascular Medicine, Tokyo (Japan); Suri, Jasjit S. [AtheroPoint trademark LLC, Diagnostic and Monitoring Division, Roseville, CA (United States); University of Idaho, Department of Electrical Engineering, Pocatello, ID (United States)

    2016-12-15

    To assess the relationship between the degree of leukoaraiosis (LA), carotid intima-media thickness (IMT) and intima-media thickness variability (IMTV). Sixty-one consecutive patients, who underwent a brain MRI examination and a carotid artery ultrasound, were included in this retrospective study, which conformed with the Declaration of Helsinki. Written informed consent was waived. In each patient, right/left carotid arteries and brain hemispheres were assessed using automated software for IMT, IMTV and LA volume. The mean hemispheric LA volume was 2,224 mm{sup 3} (SD 2,702 mm{sup 3}) and there was no statistically significant difference in LA volume between the right and left hemispheres (p value = 0.628). The mean IMT and IMTV values were 0.866 mm (SD 0.170) and 0.143 mm (SD 0.100), respectively, without significant differences between the right and left sides (p values 0.733 and 0.098, respectively). The correlation coefficient between IMTV and LA volume was 0.41 (p value = 0.0001), and 0.246 (p value = 0.074) between IMT and LA volume. IMTV significantly correlates with LA volume. Further studies are warranted to verify whether this parameter can be used clinically as a marker of cerebrovascular risk. (orig.)

  3. Endothelial function predicts progression of carotid intima-media thickness

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    Halcox, J.P.; Donald, A.E.; Ellins, E.;

    2009-01-01

    investigated endothelial dysfunction, risk factors, and progression of carotid intima-media thickness (cIMT) in late-middle-aged individuals at low to intermediate cardiovascular risk in a prospective study between 1997 and 2005. METHODS AND RESULTS: Brachial artery flow-mediated dilatation and cIMT were...... measured in 213 nonsmoking British civil servants recruited from a prospective cohort (Whitehall II study). Participants (age, 45 to 66 years) were free of clinical cardiovascular disease and diabetes mellitus. Risk factors and Framingham Risk Score were determined at baseline. cIMT was repeated 6...... to its impact on the evolution of the atherosclerotic substrate. Flow-mediated dilatation testing provides an integrated vascular measure that may aid the prediction of structural disease evolution and represents a potential short- to intermediate-term outcome measure for evaluation of preventive...

  4. Carotid Intima-Media Thickness in Master Athletes

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    Gori, Niccolo; Anania, Giuseppe; Stefani, Laura; Boddi, Maria; Galanti, Giorgio

    2015-01-01

    Background: Carotid Intima Media Thickness (IMT) is currently used to assess the relationship between progression of coronary and systemic atherosclerosis. To date, however, the possible impact of regular physical activity (PA) on this parameter has not been well estimated. Objectives: Our study aims to examine this aspect especially in the absence of cardiovascular (CV) risk factors. Patients and Methods: 100 master athletes (MA) and 51 sedentary controls (SC) were enrolled. They were evaluated by echo test with dedicated software (QIMT-Esaote) for IMT, and Bruce protocol and 2D echocardiography for cardiac hemodynamic parameters. Results: All values were within normal range. Left IMT mean values were significantly higher than right IMT values in both MA and SC groups (MA: IMT left 635 ± 104 µ, IMT right 614 ± 104 µ and mean IMT 624 ± 91.9 µ; SC: IMT left 633 ± 78 µ, IMT right 622 ± 90 µ and mean IMT 627 ± 78.1 µ). A positive relationship was found in both groups between IMT mean values and age (P risk factors, only age is associated with a slight increase of wall carotid thickening. The data are indicative of a physiological increase in IMT, as a consequence of increased peak effort systolic pressure after regular PA in athletes. PMID:26448832

  5. The Relationship between Lichen Planus and Carotid Intima Media Thickness

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    C, Koseoglu; M, Erdogan; G, Koseoglu; O, Kurmus; AG, Ertem; TH, Efe; GI, Kurmus; T, Durmaz; T, Keles; E, Bozkurt

    2016-01-01

    Background Lichen planus (LP) is a chronic inflammatory disease. Although the association between chronic inflammation and subclinical atherosclerosis has been reported in the literature, the relationship between LP and carotid intima media thickness (CIMT) has not been previously investigated. The aim of this study was to investigate the relationship between LP and CIMT. Methods One hundred eleven LP patients and 105 controls were enrolled in the study. Then, CIMT examination was performed with an ultrasonography device. Cross-sectional associations of LP with CIMT were analyzed using linear regression models adjusted for related confounders. Results No statistical difference was found between LP and the controls except for the female gender, white blood cell, LDL cholesterol and triglycerides (p = 0.046, p = 0.019, p = 0.011 and p = 0.013, respectively). Significant difference was found between the groups in terms of CIMT (0.90 ± 0.2 mm vs. 0.61 ± 0.3 mm, p = 0.001). CIMT was correlated with longevity of the LP, but we did not find LP to be an independent predictor of increased CIMT in logistic regression analysis (r = 0.449, p < 0.001, β = -0.117, p = 0.092; respectively). Conclusions The results of our study suggested that LP was associated with increased mean CIMT, and furthermore that CIMT was correlated with longevity of LP. However, LP was not an independent predictor of increased CIMT. PMID:27899862

  6. Carotid intima-media thickness in spondyloarthritis patients

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    Thelma Larocca Skare

    Full Text Available CONTEXT AND OBJECTIVE Accelerated atherosclerosis has become a major problem in rheumatic inflammatory disease. The aim here was to analyze carotid intima-media thickness (IMT in spondyloarthritis (SpA patients and correlate this with clinical parameters and inflammatory markers. DESIGN AND SETTING Cross-sectional analytical study at Rheumatology Outpatient Clinic, Evangelical University Hospital, Curitiba. METHODS IMTs (measured using Doppler ultrasonography of 36 SpA patients were compared with controls. The IMT in SpA patients was associated with inflammatory markers, like erythrocyte sedimentation rate (ESR, C-reactive protein (CRP and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI; and with clinical parameters, like axial or peripheral involvement, dactylitis, HLA B27, uveitis occurrence, Bath Ankylosing Spondylitis Functional Index (BASFI and lipid profile. RESULTS The mean IMT in SpA patients was 0.72 ± 0.21 mm; in controls, 0.57 ± 0.13 mm (P = 0.0007. There were no associations with ESR, CRP, BASDAI or clinical data. In univariate analysis, greater IMT was seen in patients with longer disease duration (P = 0.014; Pearson R = 0.40; 95% confidence interval, CI = 0.06 to 0.65; higher triglycerides (P = 0.02; Spearman R = 0.37; 95% CI = 0.03 to 0.64; and older age (P = 0.0014; Pearson R 0.51; 95% CI = 0.21 to 0.72. CONCLUSION SpA patients have a higher degree of subclinical atherosclerosis than in controls, thus supporting clinical evidence of increased cardiovascular risk in rheumatic patients.

  7. Correlation between serum lipid profile and carotid intima-media thickness in Polycystic Ovarian Syndrome.

    Science.gov (United States)

    Saha, Sarama; Sarkar, Chandan; Biswas, Subhash Chandra; Karim, R

    2008-07-01

    Abnormal lipid profile is often found in women with Polycystic Ovary Syndrome. To assess the impact of abnormal lipid profile on atherosclerosis in young Polycystic Ovary Syndrome women, carotid intima-media thickness as judged by B-mode ultrasonography were done in 30 young (18-35 yrs) Polycystic Ovary Syndrome women and in similarly age-matched 30 apparently healthy controls. Compared to controls, young Polycystic Ovary Syndrome women had significantly elevated serum total cholesterol, triglyceride and LDL-C levels and carotid intima-media thickness. HDL-C level did not differ significantly between two groups of women. In Polycystic Ovary Syndrome women carotid intima-media thickness was positively correlated with serum total cholesterol, triglyceride and LDL-C and negatively correlated with serum HDL-C. Our study suggests that even young Polycystic Ovary Syndrome women are prone to atherosclerosis from early age.

  8. Carotid intima-media thickness and elastic properties of aortas in normotensive children of hypertensive parents.

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    Yildirim, Ali; Kosger, Pelin; Ozdemir, Gokmen; Sahin, Fezan Mutlu; Ucar, Birsen; Kilic, Zubeyir

    2015-09-01

    A significant correlation between hypertension history and high blood pressure has been observed with regard to age, race and gender. Investigating carotid intima-media thickness and aortic stiffness prior to the development of hypertension in children of hypertensive parents enabled us to evaluate these patients for subclinical atherosclerosis. We compared carotid intima-media thickness, aortic strain, distensibility, stiffness indices and elastic modulus in 67 normotensive children whose parents had a diagnosis of essential hypertension and 39 normotensive children with no parental history of hypertension. Although there were no significant differences between the two groups in terms of systolic blood pressure, diastolic blood pressure, average blood pressure and pulse pressure (P>0.05), systolic blood pressures were higher among patients 15 years and older in the study group. No significant differences were noted between the control and study groups regarding interventricular septal thickness, left-ventricular posterior wall thickness, left-ventricular systolic and diastolic diameter and aortic annulus diameter (P>0.05). The left atrium diameter was larger in the study group compared with that in the control group, mainly because of the values of the 15-year-old and older children (P=0.01). The mean, maximum and minimum values of carotid intima-media thickness were significantly different in the study group compared with the control group among all age groups (Pchildren of hypertensive parents compared with the control group (P=0.014, P=0.001, respectively). Although there were no differences between the study and control groups regarding aortic strain, aortic distensibility, elastic modulus and stiffness indices (P>0.05), aortic distensibility was lower, and aortic stiffness indices were higher among children 15 years and older in the study group. An increase in the carotid intima-media thickness in all age groups and a decrease in aortic elastic properties in

  9. Increased Hs-CRP/adiponectin ratio is associated with increase carotid intima-media thickness

    OpenAIRE

    Liao, Huocheng; Li, Zhiming; Zheng, Dongdan; Liu, Jianping; Liu, Yan; Xiao, Chun; Wang, Hongguang

    2014-01-01

    Background High sensitivity C-reactive protein (Hs-CRP) and adiponectin (APN) are two critical cytokines and exert inverse effects on atherosclerosis initiation and progression. The purpose of our study was to investigate the value of Hs-CRP and ANP ratio (Hs-CRP/APN ratio) on evaluating atherosclerosis progression. Method One hundred sixty consecutive participants underwent carotid intima-media thickness (CIMT) measured by ultrasound were enrolled and drawn fasting blood samples for plasma l...

  10. Carotid Intima-Media Thickness and Plasma Asymmetric Dimethylarginine in Mexican Children Exposed to Inorganic Arsenic

    OpenAIRE

    Osorio-Yáñez, Citlalli; Ayllon-Vergara, Julio C.; Aguilar-Madrid, Guadalupe; Arreola-Mendoza, Laura; Hernández-Castellanos, Erika; Barrera-Hernández, Angel; De Vizcaya-Ruiz, Andrea; Del Razo, Luz M.

    2013-01-01

    Background: Arsenic exposure is a risk factor for atherosclerosis in adults, but there is little information on arsenic and early risk biomarkers for atherosclerosis in children. Carotid intima-media thickness (cIMT) is an indicator of subclinical atherosclerotic burden that has been associated with plasma asymmetric dimethylarginine (ADMA), a predictor of cardiovascular disease risk. Objectives: The aim of this study was to investigate associations of arsenic exposure with cIMT, ADMA, and en...

  11. CORRELATION BETWEEN CAROTID INTIMA MEDIA THICKNESS AND NEWLY DIAGNOSED HYPERTENSIVE PATIENTS

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    Rupak

    2015-09-01

    Full Text Available BACKGROUND: Hypertension is one of the leading causes of the global burden of disease and carotid intima - media thickness (IMT increases with hypertension. Various studies have proved that IMT measurements correlated with pathologic measurements. So the study has been done to find the correlation between carotid intima media thickness and hypertension in newly diagnosed cases. METHODS: 52 newly diagnosed hypertensive subjects ( A ge>18yrs were taken along with matched controls. Known hypertensive cases and secondary hypertension cases were excluded from the study. cIMT measurement was taken in all patients. RESULTS: mean age of cases was 42.8years and BMI was 26.3kg/m 2 . For all of the subjects combined (n=104, cIMT correlated with office systolic blood pressure (SBP (r = 0.48; p<0.001 but no correlation was found between diastolic blood pressure and cIMT(r=0.15, p=0.11. Among hypertensive subjects (n=52, there was a significant positive correlation between cIMT and SBP (r=0.59, p<0.001 but no correlation was found between DBP and cIMT (r = 0.202; p = 0.15 in the hypertensive subjects. No correlation was found between BMI and smoking with cIMT. CONCLUSION: Increase in blood pressure correlates with increase in carotid intima media thickness, particularly with systolic blood pressure.

  12. Association of carotid artery intima-media thickness with complex aortic atherosclerosis in patients with recent stroke.

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    Fasseas, Panayotis; Brilakis, Emmanouil S; Leybishkis, Biana; Cohen, Marc; Sokil, Alexis B; Wolf, Nelson; Dorn, Rose Lee; Roberts, Andrew; VanDecker, William

    2002-01-01

    This study was undertaken to determine whether carotid intima-media thickness can predict complex aortic atherosclerosis. A retrospective review was conducted of 64 consecutive patients who underwent transesophageal echocardiography and carotid ultrasonography for evaluation of recent ischemic stroke at MCP Hahnemann University, Medical College of Pennsylvania Hospital between January 1, 1999, and December 31, 1999. The mean age was 65+/-14 years and 59% of the patients were women. Thirty-nine patients (61%) had carotid atherosclerosis (defined as an intima-media thickness > or =1 mm) and seven patients (11%) had complex aortic atherosclerosis (defined as the presence of protruding atheroma > or =4 mm thick, mobile atherosclerotic debris, or plaque ulceration in any aortic segment by transesophageal echocardiography). Compared to patients without complex aortic atherosclerosis, patients with complex aortic atherosclerosis were more likely to have hypercholesterolemia (19% vs 57%, p = 0.05) and a carotid intima-media thickness of 2 mm or greater (35% vs 86%, p = 0.02). A carotid intima-media thickness of 2 mm or more had 86% sensitivity, 65% specificity, 23% positive predictive value, 97% negative predictive value, 2.5 positive likelihood ratio, and 0.22 negative likelihood ratio for the diagnosis of complex aortic atherosclerosis. Carotid intimamedia thickness measurement can be used to noninvasively estimate the probability of complex aortic atherosclerosis. A carotid intima-media thickness less than 2 mm makes complex aortic atherosclerosis very unlikely.

  13. Insulin sensitivity and carotid intima-media thickness

    DEFF Research Database (Denmark)

    Kozakova, Michaela; Natali, Andrea; Dekker, Jacqueline;

    2013-01-01

    Despite a wealth of experimental data in animal models, the independent association of insulin resistance with early carotid atherosclerosis in man has not been demonstrated. APPROACH AND RESULTS: We studied a European cohort of 525 men and 655 women (mean age, 44±8 years) free of conditions know...

  14. Relationship Between Carotid Intima-Media Thickness Using Ultrasonography and Diagnostic Indices of Metabolic Syndrome

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    Ko, Kyung Sun; Heo, Kyung Hwa; Won, Yong Lim; Kim, Ki Woong [Center for Occupational Disease Reserach, Occupational Safety and Health Research Insurance, KOSHA, Incheon (Korea, Republic of)

    2009-09-15

    The aim of the present study was undertaken to investigate the association between diagnostic indices of metabolic syndrome(MetS) with carotid intima-media thickness using ultrasonography. The participants in the study were 315 male employees without carotid atherosclerosis and other cardiovascular disease. This study was approved by the Institutional Review Board of Occupational Safety and Health Research Institute. Written informed consent for the participants in this study was obtained from all individuals. Anthropometric parameters and biochemical characteristics were done using each specific equipment and the NCEP-ATP III criteria were used to define MetS. They were examined by B-mode ultrasound to measure the carotid intima-media thickness(carotid IMT) at the near and far walls of common carotid and bifurcation(bulb). The mean carotid IMT was 0.739{+-}0.137 mm and it's thickness significantly increased with the increase in age. Also, amounts of systolic and diastolic blood pressure, triglyceride and fasting glucose were significantly increased with the increase in age. Carotid IMT were significantly correlated with BMI(r=0.170, p=0.004), systolic(r=0.148, p=0.011) and diastolic blood pressure(r=0.123, p=0.036) and HDL-cholesterol(r=-0.164, p=0.005). On multiple logistic regression analysis for the diagnostic indices of MetS, carotid IMT were significantly associated with blood pressure(OR=4.220, p<0.01) and MetS(OR=1.301, p<0.05). The results indicate that blood pressure and MetS are important risk factors for carotid atherosclerosis.

  15. Effect of cabergoline on insulin sensitivity, inflammation, and carotid intima media thickness in patients with prolactinoma.

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    Inancli, Serap Soytac; Usluogullari, Alper; Ustu, Yusuf; Caner, Sedat; Tam, Abbas Ali; Ersoy, Reyhan; Cakir, Bekir

    2013-08-01

    The aim of this study was to evaluate the effect of Cabergoline on insulin sensitivity, inflammatory markers, and carotid intima media thickness in prolactinoma patients. Twenty-one female, newly diagnosed patients with prolactinoma were included in the study. None of the patients were treated previously. Cabergoline was given as treatment, starting with 0.5 mg/day and tapered necessarily. Blood samples were taken for prolactin, highly sensitive C-reactive protein, homocysteine, total cholesterol, low density lipoprotein (LDL) cholesterol, fasting glucose, insulin, and HOMA (homeostasis model assessment of insulin resistance) score was calculated, prior to and 6 months after starting treatment. The body mass index (BMI) was measured and carotid intima media thickness (CIMT) was evaluated for each patient prior to and 6 months after the treatment. The prolactin levels and LDL decreased significantly after cabergoline treatment. Insulin sensitivity improved independently from the decrease in prolactin levels and BMI. The significant decrease in homocysteine and hs-CRP was not related with the decrease in prolactin levels. The significant decrease in CIMT was independent from the decrease in prolactin levels, HOMA score, and BMI. Our data suggest that cabergoline treatment causes an improvement in insulin sensitivity and inflammatory markers and causes a decrease in CIMT independent from the decrease in prolactin, LDL cholesterol, and BMI. We conclude that short term cabergoline treatment can improve endothelial function independently from the changes in metabolic disturbances and inflammatory markers.

  16. Differences in left and right carotid intima-media thickness and the associated risk factors

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    Luo, X. [Department of Ultrasound, Beijing An Zhen Hospital, Capital Medical University, Beijing (China); Yang, Y., E-mail: yangya99@126.co [Department of Ultrasound, Beijing An Zhen Hospital, Capital Medical University, Beijing (China); Cao, T. [Department of Ultrasound, Tangdu Hospital, Fourth Military Medical University, Xi' an (China); Li, Z. [Department of Ultrasound, First Hospital of Shanxi Medical University, Taiyuan (China)

    2011-05-15

    Aim: To investigate the difference between the left and right carotid artery intima-media thickness (CIMT) with increasing age and to analyse the importance of the various risk factors associated with left and right CIMT, respectively. Materials and methods: Four hundred and forty-seven people were assigned into six groups based on age. CIMT and haemodynamic parameters of both carotid arteries were measured using the Quality Intima-Media Thickness (QIMT) technique. In addition, biochemical and anthropometric indices were also measured. Their associations were evaluated using simple and partial correlation analysis, adjusted for age. Results: Bilateral CIMTs became thicker with age (p < 0.001) and the left CIMT was significantly thicker compared with the right between the ages of 35 and 65 years (p = 0.01-0.05). In addition, the right CIMT thickened 10 years later compared with the left. Partial correlation analysis showed that the right CIMT correlated better with haemodynamic parameters compared with the left CIMT, but the left CIMT showed better correlation with biochemical indices. Conclusion: Haemodynamic and biochemical changes had different effects on the CIMT depending on the side affected. In addition, the left CIMT was thicker than the right between the ages of 35 and 65 years old.

  17. Does carotid intima-media thickness have relationship with polycystic ovary syndrome?

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    Zahra Allameh

    2013-01-01

    Full Text Available Background: Polycystic ovary syndrome (PCOS is a common reproductive endocrine disorder associated with cardiovascular disease (CVD risk factors and metabolic disturbances and a genetically heterogeneous disease. Intima-media thickness (IMT is an indicator of atherosclerosis. This study aimed to determine the relation between IMT and PCOS in women. Methods: This cross-sectional study was performed on 44 PCOS patients and 44 healthy women. Data collection included lipid profiles, blood pressure, waist circumference, body mass index (BMI, and common and internal IMT of carotid artery which were measured in studied subjects. IMT was measured by a radiologist using a linear 12 MHz ultrasound probe (LOGIC S6, GE in carotid setting. Results: IMT of common carotid artery (56.8 ΁ 7.6 in cases versus 49.8 ΁ 7.3 in controls, internal carotid artery (56.9 ΁ 6.03 in cases versus 49.6 ΁ 6.9 in controls, and both common and internal carotid artery (56.6 ΁ 6.7 in cases versus 49.7 ΁ 6.9 in controls were significantly higher in PCOS patients than healthy women (P < 0.001. Conclusions: In summary, results demonstrated that carotid artery thickness as a risk for premature atherosclerosis in patients with PCOS is higher than healthy subjects. And hence care and monitoring of PCOS women with these risk factors sounds to be important and necessary.

  18. Cigarette smoking in military pilots and intima-media thickness of the carotid arteries

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    Jovelić Stojan

    2005-01-01

    Full Text Available Background. It is well known that smoking is associated with an increase in arterial wall thickness. However, most studies of this problem have been undertaken in age and sex heterogeneous groups, as well as in patients with already present other conventional risk factors. The aim of this study was to assess the effect of cigarette smoking on arterial wall thickness of the common carotid artery in asymptomatic pilots. Methods. The imaging of intima−media thickness of the posterior wall of the distal 1 cm of both common carotid arteries was performed using a B mode ultrasound device, in 39 pilots (37.05 ± 6.66 years, for whom smoking was the single cardiovascular risk factor. Comparisons were made with 49 non-smokers (35.12 ± 7.39 years. Results. The posterior walls of both common carotid arteries were thicker in smokers (left, p < 0.05; right, p > 0,05. Intima-media thickness was significantly lower on the right side than on the left side in both smokers and nonsmokers (p < 0.01. Conclusion. Cigarette smoking as the single cardiovascular risk factor was associated with the wall thickness of the carotid arteries in our study. This finding indicated that early atherosclerosis was already present in pilots - smokers entering middle age.

  19. Pre-clinical atherosclerosis evaluated by carotid artery intima-media thickness and the risk factors in children

    Institute of Scientific and Technical Information of China (English)

    YANG Xiao-zheng; LIU Ying; MI Jie; TANG Chao-shu; DU Jun-bao

    2007-01-01

    Background Atherosclerosis as a cardiovascular disease was found to begin even in the fetal period. However,information about risk factors of pre-clinical atherosclerosis in childhood has been limited. Hence, this study was aimed to find out the risk factors of atherosclerosis by measuring the carotid artery intima-media thickness in children. High resolution B-mode ultrasound used to examine the carotid artery intima-media thickness was demonstrated to be useful in finding the early carotid structural changes.Methods The study included 79 children who were divided into two groups according to their ages: group Ⅰ consisted of 42 children with ages from 5 to 9 years and group Ⅱ consisted of 37 children with ages from 10 to 18 years, Among them,23 had a positive family history for risk, such as hypertension, obesity or dyslipidemia. Blood samples were collected and total cholesterol, triglycerides, high density lipoprotein and low density lipoprotein were assayed. The carotid artery intima-media thickness was measured by ultrasound. Comparisons were done between the two groups using Student's t tests and Chi-square analysis. Body mass index, blood pressure, levels of lipids, family history and the carotid artery intima-media thickness were calculated by conditional logistic regression analysis.Results Compared with the children without a positive family history, the incidence of the increased carotid artery intima-media thickness was significantly high (x2=4.364, P<0.05). There were no statistically significant differences between left and right carotid arteries in carotid artery intima-media thickness (P>0.05). In this study, diastolic blood pressure and the atherosclerosis index were suggested to be the risk factors to the thickened carotid artery intima-media thickness. In group I the diastolic blood pressure's odds radio was 1.187 (P=0.035) and the atherosclerosis index odds radio was 37.165 (P=0.001); in group Ⅱ the diastolic blood pressure's odds

  20. Intima-Media Thickness of Carotid Artery is Associated with Insulin Sensitivity and Glucose Tolerance in Elderly Chinese

    Institute of Scientific and Technical Information of China (English)

    Yi-na Zhang; Can Cui; Ying Fan; Man-li Chang; Wei Wu; Wei-gang Yu; Ning Tan; Feng-chen Liu; Jin-chao Zhang

    2005-01-01

    @@ Previous studies have shown that patients with type 2 diabetes and even those with impaired glucose tolerance (IGT)have marked higher risk of atherosclerosis than nondiabetic subjects. The relationship between carotid atherosclerosis intima-media thickness (IMT) with glucose tolerance status and insulin sensitivity was studied in the elderly Chinese subjects.

  1. Soluble CD93 Is Involved in Metabolic Dysregulation but Does Not Influence Carotid Intima-Media Thickness

    NARCIS (Netherlands)

    Strawbridge, Rona J.; Hilding, Agneta; Silveira, Angela; Osterholm, Cecilia; Sennblad, Bengt; McLeod, Olga; Tsikrika, Panagiota; Foroogh, Fariba; Tremoli, Elena; Baldassarre, Damiano; Veglia, Fabrizio; Rauramaa, Rainer; Smit, Andries J.; Giral, Phillipe; Kurl, Sudhir; Mannarino, Elmo; Grossi, Enzo; Syvanen, Ann-Christine; Humphries, Steve E.; de Faire, Ulf; Ostenson, Claes-Goran; Maegdefessel, Lars; Hamsten, Anders; Backlund, Alexandra

    2016-01-01

    Type 2 diabetes and cardiovascular disease are complex disorders involving metabolic and inflammatory mechanisms. Here we investigated whether sCD93, a group XIV c-type lectin of the endosialin family, plays a role in metabolic dysregulation or carotid intima-media thickness (IMT). Although no assoc

  2. Carotid intima media thickness is associated with plasma adiponectin but not with the leptin : adiponectin ratio independently of metabolic syndrome

    NARCIS (Netherlands)

    Dullaart, Robin P. F.; Kappelle, Paul J.W.H.; Dallinga-Thie, Geesje M.

    2010-01-01

    Purpose: A recent report showed no benefit of the leptin: adiponectin ratio (L: A ratio) over individual adipokine levels in CHD prediction [ 8]. We determined associations of carotid intima media thickness (IMT) with the L: A ratio taking account of cardiovascular risk factors in a high risk popula

  3. Carotid intima-media thickness in HIV patients treated with antiretroviral therapy

    DEFF Research Database (Denmark)

    Lebech, Anne-Mette; Wiinberg, Niels; Kristoffersen, Ulrik Sloth

    2007-01-01

    INTRODUCTION: Increased cardiovascular risk in HIV patients in antiretroviral therapy (ART) may be due to HIV infection, direct effect of ART or dyslipidaemia induced by ART. Our aim was to study the relative importance of HIV, ART and dyslipidaemia on atherosclerosis, assessed by the comparison...... of carotid artery intima-media thickness (IMT) in non-smoking HIV patients with high or low serum cholesterol levels as well as in healthy volunteers. METHODS: HIV patients in ART with normal cholesterol (or=6 x 5 mmol l(-1); n=12) as well as healthy controls (n=14) were included. All were non...... on these observations, one could speculate whether selective lowering of LDL cholesterol will be successful in reducing cardiovascular risk in non-smoking HIV patients....

  4. Effects of Nitric Oxide on Carotid Intima Media Thickness: A Pilot Study.

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    Lee, Edwin

    2016-06-01

    Cardiovascular disease is among the leading causes of morbidity and mortality worldwide. Preventive treatment of high-risk asymptomatic individuals depends on accurate prediction of a person's risk to develop a cardiovascular event. Currently, cardiovascular risk prediction in asymptomatic individuals is based on the level of cardiovascular risk factors incorporated in scoring equations. Improvement in cardiovascular risk prediction is needed because atherosclerosis underlies the occurrence of cardiovascular events, develops over decades, and has a prolonged asymptomatic phase during which it is possible to modify the course of the disease. The carotid intima media thickness test (CIMT) is a measure used to diagnose the extent of carotid atherosclerotic vascular disease. The test measures the thickness of the inner 2 layers of the carotid artery-the intima and media-and alerts physicians to any thickening when patients are still asymptomatic. Early detection may indicate the need for a more aggressive approach to managing the risk factors associated with heart disease and stroke. The role of nitric oxide (NO) in maintaining the integrity of the cardiovascular system is well established. Utilizing a dietary supplement that restores NO production, the author conducted a pilot study involving 10 patients with stable plague. Six months of treatment with the NO lozenge resulted in a statistically significant 10.9% reduction in CIMT. This pilot study suggests this approach may be a safe and effective strategy for patients with early stages of atherosclerotic vascular disease.

  5. Association between fasting and postprandial triglyceride levels and carotid intima-media thickness in type 2 diabetes patients

    Institute of Scientific and Technical Information of China (English)

    陈香; 田浩明; 刘瑞

    2003-01-01

    Objective To investigate the association of fasting and postpiandial triglyceride with carotid intima-media thickness among type 2 diabetic patients in southeast China.Methods A total of 78 type 2 diabetic patients from southeast China were recruited. All the subjects underwent a standardized mixed-meal test (SMMT) and an oral glucose tolerance test. Carotid intima-media thickness (IMT) was measured by color doppler ultrasound examination.Results Postprandial triglyceride (PTG) after SMMT increased significantly in type 2 diabetic patients. The carotid IMT in patients with postprandial hypertriglyceridemia was sinificantly greater than that in patients with postprandial normal-triglyceridemia (0.90 mm vs 0.81 mm, P0.05).Conclusion The results suggest that postprandial hypertriglyeridemia may be an independent risk factor of early atherosclerosis in type 2 diabetes.

  6. Relationship between carotid intima-media thickness and coronary angiographic findings: a prospective study

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    Kilickesmez Kadriye O

    2009-12-01

    Full Text Available Abstract Background Since cardiovascular diseases are associated with high mortality and generally undiagnosed before the onset of clinical findings, there is a need for a reliable tool for early diagnosis. Carotid intima-media thickness (CIMT is a non-invasive marker of coronary artery disease (CAD and is widely used in practice as an inexpensive, reliable, and reproducible method. In the current study, we aimed to investigate prospectively the relationship of CIMT with the presence and extent of significant coronary artery narrowing in patients evaluated by coronary angiography for stable angina pectoris. Methods One hundred consecutive patients with stable angina pectoris and documented ischemia on a stress test were included in the study. The patients were divided into two groups according to the result of the coronary angiography: group 1 (39 patients without a noncritical coronary lesion, and group 2 (61 patients having at least one lesion more than 50% within the main branches of the coronary arteries. All of the patients underwent carotid Doppler ultrasound examination for measurement of the CIMT by a radiologist blinded to the angiographic data. Results The mean CIMT was 0.78 ± 0.21 mm in Group 1, while it was 1.48 ± 0.28 mm in Group 2 (p = 0.001. The mean CIMT in patients with single vessel disease, multi-vessel disease, and left main coronary artery disease were significantly higher compared to Group 1 (1.2 ± 0.34 mm, p = 0.02; 1.6 ± 0.32 mm, p = 0.001; and 1.8 ± 0.31 mm, p = 0.0001, respectively. Logistic regression analysis identified CIMT (OR 4.3, p Conclusions The findings of this study show that increase in CIMT is associated with the presence and extent of CAD. In conclusion, we demonstrated the usefulness of carotid intima-media thickness in predicting coronary artery disease but large-scale studies are required to define its role in clinical practice.

  7. Association of Plasma Adiponectin and Oxidized Low-Density Lipoprotein with Carotid Intima-Media Thickness in Diabetic Nephropathy

    OpenAIRE

    Anna Tavridou; Anastasia Georgoulidou; Athanasios Roumeliotis; Stefanos Roumeliotis; Efstathia Giannakopoulou; Nikolaos Papanas; Ploumis Passadakis; Manolopoulos, Vangelis G; Vassilis Vargemezis

    2015-01-01

    Aims. We sought to determine the association between levels of adiponectin and oxidized low-density lipoprotein (ox-LDL) in patients with diabetic nephropathy as well as their effect on carotid intima-media thickness (cIMT). Methods. Adiponectin and ox-LDL were determined in 25 diabetic patients without nephropathy and 94 patients at different stages of diabetic nephropathy including subjects on hemodialysis. cIMT was measured using real-time B-mode ultrasonography. Results. Plasma adiponecti...

  8. Impact of carotid intima-media thickness on long-term outcome in hemodialysis patients

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    Munna Lal Patel

    2015-01-01

    Full Text Available Background: Chronic kidney disease (CKD patients on hemodialysis are highly prone to cardiovascular disease, which accounts for roughly half of the mortality in these patients. Atherosclerosis begins many years before the development of clinical manifestations. Measurement of carotid intima-media thickness (CIMT is a noninvasive procedure to detect early atherosclerotic changes. Aims: The aim of the study was to evaluate the correlation between CIMT and cardiovascular risk factors and to investigate its prognostic significance in CKD patients on hemodialysis. Materials and Methods: This was a prospective study carried out over a period of 18 months. Total 88 patients on hemodialysis and 50 healthy controls were enrolled in the study. Biochemical assay and CIMT was assessed using the high resolution 7.5 MHz sonography technique in all subjects. Results: Significant positive correlation was found with age, blood urea, serum creatinine, serum triglyceride, low-density lipoprotein, serum phosphorus, serum calcium-phosphorus product, serum uric acid, 24 h urine protein, systolic blood pressure, diastolic blood pressure, and body mass index. Negative correlation was found with estimated glomerular filtration rate. Adjusted hazards ratios of all cause and cardiovascular mortality for an increase of 0.1 mm in CIMT was 1.16 (95% confidence interval 0.15-9.09. Patients with CIMT value 0.97 mm had a renal survival rate of 16.5%. Conclusion: Uremia is an additive risk factors in those subjects who have raised CIMT despite of traditional cardiovascular risk factors.

  9. Carotid, aorta and renal arteries intima-media thickness in patients with sporadic idiopathic hypoparathyroidism

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    Deshraj Meena

    2015-01-01

    Full Text Available Background: Alteration in homeostasis of calcium, phosphate and parathyroid hormone (PTH predispose to vascular calcification that increases the risk of cardiovascular morbidity and mortality. The data on this aspect are scarce in patients with sporadic idiopathic hypoparathyroidism (SIH. Objective: The aim was to assess the effect of altered calcium, phosphate and PTH homeostasis in patients with SIH on intima media thickness (IMT, a surrogate marker of increased vascular risk. Methods: In this case-control study, we measured carotid IMT (CIMT, aortic IMT (AIMT and renal arteries IMT (RIMT in 30 consecutive patients with SIH, and compared with healthy subjects. IMT was measured by ultrasound by a single operator blinded to subject′s details. Results: CIMT, AIMT, RIMT values in patients with SIH were significantly more than healthy subjects (0.60 ± 0.08 mm vs. 0.52 ± 0.09 mm, P = 0.001; 0.73 ± 0.09 mm vs. 0.65 ± 0.10, P = 0.004; and 0.34 ± 0.04 mm vs. 0.30 ± 0.05, P = 0.003, respectively. Clinical or biochemical parameters did not correlate with CIMT, AIMT and RIMT in patients with SIH. Conclusion: The vascular risk is increased in patients with SIH as assessed by CIMT, AIMT, and RIMT.

  10. Residential Exposure to Urban Traffic Is Associated with Increased Carotid Intima-Media Thickness in Children

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    Rodrigo X. Armijos

    2015-01-01

    Full Text Available Chronic exposure to urban traffic pollution is documented to promote atherosclerosis in adults but little is known about its potential effects in children. Our study examined the association of long-term exposure to traffic with carotid intima-media thickness (cIMT in 287 healthy children. Residential proximity and distance-weighted traffic density (DWTD were used as proximity markers for traffic-related air pollution exposure. The multivariable analyses revealed that children residing <100 meters from the nearest heavily trafficked road had cIMT mean and maximum measurements that were increased by 15% and 11% compared to those living ≥ 200 meters away (P=0.0001. Similar increases in cIMT were identified for children in the highest versus lowest DWTD tertile. Children who resided 100–199 meters from traffic or in the middle DWTD tertile also exhibited increased cIMT but these differences were not statistically significant. No statistically significant differences were identified between residential distance to traffic or DWTD and systemic inflammation indicators (CRP, IL-6. The study results suggest that exposure to urban traffic promotes arterial remodeling in children. This finding is important since even small increases in cIMT over time can potentially lead to earlier progression to atherosclerosis. It is also important because traffic-related pollution is potentially modifiable.

  11. Mannose-Binding Lectin Levels and Carotid Intima-Media Thickness in Type 2 Diabetic Patients

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    Miklós Káplár

    2016-01-01

    Full Text Available Introduction. Mannose-binding lectin (MBL activates complement system and has been suggested to play a role in vascular complications in diabetics. Carotid intima-media thickness (cIMT detects subclinical atherosclerosis. We evaluated the association of MBL and IMT in type 2 diabetic (T2DM patients. Methods. Serum MBL levels and cIMT were measured in a total of 103 diabetics and in 98 age-matched healthy controls. Results. There was no significant difference in MBL level in T2DM versus controls. As expected, IMT was significantly higher in T2DM patients than in controls (P=0.001. In T2DM, the lowest cIMT was seen in patients with normal MBL level (500–1000 while cIMT continuously increased with both high MBL and absolute MBL deficiency states. This was especially significant in high MBL versus normal MBL T2DM patients (P=0.002. According to multiple regression analysis the main predictors of IMT in T2DM are age (P<0.003, ApoA level (P=0.023, and the MBL (P=0.036. Conclusions. Our results suggest a dual role of MBL as a risk factor for cIMT in T2DM. MBL may also be used as a marker of macrovascular disease, as both low and high levels indicate the susceptibility for atherosclerosis in T2DM.

  12. Carotid intima media thickness and arterial stiffness in children with acute rheumatic fever.

    Science.gov (United States)

    Çiftel, Murat; Yılmaz, Osman; Kardelen, Fırat; Kocabaş, Abdullah

    2014-01-01

    Acute rheumatic fever (ARF) and rheumatic heart disease (RHD) constitute important public health problems in developing countries. Inflammation is present both in the early and late stages of the diseases. Chronic inflammation is known to be associated with atherosclerosis. We hypothesize that subclinical atherosclerosis and arterial stiffness may increase due to the ongoing inflammation as well as the increased pulse pressure and left-ventricular systolic dysfunction in RHD. The purpose of the present study was to investigate carotid intima media thickness (CIMT) and carotid artery stiffness in patients with ARF. Forty patients in follow-up due to ARF in the age group of 7-16 years (disease duration 1-10 years) and 36 volunteered subjects with similar body mass index were included in the study. The subjects included in the present study were compared regarding M-mode echocardiographic parameters and CIMT as well as carotid arterial strain (CAS), carotid artery distensibility (CAD), beta stiffness index (βSI), and pressure-strain elasticity modulus (Ep) as carotid artery stiffness parameters. CIMT (0.52 ± 0.08 and 0.48 ± 0.07 mm, p = 0.01), βSI (5.29 ± 2.98 and 3.02 ± 1.30, p < 0.001), and Ep (426.53 ± 210.50 and 254.44 ± 104.69 p < 0.001) were increased, whereas CAS (0.11 ± 0.01 and 0.19 ± 0.09, p < 0.001) and CAD (10.27 ± 4.69 and 17.76 ± 14.41, p < 0.001) were decreased in patients with ARF compared with the control group. There was a positive correlation between pulse pressure and βSI (r = 0.25, p = 0.02) and Ep (r = 0.28, p = 0.01) in addition to a correlation between left atrial dilatation and CIMT (r = 0.55 p < 0.001) in patients with ARF. CIMT and carotid artery stiffness were increased in patients with ARF. Patients with ARF may have an increased risk of subclinical atherosclerosis and cardiovascular events.

  13. Relationship of carotid intima-media thickness and duration of vegetarian diet in Chinese male vegetarians

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    Liu Chang-Qin

    2011-09-01

    Full Text Available Abstract Objective Many studies have shown that vegetarian diet has beneficial effects on the prevention of cardiovascular diseases. However, the effect of vegetarian diet on carotid intima-media thickness (IMT, as well as the association between IMT and duration of vegetarian diet, are still unclear. The present study aims to investigate the influence of duration of vegetarian diet on cardiovascular risk factors, and more importantly on IMT among Chinese vegetarians. Methods One hundred and seventy-one Chinese male vegetarians were screened for metabolic profile, cardiovascular risk and carotid IMT. They were compared with 129 age-matched omnivores recruited from a community-based health project. The effects of confounding factors were adjusted by stepwise logistic regression analysis. Results Compared to the omnivores, the vegetarians had lower BMI, weight, systolic blood pressure and diastolic blood pressure. Also, the levels of triglyceride, total cholesterol, HDL-Cholesterol, LDL-Cholesterol, ApoA1, ApoB, uric acid, albumin and γ-glutamyltransferase were significantly reduced in vegetarians. Omnivores had significantly higher fasting blood glucose than that of vegetarians. However, there were no differences in fasting insulin, C-reactive protein and HOMA-IR between the two groups. IMT was thinner in the vegetarian group than in the omnivore group (0.59 ± 0.16 vs. 0.63 ± 0.10 cm, P 11 years, those in tertile 1 ( Conclusion A decrease in multiple cardiovascular risk factors such as BMI, blood pressure and lipid profile was associated with vegetarian diet. Moreover, taking a low-calorie, low-protein, or vegetarian diet might have great beneficial effects on IMT through improved lipid profile, and the beneficial effects appeared to be correlated with the duration of vegetarian diet.

  14. Chronic Mild Hyperglycemia in GCK-MODY Patients Does Not Increase Carotid Intima-Media Thickness

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    Stepanka Pruhova

    2013-01-01

    Full Text Available Aim. GCK-MODY is an autosomal dominant form of diabetes caused by heterozygous mutations in the glucokinase gene leading to a lifelong mild hyperglycemia. The risk of macrovascular complications is considered low, but studies are limited. We, therefore, investigated the carotid intima-media thickness (CIMT as an indicator of macrovascular complications in a group of patients with GCK-MODY. Methods. Twenty-seven GCK mutation carriers and 24 controls recruited among their first-degree relatives were compared, all aging over 35 years. The CIMT was tested using a high-resolution B-mode carotid ultrasonography. Medical history, anthropometry, and biochemical blood workup were obtained. Results. The mean CIMT was 0.707 ± 0.215 mm (mean ± SD in GCK mutation carriers and 0.690 ± 0.180 mm in control individuals. When adjusted for age, gender, and family status, the estimated mean difference in CIMT between the two groups increased to 0.049 mm (P=0.19. No difference was detected for other characteristics, with the exception of fasting blood glucose (GCK-MODY 7.6 mmol/L ± 1.2 (136.4 mg/dL; controls 5.3 mmol/L ± 0.3 (95.4 mg/dL; P<0.0001 and glycated hemoglobin HbA1c (GCK-MODY 6.9% ± 1.0%, 52 mmol/mol ± 10; controls 5.7% ± 0.4%, 39 mmol/mol ± 3; P<0.0001. The frequency of myocardial infarction and ischemic stroke did not differ between groups. Conclusion. Our data indicate that the persistent hyperglycemia in GCK-MODY is associated with a low risk of developing diabetic macrovascular complications.

  15. Association of mitral annulus calcification, aortic valve calcification with carotid intima media thickness

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    Scuteri Angelo

    2004-10-01

    Full Text Available Abstract Background Mitral annular calcification (MAC and aortic annular calcification (AVC may represent a manifestation of generalized atherosclerosis in the elederly. Alterations in vascular structure, as indexed by the intima media thickness (IMT, are also recognized as independent predictors of adverse cardiovascular outcomes. Aim To examine the relationship between the degree of calcification at mitral and/or aortic valve annulus and large artery structure (thickness. Methods We evaluated 102 consecutive patients who underwent transthoracic echocardiography and carotid artery echoDoppler for various indications; variables measured were: systemic blood pressure (BP, pulse pressure (PP=SBP-DBP, body mass index (BMI, fasting glucose, total, HDL, LDL chlolesterol, triglycerides, cIMT. The patients were divided according to a grading of valvular/annular lesions independent scores based on acoustic densitometry: 1 = annular/valvular sclerosis/calcification absence; 2 = annular/valvular sclerosis; 3 = annular calcification; 4 = annular-valvular calcification; 5 = valvular calcification with no recognition of the leaflets. Results Patient score was the highest observed for either valvular/annulus. Mean cIMT increased linearly with increasing valvular calcification score, ranging from 3.9 ± 0.48 mm in controls to 12.9 ± 1.8 mm in those subjects scored 5 (p 0.0001. Conclusion MAC and AVC score can identify subgroups of patients with different cIMT values which indicate different incidence and prevalence of systemic artery diseases. This data may confirm MAC-AVC as a useful important diagnostic parameter of systemic atherosclerotic disease.

  16. Clustering of cardiovascular risk factors and carotid intima-media thickness: The USE-IMT study

    Science.gov (United States)

    Wang, Xin; den Ruijter, Hester M.; Anderson, Todd J.; Britton, Annie R.; Dekker, Jacqueline; Engström, Gunnar; Evans, Greg W.; de Graaf, Jacqueline; Grobbee, Diederick E.; Hedblad, Bo; Holewijn, Suzanne; Ikeda, Ai; Kauhanen, Jussi; Kitagawa, Kazuo; Kitamura, Akihiko; Kurl, Sudhir; Lonn, Eva M.; Lorenz, Matthias W.; Mathiesen, Ellisiv B.; Nijpels, Giel; Okazaki, Shuhei; Polak, Joseph F.; Price, Jacqueline F.; Rembold, Christopher M.; Rosvall, Maria; Rundek, Tatjana; Salonen, Jukka T.; Sitzer, Matthias; Stehouwer, Coen D. A.; Tuomainen, Tomi-Pekka; Peters, Sanne A. E.; Bots, Michiel L.

    2017-01-01

    Background The relation of a single risk factor with atherosclerosis is established. Clinically we know of risk factor clustering within individuals. Yet, studies into the magnitude of the relation of risk factor clusters with atherosclerosis are limited. Here, we assessed that relation. Methods Individual participant data from 14 cohorts, involving 59,025 individuals were used in this cross-sectional analysis. We made 15 clusters of four risk factors (current smoking, overweight, elevated blood pressure, elevated total cholesterol). Multilevel age and sex adjusted linear regression models were applied to estimate mean differences in common carotid intima-media thickness (CIMT) between clusters using those without any of the four risk factors as reference group. Results Compared to the reference, those with 1, 2, 3 or 4 risk factors had a significantly higher common CIMT: mean difference of 0.026 mm, 0.052 mm, 0.074 mm and 0.114 mm, respectively. These findings were the same in men and in women, and across ethnic groups. Within each risk factor cluster (1, 2, 3 risk factors), groups with elevated blood pressure had the largest CIMT and those with elevated cholesterol the lowest CIMT, a pattern similar for men and women. Conclusion Clusters of risk factors relate to increased common CIMT in a graded manner, similar in men, women and across race-ethnic groups. Some clusters seemed more atherogenic than others. Our findings support the notion that cardiovascular prevention should focus on sets of risk factors rather than individual levels alone, but may prioritize within clusters. PMID:28323823

  17. Carotid Intima Media Thickness in the Astronaut Corps: Association to Spacecraft

    Science.gov (United States)

    Suffredini, John; Locke, James; Johnston, Smith; Charvat, Jacqueline; Young, Millennia; Garcia, Kathleen; Sargsyan, Ashot E.; Tarver, William

    2017-01-01

    Background: Carotid Intima Media Thickness (CIMT) has been demonstrated to be predictive of future cardiovascular events. Within various populations, radiation exposure, stress, and physical confinement have all been linked to an increased CIMT. Recent research discovered CIMT was significantly increased in ten long duration astronauts from pre-flight to four days post flight. The relationship between spaceflight and CIMT is not understood and trends in CIMT within the larger astronaut population are unknown. Methods: In 2010, CIMT was offered as part of the astronaut annual exam at the JSC Flight Medicine Clinic using a standardized CIMT screening protocol and professional sonographers. Between 2010 and 2016, CIMT measurements were collected on 213 NASA astronauts and payload specialists. The values used in this retrospective chart review are the mean of the CIMT from the right and left. Spaceflight exposure was categorized based on the total number of days spent in space at the time of the ground-based ultrasound (0, 1-29, 30-100, 101-200, =200). Linear regression with generalized estimating equations were used to estimate the association between spaceflight exposures and CIMT. Results: 530 studies were completed among 213 astronauts with a mean of 2.5 studies (range 1-6) per astronaut over the six year period. As in other populations, CIMT was significantly associated with age; however, gender was not. While there was no significant direct correlation between total spaceflight exposure and CIMT found, astronauts with 30-100 spaceflight days and astronauts with greater than 100 spaceflight days had significantly increased CIMT over astronauts who had never flown (p=0.002 and p=<0.0001 respectively) after adjustment for age. Conclusion: Further work is needed to fully understand CIMT and its association to spaceflight. Current occupational surveillance activities are under way to study CIMT values in conjunction with other cardiovascular risk factors among

  18. Bariatric surgery decreases carotid intima-media thickness in obese subjects

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    Gonzalo García

    2013-08-01

    Full Text Available Background: Obesity has long been associated with an increased risk of cardiovascular disease (CVD. The aim of this study was to evaluate the impact of substantial weight loss induced by bariatric surgery on carotid intima media thickness (C-IMT (surrogate marker of early atherosclerosis and classic factors of cardiovascular risk (CVRFs. Methods: thirty-one obesity patients were evaluated for bariatric surgery. Twenty-seven were undergone surgery, 14 Roux-en-Y gastric bypass surgery (GBS and 13 sleeve gastrectomy. The four obese patients who did not undergo surgery, were performed the same evaluations. Measurements: Body weight, BMI, blood pressure, total cholesterol, TC levels, LDL-C, HDL-C, TG, fasting plasma glucose and insulin, HOMA IR, and US B-mode C-IMT was measured. Results: After 354 ± 92 days follow up, 27 patients that underwent bariatric surgery evidenced a mean body mass index decrease from 38 to 27 k/m² (p < 0.001, simultaneously was observed improvement in CVRFs, 10 years Framingham risk and a significant reduction of therapeutic requirements. C-IMT diminished from a mean of 0.58 ± 0.14 mm to 0.49 ± 0.09 mm (p = 0.0001. Four patients that did not undergo surgery increased C-IMT from 0.52 ± 0.12 to 0.58 ± 0.13 mm (p = 0.03 with no significant changes in CVRFs. Conclusion: Weight loss, one year after bariatric surgery, GBS and sleeve gastrectomy, decreases C-IMT; improve CVRFs and 10 years Framingham risk.

  19. Factors associated with gender difference in the intima-media thickness of the common carotid artery

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    Tan, T.-Y.; Lu, C.-H.; Lin, T.-K.; Liou, C.-W. [Department of Neurology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan (China); Chuang, Y.-C., E-mail: tengyeowtan@yahoo.co [Department of Neurology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan (China); Schminke, U. [Department of Neurology, Ernst Moritz Arndt University, Greifswald (Germany)

    2009-11-15

    Aim: To investigate the gender differences associated with a thinner intima-media thickness (IMT) of the common carotid artery (CCA) in women. Materials and methods: In a sample of 218 consecutive healthy volunteers comprising 110 men and 108 women, the IMT of the CCA was measured using B-mode ultrasonography. Blood pressure, fasting blood sugar, body mass index (BMI), blood lipid profile, homocysteine, folic acid, uric acid, high sensitive C-reactive protein, and thiobarbituric acid reactive substances (TBARS) levels were measured and compared with each other in both genders. Results: The IMT of the CCA was significantly thinner in women than in men (p = 0.012). Blood pressure, fasting plasma glucose, BMI, low-density lipoprotein cholesterol, triglycerides, homocysteine, uric acid, and TBARS were significantly (p < 0.05) lower, folic acid and high-density lipoprotein cholesterol (HDL-C) were significantly (p < 0.0001) higher in women compared with men. Multivariable logistic regression analysis revealed that higher serum levels of homocysteine, uric acid, and TBARS, and lower serum levels of HDL-C were significantly (p < 0.05) associated with male sex. Multiple linear regression analysis further revealed that age, sex, and BMI were independently associated with CCA IMT. Conclusions: The IMT of the CCA was thinner in women than in men. Traditional vascular risk factors explain only a small amount of variance in multivariate regression models supporting the hypothesis that other behavioural, sex hormone-related or genetic factors, which have not been sufficiently explored so far, may play a role in the gender differences of IMT.

  20. Posttraumatic stress disorder, combat exposure, and carotid intima-media thickness in male twins.

    Science.gov (United States)

    Goetz, Margarethe; Shah, Amit; Goldberg, Jack; Cheema, Faiz; Shallenberger, Lucy; Murrah, Nancy V; Bremner, J Douglas; Vaccarino, Viola

    2014-11-15

    Posttraumatic stress disorder (PTSD) is associated with an increased risk of ischemic heart disease, though the pathophysiologic mechanisms remain unclear. Carotid artery intima-media thickness (CIMT) is a measure of subclinical atherosclerosis. We examined whether PTSD and combat exposure were associated with CIMT in Vietnam War-era twins after controlling for shared genetic and childhood factors. Between 2002 and 2010, we studied 465 middle-aged twins from the Vietnam Era Twin Registry who were free from cardiovascular disease. PTSD was diagnosed using the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, and CIMT was measured by ultrasound. Mixed-effects regression models were used to examine individual, between-pair, and within-pair associations. Approximately 13% of participants met the criteria for PTSD, and 45% served in the Vietnam Theater. PTSD was associated with 32.7 μm higher CIMT (95% confidence interval (CI): 0.9, 64.5) after adjustment for confounders. The average CIMT for the pair increased by 59.7 μm for each additional twin with PTSD (95% CI: 15.9, 104.2). We found no significant within-pair differences in CIMT when comparing PTSD-discordant co-twins. Results for combat exposure were similar, but its association with CIMT weakened after adjustment for PTSD (95% CI: 7.0, 45.3). Among Vietnam War-era veterans, combat exposure and PTSD are associated with CIMT, though the associations are largely mediated by shared childhood factors.

  1. Arsenic exposure from drinking water, arsenic methylation capacity, and carotid intima-media thickness in Bangladesh.

    Science.gov (United States)

    Chen, Yu; Wu, Fen; Graziano, Joseph H; Parvez, Faruque; Liu, Mengling; Paul, Rina Rani; Shaheen, Ishrat; Sarwar, Golam; Ahmed, Alauddin; Islam, Tariqul; Slavkovich, Vesna; Rundek, Tatjana; Demmer, Ryan T; Desvarieux, Moise; Ahsan, Habibul

    2013-08-01

    We conducted a cross-sectional study to evaluate the interrelationships between past arsenic exposure, biomarkers specific for susceptibility to arsenic exposure, and carotid intima-media thickness (cIMT) in 959 subjects from the Health Effects of Arsenic Longitudinal Study in Bangladesh. We measured cIMT levels on average 7.2 years after baseline during 2010-2011. Arsenic exposure was measured in well water at baseline and in urine samples collected at baseline and during follow-up. Every 1-standard-deviation increase in urinary arsenic (357.9 µg/g creatinine) and well-water arsenic (102.0 µg/L) concentration was related to a 11.7-µm (95% confidence interval (CI): 1.8, 21.6) and 5.1-µm (95% CI: -0.2, 10.3) increase in cIMT, respectively. For every 10% increase in monomethylarsonic acid (MMA) percentage, there was an increase of 12.1 µm (95% CI: 0.4, 23.8) in cIMT. Among participants with a higher urinary MMA percentage, a higher ratio of urinary MMA to inorganic arsenic, and a lower ratio of dimethylarsinic acid to MMA, the association between well-water arsenic and cIMT was stronger. The findings indicate an effect of past long-term arsenic exposure on cIMT, which may be potentiated by suboptimal or incomplete arsenic methylation capacity. Future prospective studies are needed to confirm the association between arsenic methylation capacity and atherosclerosis-related outcomes.

  2. Value of ultrasonic measurement of carotid intima-media thickness and arterial elasticity for assessment of coronary heart disease severity

    Institute of Scientific and Technical Information of China (English)

    Hou-Qiang Lin; Ping-An Qian

    2016-01-01

    Objective:To study the value of ultrasonic measurement of carotid intima-media thickness and arterial elasticity for assessment of coronary heart disease severity.Methods:Patients with coronary heart disease angina were selected as CHD group, healthy subjects were selected as control group, carotid artery ultrasonography was conducted to determine carotid intima-media thickness (IMT), and serum was collected to determine serum content of lipid metabolism indexes, adhesion molecules and chemokines.Results:Carotid IMT of CHD group was significantly higher than that of control group and the carotid IMT of patients with multi-vessel disease in CHD group was significantly higher than that of patients with single-vessel disease; LDL, ox-LDL, ApoB, PCSK9, RANTES, FKN, MCP-1, CCL21, CXCL16, ICAM-1, VCAM-1, LFA-1, P-selectin and E-selectin content in serum of patients with thickened carotid IMT and carotid plaque in CHD group were significantly higher than those of patients with normal carotid IMT, and LDL, ox-LDL, ApoB, PCSK9, RANTES, FKN, MCP-1, CCL21, CXCL16, ICAM-1, VCAM-1, LFA-1, P-selectin and E-selectin content in serum of patients with carotid IMT plaque in CHD group were significantly higher than those of patients with thickened carotid IMT.Conclusions: Ultrasonic measurement of carotid IMT and arterial elasticity can provide the basis for assessment of coronary heart disease severity, and the carotid IMT and arterial elasticity are closely related to the abnormal lipid metabolism as well as the changes in the content of adhesion molecules and chemokines.

  3. The Short-Term Effect of Ketogenic Diet on Carotid Intima-Media Thickness and Elastic Properties of the Carotid Artery and the Aorta in Epileptic Children.

    Science.gov (United States)

    Doksöz, Önder; Güzel, Orkide; Yılmaz, Ünsal; İşgüder, Rana; Çeleğen, Kübra; Meşe, Timur; Uysal, Utku

    2015-10-01

    The aim of this prospective study is to investigate the effect of a 6-month-long ketogenic diet on carotid intima-media thickness, carotid artery, and aortic vascular functions. Thirty-eight drug-resistant epileptic patients who were being treated with ketogenic diet were enrolled. Fasting total cholesterol, high-density lipoprotein, low-density lipoprotein, triglycerides, total cholesterol, and glucose concentrations were measured and echocardiography was performed in all patients before the beginning of ketogenic diet and at the sixth month of treatment. The body weight, height, body mass index, serum levels of triglyceride, total cholesterol, and low-density lipoprotein increased significantly at month 6 when compared to baseline values (P ketogenic diet has no effect on carotid intima-media thickness and elastic properties of the carotid artery and the aorta.

  4. Study of the Relationship between Carotid Intima-media Thickness and Traditional Chinese Medicine Syndrome of Dyslipidemia

    Institute of Scientific and Technical Information of China (English)

    雷燕; 王振华; 赵浩; 刘剑刚

    2009-01-01

    Objective:The study aimed to explore the relationship between the carotid intima-media thickness (IMT),lipids,high-sensitivity C-reactive protein(hs-CRP),homocysteine(Hcy) and other indices of laboratory and the traditional Chinese medicine(TCM) syndrome of dyslipidemia.Methods:A total of 152 dyslipidemia patients and 8 healthy people(taken as the control group) were recruited.According to the theory of the TCM syndrome,152 dyslipidemia patients were assigned to 4 groups:the stagnation of phlegm(SP) grou...

  5. Functional Analysis of a Carotid Intima-Media Thickness Locus Implicates BCAR1 and Suggests a Causal Variant

    DEFF Research Database (Denmark)

    Boardman-Pretty, Freya; Smith, Andrew J. P.; Cooper, Jackie

    2015-01-01

    Carotid intima-media thickness (IMT) is a marker of subclinical atherosclerosis that can predict cardiovascular disease events over traditional risk factors. This study examined the BCAR1-CFDP1-TMEM170A locus on chromosome 16, associated with carotid IMT and coronary artery disease in the IMT...... associations of rs4888378 with BCAR1 in vascular tissues. Molecular studies suggest the lead SNP as a potentially causal SNP at the BCAR1-CFDP1-TMEM170A locus, and expression quantitative trait loci studies implicate BCAR1 as the causal gene. This variant showed stronger effects on common carotid IMT in women......, raising questions about the mechanism of the causal SNP on atherosclerosis....

  6. Association Between IL-18 and Carotid Intima-Media Thickness in Patients with Type II Diabetic Nephropathy

    Science.gov (United States)

    Zhang, Yuanyuan; Feng, Haomiao; Wei, Zhiyong

    2017-01-01

    Background We specifically designed this study to determine the relationship between levels of IL-8 and carotid intima-media thickness (cIMT) in patients with type 2 diabetes mellitus (T2DM). Material/Methods A total of 149 diabetic patients at different stages of diabetic nephropathy and 72 matched controls were recruited in this study. A wide range of parameters were measured: IL-18 (by ELISA), urinary albumin excretion rates (UAER), and carotid intima-media thickness (cIMT, by pulse wave velocity [PWV]). All the diabetic patients were treated by alprostadil. Results ELISA indicated that the level of IL-18 in the patient group was significantly higher compared with that in the control group. The level of IL-18 apparently increased in the higher cIMT group in T2DM patients. Serum IL-18 levels were positively correlated with cIMT in patients with T2DM, the level of IL-18 was negatively correlated with cIMT, and IL-18 levels were positively correlated to age. Moreover, IMT was positively correlated with hemoglobin A1C (HbA1C) and IL-18 levels were significantly associated with cIMT (all P<0.05). Conclusions IL-18 levels were positively correlated with atherosclerotic burden in patients with T2DM and it may be considered as a significant therapeutic target. PMID:28125566

  7. Carotid intima-media thickness is reduced 12 months after gastric bypass surgery in obese patients with type 2 diabetes or impaired glucose tolerance

    DEFF Research Database (Denmark)

    Lundby-Christensen, Louise; Tarnow, Lise; Hansen, Dorte L

    2014-01-01

    AIM: To investigate whether Roux-en-Y gastric bypass surgery (RYGB) - an in vivo model for normalisation of hyperglycaemia - improves carotid intima-media thickness (IMT) in patients with type 2 diabetes (T2D)/impaired glucose tolerance (IGT) and normal glucose tolerance (NGT). METHODS: Observati......AIM: To investigate whether Roux-en-Y gastric bypass surgery (RYGB) - an in vivo model for normalisation of hyperglycaemia - improves carotid intima-media thickness (IMT) in patients with type 2 diabetes (T2D)/impaired glucose tolerance (IGT) and normal glucose tolerance (NGT). METHODS...

  8. Validation of the Carotid Intima-Media Thickness Variability: Can Manual Segmentations Be Trusted as Ground Truth?

    Science.gov (United States)

    Meiburger, Kristen M; Molinari, Filippo; Wong, Justin; Aguilar, Luis; Gallo, Diego; Steinman, David A; Morbiducci, Umberto

    2016-07-01

    The common carotid artery intima-media thickness (IMT) is widely accepted and used as an indicator of atherosclerosis. Recent studies, however, have found that the irregularity of the IMT along the carotid artery wall has a stronger correlation with atherosclerosis than the IMT itself. We set out to validate IMT variability (IMTV), a parameter defined to assess IMT irregularities along the wall. In particular, we analyzed whether or not manual segmentations of the lumen-intima and media-adventitia can be considered reliable in calculation of the IMTV parameter. To do this, we used a total of 60 simulated ultrasound images with a priori IMT and IMTV values. The images, simulated using the Fast And Mechanistic Ultrasound Simulation software, presented five different morphologies, four nominal IMT values and three different levels of variability along the carotid artery wall (no variability, small variability and large variability). Three experts traced the lumen-intima (LI) and media-adventitia (MA) profiles, and two automated algorithms were employed to obtain the LI and MA profiles. One expert also re-traced the LI and MA profiles to test intra-reader variability. The average IMTV measurements of the profiles used to simulate the longitudinal B-mode images were 0.002 ± 0.002, 0.149 ± 0.035 and 0.286 ± 0.068 mm for the cases of no variability, small variability and large variability, respectively. The IMTV measurements of one of the automated algorithms were statistically similar (p > 0.05, Wilcoxon signed rank) when considering small and large variability, but non-significant when considering no variability (p truth. On the other hand, our automated algorithm was found to be more reliable, indicating how automated techniques could therefore foster analysis of the carotid artery intima-media thickness irregularity.

  9. Dialysis methods may affect carotid intima-media thickness in Chinese end-stage renal disease patients.

    Science.gov (United States)

    Shi, Zhanqin; Zhu, Ming; Guan, Jianming; Chen, Jianghua; He, Qiang; Zhang, Xiaohui; Zhu, Shaoming; Song, Xuequan; Wang, Xiaoyi; Jiang, Zhiqiang

    2012-01-01

    Atherosclerosis is the most common cause of cardiovascular morbidity in end-stage renal disease (ESRD) patients and carotid intima-media thickness (IMT) is an early independent predictor of atherosclerosis. The aim of this study is to compare the continuous ambulatory peritoneal dialysis (CAPD) and the maintenance hemodialysis (MHD) for carotid IMT in Chinese ESRD patients. A total of 72 CAPD patients, 92 MHD patients, and 50 age- and sex-matched healthy controls were included. Dialysis patients were divided into five subgroups according to dialysis duration: 3-6, 7-12, 13-59, 60-119, and 120-179 months. Carotid IMT and carotid plaques were detected for each patient. The carotid IMT and total plaque detection rate in the CAPD and MHD groups were considerably higher than in the healthy control group (p  0.05). However, after stratification by dialysis duration, the total carotid IMT in the CAPD subgroup was higher than in the MHD subgroup in dialysis duration of 60-119 and 120-179 months (p  0.05). Our study showed that both CAPD and MHD affect carotid IMT in Chinese ESRD patients, and the degree of atherosclerosis in CAPD patients might be higher than that in MHD patients after 5 years of dialysis.

  10. Association Between Macrominerals Intake and Changes in Internal Carotid Artery-Intima Media Thickness in POST Ischemic Stroke Patients

    Science.gov (United States)

    Pudjonarko, Dwi; Tugasworo, Dodik; Silaen, Rumintang

    2017-02-01

    Carotid Intima Media Thickness (C-IMT) has been widely used as marker for atherosclerosis. Previous studies on minerals intake and its association with C-IMT revealed various. Most of the studies showed inconsistent results. The aim of this study is to determine wether macro minerals intake is related to internal carotid-intima media thickness (IC-IMT). This is a longitudinal study, pre test post test design conducted in Neurology clinic, Kariadi hospital, Semarang from June to December 2014. Subjects were 22 post ischemic stroke patients. Minerals intake and IC-IMT was measured using Food Frequency Questionnaire and Duplex Carotid Ultrasonography. Statistical analysis was performed using Chi-Square, Fisher Exact and Logistic Regression test. Subjects included in this study were 17 male subjects (77.3%) and 5 female subjects (22.7%). Mean of IC-IMT in female subjects was found to be higher than in male. Mean of total IC-IMT was increased after a period of six months (0.96±0.80 to 0.97±0.21 mm). There were significant association between calcium as well as sodium intakes and IC-IMT. In contrast, there were no association between magnesium as well as potassium intake and IC-IMT. Multivariate analysis suggest that sodium intake (OR=26.828) was the most influencing factor for IC-IMT, followed by calcium intake (OR=0.042). Calcium as well as potassium intake were independently associated with IC-IMT. Magnecium as well as sodium intake were not independently associated with IC-IMT changes. Sodium intake was the most influencing variable to IC-IMT changes, followed by calcium intake.

  11. Lower carotid intima media thickness is predicted by higher serum bilirubin in both non-diabetic and Type 2 diabetic subjects

    NARCIS (Netherlands)

    Dullaart, Robin P. F.; Kappelle, Paul J.W.H.; de Vries, Rindert

    2012-01-01

    Background: Higher serum bilirubin levels may be implicated cardiovascular protection. It is unknown whether the impact of serum bilirubin on carotid artery intima media thickness (IMT), a marker of subclinical atherosclerosis, is different in diabetic subjects compared to non-diabetic subjects. We

  12. Identification of the BCAR1-CFDP1-TMEM170A Locus as a Determinant of Carotid Intima-Media Thickness and Coronary Artery Disease Risk

    NARCIS (Netherlands)

    Gertow, Karl; Sennblad, Bengt; Strawbridge, Rona J.; Oehrvik, John; Zabaneh, Delilah; Shah, Sonia; Veglia, Fabrizio; Fava, Cristiano; Kavousi, Maryam; McLachlan, Stela; Kivimaeki, Mika; Bolton, Jennifer L.; Folkersen, Lasse; Gigante, Bruna; Leander, Karin; Vikstrom, Max; Larsson, Malin; Silveira, Angela; Deanfield, John; Voight, Benjamin F.; Fontanillas, Pierre; Sabater-Lleal, Maria; Colombo, Gualtiero I.; Kumari, Meena; Langenberg, Claudia; Wareham, Nick J.; Uitterlinden, Andre G.; Gabrielsen, Anders; Hedin, Ulf; Franco-Cereceda, Anders; Nyyssonen, Kristiina; Rauramaa, Rainer; Tuomainen, Tomi-Pekka; Savonen, Kai; Smit, Andries J.; Giral, Philippe; Mannarino, Elmo; Robertson, Christine M.; Talmud, Philippa J.; Hedblad, Bo; Hofman, Albert; Erdmann, Jeanette; Reilly, Muredach P.; O'Donnell, Christopher J.; Farrall, Martin; Clarke, Robert; Franzosi, Maria Grazia; Seedorf, Udo; Syvanen, Ann-Christine; Hansson, Goran K.; Eriksson, Per; Samani, Nilesh J.; Watkins, Hugh; Price, Jacqueline F.; Hingorani, Aroon D.; Melander, Olle; Witteman, Jacqueline C. M.; Baldassarre, Damiano; Tremoli, Elena; de Faire, Ulf; Humphries, Steve E.; Hamsten, Anders

    2012-01-01

    Background-Carotid intima-media thickness (cIMT) is a widely accepted marker of subclinical atherosclerosis. To date, large-scale investigations of genetic determinants of cIMT are sparse. Methods and Results-To identify cIMT-associated genes and genetic variants, a discovery analysis using the Illu

  13. Meta-analysis of genome-wide association studies from the CHARGE consortium identifies common variants associated with carotid intima media thickness and plaque

    NARCIS (Netherlands)

    J.C. Bis (Joshua); M. Kavousi (Maryam); N. Franceschini (Nora); A.J. Isaacs (Aaron); G.R. Abecasis (Gonçalo); U. Schminke (Ulf); W.S. Post (Wendy S.); A.V. Smith (Albert Vernon); L.A. Cupples (Adrienne); H.S. Markus (Hugh S.); R. Schmidt (Reinhold); J.E. Huffman (Jennifer); T. Lehtimäki (Terho); J. Baumert (Jens); T. Münzel (Thomas); S.R. Heckbert (Susan); A. Dehghan (Abbas); K.E. North (Kari); B.A. Oostra (Ben); S. Bevan (Steve); E.M. Stoegerer (Eva Maria); C. Hayward (Caroline); O. Raitakari (Olli); C. Meisinger (Christa); A. Schillert (Arne); S. Sanna (Serena); H. Völzke (Henry); Y.C. Cheng (Yu Ching); B. Thorsson (Bolli); C.S. Fox (Caroline); K. Rice (Kenneth); F. Rivadeneira Ramirez (Fernando); V. Nambi (Vijay); E. Halperin (Eran); K. Petrovic (Katja); L. Peltonen (Leena Johanna); H.E. Wichmann (Heinz Erich); R.B. Schnabel (Renate); M. Dörr (Marcus); A. Parsa (Afshin); T. Aspelund (Thor); S. Demissie (Serkalem); S. Kathiresan (Sekar); M.P. Reilly (Muredach); K.D. Taylor (Kent); A.G. Uitterlinden (André); D.J. Couper (David); M. Sitzer (Matthias); M. Kähönen (Mika); T. Illig (Thomas); P.S. Wild (Philipp); M. Orrù (Marco); J. Lüdemann (Jan); A.R. Shuldiner (Alan); G. Eiriksdottir (Gudny); C.C. White (Charles); J.I. Rotter (Jerome); A. Hofman (Albert); J. Seissler (Jochen); T. Zeller (Tanja); G. Usala; F.D.J. Ernst (Florian); L.J. Launer (Lenore); R.B. D'Agostino (Ralph); D.H. O'Leary (Daniel H.); C. Ballantyne (Christie); J.P. Thiery (Joachim); A. Ziegler (Andreas); E. Lakatta (Edward); R.K. Chilukoti (Ravi Kumar); T.B. Harris (Tamara); P.A. Wolf (Philip); B.M. Psaty (Bruce); J.F. Polak (Joseph F.); X. Li (Xiaohui); W. Rathmann (Wolfgang); M. Uda (Manuela); E.A. Boerwinkle (Eric); N. Klopp (Norman); J.F. Wilson (James); J. Viikari (Jorma); W. Koenig (Wolfgang); S. Blankenberg (Stefan); A.B. Newman (Anne); J.C.M. Witteman (Jacqueline); G. Heiss (Gerardo); C.M. van Duijn (Cock); A. Scuteri (Angelo); G. Homuth (Georg); B.D. Mitchell (Braxton); V. Gudnason (Vilmundur); C.J. O'Donnell (Christopher)

    2011-01-01

    textabstractCarotid intima media thickness (cIMT) and plaque determined by ultrasonography are established measures of subclinical atherosclerosis that each predicts future cardiovascular disease events. We conducted a meta-analysis of genome-wide association data in 31,211 participants of European

  14. Depressive symptoms and carotid intima-media thickness in South American Hispanics: results from the PREVENCION study.

    Science.gov (United States)

    Chirinos, Diana A; Medina-Lezama, Josefina; Salinas-Najarro, Belissa; Arguelles, William; Llabre, Maria M; Schneiderman, Neil; Paz-Manrique, Roberto; Bolanos, Juan F; Khan, Zubair; Chirinos, Julio A

    2015-04-01

    This study aimed to: (1) examine the relationship between depressive symptoms and subclinical atherosclerosis, measured by carotid intima-media thickness (IMT); and, (2) Determine the moderating effect of gender in this relationship among South American Hispanics. We studied 496 adults enrolled in the population-based PREVENCION study. Carotid IMT was measured with high-resolution ultrasonography. Depressive symptoms were assessed using the Hospital Anxiety and Depression Scale. Mean carotid IMT was 0.66 mm. (SD = 0.17) and mean depression score was 5.6 (SD = 3.5). Depressive symptoms were not associated with carotid IMT (β = 0.04, p = 0.222) in multivariate analyses. A significant moderating effect of gender was found (β for interaction = 0.10, p = 0.030), resulting from a significant association between depressive symptoms and carotid IMT in men but not women. Depressive symptoms were associated with subclinical atherosclerosis in South American Hispanic men but not women after controlling for demographic characteristics and traditional cardiovascular risk factors.

  15. Associations of carotid intima-media thickness, tobacco smoking and overweight with hearing disorder in a general population sample.

    Science.gov (United States)

    John, U; Baumeister, S E; Kessler, C; Völzke, H

    2007-11-01

    It has been argued that smoking or overweight might contribute to hearing disorder by atherogenic narrowing of the nutrient arteries to the cochlea. The carotid intima-media thickness (CIMT) is a surrogate marker for generalized atherosclerosis. We analyzed a subgroup (n=2619) from a general population sample in north-eastern Germany aged 45-81 years (Study of Health in Pomerania, SHIP). Assessments included self-statements about hearing disorder and medical examinations of CIMT. Using ordinal logistic regression for data analysis and after adjustment for cigarettes per day, waist circumference, diabetes, exposure to noise, age and sex, we found CIMT remained a predictor of hearing disorder (odds ratio 1.8, 95% confidence interval 1.0-3.2). Cigarettes per day and waist circumference were related to CIMT but not to hearing disorder. The findings suggest a positive association between CIMT and hearing disorder.

  16. The Relationship between the 24 h Blood Pressure Variability and Carotid Intima-Media Thickness: A Compared Study

    Directory of Open Access Journals (Sweden)

    Huahua Xiong

    2014-01-01

    Full Text Available Large blood pressure variability (BPV will not only harm the target organ but also increase the possibility of the cardiovascular events. Since the damage of vascular system always leads to the alteration of the carotid wall, the structure and function of the carotid artery have been extensively examined in previous studies. In this work we conduct a study (60 subjects, aged 33–79 to evaluate the relationship between BPV and carotid intima-media thickness (IMT in Shenzhen, which is one large city in the southern area of China. In our study, the blood pressure (BP was collected using the 24 h ambulatory BP monitoring, and the BPV was evaluated using standard deviation (SD, coefficient of variation (CV, and average real variability (ARV during 24 h, daytime and nighttime. All the IMT measurements are collected by ultrasound. The results show that both the daytime, and 24 h systolic BPV evaluated by three indices are positively associated with IMT. Among them, daytime systolic BPV evaluated with ARV is the best variable to represent the increasing of carotid IMT. In addition, after adjusting by age, sex, smoking, hypertension, and mean BP and PP values, 24 h diastolic BPV evaluated with SD also presents the favorable performance.

  17. CAROTID INTIMA-MEDIA THICKNESS AND THE ASSOCIATION WITH CARDIOVASCULAR RISK FACTORS IN THE ELDERLY

    Institute of Scientific and Technical Information of China (English)

    叶平; 王节; 尚延忠; 朱平

    2001-01-01

    Objective. To investigate the association of carotid arterial intima media thickness (IMT) with principal cardiovascular risk factors in the elderly. Methods. Carotid arterial IMT was measured by high resolution B mode ultrasound in 94 elderly subjects (old aged group), and compared with subjects aged < 60 (middle-aged group). Results. In comparison with the middle-aged group, the prevalence of coronary heart disease, cerebral vascular disease, hypertension and diabetes mellitus was significantly higher, and serum cholesterol and systolic blood pressure were also significantly higher in old aged group. Although there was no obvious difference in IMT between the two groups, carotid plaque and carotid wall thickening were more frequently found in old aged group. Age, systolic blood pressure and serum cholesterol were shown as the independent determinants for carotid IMT in the total participants, whereas no such independent relation was found in old-aged group. Conclusion. Age is the major risk factor for carotid atherosclerosis in the elderly. In other words, the occurrence of carotid atherosclerosis is the result of advancing age combined with the effect of multiple cardiovascular risk factors.

  18. Associations of cardiovascular risk factors, carotid intima-media thickness and manifest atherosclerotic vascular disease with carpal tunnel syndrome

    Directory of Open Access Journals (Sweden)

    Liira Helena

    2011-04-01

    Full Text Available Abstract Background The role of atherosclerosis in carpal tunnel syndrome (CTS has not previously been addressed in population studies. The aim of this study was to investigate the associations of cardiovascular risk factors, carotid artery intima-media thickness (IMT, and clinical atherosclerotic diseases with CTS. Methods In this cross sectional study, the target population consisted of subjects aged 30 or over who had participated in the national Finnish Health Survey in 2000-2001. Of the 7977 eligible subjects, 6254 (78.4% were included in our study. Carotid IMT was measured in a sub-sample of subjects aged 45 to 74 (N = 1353. Results Obesity (adjusted odds ratio (OR 2.4, 95% confidence interval (CI 1.1-5.4, high LDL cholesterol (OR 3.8, 95% CI 1.6-9.1 for >190 vs. 200 vs. Conclusions Our findings suggest an association between CTS and cardiovascular risk factors in young people, and carotid IMT and clinical atherosclerotic vascular disease in older people. CTS may either be a manifestation of atherosclerosis, or both conditions may share similar risk factors.

  19. Correlation between coronary artery disease severity, left ventricular mass index and carotid intima media thickness, assessed by radio-frequency

    Directory of Open Access Journals (Sweden)

    Ciccone Marco M

    2011-11-01

    Full Text Available Abstract Background Intima-media thickness of the common carotid artery (CCA-IMT is a validated marker of systemic atherosclerosis process. The aim of this study was to evaluate the association between coronary artery disease (CAD, left ventricular hypertrophy (LVH and CCA-IMT, assessed by Radio Frequency-Quality Intima Media Thickness (RFQIMT method, the next generation of IMT real-time measurement, based on the direct analysis of the radiofrequency signal and endowed with high accuracy and reproducibility in early detection of arterial wall thickness. Methods 115 patients (76 men, mean age: 65.1 ± 12 years referred to our department and shown significant (≥ 70% luminal obstruction stenosis at least in one major epicardial coronary artery were studied. Coronary angiograms were divided for severity and extent of the disease: 79 patients (69% had one, 24 patients (21% two, 12 patients (10% three major epicardial coronary arteries with ≥ 70% stenosis. All patients underwent echocardiography and carotid ultrasound examination, assessed by RF. Results Dividing RFQIMT data in tertiles, dyslipidaemia (31 patients with IMT ≥ 1.20 mm vs 16 with IMT = 0.91-1.19 vs 25 with IMT ≤ 0.9, p = 0.004, LVMI (153.5 ± 20.6 g/m2 in IMT ≥ 1.20 mm vs 131.2 ± 8.4 g/m2 in IMT = 0.91-1.19 mm vs 114.3 ± 11.1 g/m2 in IMT ≤ 0.9 mm, P 2 = 0.88, RFQIMT remained significantly associated with the dyslipidemia (regression coefficient ± standard error [SE]: 0.057 ± 0.023; p = 0.017, LVMI (regression coefficient ± SE: 0.01 ± 0.001; P Conclusions RFQIMT is a sophisticated method for carotid ultrasound evaluation. Its evaluation in patients with at least one important major epicardial coronary vessel stenosis would help the accuracy in the general assessment of the number of coronary lesions in these patients.

  20. Relationship between Waist Circumference and Elevation of Carotid Intima-media Thickness in Newly-diagnosed Diabetic Patients

    Institute of Scientific and Technical Information of China (English)

    ZHANG Lei; JIA Wei Ping; SHEN Yun; ZHOU Jian; PAN Jie Min; YU Hao Yong; CHEN Hai Bing; LI Qing; LI Ming; BAO Yu Qian

    2014-01-01

    Objective Waist circumference, as a brief indicator of visceral obesity, is associated with multi-metabolic disorders and cardiovascular diseases. The present study was aimed to find out the relationship between waist circumference and carotid intima media thickness (C-IMT), as well as the best waist circumference cutoff for identifying C-IMT elevation in Chinese male patients with newly-diagnosed diabetes. Methods Five hundred and seventy-eight patients from Department of Endocrinology and Metabolism in Shanghai Sixth People’s Hospital affiliated to Shanghai Jiao Tong University were enrolled. Both physical examination (for measurement of waist circumference) and carotid ultrasonography (for measurement of C-IMT) were performed. Results After grouping according to the quartiles of C-IMT, the waist circumference increased across all its quartiles. The waist circumference in 3rd and 4th quartiles (90.7±9.8 cm and 90.8±9.6 cm) was significant higher than in 1st and 2nd quartiles (P Conclusion Among newly-diagnosed diabetic male patients, waist circumference over 90 cm not only reflects sub-clinical atherosclerosis in early stage, but also predicts the progression of atherosclerosis.

  1. Inverse association of serum vitamin D in relation to carotid intima-media thickness in Chinese postmenopausal women.

    Directory of Open Access Journals (Sweden)

    Yaping Hao

    Full Text Available This study aimed to investigate the relationship between serum vitamin D level and carotid intima-media thickness (C-IMT in Chinese postmenopausal women.Nine hundred and twenty six Chinese postmenopausal women without carotid artery plaque or history of cardiovascular disease were selected for analysis. Measurements of serum 25 hydroxyvitamin D3 (25(OHD3 concentration and C-IMT were made by electrochemiluminescence immunoassay and B-mode ultrasound, respectively. Trend analysis was conducted according to tertiles of C-IMT.The median serum 25(OHD3 level was 11.03 ng/mL, with an interquartile range of 8.22-14.70. A decreasing trend of serum 25(OHD3 level was accompanied by increased C-IMT tertiles (P for trend = 0.001. Correlation analysis found an inverse relationship between serum 25(OHD3 level and C-IMT (r = -0.113, P = 0.001. After adjustment for confounding factors, multiple regression analysis showed that serum 25(OHD3 level independently and negatively associated with C-IMT (Standard β = -0.112, P < 0.001. Moreover, the inverse correlation of serum 25(OHD3 with C-IMT was also found in a subgroup of women with normal glucose tolerance, blood pressure and body mass index, and without undergoing lipid-lowering therapy (standard β = -0.140, P = 0.018.Serum 25(OHD3 level was inversely correlated with C-IMT in Chinese postmenopausal women.

  2. Evaluation of Carotid Arterial Intima-Media Thickness (IMT and Its Relation to Clinical Parameters in Japanese Children

    Directory of Open Access Journals (Sweden)

    Tamura,Hiroko

    2011-02-01

    Full Text Available The aim of this study was to evaluate the carotid arterial intima-media thickness (IMT and its relation to clinical parameters in Japanese children. Fifty-two healthy children (39 boys and 13 girls, aged 6-14 years, were enrolled in this cross-sectional investigation study. IMT of the common carotid artery was determined using ultrasonography. We also investigated anthropometric parameters, blood pressure (BP, lifestyles and blood examinations. The mean value of IMT was 0.4±0.1mm, which was lower than the normal value (1.0mm in adults. IMT was positively correlated with age (r=0.340 and height (r=0.346 in boys, while it was positively correlated with body mass index (BMI (r=0.584 and diastolic BP (DBP (r=0.563 in girls. In addition, IMT was associated with sleeping hours and hours of watching television (TV by using stepwise regression analysis. In conclusion, IMT increased with aging, and it was linked to some clinical parameters of atherosclerosis and lifestyles in children. Therefore, this reference data will be helpful for future assessment of age-related change in Japanese children in clinical practice, and IMT might be a good predictor of atherosclerosis in Japanese children.

  3. Soya isoflavone consumption in relation to carotid intima-media thickness in Chinese equol excretors aged 40-65 years.

    Science.gov (United States)

    Cai, Yun; Guo, Kaiping; Chen, Chaogang; Wang, Ping; Zhang, Bo; Zhou, Quan; Mei, Fang; Su, Yixiang

    2012-11-14

    Previous studies have suggested that the daidzein metabolite equol rather than daidzein itself contributes to the beneficial effect of soya foods in the prevention of CVD. The aim of the present study is to examine the proportion of equol excretion in Chinese adults and compare plasma lipids and carotid artery intima-media thickness (IMT) between equol excretors and non-excretors, and to evaluate the effect of soya isoflavone intakes on serum lipids and IMT in either equol excretors or non-excretors. Subjects (n 572; women n 362, men n 210) were recruited for the present study. An overnight urine sample was provided by each subject on their usual diet to quantify urinary concentrations of daidzein and equol. Far-wall IMT was determined by B-mode ultrasound in the right carotid at two sites, carotid bulb (CB-IMT) and common carotid artery (CCA-IMT), and fasting serum lipids were measured. Habitual dietary intakes were estimated with a FFQ, and soya isoflavone intake derived from the FFQ was assessed. Of the 572 subjects, the proportion of equol excretors on their usual diet was 25·0 % (n 143). Compared with non-excretors, equol excretors showed significantly lower serum TAG (-38·2 (95 % CI -70·4, -5·9) %, P = 0·012) and CCA-IMT (-4·9 (95 % CI -9·7, -0·3) %, P = 0·033). Equol excretors with higher daily isoflavone intakes (-5·4 mg/d) had significantly lower IMT (-16·2 %, P = 0·035) and tended to have higher HDL-cholesterol (P = 0·055) than did those with lower daily isoflavone intakes (1·5 mg/d), while no association was observed between soya isoflavone intakes and serum lipids or IMT in non-excretors. In conclusion, the benefits of soya isoflavones in preventing CVD may be apparent among equol excretors only.

  4. Increased carotid intima media thickness is associated with prolactin levels in subjects with untreated prolactinoma: a pilot study.

    Science.gov (United States)

    Jiang, Xiao-Bing; Li, Cui-Ling; He, Dong-Sheng; Mao, Zhi-Gang; Liu, Dong-Hong; Fan, Xiang; Hu, Bin; Zhu, Yong-Hong; Wang, Hai-Jun

    2014-06-01

    Hyperprolactinemia is associated with endothelial dysfunction and atherogenic risk factors, but carotid intima media thickness (IMT) has not been studied in hyperprolactinemic patients. To determine whether untreated hyperprolactinemia contributes to increased carotid IMT. Thirty-one prolactinoma patients and 60 healthy controls were respectively studied. Participants underwent hormone evaluation. Anthropometric parameters (body mass index and blood pressure), inflammatory markers (high-sensitivity C-reactive protein and fibrinogen), serum glucose, insulin, lipid and apolipoprotein profiles were also determined. Endothelial function measured as the flow-mediated dilation (FMD) of a brachial artery and carotid IMT were evaluated using high-resolution ultrasonography. Multivariate linear regression analysis was applied to identify independent determinants of FMD and carotid IMT. Triglycerides, homeostasis model assessment of insulin resistance, apolipoprotein (apo)B/apoA-I ratio, high-sensitivity C-reactive protein (hsCRP) and fibrinogen were significantly higher, while apoA-I was significantly lower in patients with prolactinomas than in the controls. Meanwhile, decreased FMD and increased carotid IMT were observed in hyperprolactinemic group. Serum prolactin was positively correlated with triglycerides, apoB/apoA-I ratio, hypogonadal, hsCRP and fibrinogen (P < 0.05), but inversely associated with apoA-I and HDL-C (P ≤ 0.001). Moreover, prolactin was found negatively correlated with FMD (r = -0.576, P < 0.0001), and positively correlated with mean carotid IMT (r = 0.652, P < 0.0001). Multivariate regression analysis revealed that prolactin determined, independent of traditional risk factors, FMD (B = -0.589, 95% confidence interval (CI) -2.525 to -0.804, P = 0.001) and mean carotid IMT (B = 0.527, 95% CI 0.027-0.069, P < 0.0001). Hyperprolactinemia may be involved in the preclinical increase in carotid IMT, directly or by promoting atherogenic factors, including

  5. Automatic detection of the intima-media thickness in ultrasound images of the common carotid artery using neural networks.

    Science.gov (United States)

    Menchón-Lara, Rosa-María; Bastida-Jumilla, María-Consuelo; Morales-Sánchez, Juan; Sancho-Gómez, José-Luis

    2014-02-01

    Atherosclerosis is the leading underlying pathologic process that results in cardiovascular diseases, which represents the main cause of death and disability in the world. The atherosclerotic process is a complex degenerative condition mainly affecting the medium- and large-size arteries, which begins in childhood and may remain unnoticed during decades. The intima-media thickness (IMT) of the common carotid artery (CCA) has emerged as one of the most powerful tool for the evaluation of preclinical atherosclerosis. IMT is measured by means of B-mode ultrasound images, which is a non-invasive and relatively low-cost technique. This paper proposes an effective image segmentation method for the IMT measurement in an automatic way. With this purpose, segmentation is posed as a pattern recognition problem, and a combination of artificial neural networks has been trained to solve this task. In particular, multi-layer perceptrons trained under the scaled conjugate gradient algorithm have been used. The suggested approach is tested on a set of 60 longitudinal ultrasound images of the CCA by comparing the automatic segmentation with four manual tracings. Moreover, the intra- and inter-observer errors have also been assessed. Despite of the simplicity of our approach, several quantitative statistical evaluations have shown its accuracy and robustness.

  6. Association of Plasma Adiponectin and Oxidized Low-Density Lipoprotein with Carotid Intima-Media Thickness in Diabetic Nephropathy

    Science.gov (United States)

    Georgoulidou, Anastasia; Roumeliotis, Athanasios; Roumeliotis, Stefanos; Giannakopoulou, Efstathia; Papanas, Nikolaos; Passadakis, Ploumis; Manolopoulos, Vangelis G.; Vargemezis, Vassilis

    2015-01-01

    Aims. We sought to determine the association between levels of adiponectin and oxidized low-density lipoprotein (ox-LDL) in patients with diabetic nephropathy as well as their effect on carotid intima-media thickness (cIMT). Methods. Adiponectin and ox-LDL were determined in 25 diabetic patients without nephropathy and 94 patients at different stages of diabetic nephropathy including subjects on hemodialysis. cIMT was measured using real-time B-mode ultrasonography. Results. Plasma adiponectin levels increased significantly with severity of diabetic nephropathy (P = 0.002), on the contrary to ox-LDL which decreased with disease severity (P < 0.001). cIMT was significantly higher at late stages of diabetic nephropathy compared with early stages (P = 0.022). Adiponectin was a significant negative predictor of ox-LDL levels (β = −5.45, P = 0.023), independently of confounding factors. There was no significant correlation between cIMT and adiponectin or ox-LDL either in the total sample population or according to disease staging. Cluster analysis showed that patients with the highest cIMT values, highest levels of adiponectin, and lowest levels of ox-LDL were included in one cluster and all assigned to stage 5 of diabetic nephropathy. Conclusions. There was no significant association between adiponectin or ox-LDL and cIMT and, therefore, other factors affecting this surrogate marker of cardiovascular disease in diabetic nephropathy should be sought. PMID:26064982

  7. Association of Plasma Adiponectin and Oxidized Low-Density Lipoprotein with Carotid Intima-Media Thickness in Diabetic Nephropathy

    Directory of Open Access Journals (Sweden)

    Anna Tavridou

    2015-01-01

    Full Text Available Aims. We sought to determine the association between levels of adiponectin and oxidized low-density lipoprotein (ox-LDL in patients with diabetic nephropathy as well as their effect on carotid intima-media thickness (cIMT. Methods. Adiponectin and ox-LDL were determined in 25 diabetic patients without nephropathy and 94 patients at different stages of diabetic nephropathy including subjects on hemodialysis. cIMT was measured using real-time B-mode ultrasonography. Results. Plasma adiponectin levels increased significantly with severity of diabetic nephropathy (P=0.002, on the contrary to ox-LDL which decreased with disease severity (P<0.001. cIMT was significantly higher at late stages of diabetic nephropathy compared with early stages (P=0.022. Adiponectin was a significant negative predictor of ox-LDL levels (β=-5.45, P=0.023, independently of confounding factors. There was no significant correlation between cIMT and adiponectin or ox-LDL either in the total sample population or according to disease staging. Cluster analysis showed that patients with the highest cIMT values, highest levels of adiponectin, and lowest levels of ox-LDL were included in one cluster and all assigned to stage 5 of diabetic nephropathy. Conclusions. There was no significant association between adiponectin or ox-LDL and cIMT and, therefore, other factors affecting this surrogate marker of cardiovascular disease in diabetic nephropathy should be sought.

  8. Rate of change of carotid intima-media thickness with magnesium administration in Abcc6⁻/⁻ mice.

    Science.gov (United States)

    Kupetsky, Erine A; Rincon, Fred; Uitto, Jouni

    2013-12-01

    Pseudoxanthoma elasticum (PXE), caused by mutations in the ABCC6 gene, demonstrates progressive build-up of calcium phosphate and proteoglycans in the skin, eye, and arteries, and is associated to myocardial infarctions, stroke, blindness, and elevated carotid intima-media thickness (CIMT). Although CIMT reduction with magnesium (Mg) has been documented in a mouse model for PXE (Abcc6(-/-) ), it is not clear if Mg is effective in humans with PXE to reduce CIMT. To examine this, we calculated the rate of change of CIMT (washout) in 15- and 12-month-old Abcc6(-/-) mice fed standard rodent diet with or without Mg supplementation for 2 months. Using means in untreated 15- and 12-month-old Abcc6(-/-) mice (145 and 120 μm, respectively), the rate of change was 8.3 μm/month. Using means in treated 15- and 12-month-old Abcc6(-/-) mice (118 and 104.6 μm, respectively), the rate of change was 4.5 μm. Compared to normal progression of CIMT in humans without PXE, PXE has advanced atherosclerosis and possibly a higher CIMT rate of change. This experiment may portend, at least in PXE, the rationale for a 1-year oral Mg CIMT clinical trial and may be useful for application in other progressive mineralizing disorders like atherosclerosis.

  9. Serum calcium level is related to both intima-media thickness and carotid atherosclerosis: a neglect risk factor in obese/overweight subjects

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    Montalcini Tiziana

    2012-06-01

    Full Text Available Abstract Background Experimental studies suggested that high serum calcium may be important in the pathogenesis of vascular diseases. Since calcium seems to affect specifically the cerebrovascular district, aim of this study was to determine the relation between serum calcium levels, within normal range, and subclinical atherosclerosis in the carotid arteries, in a population of obese/overweight subjects. Methods In our retrospective study we included 472 subjects (59% female with body mass index equal to or more than 25 kg/m2. They underwent a physical examination, a biochemical assessment (including calcium evaluation and a B-mode ultrasonography of the extracranial carotid arteries to detect carotid atherosclerosis presence and to measure intima-media thickness. Results Mean age of the population was 50 ±12 years. Prevalence of the Carotid atherosclerosis was 40%. Mean carotid intima-media thickness was 0,66 ± 0,18 mm. The univariate and multivariate analysis showed an association between calcium and carotid intima-media thickness (p = 0,035. We divided the population in serum calcium tertiles. We found an higher carotid atherosclerosis prevalence in the III tertile in comparison to that of the I tertile (p = 0,039. Conclusions In this study we found a positive relation between serum calcium levels, within normal range, and subclinical atherosclerosis in the carotid arteries, in a population of obese/overweight subjects. It is important to consider the impact of the serum calcium levels in the overall risk assessment of patients, at least in obese subjects.

  10. Comparison of intima-media thickness of common and internal carotid arteries of patients with ischemic stroke and intracerebral hemorrhage.

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    Ali Moghtaderi

    2014-12-01

    Full Text Available Role of atherosclerosis in the pathogenesis of ischemic and hemorrhagic infarctions is still matter of debate. Intima-media thickness (IMT of the common carotid artery (CCA and internal carotid artery (ICA are markers of atherosclerosis. The aim of this study was to compare CCA IMT and ICA IMT of patients with ischemic and hemorrhagic infarction.Two equal groups of 80 patients with small and large vessel ischemic stroke and 80 patients with non-traumatic intracerebral hemorrhage (ICH who referred to our central teaching hospital of Zahedan were assessed in this descriptive study. IMT of four arteries (right and left CCA and ICA were measured, and collected data were analysis using Student's t-test.There were 137 males (57.1% and 103 (42.9% female with mean age of 62.7 ± 11.7. Mean right CCA IMT of patients with small vessel diseases (SVD, large vessel diseases (LVD, and ICH were 0.564 ± 0.130, 0.623 ± 0.150, and 0.580 ± 0.140 mm, respectively (P = 0.032. Mean left CCA IMT of patients with SVD, LVD, and ICH were 0.569 ± 0.120, 0.618 ± 0.120, and 0.573 ± 0.130 mm, respectively (P = 0.039. The above findings for right ICA were 0.572 ± 0.120, 0.569 ± 0.140, and 0.522 ± 0.130 mm, respectively (P = 0.145. Those findings for left ICA IMT were 0.525 ± 0.110, 0.554 ± 0.120, and 0.527 ± 0.120 mm, respectively (P = 0.257.Our findings showed that by using CCA IMT, differentiation between small and large vessel infarctions and hemorrhagic infarctions can be made.

  11. Impaired brachial artery flow-mediated dilation and increased carotid intima-media thickness in rheumatoid arthritis patients

    Institute of Scientific and Technical Information of China (English)

    FAN Chun-yan; ZHANG Zhi-yi; MEI Yi-fang; WU Chang-jun; SHEN Bao-zhong

    2012-01-01

    Background Carotid artery intima-media thickness (CIMT) and brachial artery flow-mediated dilation percentage (FMD%) are common parameters used for detecting subclinical atherosclerosis.This study compared subclinical atherosclerosis of the carotid and brachial arteries in rheumatoid arthritis (RA) patients and healthy controls using high resolution ultrasonography.We also investigated their correlation with clinical factors and the association between FMD% and CIMT.Methods One hundred and two RA patients and 46 age-gender matched healthy controls were included in the study.FMD of the brachial artery and CIMT were measured ultrasonographically.Patients with diabetes mellitus,hypertension,renal failure,history of cardiovascular or cerebrovascular disease were excluded.Subjects who were receiving or used high dose steroids were also excluded.Results The CIMT was significantly higher in patients than that in the control group ((0.697±0.053) vs.(0.554±0.051) mm,P <0.001),whereas brachial artery FMD% was lower in patients than that in the controls ((5.454±2.653)% vs.(8.477±2.851)%,P <0.001).CIMT was related to age,disease duration,tender and swollen joint score,C-reactive protein,systolic blood pressure and high-density lipoprotein.However,FMD% was only association with systolic blood pressure.There was no significant correlation between CIMT and FMD%.Conclusions Compared with the healthy control subjects,RA patients without clinically evident cardiovascular disease had subclinical atherosclerosis in terms of impaired FMD% and increased CIMT.FMD% and CIMT may measure a different stage of subclinical atherosclerosis in RA patients.

  12. Vitamin D, carotid intima-media thickness and bone structure in patients with type 2 diabetes

    DEFF Research Database (Denmark)

    Winckler, Karoline; Tarnow, Lise; Lundby-Christensen, Louise;

    2015-01-01

    with osteoporosis. A 25(OH)D level was not associated with carotid IMT or arterial stiffness (P>0.3) or bone health (P>0.6) after adjustment for CVD risk factors. In conclusion, 25(OH)D status was not associated with carotid IMT, arterial stiffness or bone health in this cohort of patients with T2D. To explore...

  13. Plasma renin responses to mental stress and carotid intima-media thickness in black Africans: the SABPA study.

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    Hamer, M; Malan, L; Schutte, A E; Huisman, H W; van Rooyen, J M; Schutte, R; Fourie, C M T; Malan, N T; Seedat, Y K

    2011-07-01

    The renin-angiotensin-aldosterone system can be activated by sympathetic nervous input and is thought to have an important role in the prevalence of hypertension and cardiovascular risk in black Africans. We examined (1) the association between plasma renin responses to mental stress and a marker of sub-clinical atherosclerosis; and (2) associations between resting renin and 24-h ambulatory blood pressure. Participants were 143 urbanized black African men and women (43.1 ± 7.7 years) drawn from a study of Sympathetic Activity and Ambulatory Blood Pressure in Africans (SABPA). After an overnight fast, participants completed the Stroop mental stress task. Blood samples were drawn during baseline and 10 min after the task to assess the concentration of active renin in plasma. Blood pressure assessments included continuous Finometer measures during the stress testing and 24-h ambulatory monitoring. Carotid intima-media thickness (CIMT) was measured using high-resolution ultrasound. Approximately 50% of the sample responded to the task with an increase in renin concentration. Multiple linear regression analysis revealed an association between the renin stress response and CIMT (β = 0.024, 95% confidence interval, 0.004-0.043), after adjustment for conventional risk factors, blood pressure stress responses and basal levels of renin activity (R(2) for model = 0.37). In addition, resting renin was inversely associated with ambulatory blood pressure. In summary, heightened release of renin during a laboratory mental stressor was associated with a marker of sub-clinical atherosclerosis; thus, it may be a potential mechanism in explaining the increased burden of cardiovascular disease in urbanized black Africans.

  14. Brachial artery flow-mediated dilatation and carotid intima-media thickness in young ED patients with insulin resistance.

    Science.gov (United States)

    Chen, S-F; Yao, F-J; Sun, X-Z; Wu, R-P; Huang, Y-P; Zheng, F-F; Yang, Q-Y; Han, D-Y; Xie, M-Q; Ding, M; Zhang, Y; Liu, G-H; Deng, C-H

    2016-09-01

    The evidence of a close relationship between cardiovascular disease and erectile dysfunction (ED) is well documented. The aim of this study is to investigate whether there is an early asymptomatic impairment of the peripheral vasculature in young ED patients without obvious cardiovascular disease. We studied a total of 261 ED patients (19-40 years old) and 40 age-matched healthy controls. All participants received questionnaires of cardiovascular risk factors and erectile function assessment, were subjected to lab tests of fasting blood sample, and underwent the ultrasonographic examination of brachial artery flow-mediated dilation (FMD) and carotid intima-media thickness (c-IMT). Insulin resistance (IR) was measured by the homeostasis model assessment of insulin resistance (HOMA-IR). Compared with normal human controls, FMD was significantly lower, whereas the average c-IMT was significantly greater in ED patients. An inverse correlation was found between FMD and mean c-IMT. The ED patients had significantly higher levels of fasting glucose, fasting insulin and HOMA-IR index, but showed relatively lower total testosterone and prolactin levels than the controls. Both FMD and c-IMT showed a significant correlation with International Index of Erectile Function-5 questionnaire (IIEF-5) score, age and HOMA-IR. Multivariate stepwise regression analysis demonstrated that age, HOMA-IR and IIEF-5 score were the risk factors associated with FMD and c-IMT. In conclusion, young ED patients in association with IR display diminished FMD and increased c-IMT. Furthermore, ED, HOMA-IR and age are independent predictors of the two subclinical atherosclerotic markers.

  15. Influence of obstructive sleep apnea on ischemia-modified albumin levels and carotid intima-media thickness.

    Science.gov (United States)

    Karamanli, Harun; Kiyici, Aysel; Arik, Bilal; Efe, Duran; Akgedik, Recep

    2016-06-01

    Obstructive sleep apnea (OSA) is associated with an increased risk of atherosclerosis. Carotid intima-media thickness (CIMT) is strongly associated with the presence of significant risk factors for cardiovascular disturbances. A disturbance in the oxidative/antioxidative balance is involved in the pathogenesis of OSA and cardiovascular diseases. Ischemia-modified albumin (IMA) is suggested as a novel marker of oxidative stress; IMA can be defined as decreased binding of transitional metal ions to serum albumin in oxidative status. The purpose of this research was to evaluate the influence of OSA on IMA levels and CIMT. In total, 61 individuals with OSA with no comorbidities and 24 healthy controls with a similar body mass index and age were enrolled in this study. Serum levels of IMA, CIMT (estimated radiologically), and polysomnographic parameters, were determined and interpreted. Serum IMA levels were significantly higher in individuals with OSA compared with the control group (p=0.0003). CIMT was significantly higher in the OSA group compared with the control group (0.88± 0.26 mm vs 0.75±0.17 mm, p=0.005). The CIMT and serum IMA levels were positively correlated with the apnea-hypopnea index (r=0.35 and r=0.32, respectively), and with the oxygen desaturation index (r=0.34 and r=0.29, respectively) at baseline. Increased IMA levels and CIMT may be related to increased oxidative stress and risk of atherosclerosis in individuals with OSA.

  16. Atherosclerosis is Associated Comorbidity in Patients with Chronic Obstructive Pulmonary Disease: Ultrasound Assessment of Carotid Intima Media Thickness

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    Manal R. Hafez

    2016-12-01

    Full Text Available Objective: To assess atherosclerotic comorbidity in chronic obstructive pulmonary disease (COPD patients and its relationship to COPD severity, hypoxemia, and hypercapnia. Methods: A hospital-based observational case-control study was conducted on 86 male COPD patients, and 86 age-matched healthy subjects (non-COPD group. Carotid intima-media thickness (CIMT was assessed by Doppler ultrasound; in addition, spirometry and arterial blood gas tests were done. Results: CIMT was significantly increased in the COPD group compared to the non-COPD group (0.84±0.15 vs. 0.63±0.076, p<0.001. When the CIMT value of ≥0.8 mm was defined as a cutoff value for a thickened CIMT complex, 64% of COPD patients versus 8.1% of non-COPD subjects had a thickened CIMT. COPD patients with a thickened CIMT were older and had a higher PaCO2, lower FEV1%, FVC, and FEF25–75% compared to COPD patients with a normal CIMT. Thickened CIMT in COPD patients was significantly associated with hypoxemia (p=0.008, OR=8.2, hypercapnia (p=0.04, OR=6.2, and airflow limitation (p=0.11, OR=2.1. There was no significant difference in CIMT in relation to COPD severity (p=0.83. Conclusion: Atherosclerosis is prevalent in COPD patients, even in the early stages of the disease. Hypoxemia, hypercapnia, and airflow limitation are risk factors of atherosclerosis in COPD patients.

  17. Interaction between arsenic exposure from drinking water and genetic susceptibility in carotid intima-media thickness in Bangladesh.

    Science.gov (United States)

    Wu, Fen; Jasmine, Farzana; Kibriya, Muhammad G; Liu, Mengling; Cheng, Xin; Parvez, Faruque; Paul-Brutus, Rachelle; Paul, Rina Rani; Sarwar, Golam; Ahmed, Alauddin; Jiang, Jieying; Islam, Tariqul; Slavkovich, Vesna; Rundek, Tatjana; Demmer, Ryan T; Desvarieux, Moise; Ahsan, Habibul; Chen, Yu

    2014-05-01

    Epidemiologic studies that evaluated genetic susceptibility for the effects of arsenic exposure from drinking water on subclinical atherosclerosis are limited. We conducted a cross-sectional study of 1078 participants randomly selected from the Health Effects of Arsenic Longitudinal Study in Bangladesh to evaluate whether the association between arsenic exposure and carotid artery intima-media thickness (cIMT) differs by 207 single-nucleotide polymorphisms (SNPs) in 18 genes related to arsenic metabolism, oxidative stress, inflammation, and endothelial dysfunction. Although not statistically significant after correcting for multiple testing, nine SNPs in APOE, AS3MT, PNP, and TNF genes had a nominally statistically significant interaction with well-water arsenic in cIMT. For instance, the joint presence of a higher level of well-water arsenic (≥ 40.4 μg/L) and the GG genotype of AS3MT rs3740392 was associated with a difference of 40.9 μm (95% CI = 14.4, 67.5) in cIMT, much greater than the difference of cIMT associated with the genotype alone (β = -5.1 μm, 95% CI = -31.6, 21.3) or arsenic exposure alone (β = 7.2 μm, 95% CI = -3.1, 17.5). The pattern and magnitude of the interactions were similar when urinary arsenic was used as the exposure variable. Additionally, the at-risk genotypes of the AS3MT SNPs were positively related to the proportion of monomethylarsonic acid (MMA) in urine, which is indicative of arsenic methylation capacity. The findings provide novel evidence that genetic variants related to arsenic metabolism may play an important role in arsenic-induced subclinical atherosclerosis. Future replication studies in diverse populations are needed to confirm the findings.

  18. Attenuation of rate of change in carotid intima-media thickness by lipid-modifying drugs: impact on clinical outcomes.

    Science.gov (United States)

    Peters, Sanne A E; den Ruijter, Hester M; Bots, Michiel L

    2011-08-01

    Measurements of carotid intima-media thickness (CIMT) are widely used in clinical research as a measure of atherosclerosis. Many randomized controlled trials (RCTs) have been performed using the rate of change in CIMT as the primary endpoint to study the efficacy of lipid-modifying therapies. The main advantage of using CIMT over the use of cardiovascular events as a primary endpoint is the greater efficiency and feasibility. The underlying assumption for the use of CIMT in trials is that the rate of change in CIMT achieved by a therapy reflects a change in the risk for cardiovascular events. We therefore set out to assess the evidence showing whether the rate of change in CIMT induced by lipid-lowering therapies has an impact on clinical outcomes, by reviewing the available evidence based on a search of the PubMed database. Solid evidence from observational studies shows that increased CIMT relates to an increase in cardiovascular risk. RCTs consistently demonstrate that the annual rate of change in CIMT is favourably affected by lipid-modifying therapies. One study investigating the relationship between the rate of change in CIMT and clinical events has been published and showed a positive relationship between these two outcomes. A published meta-analysis based on pooled CIMT data from statin trials has shown a positive relationship between attenuated rate of change in CIMT after statin therapy and clinical outcomes. However, methodological issues question the validity of the meta-analytical approach. The consistent agreement between results from CIMT trials and event trials on the effects of lipid-modifying therapies, however, clearly supports the presence of a relationship between changes in CIMT and clinical endpoints. Therefore, although direct evidence is scarce, the data overall on whether the attenuation of rate of change in CIMT by lipid-lowering therapies impact on clinical outcomes are supportive.

  19. Appropriateness of carotid plaque and intima-media thickness assessment in routine clinical practice

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    Alessi Alexandre

    2008-10-01

    Full Text Available Abstract Objectives To describe the findings and evaluate appropriateness of a carotid artery study including the measurement of IMT, the presence of atherosclerotic plaque, and their correlation with cardiovascular risk factors. Methods 555 patients (220 men; 67.06 ± 12.44 years were included in the study. 120 patients (21.62% presented carotid plaque: 108 (19.45% in patients with at least one risk factor and 12 (2.1% in patients without risk factors. With respect to appropriateness of the present studies: 65% were appropriate, 22% were uncertain and 13% were inappropriate. The IMT medians were higher in males (0.0280; 95% CI, 00.82 to 0.478; p = 0.0057 and in hypertensive patients (0.391; 95% CI, 0.0190 to 0.0592; p = 0,001. There was a linear increase in mean IMT for each year increased in age (0.0059; 95% CI; 0.0050 to 0.0067. Carotid plaque was more frequent in patients with CAD (p = 0.0002, diabetes (p = 0.024 and hypertension (p = 0.036. Conclusion Assessment of carotid arteries identified increased incidence of plaque in patients with CAD, diabetes and hypertension. IMT was increased in older patients, hypertensive patients and males. Forty-five percent of the patients were studied based on uncertain and inappropriate reasons.

  20. Carotid intima-media thickness in individuals with and without type 2 diabetes

    DEFF Research Database (Denmark)

    Lundby-Christensen, Louise; Almdal, Thomas P; Carstensen, Bendix

    2010-01-01

    importance in order to make accurate power calculations and analyses of results, no reproducibility studies have been performed in this group of patients. The aim of this study was to quantify the variability of the measurement of carotid IMT in individuals with and without T2D. METHODS: We used B......-mode ultrasound and a computerized software programme (MIA vascular tools) for analysis of carotid IMT. Measurement of carotid IMT in the far wall of the common carotid artery (CCA) was done for 30 patients with T2D and 30 persons without T2D. The examinations were done by two different sonographers and two.......12 to 0.10 mm for persons without T2D. This means, that a second scanning of the same person with 95% probability would be within this interval of the first scanning. Comparisons between readers assessing the same scanning (reader variability) resulted in LoA from -0.05 to 0.07 mm and -0.04 to 0.05 mm...

  1. Common carotid intima-media thickness and von Willebrand factor serum levels in rheumatoid arthritis female patients without cardiovascular risk factors.

    Science.gov (United States)

    Daza, Leonel; Aguirre, Martin; Jimenez, Martin; Herrera, Rafael; Bollain, J J

    2007-04-01

    High atherosclerosis prevalence was found in rheumatoid arthritis (RA), and the von Willebrand factor (vWF) was shown to be a marker for endothelial damage. The aim of this study was to evaluate the association of intima-media thickness of the left common carotid artery with vWF serum levels in rheumatoid arthritis patients without cardiovascular risk factors. We included 55 RA female patients, each with at least 5 years of duration of the disease, and 20 healthy female subjects as members of the control group. The vWF, cholesterol, triglycerides, and the immune variables-rheumatoid factor and reactive C protein-were evaluated. The media thickness and intima-media thickness (IMT) in patients and in the control subjects were assessed by Doppler ultrasound of the left common carotid artery. Although the ages for RA patients and healthy female controls were not different, the IMT of the left common carotid artery (IMT CCA) in rheumatoid arthritis patients was increased in comparison with healthy control measurements, the mean being 0.67 mm (SD 0.18) vs 0.58 mm (SD 0.10) with a p value 0.01. The vWF serum levels showed differences in RA patients from those in control patients, 145.6 (SD 30.08) vs 121.8 (SD 37.17), respectively, with p=0.007. A correlation was also found between vWF with IMT CCA in the RA patients: r=0.390 and p<0.05. We concluded that the measurements of the left common carotid artery intima-media thickness together with the von Willebrand factor serum levels could give valuable information about the artery status and the atherosclerosis process in early stages in patients with rheumatoid arthritis without cardiovascular risk factors.

  2. Influence of age, body mass index, and blood pressure on the carotid intima-media thickness in normotensive and hypertensive patients.

    Science.gov (United States)

    Honzikova, Natasa; Labrova, Ruzena; Fiser, Bohumil; Maderova, Eva; Novakova, Zuzana; Zavodna, Eva; Semrad, Borivoj

    2006-10-01

    We investigated whether body mass index and blood pressure have an additive influence on the carotid intima-media thickness (IMT). In 27 patients treated for hypertension (47.2+/-8.7 years) and 23 normotensive subjects (44.1+/-8.1 years), 24-h recording of blood pressure was performed. The carotid IMT was determined by ultrasonography and baroreflex sensitivity by a spectral method from 5-min recordings of blood pressure. Significant differences between hypertensive and normotensive subjects were observed for carotid IMT (0.60+/-0.08 vs. 0.51+/-0.07 mm; pmass index (pinfluenced by either age or body mass index. Baroreflex sensitivity decreased with age (pinfluence of age and body mass index on the development of carotid IMT is essential only in normotensive subjects. In hypertensive subjects the influence of blood pressure predominates, as documented by a comparison of the carotid IMT between hypertensive and normotensive subjects.

  3. The assessment of carotid intima media thickness and serum Paraoxonase-1 activity in Helicobacter pylori positive subjects

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    Akbas Halide S

    2010-08-01

    Full Text Available Abstract Background The role of inflammation in the pathogenesis and progression of atherosclerosis has been increasingly discussed. Although the seroepidemiological studies have suggested a relationship between Helicobacter pylori (H. pylori infection and atherosclerosis; the issue is still controversial. It is well known that abnormal lipid profil is related to atherosclerosis and the measurement of carotid-intima media thickness (CIMT is one of the surrogate marker of atherosclerosis. The serum concentration of high-density lipoprotein (HDL-C has been known to have an inverse correlation with the development of atherosclerosis. Paraoxonase-1 (PON1 is a major anti-atherosclerotic component of HDL-C. PON1 activity is related to lipid peroxidation and prospective cardiovascular risk. The aim of this study was to investigate CIMT and serum PON1 activities along with lipid parameters in H. pylori positive and negative subjects. Methods Thirty H. pylori positive subjects and thirty-one negative subjects were enrolled. H. pylori infection was diagnosed by the presence of positivity of stool H. pylori antigen test or Carbon 14 labeled urea breath test. Serum PON1 activity was measured spectrophotometrically. Traditional cardiovascular risk factors were investigated and laboratory analysis included measurement of serum triglycerides (TG, total cholesterol (TC, high-density lipoprotein (HDL-C and low-density lipoprotein cholesterol (LDL-C. We assessed CIMT by high-resolution ultrasound of both common carotid arteries. Results We found that the mean and maximum values of right and overall CIMT in H. pylori positive subjects were significantly thicker than those of H. pylori negative subjects. There was no significant differences in serum HDL-C, LDL-C, TC levels and TC/HDL-C ratios between two groups. Serum TG levels of H. pylori positive subjects were significantly higher than those of H. pylori negative subjects (p = 0.014. We found that PON1

  4. Association of branched-chain amino acids with carotid intima-media thickness and coronary artery disease risk factors.

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    Ruiyue Yang

    Full Text Available BACKGROUND: Recent studies have determined that branched-chain (BCAAs and aromatic (AAAs amino acids are strongly correlated with obesity and atherogenic dyslipidemia and are strong predictors of diabetes. However, it is not clear if these amino acids are capable of identifying subjects with coronary artery disease (CAD, particularly with subclinical atherosclerosis who are at risk of developing CAD. METHODS: Four hundred and seventy two Chinese subjects (272 males and 200 females, 42-97 y of age undergoing physical exams were recruited at random for participation in the cross-sectional study. Serum BCAAs and AAAs were measured using our previously reported isotope dilution liquid chromatography tandem mass spectrometry method. Bilateral B-mode carotid artery images for carotid intima-media thickness (cIMT were acquired at end diastole and cIMT values more than 0.9 mm were categorized as increased. Correlations of BCAAs with cIMT and other CAD risk factors were analyzed. RESULTS: BCAAs and AAAs were significantly and positively associated with risk factors of CAD, e.g., cIMT, BMI, waist circumference, blood pressure, fasting blood glucose, TG, apoB, apoB/apoAI ratio, apoCII, apoCIII and hsCRP, and were significantly and negatively associated with HDL-C and apoAI. Stepwise multiple linear regression analysis revealed that age (β = 0.175, P<0.001, log BCAA (β = 0.147, P<0.001 and systolic blood pressure (β = 0.141, P = 0.012 were positively and independently associated with cIMT. In the logistic regression model, the most and only powerful laboratory factor correlated with increased cIMT was BCAA (the odds ratio of the fourth quartile compared to the first quartile was 2.679; P = 0.009. CONCLUSION: BCAAs are independently correlated with increased cIMT. This correlation would open a new field of research in the mechanistic understanding and risk assessment of CAD.

  5. Thicker carotid intima-media thickness and increased plasma VEGF levels suffered by post-acute thrombotic stroke patients

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    Yueniwati Y

    2016-12-01

    Full Text Available Yuyun Yueniwati,1 Ni Komang Darmiastini,1 Eko Arisetijono2 1Radiology Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia; 2Neurology Department, Faculty of Medicine, Brawijaya University, Malang, Indonesia Background and objectives: Atherosclerosis causes reduction of the oxygen supply to structures in the far arterial wall, provoking the release of factors that drive angiogenesis of vasa vasorum, including VEGF. Other studies have revealed the inflammatory response in atherosclerosis and the role of platelet factor 4 (PF4 as an anti-angiogenic chemokine through the inhibition of VEGF. This cross-sectional study aims at measuring the effect of atherosclerosis assessed through carotid intima-media thickness (CIMT against plasma VEGF levels in patients with post-acute thrombotic stroke. Materials and methods: CIMT was assessed sonographically using GE Logiq S6 with 13 MHz frequency linear probe. VEGF-A plasma levels were measured using enzyme-linked immunosorbent assay (ELISA method. Differences among variables were compared statistically. The data were analyzed using Pearson correlation. Results: A total of 25 patients with post-acute thrombotic stroke were identified in days 7 to 90. CIMT thickening was indicated in 88% of patients (1.202 ± 0.312 mm, while an increase in plasma VEGF was identified in all patients (178.28 ± 93.96 ng/mL. There was no significant correlation between CIMT and plasma VEGF levels in patients with post-acute thrombotic stroke (p=0.741. A significant correlation was recognized between CIMT and total cholesterol (p=0.029 and low-density lipoprotein (p=0.018. Conclusion: There were no significant correlations between CIMT and plasma VEGF levels in patients with post-acute thrombotic stroke. However, plasma VEGF increased in patients with thrombotic stroke. CIMT measurement is a promising noninvasive modality to assess the vascular condition of patients with stroke and diabetes, while plasma VEGF

  6. The Effect of Sitagliptin on the Regression of Carotid Intima-Media Thickening in Patients with Type 2 Diabetes Mellitus: A Post Hoc Analysis of the Sitagliptin Preventive Study of Intima-Media Thickness Evaluation

    Science.gov (United States)

    Katakami, Naoto; Shiraiwa, Toshihiko; Yoshii, Hidenori; Gosho, Masahiko; Shimomura, Iichiro; Watada, Hirotaka

    2017-01-01

    Background. The effect of dipeptidyl peptidase-4 (DPP-4) inhibitors on the regression of carotid IMT remains largely unknown. The present study aimed to clarify whether sitagliptin, DPP-4 inhibitor, could regress carotid intima-media thickness (IMT) in insulin-treated patients with type 2 diabetes mellitus (T2DM). Methods. This is an exploratory analysis of a randomized trial in which we investigated the effect of sitagliptin on the progression of carotid IMT in insulin-treated patients with T2DM. Here, we compared the efficacy of sitagliptin treatment on the number of patients who showed regression of carotid IMT of ≥0.10 mm in a post hoc analysis. Results. The percentages of the number of the patients who showed regression of mean-IMT-CCA (28.9% in the sitagliptin group versus 16.4% in the conventional group, P = 0.022) and left max-IMT-CCA (43.0% in the sitagliptin group versus 26.2% in the conventional group, P = 0.007), but not right max-IMT-CCA, were higher in the sitagliptin treatment group compared with those in the non-DPP-4 inhibitor treatment group. In multiple logistic regression analysis, sitagliptin treatment significantly achieved higher target attainment of mean-IMT-CCA ≥0.10 mm and right and left max-IMT-CCA ≥0.10 mm compared to conventional treatment. Conclusions. Our data suggested that DPP-4 inhibitors were associated with the regression of carotid atherosclerosis in insulin-treated T2DM patients. This study has been registered with the University Hospital Medical Information Network Clinical Trials Registry (UMIN000007396). PMID:28250768

  7. Pomegranate juice consumption for 3 years by patients with carotid artery stenosis reduces common carotid intima-media thickness, blood pressure and LDL oxidation.

    Science.gov (United States)

    Aviram, Michael; Rosenblat, Mira; Gaitini, Diana; Nitecki, Samy; Hoffman, Aaron; Dornfeld, Leslie; Volkova, Nina; Presser, Dita; Attias, Judith; Liker, Harley; Hayek, Tony

    2004-06-01

    Dietary supplementation with polyphenolic antioxidants to animals was shown to be associated with inhibition of LDL oxidation and macrophage foam cell formation, and attenuation of atherosclerosis development. We investigated the effects of pomegranate juice (PJ, which contains potent tannins and anthocyanins) consumption by atherosclerotic patients with carotid artery stenosis (CAS) on the progression of carotid lesions and changes in oxidative stress and blood pressure. Ten patients were supplemented with PJ for 1 year and five of them continued for up to 3 years. Blood samples were collected before treatment and during PJ consumption. In the control group that did not consume PJ, common carotid intima-media thickness (IMT) increased by 9% during 1 year, whereas, PJ consumption resulted in a significant IMT reduction, by up to 30%, after 1 year. The patients' serum paraoxonase 1 (PON 1) activity was increased by 83%, whereas serum LDL basal oxidative state and LDL susceptibility to copper ion-induced oxidation were both significantly reduced, by 90% and 59%, respectively, after 12 months of PJ consumption, compared to values obtained before PJ consumption. Furthermore, serum levels of antibodies against oxidized LDL were decreased by 19%, and in parallel serum total antioxidant status (TAS) was increased by 130% after 1 year of PJ consumption. Systolic blood pressure was reduced after 1 year of PJ consumption by 12% [corrected] and was not further reduced along 3 years of PJ consumption. For all studied parameters, the maximal effects were observed after 1 year of PJ consumption. Further consumption of PJ, for up to 3 years, had no additional beneficial effects on IMT and serum PON1 activity, whereas serum lipid peroxidation was further reduced by up to 16% after 3 years of PJ consumption. The results of the present study thus suggest that PJ consumption by patients with CAS decreases carotid IMT and systolic blood pressure and these effects could be related to

  8. The Relationship Between Increased Epicardial Fat Thickness and Left Ventricular Hypertrophy and Carotid Intima-Media Thickness in Patients With Nonfunctional Adrenal Incidentaloma

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    Imga

    2016-07-01

    Full Text Available Background Emerging evidences indicate that patients diagnosed with Adrenal Incidentaloma (AI may present cardiovascular complications. Epicardial fat thickness (EFT has recently been described as a new risk factor and an active player in metabolic syndrome and cardiovascular disease. Objectives We aimed to evaluate the relationship between EFT and left ventricular hypertrophy and carotid intima-media thickness, which are both strong predictors of cardiovascular morbity and mortality, in patients with nonfunctioning AI. Patients and Methods We evaluated 51 patients (36 females and 15 males diagnosed with AI and 35 (29 females, 6 males age, gender and body mass index (BMI matched healthy controls in terms of cardiovascular risk parameters. Epicardial fat was identified as the echo-free space between the outer wall of the myocardium and the visceral layer of the pericardium. Results Epicardial fat thickness was significantly higher in patients with AI when compared to the control group (0.89 ± 0.32 cm vs. 0.74 ± 0.26 cm; P = 0.023. left ventricular (LV mass index and median carotid intima-media thickness (CIMT were also higher in subjects with AI than in controls (99.8 g/m2 vs. 86.9 g/m2; P = 0.024 and 7.5 mm (5.5 - 11.5 vs. 6.5 mm (4.5 - 9.5; P = 0.017. There was a positive correlation between EFT, LV mass index, EFT and CIMT (r = 0.315, P = 0.004; r = 0.363, P < 0.001; respectively. Conclusions In this study we showed that EFT, measured by echocardiography is higher in subjects with AI when compared to healthy controls. epicardial fat thickness had the best independent correlation with AI in multiple logistic regression analysis. Incidentaloma is also associated with increased left ventricular mass index and CIMT. Adrenal incidentaloma patients may show early cardiac changes, such as increased left ventricular mass and increased CIMT.

  9. Association of Microalbuminuria and Estimated Glomerular Filtration Rate With Carotid Intima-Media Thickness in Patients With Type 2 Diabetes Mellitus

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    Dehdashti Shahrokh

    2015-04-01

    Full Text Available Background Atherosclerosis is the main cause of cardiovascular diseases, and its risk enhances in type 2 diabetes mellitus. Objectives This study aimed to evaluate Carotid Intima-Media Thickness (CIMT by carotid artery ultrasonography and assess its correlation with microalbuminuria and estimated Glomerular Filtration Rate (eGFR in the patients with type 2 diabetes mellitus. Patients and Methods This cross-sectional study was included 205 patients with Type 2 Diabetes Mellitus (T2DM. We recorded clinical and biochemical data such as FBS, lipid profile, and urinary albumin. Intima-media thickness of carotid arteries was measured in all patients by high frequency ultrasound. Results In simple correlation coefficients analysis, CIMT was significantly associated with total cholesterol (r = 0.197, P = 0.008, serum creatinine (r = 0.240, P = 0.001, and urinary albumin (r = 0.420, P = 0.000. Also, CIMT elevated significantly with the stage progression of chronic kidney disease (0.67 ± 0.15 mm in stage 1, 0.73 ± 0.22 mm in stage 2, and 0.82 ± 0.21 mm in stage 3 (P value = 0.024. In multivariate linear regression analysis, the duration of diabetes, weight, HDL, serum creatinine, urinary albumin, and estimated Glomerular Filtration Rate (eGFR were independently associated with CIMT (P value < 0.05 for all. Conclusions Our study shows a relationship between CIMT and renal parameters, including eGFR and albuminuria. This study confirms the importance of intensive examinations for early detection of atherosclerosis and treatment of risk factors.

  10. [Prediction of coronary artery stenosis by measurement of total plaque area and thickness versus intima media thickness of the carotid artery].

    Science.gov (United States)

    Adams, Ansgar; Bojara, Waldemar

    2015-08-01

    Total plaque area (TPA), maximum plaque thickness and intima media thickness (IMT) in the carotid arteries of 431 patients aged 27-88 years were measured 1 day before a planned coronary artery angiography without any clinical knowledge about the patient. Age-related cut-off values of the TPA for the presence of coronary stenosis were evaluated. Using ultrasound four types of carotid artery atherosclerosis were identified. The accuracy of detection of cardiovascular coronary stenosis was 87% for types III and IVb. No type I patient had coronary stenosis. The IMT was significantly less predictive: the area under the curve (AUC) for TPA by age and plaque thickness was 0.82 (95% CI: 0.78-0.85) versus IMT 0.59 (95% CI: 0.54-0.64, p = 0.001). Prediction with TPA measurement by age and plaque thickness was better than TPA alone: AUC 0.82 (95% CI: 0.78-0.85) versus 0.77 (95% CI: 0.73-0.81, p = 0.0028), respectively. In a second cohort of 2566 healthy men and 1216 healthy women aged between 20 and 64 years who were examined in an occupational screening program, 11.2% of the men and 3.4% of the women showed a type III or IVb result. In the mean follow-up of period of 23.4 ± 14.4 months, 14 heart attacks, 7 bypass operations and 3 stent implantations occurred and 6 subjects showed coronary stenosis between 50% and 95% in coronary angiography. In the baseline examination 26 out of 30 patients showed a type III or IVb result. In the case of men and women with types III and IVb diagnosis by ultrasound, pharmaceutical treatment could be indicated in order to reduce the risk of cardiovascular events. Type I patients do not need preventive medication or coronary catheterization.

  11. Ultrasound protocols to measure carotid intima-media thickness in trials; comparison of reproducibility, rate of progression, and effect of intervention in subjects with familial hypercholesterolemia and subjects with mixed dyslipidemia.

    NARCIS (Netherlands)

    Dogan, S.; Duivenvoorden, R.; Grobbee, D.E.; Kastelein, J.J.; Shear, C.L.; Evans, G.W.; Visseren, F.L.; Bots, M.L.

    2010-01-01

    BACKGROUND: Current ultrasound protocols to measure carotid intima-media thickness (CIMT) in trials rather differ. The ideal protocol combines high reproducibility with a high precision in the measurement of the rate of change in CIMT over time and with a precise estimate of a treatment effect. To s

  12. No association of atherosclerosis with digital ulcers in Japanese patients with systemic sclerosis: evaluation of carotid intima-media thickness and plaque characteristics.

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    Motegi, Sei-Ichiro; Toki, Sayaka; Hattori, Tomoyasu; Yamada, Kazuya; Uchiyama, Akihiko; Ishikawa, Osamu

    2014-07-01

    Patients with systemic sclerosis (SSc) usually develop Raynaud's phenomenon, persistent digital ischemia and sometimes develop digital ulcers (DU). Several studies have reported an association of carotid artery atherosclerosis with SSc by evaluating carotid intima-media thickness (IMT) in SSc patients. However, none of those studies analyzed the association between DU and carotid artery atherosclerosis in SSc patients. We examined the association of carotid artery atherosclerosis with digital ulcers by comparing SSc patients with (n = 48, 29.5%) and without (n = 206, 70.5%) DU. The demographic and clinical features of the SSc patients showed that young age, male sex, anti-topoisomerase I antibody positivity, severe skin sclerosis, interstitial lung disease complication and cardiac involvements were significantly prevalent in patients with DU. In addition, diffuse cutaneous type, anti-RNA polymerase III antibody positivity and severe skin sclerosis are more frequent in SSc patients with DU at the extensor surface of joints than SSc patients with DU at the digital tip. There were no differences in serum lipid level, carotid IMT or plaque score between SSc patients with and without DU, suggesting that atherosclerotic changes are not primarily involved in the development of DU.

  13. Effect of Short term intensive multitherapy on Carotid intima-media thickness in patients with newly diagnosed type 2 diabetes mellitus

    Institute of Scientific and Technical Information of China (English)

    GUO Li-xin; PAN Qi; WANG Xiao-xia; LI Hui; ZHANG Li-na; CHI Jia-min; WANG Yao

    2008-01-01

    Background Controlling plasma glucose levels, blood pressure and lipid levels is proven to reduce the risk of vascular complications in patients with type 2 diabetes mellitus. This has prompted intensive multitherapy targeted at several macrovascular risk factors.Carotid intima-media thickness(cIMT)is a reliable measure of early atherosclerosis. We sought to determine whether a 6-month intensive mutiltherapy program resulted in better goal attainment than usual care and its effect on the development of cIMT among patients with newly diagnosed type 2 diabetes mellitus. Methods The study randomly assigned 220 patients with newly diagnosed type 2 diabetes mellitus to intensive or traditional therapy groups. The clinical parameters, such as fasting plasma glucose, total cholesterol, triglyceride, blood pressure, body weight and insulin were assessed at the baseline and after the 6-month therapy. cIMT of the patients wasalso obtained. Results The average levels of fasting plasma glucose, hemoglobin A1c, total cholesterol (TC)and low-density lipoprotein cholesterol (LDL-C)in the intensive group were significantly lower than those in the control group at the end of 6-month treatment. By 6 months, a higher proportion of patients in the intensive therapy group than in the control group attained goals for fasting plasma glucose(FPG), TC, LDL-C and hemoglobin A1c.With intensive multherapy the level of carotid intima-media thickness in the intensive therapy group was lower than that in the control group((0.88±0.26)mm vs(0.96±0.22)mm, P<0.01).Conclusions The evidence from this clinical trial demonstrates that intensive glucose. lipid and blood pressure control in patients with newly diagnosed type 2 diabetes is associated with diabetic macrovascular benefits. Intensive multitherapy allows more patients to achieve aims of control and may reduce macrovascular complications and delay disease progression.

  14. Risk Factors for the Progression of Intima-Media Thickness of Carotid Arteries: A 2-Year Follow-Up Study in Patients with Newly Diagnosed Type 2 Diabetes

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    Sang Ouk Chin

    2013-10-01

    Full Text Available BackgroundIntima-media thickness (IMT of the carotid arteries is known to have a positive correlation with the risk of cardiovascular disease. This study was designed to identify risk factors affecting the progression of carotid IMT in patients with type 2 diabetes mellitus (T2DM.MethodsPatients with newly diagnosed T2DM with carotid IMT measurements were enrolled, and their clinical data and carotid IMT results at baseline and 2 years later were compared.ResultsOf the 171 patients, 67.2% of males and 50.8% of females had abnormal baseline IMT of the left common carotid artery. At baseline, systolic blood pressure, body mass index and smoking in male participants, and fasting plasma glucose and glycated hemoglobin levels in females were significantly higher in patients with abnormal IMT than in those with normal IMT. Low density lipoprotein cholesterol (LDL-C levels in males and high density lipoprotein cholesterol (HDL-C levels in females at the 2-year follow-up were significantly different between the nonprogression and the progression groups. Reduction of the United Kingdom Prospective Diabetes Study (UKPDS 10-year coronary heart disease (CHD risk score after 2 years was generally higher in the nonprogression group than the progression group.ConclusionLDL-C levels in males and HDL-C levels in females at the 2-year follow-up were significantly different between participants with and without progression of carotid IMT. Furthermore, a reduction in the UKPDS 10-year CHD risk score appeared to delay the advancement of atherosclerosis. Therefore, the importance of establishing the therapeutic goal of lipid profiles should be emphasized to prevent the progression of carotid IMT in newly diagnosed T2DM patients.

  15. Evaluation of intima-media thickness of carotid artery in obese children by using ultrasound radiofrequency data based quality intima-media thickness technology%超声射频信号血管内中膜分析技术评价肥胖儿童颈动脉内中膜厚度

    Institute of Scientific and Technical Information of China (English)

    金晔; 汤庆娅; 陶晔璇; 薛敏波; 沈理笑; 陈亚青

    2011-01-01

    目的:应用超声射频信号血管内中膜分析(quality intima-media thickness,QIMT)技术测量肥胖儿童的颈动脉内中膜厚度(intima-media thickness,IMT),探讨肥胖儿童代谢异常状况与颈动脉IMT间的关系.方法:由1名高年资超声医师应用QIMT技术,测量32例肥胖儿童(肥胖组)和20名正常对照儿童(对照组)的双侧颈总动脉IMT.结果:肥胖组与对照组儿童的空腹血糖(FBG)、总胆固醇(TCH)及低密度脂蛋白(LDL)差异均无统计学意义(P>0.05);肥胖组儿童的三酰甘油(TG)高于对照组,差异有统计学意义(P<0.01),高密度脂蛋白(HDL)则明显低于对照组,差异有统计学意义(P<0.05);肥胖组儿童的颈总动脉IMT明显高于对照组,差异亦有统计学意义(P<0.01).结论:肥胖儿童的颈动脉IMT已开始增加,并可合并高脂血症,提示动脉硬化(AS)是可在小儿时期得病、成人发病.超声检查颈动脉IMT简便、安全无创,可作为早期发现AS的一个良好的预报因子.%Objective To study whether atherosclerosis begins in childhood by measuring the intima-media thickneas of carotid artery in obese children using ultrasound radiofrequency data based quality intima-media thickness (QIMT) technology. Methods Intima-media thickness of carotid artery was measured in 32 obese children and 20 healthy children (control group) by QIMT. Blood lipid profiles and fasting blood glucose were measured. Results There were no differences in fasting blood glucose, total cholesterol and low density lipoprotein levels between the two groups (P>0.05),however, high density lipoprotein level was lower (P<0.05) and triglyceride level was higher in obese group (P<0.01). The intima-media thickness of carotid artery in obese group was significantly higher than that in control group (P<0.01).Conclusion The increasing of carotid artery intima-mcdia thickness starts in childhood and might be associated with hyperlipidemia, this suggests that

  16. Carotid Intima-Media Thickness in Indonesian Subjects with Cardiovascular Disease Risk Factors Who Were Not Receiving Lipid-Lowering Agents.

    Science.gov (United States)

    Kaligis, Rinambaan W M; Adiarto, Suko; Nugroho, Johanes; Pradnyana, Bagus Ari; Lefi, Achmad; Rifqi, Sodiqur

    2016-09-01

    Carotid intima-media thickness (CIMT) is frequently utilized for detection of subclinical atherosclerosis. This study aims to investigate the association between the CIMT values and demographic characteristics, cardiovascular disease (CVD) risk factors, lipid biochemistry profiles, and high-sensitivity C-reactive protein (hs-CRP) levels among the Indonesian population. Subjects who had two or more CVD risk factors but were not receiving lipid-lowering therapy were recruited from six hospitals of Indonesia. Measurements of CIMT are obtained by ultrasonography of 12 sites within the common carotid artery. CVD risk factors, lipid and glucose profiles, and hs-CRP values were analyzed with respect to distribution of CIMT. The mean-max CIMT was 0.805 ± 0.190 mm (minimum, 0.268 mm; maximum, 1.652 mm) and the mean-mean CIMT was 0.614 ± 0.190 mm (minimum, 0.127 mm; maximum, 1.388 mm). Multivariate analyses confirmed an independent association between increasing CIMT and increasing age (regression coefficient = 0.004; p = 0.004). Our data show normative mean-mean CIMT data for Indonesian subjects with two or more CVD risk factors who are not receiving lipid-lowering therapy, which may guide CVD risk stratification of asymptomatic individuals in Indonesia.

  17. Parental history of premature myocardial infarction is a stronger predictor of increased carotid intima-media thickness than parental history of hypertension.

    Science.gov (United States)

    Barra, S; Gaeta, G; Cuomo, V; Guarini, P; Cuomo, S; Capozzi, G; Tudisca, G; Madrid, A; Trevisan, M

    2011-06-01

    An increased carotid intima-media thickness (IMT) is detectable in young subjects with parental history of premature myocardial infarction (PHPMI) or hypertension (PHH). In this study we evaluated if PHPMI and PHH exert a different influence on carotid IMT and if their conjunction produces additive effects. High-resolution B-mode ultrasonographic evaluation of common carotid artery IMT was acquired from 48 subjects without PHPMI and PHH (22 males, 26 females; mean age 22.1±4.9 years; controls), 24 age- (±1 year) and sex-matched subjects with PHH without PHPMI (PHH-positive/PHPMI-negative subjects), 24 age- and sex-matched subjects with PHPMI without PHH (PHH-negative/PHPMI-positive subjects) and 24 age- and sex-matched subjects with both PHPMI and PHH (PHH/PHPMI-positive subjects). Lipid profile, resting blood pressure, smoking behaviour and body mass index (BMI) were also assessed. Carotid IMT was smaller in controls (0.41±0.07mm) compared to PHH-positive/PHPMI-negative subjects (0.47±0.10, p=0.023), to PHH-negative/PHPMI-positive subjects (0.54±0.11, p<0.001) and to PHH/PHPMI-positive subjects (0.52±0.10mm, p<0.001). Carotid IMT was greater in PHH-negative/PHPMI-positive (p=0.006) and in PHH/PHPMI-positive (p=0.031) than in PHH-positive/PHPMI-negative subjects. No difference in carotid IMT was evident between PHH-negative/PHPMI-positive and PHH/PHPMI-positive subjects (p=0.549). In the comparison among subjects using multiple regression analysis, only PHPMI, age and BMI were independently associated with carotid IMT. In healthy young subjects with PHPMI and/or PHH, carotid IMT is increased. PHPMI is a stronger predictor of increased carotid IMT than PHH. PHH in conjunction with PHPMI does not add any further detrimental effect on carotid IMT.

  18. Effects of active and passive smoking on the development of cardiovascular disease as assessed by a carotid intima-media thickness examination in patients with type 2 diabetes mellitus.

    Science.gov (United States)

    Jiang, Fei; Wang, Jie; Zhang, Rong; Chen, Miao; Peng, Danfeng; Sun, Xue; Yan, Jing; Luo, Yi; Tang, Shanshan; Hu, Cheng; Jia, Weiping

    2015-05-01

    Carotid intima-media thickness has been widely used as a surrogate end-point for cardiovascular disease, myocardial infarction, and stroke. This study aimed to assess the effects of active and passive smoking exposure on the development of cardiovascular disease in patients with type 2 diabetes mellitus. Seven hundred twenty-two patients with type 2 diabetes mellitus were recruited for the study. A standardized questionnaire on smoking status, pack-years of smoking, and the number of years of smoking cessation was provided to the patients, and their responses were collected for analysis. The carotid intima-media thickness, carotid plaque, and the internal diameter of the common carotid artery were determined by high-resolution B-mode ultrasonography. Compared to non-smokers, passive female smokers had a higher risk of cardiovascular disease (odds ratio = 3.50, 95% confidence interval: 1.29-9.49, P = 0.009); they also had a significantly larger common carotid artery (P = 0.041) and risk of carotid plaque (odds ratio = 2.20, 95% confidence interval: 1.1980-4.0505, P = 0.01). Both active and passive male smokers had a significantly greater carotid intima-media thickness than non-smokers (P = 0.003 and P = 0.005, respectively). Male active smokers had a significantly higher risk of carotid plaque (odds ratio = 2.88, 95% confidence interval: 1.4788-5.6094, P = 0.001). In conclusion, cumulative active and passive smoking exposures are significant risk factors for carotid atherosclerosis in patients with type 2 diabetes mellitus. Our results highlight the importance of endorsing a smoke-free environment for patients with type 2 diabetes mellitus.

  19. Correlation between Carotid Artery Intima-Media Thickness and Luminal Diameter with Body Mass Index and Other Cardiovascular Risk Factors in Adults

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    Sameeah A. Rashid

    2015-08-01

    Full Text Available Objectives: This study aimed to examine the correlation between carotid artery intima-media thickness (IMT and luminal diameter (LD with body mass index (BMI and other cardiovascular risk factors. Methods: This observational cross-sectional study took place between June 2013 and March 2014 in the Radiology Department of Rizgary Teaching Hospital in Erbil, Iraq. Non-randomly selected subjects ≥20 years old (n = 140 were divided into BMI groups and evaluated for the following cardiovascular risk factors: gender, age, hypertension (HTN, diabetes (DM, smoking, alcohol consumption, blood pressure, serum total cholesterol and triglyceride (TG levels. IMT and LD of the extracranial carotid arteries were measured by B-mode ultrasonography. Results: The mean IMT was 0.8 ± 0.3 mm, ranging from a total mean of 0.7 mm in the normal BMI group to 1.0 mm in the extremely obese group. A significant correlation was found between IMT and BMI (P = 0.04, but not between BMI and LD (P = 0.3. No significant difference in mean IMT or LD was seen between genders. Significant correlations were found between IMT and age, HTN, DM, high serum cholesterol and TG levels (P <0.001. An increase of one BMI unit caused a 0.009 mm increase in IMT and an increase of one year in age caused a 0.011 mm increase in IMT. Conclusion: Age, obesity, HTN, DM, high serum cholesterol and TG levels were found to have an impact on carotid IMT, which is a strong marker for the early development of atherosclerosis.

  20. An investigation of two-dimensional ultrasound carotid plaque presence and intima media thickness in middle-aged South Asian and European men living in the United kingdom.

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    Nazim Ghouri

    Full Text Available Ultrasound studies of carotid intima media thickness (cIMT and plaques are limited in South Asians, a group at elevated cardiovascular disease (CVD risk. We determined whether South Asians have a difference in these ultrasound markers compared to Europeans living in the United Kingdom and whether measured risk factor(s could account for any such differences.One hundred South Asian men, aged 40 to 70 years and 100 European men of similar age and BMI, without diagnosed CVD or diabetes, underwent carotid ultrasound for measurement of cIMT and carotid plaque presence. Physical activity, cardiorespiratory fitness, anthropometry and blood pressure were assessed, fasted blood taken for measurement of cardiometabolic risk factors and demographic and lifestyle factors recorded.Age-adjusted mean (SD cIMT was similar in South Asians and Europeans (0.64 (0.16 mm v 0.65 (0.12 mm, p = 0.64. Plaque was present in 48 South Asians and 37 Europeans and overall, there was no age-adjusted difference between South Asian and Europeans for plaque score(odds ratio 1.49, 95% CI, 0.86-2.80, p = 0.16, however, South Asians appeared to have more plaques at a younger age than Europeans; at age 40-50 years the odds of South Asians having plaques was 2.63 (95% CI, 1.16-5.93 times that for Europeans.cIMT is similar between healthy South Asian and European men. Whilst there was no overall difference in plaque presence in South Asians, there is an indication of greater plaque prevalence at younger ages--an observation requiring further investigation. Prospective studies linking plaques to CVD outcomes in South Asians are needed to investigate whether these measures help improve CVD risk prediction.

  1. Intima-Media Thickness in the Carotid and Femoral Arteries for Detection of Arteriosclerosis in Human Immunodeficiency Virus-Positive Individuals

    Science.gov (United States)

    Godoi, Emmanuelle Tenório Albuquerque Madruga; Brandt, Carlos Teixeira; Lacerda, Heloisa Ramos; Godoi, Jocelene Tenório Albuquerque Madruga; de Oliveira, Dinaldo Cavalcanti; Costa, Gabriela Farias Araujo Sousa; dos Santos Junior, Gerson Gomes; Leite, Kaliene Maria Estevão; Godoi, Juannicelle Tenório Albuquerque Madruga; de Vasconcelos, Adriana Ferraz

    2017-01-01

    Background The prevalence of atherosclerosis is higher in HIV-positive people, who also experience it earlier than the general population. Objectives To assess and compare the prevalence of atherosclerosis evaluated by the intima-media thickness of carotid and femoral arteries, and by the ankle-brachial pressure index (ABPI) in HIV patients treated or not treated with protease inhibitors (PIs) and controls. Methods Eighty HIV+ subjects (40 using PIs and 40 not using PIs) and 65 controls were included in the study. Atherosclerosis was diagnosed by (carotid and femoral) ITM measurement and ABPI. Classical risk factors for atherosclerosis and HIV were compared between the groups by statistical tests. A p ≤ 0.05 was considered significant. Results An IMT > P75 or the presence of plaque was higher in the HIV+ than in the control group (37.5% vs 19%, p = 0.04). Comparative analysis showed a significant difference (p=0.014) in carotid IMT between HIV+ with PIs (0.71 ± 0.28 mm), without PIs 0.63 ± 0.11 mm and, and controls (0.59 ± 0.11 mm). There was no significant difference in femoral IMT between the groups or in ABPI between HIV+ subjects and controls. However, a significant difference (p=0.015) was found between HIV+ patients not treated with PIs (1.17 [1.08 - 1.23]), and controls 1.08 [1.07 - 1.17]). Conclusion In HIV patients, atherosclerosis is more prevalent and seems to occur earlier with particular characteristics compared with HIV-negative subjects. PMID:28146208

  2. The association of carotid intima media thickness with retinol binding protein-4 and total and high molecular weight adiponectin in type 2 diabetic patients

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    Mansouri Masoumeh

    2012-08-01

    Full Text Available Abstract Background The aim of this study was to investigate whether carotid intima media thickness (CIMT is associated with serum level of retinol- binding protein-4 (RBP4 and total and high molecular weight (HMW adiponectin in type 2 diabetes (T2DM without clinical symptom of atherosclerotic disease. Method 101 type 2 diabetic patients (mean age, 53.63 ± 8.42 years and 42 body mass index (BMI matched control (mean age 50.1 ± 8.4 were recruited. The CIMT was assessed by using B-mode ultrasonography, while serum levels of RBP4 and total and HMW adiponectin were measured by using enzyme linked immunosorbant assay (ELISA. Linear regression analysis was performed with CIMT as dependent variable and adipokines and cardio metabolic risk factors as independent variables. Result The CIMT was higher in diabetic group compared to control group (p Age (B = 0.44 P Conclusion In conclusion, the present study showed that serum levels of RBP4 or total and HMW adiponectin were not potential predictors of CIMT in type 2 diabetic patients who exposed to this risk factor at least for nine years.

  3. Effects of Ramipril and Telmisartan on Plasma Concentrations of Low Molecular Weight and Protein Thiols and Carotid Intima Media Thickness in Patients with Chronic Kidney Disease

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    Angelo Zinellu

    2016-01-01

    Full Text Available Hypertension, a common feature in chronic kidney disease (CKD, is an independent risk factor for CKD progression and cardiovascular disease. Although inhibitors of the renin-angiotensin system (RAS exert salutary effects on blood pressure control and proteinuria in CKD patients, their activity towards traditional and novel oxidative markers is largely unknown. We studied the effects of 6-month treatment with telmisartan versus a combination of telmisartan and ramipril on plasma concentrations of low molecular mass (LMW, including homocysteine and cysteine and protein thiols (PSH plasma concentration and their relationships with carotid intima media thickness (IMT, in 24 hypertensive CKD patients (age 60±12 years, 8 females and 16 males. Pretreatment PSH concentrations were independently associated with IMT (r=-0.42, p=0.039. Neither treatment affected plasma LMW thiols, in both reduced and total form. By contrast, both treatments increased PSH plasma concentrations and reduced IMT, although significant differences were only observed in the combined treatment group. Our results suggest that the beneficial effects of combined RAS inhibitor treatment on IMT in hypertensive CKD patients may be mediated by a reduction of oxidative stress markers, particularly PSH.

  4. Are hepatic steatosis and carotid intima media thickness associated in obese patients with normal or slightly elevated gamma-glutamyl-transferase?

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    Tarantino Giovanni

    2012-03-01

    Full Text Available Abstract Background Hepatic steatosis (HS has been associated with obesity and metabolic syndrome (MS, conditions carrying a high risk of coronary artery disease. We aimed to determine whether HS was an independent factor of atherogenic risk beyond its association with MS and its components. Methods We assessed the circulating levels of the heat shock protein-70 (HSP-70, a chaperone involved in inflammation, endoplasmic reticulum stress and apoptosis at liver and endothelial level and the gamma-glutamyl transferase activity (γ-GT correlating them to carotid intima-media thickness (IMT, along with lipid profile, HOMA, C-reactive protein, fibrinogen, ferritin, adiposity type as well as spleen volume in 52 obese pts with grade 1, 128 with grade 2, and 20 with grade 3 of HS evaluated by sonography. Results Patients with different grade of HS demonstrated overlapping HSP-70 levels; similarly performed obese subjects regarding IMT. Using multiple regression analysis, IMT was predicted by age, visceral adiposity and by HOMA (β = 0.50, p p = 0.01 and β = 0.18, p = 0.048 respectively, while the severity of HS was predicted by visceral and subcutaneous adiposity and HOMA (β = 0.50, p p = 0.001 and β = 0.18, p = 0.024, respectively. Conclusion In our series of patients with normal or mild elevation of γ-GT, the severity of HS does not entail higher IMT, which may be linked to MS stigmata.

  5. Kallistatin as a marker of microvascular complications in children and adolescents with type 1 diabetes mellitus: Relation to carotid intima media thickness.

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    El-Asrar, Mohamed A; Andrawes, Nevine G; Ismail, Eman A; Salem, Shaimaa Mh

    2015-12-01

    In diabetes, angiogenesis is disturbed, contributing to proliferative retinopathy, nephropathy and neuropathy. Kallistatin, a serine proteinase inhibitor, has anti-angiogenic effects. We assessed serum kallistatin in children and adolescents with type 1 diabetes as a potential marker for microvascular complications and its relation to carotid intima media thickness (CIMT). Sixty patients with type 1 diabetes were divided into two groups according to the presence of microvascular complications and compared with 30 healthy controls. High-sensitivity C-reactive protein (hs-CRP), HbA1c, urinary albumin creatinine ratio (UACR), kallistatin levels and CIMT were assessed. Kallistatin levels were significantly higher in patients with microvascular complications (9.9 ± 2.38 ng/mL) and those without complications (5.0 ± 1.5 ng/mL) than in healthy controls (1.39 ± 0.55 ng/mL; pgroup (pblood glucose, HbA1c, triglycerides, total cholesterol, hs-CRP, UACR and CIMT (pdiabetes and its relation with CIMT may reflect vascular dysfunction and suggest a link between micro- and macro-angiopathy.

  6. The effects of vitamin D, K and calcium co-supplementation on carotid intima-media thickness and metabolic status in overweight type 2 diabetic patients with CHD.

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    Asemi, Zatollah; Raygan, Fariba; Bahmani, Fereshteh; Rezavandi, Zohreh; Talari, Hamid Reza; Rafiee, Motahereh; Poladchang, Somayyeh; Darooghegi Mofrad, Manijeh; Taheri, Sara; Mohammadi, Ali Akbar; Esmaillzadeh, Ahmad

    2016-07-01

    This study was conducted to examine the effects of vitamin D, K and Ca co-supplementation on carotid intima-media thickness (CIMT) and metabolic status in overweight diabetic patients with CHD. This randomised, double-blind, placebo-controlled trial was conducted among sixty-six diabetic patients with CHD. Participants were randomly allocated into two groups to take either 5µg vitamin D, 90 µg vitamin K plus 500 mg Ca supplements (n 33) or placebo (n 33) twice a day for 12 weeks. Fasting blood samples were obtained at the beginning of the study and after the 12-week intervention period to determine related markers. Vitamin D, K and Ca co-supplementation resulted in a significant reduction in maximum levels of left CIMT (-0·04 (sd 0·22) v. +0·04 (sd 0·09) mm, P=0·02). Changes in serum vitamin D (+6·5 (sd 7·8) v. +0·4 (sd 2·2) ng/ml, Pvitamin D, K and Ca co-supplementation for 12 weeks among diabetic patients with CHD had beneficial effects on maximum levels of left CIMT and metabolic status. The effect of vitamin D, K and Ca co-supplementation on maximum levels of left CIMT could be a chance finding.

  7. Increased carotid intima-media thickness associated with high hs-CRP levels is a predictor of unstable coronary artery disease.

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    Abhashi, Sejran Ahmet; Kryeziu, Fadil Uke; Nazreku, Feim Durak

    2013-08-01

    Increased values of carotid intima-media thickness (CIMT) and high-sensitivity C-reactive protein (hs-CRP) are predictors of acute coronary events. We analysed the link between CIMT and hs-CRP in cases with coronary artery disease (CAD). From 1 January to 30 June 2012, we evaluated 43 patients with acute coronary syndrome (group A), 50 patients with stable coronary artery disease (group B) and 50 healthy volunteers (group C). All were analysed for CIMT and hs-CRP levels. CIMT values were higher in groups A and B (0.94 ± 0.21 mm, 0.89 ± 0.19 mm, respectively) and lower in group C (0.64 ± 0.09 mm), and this was statistically significant (p hs-CRP were higher in group A (1.87 ± 0.36 mg/l) and lower in groups B and C (1.07 ± 0.28 mg/l, 0.97 ± 0.45 mg/l, respectively) and this was also statistically significant (p < 0.0001).

  8. Rate of change in carotid intima-media thickness and vascular events: meta-analyses can not solve all the issues. A point of view.

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    Bots, Michiel L; Taylor, Allen J; Kastelein, John J P; Peters, Sanne A E; den Ruijter, Hester M; Tegeler, Charles H; Baldassarre, Damiano; Stein, James H; O'Leary, Daniel H; Revkin, James H; Grobbee, Diederick E

    2012-09-01

    Whether a change in the rate of carotid intima-media thickness (CIMT) over time that is induced by a pharmaceutical intervention can be directly translated into change in future cardiovascular disease risk is an important issue. As this biomarker is increasingly used as primary outcome in many trials of the evaluation of novel cardiovascular treatments, this has become an important topic in cardiovascular drug development. Two recent meta-analyses using aggregated data from publication have attempted to address the issue. In our view both analyses suffer from considerable flaws. Flaws include the misuse of the concept of the atherosclerosis, pooling of trials carried out with treatments of heterogeneous efficacy and in patients, who had very different risk profiles; pooling of measurements from a wide variety of methodologies that shared a common name, 'CIMT'; lack of power for detecting relationships using meta-regression techniques, and lastly, the ecologic fallacy. In this article, we discuss the concerns in more detail and offer strategies to get a valid answer on whether therapy-induced change in CIMT indeed relates to change in vascular risk.

  9. Effect of a Mediterranean diet on endothelial progenitor cells and carotid intima-media thickness in type 2 diabetes: Follow-up of a randomized trial.

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    Maiorino, Maria Ida; Bellastella, Giuseppe; Petrizzo, Michela; Gicchino, Maurizio; Caputo, Mariangela; Giugliano, Dario; Esposito, Katherine

    2017-03-01

    Background We assessed the long-term effects of a Mediterranean diet on circulating levels of endothelial progenitor cells (EPCs) and the carotid intima-media thickness (CIMT) in patients with type 2 diabetes. Design This was a parallel, two-arm, single-centre trial. Methods Two hundred and fifteen men and women with newly diagnosed type 2 diabetes were randomized to a Mediterranean diet ( n = 108) or a low-fat diet ( n = 107). The primary outcome measures were changes in the EPC count and the CIMT of the common carotid artery after the treatment period defined as the end of trial (EOT). Results At the EOT, both the CD34(+)KDR(+) and CD34(+)KDR(+)CD133(+) counts had increased with the Mediterranean diet compared with the low-fat diet ( p Mediterranean diet. Compared with the low-fat diet, the rate of regression in the CIMT was higher in the Mediterranean diet group (51 vs. 26%), whereas the rate of progression was lower (25 vs. 50%) ( p = 0.032 for both). Changes in the CIMT were inversely correlated with the changes in EPC levels (CD34(+)KDR(+), r = -0.24, p = 0.020; CD34(+)KDR(+)CD133(+), r = -0.28, p = 0.014). At the EOT, changes in levels of HbA1c, HOMA, total cholesterol, high-density lipoprotein cholesterol and systolic blood pressure were significantly greater with the Mediterranean diet than with the low-fat diet. Conclusion Compared with a low-fat diet, a long-term trial with Mediterranean diet was associated with an increase in circulating EPCs levels and prevention of the progression of subclinical atherosclerosis in patients with newly diagnosed type 2 diabetes.

  10. Visit-to-Visit Low-Density Lipoprotein Cholesterol Variability Is an Independent Determinant of Carotid Intima-Media Thickness in Patients With Type 2 Diabetes

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    Takenouchi, Akiko; Tsuboi, Ayaka; Kitaoka, Kaori; Minato, Satomi; Kurata, Miki; Fukuo, Keisuke; Kazumi, Tsutomu

    2017-01-01

    Background Studies demonstrated that visit-to-visit variability in low-density lipoprotein cholesterol (LDLC) is an independent predictor of cardiovascular events in subjects with coronary artery disease. Whether visit-to-visit variability in LDLC levels affects subclinical atherosclerosis is unknown. This study sought to evaluate the role of visit-to-visit variability in LDLC levels on subclinical atherosclerosis. Methods We evaluated 162 type 2 diabetic patients with measurement of carotid intima-media thickness (IMT). Intrapersonal mean and standard deviation (SD) of six measurements of LDLC during 12 months were calculated. Multivariate linear regressions assessed the independent correlates of carotid IMT. Results The mean and SD of LDLC were 112 ± 22 and 15 ± 10 mg/dL, respectively, and 43.2% of patients were on hypolipidemic drugs. Age (standardized β = 0.355, P index (BMI), waist circumference, duration and treatment of diabetes, means and SDs of glycemic and other lipid variables, and uses of hypolipidemic and anti-hypertensive medications (R2 = 0.15). Results did not change when mean IMT was used instead of maximum IMT. After controlling for age and sex, maximum IMT was thicker in patients with the highest compared to those with other three quartiles of SD-LDLC combined (1.14 ± 0.04 (SE) vs. 1.01 ± 0.02 mm, P = 0.01). Independent determinants of SD-LDLC were mean LDLC, use of hypolipidemic drugs, fasting triglyceride and visit-to-visit variability in HbA1c. Conclusions Consistency of LDLC levels may be important to subclinical atherosclerosis in real-world patients with type 2 diabetes. It may be important for patients on lipid-lowering drugs to prevent non-compliance. PMID:28270891

  11. Comparison of Carotid Intima-Media Thickness in Pediatric Patients with Metabolic Syndrome, Heterozygous Familial Hyperlipidemia and Normals

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    Arvind Vijayasarathi

    2014-01-01

    Full Text Available Background. Our goal was to compare the carotid intimal-medial thickness (CIMT of untreated pediatric patients with metabolic syndrome (MS, heterozygous familial hyperlipidemia (heFH, and MS+heFH against one another and against a control group consisting of healthy, normal body habitus children. Methods. Our population consisted of untreated pediatric patients (ages 5–20 yrs who had CIMT measured in a standardized manner. Results. Our population included 57 with MS, 23 with heFH, and 10 with MS+heFH. The control group consisted of 84 children of the same age range. Mean CIMT for the MS group was 469.8 μm (SD = 67, 443.8 μm (SD = 61 for the heFH group, 478.3 μm (SD = 70 for the MS+heFH group, and 423.2 μm (SD = 45 for the normal control group. Significance differences between groups occurred for heFH versus MS (P=0.022, heFH versus control (P=0.038, MS versus control (P=9.0E-10, and MS+heFH versus control (P=0.003. Analysis showed significant negative correlation between HDL and CIMT (r=-0.32,  P=0.03 but not for LDL, triglycerides, BP, waist circumference, or BMI. Conclusion. For pediatric patients, the thickest CIMT occurred for patients with MS alone or for those with MS+heFH. This indicates that MS, rather than just elevated LDL, accounts for more rapid thickening of CIMT in this population.

  12. Association of Cardiovascular Risk Factors with Carotid Intima Media Thickness in Patients with Rheumatoid Arthritis with Low Disease Activity Compared to Controls: A Cross-Sectional Study.

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    Deborah F van Breukelen-van der Stoep

    Full Text Available Rheumatoid arthritis (RA has been identified as an independent cardiovascular risk factor. The importance of risk factors such as hypertension and hyperlipidemia in the generation of atherosclerosis in RA patients is unclear. This study analyzed clinical parameters associated with carotid intima media thickness (cIMT in patients with RA.Subjects with RA and healthy controls without RA, both without known cardiovascular disease, were included. Participants underwent a standard physical examination and laboratory measurements including a lipid profile. cIMT was measured semi-automatically by ultrasound.In total 243 RA patients and 117 controls were included. The median RA disease duration was 7 years (IQR 2-14 years. The median DAS28 was 2.4 (IQR 1.6-3.2 and 114 (50.4% of the RA patients were in remission. The presence of RA and cIMT were not associated (univariate analysis. Multivariable regression analysis showed that cIMT in RA patients was associated with age (B = 0.006, P<0.001 and systolic blood pressure (B = 0.003, P = 0.003. In controls, cIMT was associated with age (B = 0.006, P<0.001 and smoking (B = 0.097, P = 0.001.cIMT values were similar between RA patients and controls. Hypertension was strongly associated with cIMT in RA patients. After adjustment, no association between cIMT and specific RA disease characteristics was found in this well treated RA cohort.

  13. Both serum apolipoprotein B and the apolipoprotein B/apolipoprotein A-I ratio are associated with carotid intima-media thickness.

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    Fei Huang

    Full Text Available BACKGROUND: Previous studies indicated that apolipoprotein measurements predicted cardiovascular disease (CVD risk; however, associations between apolipoproteins and carotid intima-media thickness (CIMT were less explored. METHODOLOGY AND PRINCIPAL FINDINGS: The cross-sectional study included 6069 participants aged 40 years or older with NGT from Shanghai, China. Serum fasting traditional lipids (total cholesterol [TC], low-density lipoprotein cholesterol [LDL-C], high-density lipoprotein cholesterol [HDL-C] and triglycerides [TG], apoA-I and apoB were assessed. A high-resolution B-mode ultrasonography was performed to measure CIMT. We found CIMT increased progressively across the quartiles of serum apoB (p for trend <0.0001. In logistic regression, concentrations of apoB (odds ratio [OR] 1.27, 95% confidence interval [CI] 1.18-1.36, TC (OR 1.23, 95% CI 1.14-1.32, LDL-C (OR 1.25, 95% CI 1.16-1.34 and TG (OR 1.11, 95% CI 1.04-1.20 were significantly related to elevated CIMT after adjusted for age and sex. Meanwhile, the apoB/apoA-I ratio (OR 1.25, 95% CI 1.17-1.34 related to elevated CIMT. ApoB (OR 1.23, 95% CI 1.00-1.51 and the apoB/apoA-I ratio (OR 1.19, 95% CI 1.04-1.36 remained significantly associated with elevated CIMT, after adjusted for the traditional CVD risk factors including traditional lipids. CONCLUSIONS AND SIGNIFICANCE: There were significant associations between serum apoB, the apoB/apoA-I ratio and elevated CIMT. Serum apoB and the apoB/apoA-I ratio might be independent predictors of early atherosclerosis in NGT.

  14. Genetic polymorphisms in the CD14 gene are associated with monocyte activation and carotid intima-media thickness in HIV-infected patients on antiretroviral therapy.

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    Yong, Yean K; Shankar, Esaki M; Westhorpe, Clare L V; Maisa, Anna; Spelman, Tim; Kamarulzaman, Adeeba; Crowe, Suzanne M; Lewin, Sharon R

    2016-08-01

    HIV-infected individuals on antiretroviral therapy (ART) are at increased risk of cardiovascular disease (CVD). Given the relationship between innate immune activation and CVD, we investigated the association of single-nucleotide polymorphisms (SNPs) in TLR4 and CD14 and carotid intima-media thickness (cIMT), a surrogate measurement for CVD, in HIV-infected individuals on ART and HIV-uninfected controls as a cross-sectional, case-control study. We quantified the frequency of monocyte subsets (CD14, CD16), markers of monocyte activation (CD38, HLA-DR), and endothelial adhesion (CCR2, CX3CR1, CD11b) by flow cytometry. Plasma levels of lipopolysaccharide, sCD163, sCD14, sCX3CL1, and sCCL2, were measured by ELISA. Genotyping of TLR4 and CD14 SNPs was also performed. The TT genotype for CD14/-260SNP but not the CC/CT genotype was associated with elevated plasma sCD14, and increased frequency of CD11b+CD14+ monocytes in HIV-infected individuals. The TT genotype was associated with lower cIMT in HIV-infected patients (n = 47) but not in HIV-uninfected controls (n = 37). The AG genotype for TLR4/+896 was associated with increased CX3CR1 expression on total monocytes among HIV-infected individuals and increased sCCL2 and fibrinogen levels in HIV-uninfected controls. SNPs in CD14/-260 and TLR4/+896 were significantly associated with different markers of systemic and monocyte activation and cIMT that differed between HIV-infected participants on ART and HIV-uninfected controls. Further investigation on the relationship of these SNPs with a clinical endpoint of CVD is warranted in HIV-infected patients on ART.

  15. Associations between blood glucose and carotid intima-media thickness disappear after adjustment for shared risk factors: the KORA F4 study.

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    Bernd Kowall

    Full Text Available OBJECTIVE: The association between blood glucose and carotid intima-media thickness (CIMT is considered to be established knowledge. We aimed to assess whether associations between different measures of glycaemia and CIMT are actually independent of anthropometric variables and metabolic risk factors. Moreover, we checked published studies for the adjustment for shared risk factors of blood glucose and CIMT. METHODS: Fasting glucose, 2-hour glucose, HbA1c, and CIMT were measured in 31-81-years-old participants of the population-based Cooperative Health Research in the Region of Augsburg (KORA F4 study in Southern Germany (n = 2,663. CIMT was assessed according to the Rotterdam protocol. Linear and logistic regression models with adjustment for age, sex, anthropometric measures, hypertension, and dyslipidaemia were fitted to assess the association between continuous measures of glycaemia, and categories of glucose regulation, respectively, with CIMT. RESULTS: We found a 0.10 mm increase (95%-confidence interval: 0.08-0.12 in CIMT in subjects with compared to subjects without diabetes in crude analysis. This increase was not significant in age-sex adjusted models (p = 0.17. Likewise, neither impaired fasting glucose (p = 0.22 nor impaired glucose tolerance (p = 0.93 were associated with CIMT after adjustment for age, sex, and waist circumference. In multivariable adjusted models, age, sex, hypertension, waist circumference, HDL and LDL cholesterol, but neither fasting glucose nor 2-hour glucose nor HbA1c were associated with elevated CIMT. Literature findings are inconclusive regarding an independent association of glucose levels and CIMT. CONCLUSION: CIMT is highly dependent on traditional cardiovascular risk factors, but no relationships between blood glucose and CIMT were found after adjustment for age, sex, and anthropometric variables.

  16. Peripheral Endothelial (DysFunction, Arterial Stiffness and Carotid Intima-Media Thickness in Patients after Kawasaki Disease: A Systematic Review and Meta-Analyses.

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    Sanne M Dietz

    Full Text Available Kawasaki disease (KD is a systemic pediatric vasculitis. Its main complication is the development of coronary arterial aneurysms (CAA, causing an increased risk for ischemia and myocardial infarction. It is unclear whether KD patients, apart from the presence of CAA, have an increased cardiovascular disease (CVD risk due to the previous systemic vasculitis. The aim of this study was to systematically review and meta-analyse the literature regarding surrogate markers for CVD risk in KD patients.Medline and Embase were searched for articles comparing endothelial dysfunction (flow-mediated dilation, nitroglycerin-mediated dilation and peripheral arterial tonometry, vascular stiffness (stiffness index, pulse wave velocity and carotid intima-media thickness (cIMT between patients and controls. Two investigators assessed the articles for eligibility and evaluated quality.Thirty studies were included. For all outcomes, moderate to high heterogeneity between studies was found. Most studies reported a decreased flow-mediated dilation in the whole KD- and CAA-positive group compared to controls, while data on CAA-negative patients were conflicting. The stiffness index was increased in the majority of studies evaluating the whole KD- and CAA-positive group, but not in most studies on CAA-negative patients. Mean cIMT was neither significantly increased in the whole KD-group nor in the CAA-positive group nor in most studies studying CAA-negative patients. Studies measuring maximum cIMT were conflicting.Literature suggests that surrogate markers for CVD risk in KD patients are increased in CAA-positive but not in CAA-negative patients. This may indicate that CAA-positive patients should be monitored for CVD in later life. The results of this review have to be interpreted with care due to substantial heterogeneity between studies and methodological limitations, as well as the lack of long-term follow-up studies.

  17. Correlation of E-selectin concentrations with carotid intima-media thickness and cardio-metabolic profile of mixed ancestry South Africans: a cross-sectional study.

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    Zemlin, Annalise E; Matsha, Tandi E; Kengne, Andre P; Hon, Gloudina M; Erasmus, Rajiv T

    2017-01-01

    Background E-selectin, an adhesion molecule, is a specific marker of endothelial dysfunction. High concentrations have been reported in type 2 diabetes and disorders with high risk of cardiovascular disease (CVD). Measurement of carotid intima-media thickness (CIMT) is a surrogate marker of early atherosclerosis. We examined the relationship between E-selectin concentrations, CIMT and cardio-metabolic traits in normo- and hyperglycaemic mixed ancestry South Africans. Methods E-selectin concentrations were determined in 308 subjects from the Cape Town Bellville South Community-based study on a mixed ancestry population. Their correlation with CIMT and cardio-metabolic profile used robust correlations and linear regression models. Results E-selectin concentrations were significantly higher in the hyperglycaemic (median 139.8 µg/L) compared to the normoglycaemic group (median 118.8 µg/L), ( p = 0.0007). Significant differences between the two groups were found for markers of glycaemia and adiposity, but not for CIMT. Significant correlations were found between E-selectin and age, markers of glycaemia and inflammation, central obesity and lipid variables. Associations remained significant only with age, hyperglycaemia and C-reactive protein in robust linear regression models. In similar regressions models, age and gender were the main predictors of CIMT, which was not associated with E-selectin. Conclusions E-selectin concentrations in this study were associated with hyperglycaemia, possibly reflecting early endothelial damage. However, E-selectin was not useful to assess CIMT, a marker of subclinical atherosclerosis, which appeared to be determined by ageing and male gender.

  18. Early and current physical activity: relationship with intima-media thickness and metabolic variables in adulthood

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    Manoel C. S. Lima

    2014-10-01

    Full Text Available Background: It is unclear whether early physical activity has a greater influence on intima-media thickness and metabolic variables than current physical activity. Objective: To analyze the relationship between current and early physical activity, metabolic variables, and intima-media thickness measures in adults. Method: The sample was composed of 55 healthy subjects of both sexes (33 men and 22 women. Total body fat and trunk fat were estimated by dual-energy X-ray absorptiometry. Carotid and femoral intima-media thickness were measured using a Doppler ultrasound device. A 12-hour fasting blood sample collection was taken (fasting glucose and lipid profile. Early physical activity was assessed through face-to-face interview, and the current physical activity was assessed by pedometer (Digi-Walker Yamax, SW200, which was used for a period of seven days. Results: Current physical activity was negatively related to total cholesterol (rho=-0.31, while early physical activity was negatively related to triglycerides (rho=-0.42, total cholesterol (rho=-0.28, very low density lipoprotein (rho=-0.44, and carotid intima-media thickness (rho=-0.50. In the multivariate model, subjects engaged in sports activities during early life had lower values of very low density lipoprotein (b=-8.74 [b=-16.1; -1.47] and carotid intima-media thickness (b=-0.17 [95%CI: -0.28; -0.05]. Conclusion: Early 95%CI physical activity has a significant influence on carotid intima-media thickness, regardless of the current physical activity.

  19. Carotid Intima-media Thickness Measurements: Relations with Atherosclerosis, Risk of Cardiovascular Disease and Application in Randomized Controlled Trials.

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    Bots, Michiel L; Evans, Gregory W; Tegeler, Charles H; Meijer, Rudy

    2016-01-20

    Advances in the field of carotid ultrasound have been incremental, resulting in a steady decrease in measurement variability. Improvements in edge detection algorithms point toward increasing automation of CIMT measurements. The major advantage of CIMT is that it is completely noninvasive and can be repeated as often as required. It provides a continuous measure since all subjects have a measurable carotid wall. It is also relatively inexpensive to perform, and the technology is widely available. A graded relation between raising LDL cholesterol and increased CIMT is apparent. Increased CIMT has been shown consistently to relate the atherosclerotic abnormalities elsewhere in the arterial system. Moreover, increased CIMT predicts future vascular events in both populations from Caucasian ancestry and those from Asian ancestry. Furthermore, lipid‑lowering therapy has been shown to affect CIMT progression within 12–18 months in properly designed trials with results congruent with clinical events trials. In conclusion, when one wants to evaluate the effect of a pharmaceutical intervention that is to be expected to beneficially affect atherosclerosis progression and to reduce CV event risk, the use of CIMT measurements over time is a valid, suitable, and evidence‑based choice.

  20. Beta-cell function is associated with carotid intima-media thickness independently of insulin resistance in healthy individuals

    DEFF Research Database (Denmark)

    Roussel, Ronan; Natali, Andrea; Balkau, Beverley

    2016-01-01

    Objective: It is a common belief that early atherosclerosis in prediabetes is causally linked to endothelial insulin resistance. Another condition, a low insulin secretion, may be associated with insufficient insulin action on the vascular wall and consequently favor atherosclerosis. Our aim...... was to test this hypothesis in people without diabetes, taking into account the gold-standard measurement of insulin sensitivity, a major confounder in the relationship between insulin secretion and atherosclerosis. Methods: We studied the European Relationship between Insulin Sensitivity and Cardiovascular...... Risk cohort of 451 men and 593 women (44±8 years, mean±SD) who were free of diabetes, hypertension, dyslipidemia, and other known chronic or acute conditions. All underwent an oral glucose tolerance test, a euglycemic-hyperinsulinemic clamp (M/I measured insulin sensitivity), and B-mode carotid...

  1. Relationship between glycemic status and progression of carotid intima-media thickness during treatment with combined statin and extended-release niacin in ARBITER 2

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    Allen J Taylor

    2007-03-01

    Full Text Available Allen J Taylor, Daming Zhu, Lance E Sullenberger, Hyun J Lee, Jeannie K Lee, Karen A Grace Cardiology Service, Walter Reed Army Medical Center, Washington, DC, USA Background: We previously reported in a placebo-controlled study that extended-release niacin slowed the progression of carotid atherosclerosis when added to statin monotherapy. This analysis examines the relationship between glycemic status and the effects of niacin on common carotid intima-media thickness (CIMT and HDL cholesterol.Methods: Post-hoc, subgroup analysis of ARBITER 2, a randomized, placebo-controlled trial of once-daily extended-release niacin (1000 mg added to background statin therapy in 167 patients (mean age 67 years with known coronary heart disease. The primary analysis was a comparison of the primary endpoint, the change in CIMT, between participants with either normal glycemic status, diabetes mellitus (DM or the metabolic syndrome (MS.Results: Baseline cardiovascular risk variables were significantly worse in those with abnormal glycemic status, particularly among subjects with MS. Niacin increased HDL-C to a similar degree (~20% across normals, DM and MS. Placebo-treated patients had the greatest CIMT progression, regardless of glycemic status. The lowest progression rate was observed in niacin treated patients with normal glycemic status. Among all niacin treated subjects, there was a significant linear relationship between change in CIMT and change in HDL-C (r = –0.16; p = 0.05, which was of similar magnitude in subgroups with normal glycemic status (r = –0.23; p = 0.08 and DM (r = –0.22; p = 0.17. In those with MS, there was no relationship between changes in HDL and CIMT, (r = 0.11; p = 0.44, whereas blood glucose was positive correlated to change in CIMT (r = 0.30; p = 0.04. In multivariable linear models controlling for MS characteristics and blood glucose changes, only the change in HDL independently predicted change in CIMT.Conclusions: During

  2. Intima-media thickness of the descending aorta in patients with bicuspid aortic valve

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    Johan Petrini

    2016-06-01

    Conclusions: Intima-media thickness of the descending aorta is not affected by aortic valve morphology (BAV/TAV; age is the main determinant of AoIMT. Genetic markers (SNPs known to influence IMT in the carotid artery seem to correlate to IMT in the descending aorta only in patients with TAV.

  3. Race or vitamin D: A determinant of intima media thickness in obese adolescents?

    Science.gov (United States)

    Carotid intima media thickness (IMT), a predictor of cardiovascular events, is reported to be higher in African-American (AA) vs. White (AW) individuals. We investigated whether racial differences in IMT in obese adolescents could be explained by differences in 25 hydroxy-vitamin D [25(OH)D]. A tota...

  4. Nonalcoholic Fatty Liver Disease is Associated with Increased Carotid Intima-Media Thickness in Type 1 Diabetic Patients

    Science.gov (United States)

    Zhang, Lei; Guo, Kaifeng; Lu, Junxi; Zhao, Fangya; Yu, Haoyong; Han, Junfeng; Bao, Yuqian; Chen, Haibing; Jia, Weiping

    2016-01-01

    A growing body of evidence suggests that NAFLD is associated with an increased risk of incident CVD events both in patients without diabetes and in those with type 2 diabetes (T2DM). However, no published data are available regarding the association between NAFLD and C-IMT in T1DM. A total of 722 patients (371 men) with T1DM were included in this cross-sectional study. The main outcome measures were detection of NAFLD, C-IMT and classical risk factors. The mean age of the subjects was 46.2 years, and 51.1% were male. The prevalence of NAFLD was 15.9%. NAFLD patients had a markedly greater C-IMT (0.81 ± 0.25 vs. 0.69 ± 0.18 mm; p < 0.001) and frequency of carotid plaque (28.9% vs. 16.9%; p < 0.05) than those without fatty liver. Moreover, the differences in C-IMT remained after adjusting for potential confounders. A stepwise linear regression analysis revealed that age (standardized β, 0.326; p < 0.001), NAFLD (standardized β, 0.151, p < 0.001), and hsCRP (standardized β, 0.115, p = 0.008) were independently associated with C-IMT in all subjects. Our data show NAFLD is associated with elevated C-IMT in T1DM independent of conventional cardiovascular disease risk factors. PMID:27226159

  5. Lack of Association between ABO, PPAP2B, ADAMST7, PIK3CG, and EDNRA and Carotid Intima-Media Thickness, Carotid Plaques, and Cardiovascular Disease in Patients with Rheumatoid Arthritis

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    Raquel López-Mejías

    2014-01-01

    Full Text Available Introduction. Rheumatoid arthritis (RA is a polygenic disease associated with accelerated atherosclerosis and increased cardiovascular (CV mortality. Recent studies have identified the ABO rs579459, PPAP2B rs17114036, and ADAMTS7 rs3825807 polymorphisms as genetic variants associated with coronary artery disease and the PIK3CG rs17398575 and EDNRA rs1878406 polymorphisms as the most significant signals related to the presence of carotid plaque in nonrheumatic Caucasian individuals. Accordingly, we evaluated the potential relationship between these 5 polymorphisms and subclinical atherosclerosis (assessed by carotid intima-media thickness (cIMT and presence/absence of carotid plaques and CV disease in RA. Material and Methods. 2140 Spanish RA patients were genotyped for the 5 polymorphisms by TaqMan assays. Subclinical atherosclerosis was evaluated in 620 of these patients by carotid ultrasonography technology. Results. No statistically significant differences were found when each polymorphism was assessed according to cIMT values and presence/absence of carotid plaques in RA, after adjusting the results for potential confounders. Moreover, no significant differences were obtained when RA patients were stratified according to the presence/absence of CV disease after adjusting for potential confounders. Conclusion. Our results do not confirm association between ABO rs579459, PPAP2B rs17114036, ADAMTS7 rs3825807, PIK3CG rs17398575, and EDNRA rs1878406 and subclinical atherosclerosis and CV disease in RA.

  6. Novel markers of endothelial dysfunction and inflammation in Behçet's disease patients with ocular involvement: epicardial fat thickness, carotid intima media thickness, serum ADMA level, and neutrophil-to-lymphocyte ratio.

    Science.gov (United States)

    Yuksel, Murat; Yildiz, Abdulkadir; Oylumlu, Mustafa; Turkcu, Fatih Mehmet; Bilik, Mehmet Zihni; Ekinci, Aysun; Elbey, Bilal; Tekbas, Ebru; Alan, Sait

    2016-03-01

    The etiology of Behçet's disease (BD) has not been fully elucidated. However, immunological and environmental factors, endothelial dysfunction (ED), and genetic susceptibility have been proposed to play a role. In this study, we aimed to evaluate epicardial fat thickness (EFT) together with serum asymmetric dimethylarginine (ADMA), carotid intima media thickness (CIMT), and neutrophil-to-lymphocyte ratio (NLR) in BD patients with ocular involvement. Thirty-six ocular BD patients (17 active and 19 inactive ocular involvement), and 35 age and sex-matched healthy controls were enrolled to this cross-sectional study. All patients underwent examinations with transthoracic echocardiography and carotid Doppler ultrasound. Serum ADMA levels, CIMT, EFT, and NLR were compared between groups, and their association with disease activity was evaluated. Behçet's disease patients had higher WBC counts, neutrophil counts, NLR, CIMT, EFT values, and serum ADMA levels than do healthy controls. The other biochemical, hematological, and echocardiographic parameters were comparable between the two groups. Behçet's disease duration was positively correlated with EFT and CIMT. Multivariate logistic regression analysis revealed that increased serum ADMA concentration and CIMT are independently associated with BD. Neutrophil counts, NLR, and serum ADMA level were higher, and lymphocyte count was lower in patients with active ocular BD compared to those of inactive ocular BD group. Carotid intima media thickness, serum ADMA level, EFT, and NLR were increased in ocular BD patients compared to healthy subjects. In addition, both serum ADMA level and NLR were associated with disease activity of ocular involvement. Increase in disease duration was associated with increase in CIMT and EFT which suggests that anatomical changes occur in time during the disease course. Increased CIMT, serum ADMA level, EFT, and NLR may provide new clues about the role of ED and inflammation in the

  7. HIV Infection Is Not Associated with Carotid Intima-Media Thickness in Brazil: A Cross-Sectional Analysis from the INI/ELSA-Brasil Study

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    Grinsztejn, Beatriz; da Fonseca, Maria de Jesus M.; Griep, Rosane Härter; Lotufo, Paulo; Bensenor, Isabela; Mill, José G.; Moreira, Rodrigo de C.; Moreira, Ronaldo I.; Friedman, Ruth K.; Santini-Oliveira, Marilia; Cardoso, Sandra W.; Veloso, Valdiléa G.; Chor, Dóra

    2016-01-01

    Background Carotid intima-media thickness (cIMT) has been used as an early marker of atherosclerotic disease in the general population. Recently its role among HIV-infected patients has been questioned. To date, no Brazilian study has compared cIMT in respect to HIV status. Methods We compared data from 535 patients actively followed in a prospective cohort in Rio de Janeiro (HIV group); 88 HIV-negative individuals who were nominated by patients (friend controls–FCs); and 10,943 participants of the ELSA-Brasil study. Linear regression models were used to study associations of the 3 groups and several covariables with cIMT. Propensity scores weighting (PSW) were also employed to balance data. Results Median thickness in mm (IQR) were 0.54 (0.49,0.62); 0.58 (0.52,0.68); and 0.57 (0.49,0.70), HIV, FCs and ELSA-Brasil groups, respectively (p-value<0.001). The best linear model chosen did not include the group variables, after adjusting for all the variables chosen, showing no difference of cIMT across groups. Similar results were obtained with PSW. Several traditional CVD risk factors were also significantly associated with cIMT: female gender, higher education and higher HDL were negatively associated while risk factors were older age, current/former smoker, AMI/stroke family history, CVD history, hypertension, DM, higher BMI and total cholesterol. Conclusions We show for the first time in a middle-income setting that cIMT, is not different in HIV-infected patients in Rio de Janeiro compared with 2 different groups of non-HIV-infected individuals. Traditional CVD risk factors are associated with this outcome. Our results point out that high standards of care and prevention for CVD risk factors should always be sought both in the HIV-infected and non-infected populations to prevent CVD-related events. PMID:27391355

  8. Association between carotid intima-media thickness and adiponectin in participants without diabetes or cardiovascular disease of the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil).

    Science.gov (United States)

    de Almeida-Pititto, Bianca; Ribeiro-Filho, Fernando Flexa; Santos, Itamar S; Lotufo, Paulo A; Bensenor, Isabela M; Ferreira, Sandra Rg

    2017-01-01

    Objective The study assessed the association of adiponectin concentration with carotid intima-media thickness (CIMT) in middle-aged participants of the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) without diabetes or cardiovascular disease. Design Cross-sectional analyses. Methods A sample of 687 individuals (35-54 years old) without diabetes or cardiovascular disease was stratified into two categories according to CIMT (< or ≥ 75th percentile). Traditional risk factors, C-reactive protein and adiponectin values were compared between categories by Student's t-test and frequencies by chi-square test. In linear regression models, associations of CIMT with adiponectin, adjusted for adiposity, blood pressure, C-reactive protein and homeostasis model assessment-insulin resistance were tested. Mean CIMT values were compared across quartiles of adiponectin concentrations using analysis of variance. Results Three hundred and forty-one individuals (49.6%) were women and 130 (19.0%) had three traditional cardiovascular risk factors. Those with elevated CIMT (21.8%) had greater mean values of body mass index (26.2(3.8) vs. 27.7(4.0)kg/m(2), p < 0.001), waist circumference (86.9(10.1) vs. 90.1(10.8) cm, p = 0.001), systolic blood pressure (116.2(13.6) vs.121.2(16.1) mmHg, p < 0.001), homeostasis model assessment index (1.4(0.9-2.4) vs. 1.8(1.1-2.9), p = 0.011), C-reactive protein (1.2 (0.6-2.6) vs. 1.4(0.8-3.2) mg/l, p = 0.054) and adiponectin (9.9 (6.0-14.7) vs. 8.9 (5.3-13.8) µg/ml, p = 0.002) levels than the counterpart, while plasma glucose and lipids were not different between groups. In the adjusted model, blood pressure (directly) and adiponectin (inversely) persisted associated with high CIMT. Mean CIMT was greater in the first quartile of adiponectin when compared with the other three quartiles ( p = 0.019). Conclusions Lower adiponectin levels together with higher blood pressure were independently associated with

  9. The triple line pattern on carotid intima media thickness imaging and its relationship to cardiovascular risk factors in patients on lipid lowering therapy

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    Singh TA

    2014-06-01

    Full Text Available Tania A Singh,1 Todd C Villines,2 Allen J Taylor31Division of Cardiology, Medstar Georgetown University Hospital, 2Walter Reed National Military Medical Center, Bethesda, MD, 3Georgetown University School of Medicine, Washington, DC, USA Background: Carotid intima media thickness (CIMT infrequently identifies a triple line pattern (TLP in the visualization of the internal elastic lamina. We examined the prevalence and predictors of the TLP among a consecutive series of subjects enrolled in a CIMT clinical trial, and also the effects of lipid lowering therapy.Methods: Baseline CIMT studies of subjects with known heart disease, or high risk for heart disease, were evaluated from a single site of the Arterial Biology for the Investigation of the Treatment Effects of Reducing Cholesterol 6-HDL and LDL Treatment Strategies in Atherosclerosis trial (N=120. One sonographer obtained four views of the right and left far wall common CIMT, using a 13 MHz ultrasound probe. Images were blindly reviewed for the presence of the TLP. The TLP was defined as absent (0, possible (1, or definite (2. A composite score from all four views was calculated. A patient was defined as having the TLP if the composite score was ≥4. Univariate predictors of the TLP were explored. Follow-up ultrasounds at 14 months were also reviewed for presence of the TLP.Results: The prevalence of the TLP at baseline was 22.5%. Among cardiovascular risk variables, systolic blood pressure was significantly higher in subjects displaying the TLP (141.3±15.6 mmHg versus 133.1±18.4 mmHg; P=0.036. There were no differences among those with, and without, the TLP, with respect to other cardiovascular risk variables (age, sex, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, C-reactive protein, glucose, weight, waist girth, tobacco use, medications, quantitative CIMT, or image quality. During ongoing lipid lowering therapy, the prevalence of the TLP increased to 54

  10. The Clinical Significance of VEGF and carotid intima-media thickness in Obstructive sleep apnea syndrome%VEGF和IMT测定对OSAS的临床意义

    Institute of Scientific and Technical Information of China (English)

    李慧; 钟定; 李莉

    2012-01-01

    Objective To explore the relationship between Vascular endothelial growth factor ( VEGF ), carotid intima-media thickness ( IMT ) and Obstructive sleep apnea syndrome ( OSAS ). Methods 30 male OSAS patients and 25 cases of normal subjects were selected to conduct sleep apnea monitoring by polysomnography. The level of VEGF in plasma was measured and the carotid IMT was evaluated. Their differences and the correlation with sleep monitoring index were analyzed. Results Compared with the control group, the AHI, hypoxia time at night, VEGF and IMT in OSAS increased more obviously, while the Lowest oxygen saturation decreased more obviously, and the differences were statistically significant ( P <0. 05 ). The VEGF positively correlated with AHI, night hypoxia time ( P <0. 05 ), but negatively correlated with lowest oxygen saturation ( P <0. 05 ). Carotid IMT was positively correlated with AHI ( P <0. 05 ), and negatively correlation with lowest oxygen saturation ( P < 0. 05 ). Conclusion VEGF may play an important role in the pathogenesis of patients with OSAS, which provides new ideas for early prevention OSAS patients with cardiovascular complications.%目的 探讨血管内皮生长因子(VEGF)、颈动脉内膜中层厚度(IMT)与OSAS患者的关系.方法 选取男性OSAS患者30例和体检正常者25例进行多导睡眠监测,评估呼吸暂停低通气指数(AHI)、夜间缺氧时间、最低血氧饱和度差异.同时,检测外周血中的VEGF水平和颈动脉内膜中层厚度(IMT),并分析其差异及与睡眠监测指标相关性.结果 与对照组比较,OSAS患者呼吸暂停低通气指数(AHI)、夜间缺氧时间、IMT、VEGF较明显增高,最低血氧饱和度明显降低,差异有统计学意义(P均<0.05);相关性分析显示,血浆VEGF与AHI、夜间缺氧时间正相关(P<0.05),与最低血氧饱和度负相关(P<0.05).颈动脉IMT与AHI正相关(P<0.05),与最低血氧饱和度负相关(P<0.05).结论 VEGF可能在OSAS患者发病

  11. Arterial intima-media thickness in children heterozygous for familial hypercholesterolaemia.

    Science.gov (United States)

    Wiegman, Albert; de Groot, Eric; Hutten, Barbara A; Rodenburg, Jessica; Gort, Johan; Bakker, Henk D; Sijbrands, Eric J G; Kastelein, John J P

    2004-01-31

    Patients with familial hypercholesterolaemia have severe coronary-artery disease early in adult life. Whether lipid-lowering treatment should be started in childhood remains to be established. We therefore assessed 201 children heterozygous for familial hypercholesterolaemia and 80 unaffected siblings (both age ranges 8-18 years) with B-mode ultrasound to measure carotid wall intima-media thickness. Mean combined carotid intima-media thickness of heterozygotes was significantly greater than that of unaffected siblings (0.494 mm [SD 0.051] vs 0.472 [SD 0.049], p=0.002). A significant deviation in intima-media thickness was noted from age 12 years in children with familial hypercholesterolaemia. Findings on multivariate analysis showed LDL cholesterol, age, and sex to be strong and independent predictors of intima-media thickness. Since raised LDL cholesterol concentrations can be lowered efficiently, clinical studies are needed to investigate long-term safety and effectiveness of statin treatment in children with familial hypercholesterolaemia.

  12. Increased intima-media thickness after early-onset preeclampsia

    NARCIS (Netherlands)

    Blaauw, Judith; van Pampus, Maria G; Van Doormaal, Jasper J; Fokkema, M Rebecca; Fidler, Vaclav; Smit, Andries J; Aarnoudse, Jan G

    2006-01-01

    OBJECTIVE: Preeclampsia is associated with cardiovascular atherosclerotic events later in life. However, little is known about earlier subdinical signs of atherosclerosis. We aimed to investigate whether women who recently had preeclampsia show increased intima-media thickness (IMT), as marker of ea

  13. 心脏瓣膜钙化与颈动脉内膜中层厚度的相关性研究%Relationship of Heart Valve Calcification and Carotid Intima Media Thickness

    Institute of Scientific and Technical Information of China (English)

    贾彦青; 党群; 姚民强; 李永健

    2012-01-01

    目的:研究心脏瓣膜钙化程度与颈动脉内膜中层厚度、斑块积分的相关性.方法:用经胸多普勒超声显像仪评估426例患者心脏瓣膜钙化情况,根据瓣膜钙化诊断标准将所有患者分为无钙化组、轻度钙化组、中度钙化组和重度钙化组.比较4组间的一般资料、病史、血压、血脂,同时测量4组患者颈动脉内膜中层厚度、软斑块积分、硬斑块积分及总斑块积分.结果:4组间的年龄、性别、体质量指数、吸烟情况、总胆固醇、三酰甘油、高密度脂蛋白胆固醇,低密度脂蛋白胆固醇差异无统计学意义;瓣膜钙化程度与冠心病患病率、收缩压、脉压、颈动脉内膜中层厚度、总斑块积分、硬斑块积分呈正相关(r.分别为0.546、0.628、0.512、0.802、0.628、0.544,均P<0.001),与舒张压、软斑块积分无相关性.结论:心脏瓣膜钙化程度可作为推测颈动脉内膜中层厚度、总斑块积分、硬斑块积分的一个重要指标.%Objective:To investigate the relationship between the degree of heart valve calcification and carotid intima media thickness and plaque integral. Methods: The valve calcification was assessed using transthoracic Doppler ultrasound imaging in 426 patients. All patients were divided into four groups according to the diagnostic criteria, including no calcification group, mild calcification group, moderate and severe calcification group. The general information, medical history, blood pressure, blood lipids were compared between four groups. The intima media thickness, suft plaque score, hard plaque score and the total plaque score of carotid artery were also measured in patients of four groups. Results: There were no significant differences in age, gender, body mass index, smoking status, total cholesterol, triglycerides, high density lipoprotein and low density lipoprotein between four groups. The degree of valve calcification was positively correlated with

  14. Data on carotid intima-media thickness and lipoprotein subclasses in type 1 diabetes from the Diabetes Control and Complications Trial and the Epidemiology of Diabetes Interventions and Complications (DCCT/EDIC).

    Science.gov (United States)

    Basu, Arpita; Jenkins, Alicia J; Zhang, Ying; Stoner, Julie A; Klein, Richard L; Lopes-Virella, Maria F; Timothy Garvey, W; Lyons, Timothy J

    2016-03-01

    Type 1 diabetes (T1DM) is associated with increased risk of macrovascular complications. We examined longitudinal associations of serum conventional lipids and nuclear magnetic resonance (NMR)-determined lipoprotein subclasses with carotid intima-media thickness (IMT) in adults with T1DM (n=455) enrolled in the Diabetes Control and Complications Trial (DCCT). Data on serum lipids and lipoproteins were collected at DCCT baseline (1983-89) and were correlated with common and internal carotid IMT determined by ultrasonography during the observational follow-up of the DCCT, the Epidemiology of Diabetes Interventions and Complications (EDIC) study, at EDIC 'Year 1' (199-1996) and EDIC 'Year 6' (1998-2000). This article contains data on the associations of DCCT baseline lipoprotein profiles (NMR-based VLDL & chylomicrons, IDL/LDL and HDL subclasses and 'conventional' total, LDL-, HDL-, non-HDL-cholesterol and triglycerides) with carotid IMT at EDIC Years 1 and 6, stratified by gender. The data are supplemental to our original research article describing detailed associations of DCCT baseline lipids and lipoprotein profiles with EDIC Year 12 carotid IMT (Basu et al. in press) [1].

  15. Patients with Obstructive Sleep Apnea Display Increased Carotid Intima Media: A Meta-Analysis

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    Rashid Nadeem

    2013-01-01

    Full Text Available Background. Obstructive sleep apnea (OSA is associated with coronary artery disease. Intermittent hypoxia associated with OSA increases sympathetic activity and may cause systemic inflammation, which may contribute to atherosclerosis leading to an increase in the size of carotid intima media thickness (CIMT. Methods. PubMed and Cochrane library were reviewed by utilizing different combinations of key words: sleep apnea, carotid disease, intima media thickness, and carotid atherosclerosis. Inclusion criteria were English articles; studies with adult population with OSA and without OSA; CIMT recorded by ultrasound in mean and standard deviation or median with 95% confidence interval; and OSA defined as apnea hypopnea index of ≥5/h. A total of 95 studies were reviewed for inclusion, with 16 studies being pooled for analysis. Results. Ninety-five studies were reviewed, while 16 studies were pooled for analysis; since some studies have more than one data set, there were 25 data sets with 1415 patients being pooled for meta-analysis. All studies used ultrasound to measure CIMT. CIMT standardized difference in means ranged from −0.883 to 8.01. The pooled standardized difference in means was 1.40 (lower limit 0.996 to upper limit 1.803, (P<0.0001. Conclusion. Patients with OSA appear to have increased CIMT suggestive of an atherosclerotic process.

  16. Role of Vitamin D in Intima Media Thickness in Patients with Type 1 Diabetes Mellitus.

    Science.gov (United States)

    Taskiran, Bengur; Cansu, Guven B; Bahadir, Eylem; Mutluay, Ruya

    2017-01-01

    Increased carotid intima media thickness indicates subclinical atherosclerosis. We evaluated the relation between vitamin D level and intima media thickness in patients with type 1 DM. 93 patients (female/male: 48/45, aged 31.5 ± 11.9 years, A1c 9.48 ± 2.43, vitamin D [15.9 (12.1-19.2)]) with type 1 DM were included into the study. Common carotid artery IMT was measured by real time B mode ultrasonography (MyLab 70 XVG, Esaote SpA, Genoa, Italy). Vitamin D was measured using radioimmunassay. Male and female patients (n = 14, 15%) had similar rates of plaque presence (p = 0.377). IMT was similar according to gender. IMT [0.45 (0.40-0.50)] was positively correlated with age, duration of diabetes, creatinine, LDL/HDL ratio, and ALP. Median IMT was higher in current smokers, patients with retinopathy, and nephropathy, and overweight/obese patients. IMT was not different according to vitamin D status. However calcium level corrected for albumin was in positive correlation with mean IMT (r = 0.221, p = 0.033). We detected high frequency of vitamin D deficiency (78%) defined as less than 20 ng/ml. Vitamin D and diabetes control defined as A1c have no effect on intima media thickness in type 1 DM. Traditional cardiovascular risk factors including age, duration of DM, smoking, and BMI adversely affect intima media thickness.

  17. Intima-media thickness and pulse wave velocity in hypertensive adolescents.

    Science.gov (United States)

    Gil, Tae Young; Sung, Choi Youn; Shim, Sung Shine; Hong, Young Mi

    2008-02-01

    Increased intima-media thickness (IMT) and pulse wave velocity (PWV) are noninvasive markers of early arterial wall alteration and are more widely used in adult clinical research. We investigated whether IMT and PWV are useful predictors of cardiovascular risk in hypertensive adolescents. Fifteen hypertensive adolescents (13-18 yr old, systolic BP > or = 140 mmHg, diastolic BP > or = 90 mmHg) and seventeen normotensive subjects were included. Height, weight, obesity index, body mass index (BMI), and fat distribution were obtained from each group. Serum lipid, insulin, vitamine B12, folate, renin, aldosterone, angiotensin-converting enzyme (ACE), and homocysteine levels were compared. The carotid IMT and PWV were measured. Arterial wall compliance and distensibility were calculated with the equation. High systolic blood pressure significantly correlated with height, weight, BMI, obesity index, arm circumference, fat mass, and fat distribution. Hypertensive adolescents had significantly greater cIMT (carotid intima-media thickness) and lower elastic properties such as cross-sectional compliance and distensibility of the carotid artery. The carotid IMT significantly correlated with brachial-ankle PWV. In conclusion, the measurement of carotid IMT and brachial-ankle PWV might be useful to predict the development of atherosclerosis in hypertensive adolescents.

  18. Carotid intima-media thickness measurement in ultrasound image based on deep learning%基于深度学习的颈动脉超声图像内中膜厚度测量

    Institute of Scientific and Technical Information of China (English)

    孙萍; 李锵; 关欣; 滕建辅

    2016-01-01

    Objective The common carotid artery intima-media thickness (IMT) is a widely accepted and important marker of early atherosclerosis,and measurement of IMT based on manual tracing is time-consuming and complicated.A fully automatic segmentation (AS) method was proposed in this study for the IMT measurement to overcome the drawbacks.Methods First,convolutional neural network (CNN) was applied to identify carotid artery distal and region of interest (ROI) was extracted,which included intima-media complex (IMC).The pattern classifier based on the stacked auto encoder (SAE) was added to classify pixels of ROI.Reliable classification regions were chosen based on region area and region center,and the IMT measurement was completed by extracting final boundary with the method of curve fitting.A total of 84 ultrasound images from 84 corresponding patients were tested with the proposed method.The ground truth (GT) of IMT was manually measured for four times by two experts and then averaged,and the automatic segmented IMT was computed using the proposed method.Results The mean of the absolute error and standard deviation between AS and GT IMT was (13.3±20.5) μm,and the correlation coefficient was 0.990 7.Conclusions Experimental results show that the over all performance of the proposed method is better,and it can achieve automatic,fast and accurate segmentation of intima-media of common carotid artery,which satisfy the clinical requirements.%目的 颈动脉血管内中膜厚度(IMT)是衡量动脉粥样硬化程度的重要标准.一般采用人工标定进行测量,该过程耗时且繁琐,由此提出一种总体性能较好的全自动分割(AS)算法.方法 该算法首先利用卷积神经网络(CNN)识别出颈动脉血管远端,进而提取包含颈动脉内膜、中膜部分的感兴趣区域(ROI).采用基于堆栈式自编码器(SAE)构造的模式分类器将ROI中的像素进行分类.最后利用分类区域的面积信息和位置信息对分类结果进行

  19. Update of the effect estimates for common variants associated with carotid intima media thickness within four independent samples: The Bonn IMT Family Study, the Heinz Nixdorf Recall Study, the SAPHIR Study and the Bruneck Study.

    Science.gov (United States)

    Geisel, Marie H; Coassin, Stefan; Heßler, Nicole; Bauer, Marcus; Eisele, Lewin; Erbel, Raimund; Haun, Margot; Hennig, Frauke; Moskau-Hartmann, Susanna; Hoffmann, Barbara; Jöckel, Karl-Heinz; Kedenko, Lyudmyla; Kiechl, Stefan; Kollerits, Barbara; Mahabadi, Amir-Abbas; Moebus, Susanne; Nürnberg, Gudrun; Nürnberg, Peter; Paulweber, Bernhard; Vens, Maren; Willeit, Johann; Willeit, Karin; Klockgether, Thomas; Ziegler, Andreas; Scherag, André; Kronenberg, Florian

    2016-06-01

    Carotid intima media thickness (cIMT) is a marker for subclinical atherosclerosis. The most recent genome-wide association meta-analysis (GWAMA) from the CHARGE consortium identified four genomic regions showing either significant (ZHX2, APOC1, PINX1) or suggestive evidence (SLC17A4) for an association. Here we assess these four cIMT loci in a pooled analysis of four independent studies including 5446 individuals by providing updated unbiased effect estimates of the cIMT association signals. The pooled estimates of our four independent samples pointed in the same direction and were similar to those of the GWAMA. When updating the independent second stage replication results from the earlier CHARGE GWAMA by our estimates, effect size estimates were closer to those of the original CHARGE discovery. A fine-mapping approach within a ±50 kb region around each lead SNP from CHARGE revealed 27 variants with larger estimated effect sizes than the lead SNPs but only three of them showed a r(2) > 0.40 with these respective lead SNPs from CHARGE. Some variants are located within potential functional loci.

  20. The estimated GFR, but not the stage of diabetic nephropathy graded by the urinary albumin excretion, is associated with the carotid intima-media thickness in patients with type 2 diabetes mellitus: a cross-sectional study

    Directory of Open Access Journals (Sweden)

    Ishida Hidenori

    2010-05-01

    Full Text Available Abstract Background To study the relationship between the intima-media thickness (IMT of the carotid artery and the stage of chronic kidney disease (CKD based on the estimated glomerular filtration rate (eGFR and diabetic nephropathy graded by the urinary albumin excretion (UAE in the patients with type 2 diabetes mellitus. Methods A cross-sectional study was performed in 338 patients with type 2 diabetes mellitus. The carotid IMT was measured using an ultrasonographic examination. Results The mean carotid IMT was 1.06 ± 0.27 mm, and 42% of the subjects showed IMT thickening (≥ 1.1 mm. Cerebrovascular disease and coronary heart disease were frequent in the patients with IMT thickening. The carotid IMT elevated significantly with the stage progression of CKD (0.87 ± 0.19 mm in stage 1, 1.02 ± 0.26 mm in stage 2, 1.11 ± 0.26 mm in stage 3, and 1.11 ± 0.27 mm in stage 4+5. However, the IMT was not significantly different among the various stages of diabetic nephropathy. The IMT was significantly greater in the diabetic patients with hypertension compared to those without hypertension. The IMT positively correlated with the age, the duration of diabetes mellitus, and the brachial-ankle pulse wave velocities (baPWV, and negatively correlated with the eGFR. In a stepwise multivariate regression analysis, the eGFR and the baPWV were independently associated with the carotid IMT. Conclusions Our study is the first report showing a relationship between the carotid IMT and the renal parameters including eGFR and the stages of diabetic nephropathy with a confirmed association between the IMT and diabetic macroangiopathy. Our study further confirms the importance of intensive examinations for the early detection of atherosclerosis and positive treatments for hypertension, dyslipidaemia, obesity, as well as hyperglycaemia are necessary when a reduced eGFR is found in diabetic patients.

  1. 高血压与颈动脉粥样硬化相关性的研究进展%Relationship between level of blood pressure and intima-media thickness of carotid artery

    Institute of Scientific and Technical Information of China (English)

    陈齐军; 刘彬; 杨潘杰; 曾文真

    2014-01-01

    The primary hypertension (PH) is a global multiple diseases, initially the main performance are blood pressure, then accompanied by multiple target organ damage and metabolic disorders of systemic disease. PH is an independent risk factor for atherosclerosis, which can lead atherosclerosis of aorta, carotid, cerebral artery, coronary, renal artery, superior mesenteric artery and limbs artery, causing cerebral vascular accident, coronary atherosclerotic heart disease, chronic renal failure and other serious diseases. Carotid artery is relatively superficial, the lesions appear earlier, and the examinations are noninvasive, convenient and accurate. The change of carotid intima-media thickness and atheromatous plaque, may well reflect the influence of PH on systemic atherosclerosis, as well as the relationship between different blood pressure and atherosclerosis. Therefore, early recognition and accurate assessment on carotid artery disease of patients with PH, would have great significance on early prevention, efficacy evaluation and prognosis of the disease.%原发性高血压是一种全球性多发性疾病,起初是以血压升高为主要表现,继而伴有多个靶器官功能损害和代谢紊乱的全身性疾病。原发性高血压是动脉粥样硬化的独立危险因素,可导致主动脉、颈动脉、脑动脉、冠状动脉、肾动脉、肠系膜动脉及四肢动脉等的粥样硬化,从而引发脑血管意外、冠状动脉粥样硬化性心脏病、慢性肾功能不全等严重疾病。颈动脉较为表浅,病变出现较早,颈动脉内膜-中膜厚度的改变及粥样斑块情况可较好地反映原发性高血压对全身动脉粥样硬化的影响,以及不同血压水平与动脉粥样硬化发生的关系。因此,对原发性高血压患者颈动脉病变的早期识别和准确评价,对疾病的早期防治和疗效评估及预后有重大意义。

  2. Social mobility and subclinical atherosclerosis in a middle-income country: Association of intra- and inter-generational social mobility with carotid intima-media thickness in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil).

    Science.gov (United States)

    Guimarães, Joanna M N; Clarke, Philippa; Tate, Denise; Coeli, Claudia Medina; Griep, Rosane Harter; Fonseca, Maria de Jesus Mendes da; Santos, Itamar S; Melo, Enirtes Caetano Prates; Chor, Dora

    2016-11-01

    Over the past half century Brazil has undergone a process of dramatic industrialization and urbanization. Cardiovascular diseases (CVD) have become common due to rapid demographic, epidemiologic, and nutritional transitions. The association of social mobility with subclinical CVD has been rarely explored, particularly in developing societies. We investigated the association of intra- and inter-generational social mobility with carotid intima-media thickness (IMT), a marker of subclinical or asymptomatic atherosclerosis, in a large Brazilian sample (ELSA-Brasil). We used baseline data (2008-2010) for 7343 participants from ELSA-Brasil. Intra-generational social mobility was defined as the change in occupational social class between participants' first occupation and current occupation. Inter-generational social mobility was defined as the change in occupational social class of the head of the household when the participant started working and participants' current occupation. Social mobility groups were classified as: stable high (reference), upward, downward and stable low. Linear regression models were used to examine the associations between type of social mobility and IMT. Compared to those who experienced stable high occupational status across generations, downward inter-generational mobility was associated with greater IMT. Additionally, those who declined the most in occupational status had the highest values of IMT, even after adjustments for lifestyle and cardiovascular factors. For intra-generational mobility, stable low versus stable high social mobility was independently associated with higher IMT. Subclinical atherosclerosis is patterned by socioeconomic status both within and across generations, demonstrating an association even before symptoms of CVD appear. The health consequences of downward inter-generational social mobility were not fully explained by lifestyle and cardiovascular factors, whereas being consistently exposed to low occupational

  3. Anti-TNF-Alpha-Adalimumab Therapy Is Associated with Persistent Improvement of Endothelial Function without Progression of Carotid Intima-Media Wall Thickness in Patients with Rheumatoid Arthritis Refractory to Conventional Therapy

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    Carlos Gonzalez-Juanatey

    2012-01-01

    Full Text Available To determine whether treatment with the anti-TNF-alpha blocker adalimumab yields persistent improvement of endothelial function and prevents from morphological progression of subclinical atherosclerosis in patients with rheumatoid arthritis (RA refractory to conventional therapy, a series of 34 consecutive RA patients, attending hospital outpatient clinics and who were switched from disease modifying antirheumatic drug therapy to anti-TNF-alpha-adalimumab treatment because of severe disease, were assessed by ultrasonography techniques before the onset of adalimumab therapy (at day 0 and then at day 14 and at month 12. Values of flow-mediated endothelium-dependent vasodilatation at day 14 and at month 12 were significantly higher (mean ± standard deviation (SD: 6.1±3.9%; median: 5.7% at day 14, and mean ± SD: 7.4±2.8%; median: 6.9% at month 12 than those obtained at day 0 (mean: 4.5±4.0%; median: 3.6%; P=0.03 and P<0.001, resp.. Endothelium-independent vasodilatation results did not significantly change compared with those obtained at day 0. No significant differences were observed when carotid artery intima-media wall thickness values obtained at month 12 (mean ± SD: 0.69±0.21 mm were compared with those found at day 0 (0.65±0.16 mm (P=0.3. In conclusion, anti-TNF-alpha-adalimumab therapy has beneficial effects on the development of the subclinical atherosclerosis disease in RA.

  4. Prevalence of peripheral vascular disease and its association with carotid intima-media thickness and arterial stiffness in type 2 diabetes: the Chennai urban rural epidemiology study (CURES 111).

    Science.gov (United States)

    Pradeepa, Rajendra; Chella, Sundarapandi; Surendar, Jayagopi; Indulekha, Karunakaran; Anjana, Ranjit Mohan; Mohan, Viswanathan

    2014-05-01

    We investigated the prevalence of peripheral vascular disease (PVD) and its association with preclinical atherosclerotic markers [intima-media thickness (IMT)] and arterial stiffness among 1755 urban south Indian type 2 diabetic subjects recruited from the Chennai Urban Rural Epidemiology Study (CURES). Doppler studies were performed, and PVD was defined as ankle-brachial index (ABI) of ≤0.9. IMT of the common carotid artery was determined using high-resolution B-mode ultrasonography, and augmentation index (AGI) was measured using the Sphygmocor apparatus. The overall prevalence of PVD was 8.3% (age-standardized 6.5%). The prevalence of PVD was higher among known diabetic subjects (n = 1401) compared to newly detected diabetic subjects (n = 354) (8.6% vs 6.8%, p = 0.250). The mean IMT and AGI in subjects with PVD were significantly higher compared to subjects without PVD (IMT: 0.99 ± 0.26 mm vs 0.83 ± 0.19 mm; AGI: 28.1 ± 9.6% vs 25.7 ± 9.8%, respectively). IMT was independently associated with PVD even after adjusting for age [odds ratio (OR) = 2.9 (1.2-6.7), p = 0.016 for second tertile and OR = 3.9 (1.7-9.3), p = 0.002 for third tertile compared to first tertile]. AGI was also associated with PVD in the unadjusted model [OR = 1.8 (1.1-3.1), p = 0.027 for second tertile compared to first tertile]. However, when adjusted for age, the significance was lost. In conclusion, among urban south Indian type 2 diabetic subjects, the prevalence of PVD is 8.3% and IMT is more strongly associated with PVD than AGI.

  5. Effects of biphasic, basal-bolus or basal insulin analogue treatments on carotid intima-media thickness in patients with type 2 diabetes mellitus

    DEFF Research Database (Denmark)

    Lundby-Christensen, Louise; Vaag, Allan; Tarnow, Lise;

    2016-01-01

    in combination with insulin detemir once daily (n=138) versus insulin detemir alone once daily (n=137), aiming at HbA1c≤7.0% (≤53 mmol/mol). OUTCOMES: Primary outcome was change in mean carotid IMT (a marker of subclinical cardiovascular disease). HbA1c, insulin dose, weight, and hypoglycaemic and serious...

  6. Effect of rimonabant on carotid intima-media thickness (CIMT) progression in patients with abdominal obesity and metabolic syndrome: the AUDITOR Trial

    NARCIS (Netherlands)

    O'Leary, D.H.; Reuwer, A.Q.; Nissen, S.E.; Després, J.P.; Deanfield, J.E.; Brown, M.W.; Zhou, R.; Zabbatino, S.M.; Job, B.; Kastelein, J.J.P.; Visseren, F.L.J.

    2011-01-01

    OBJECTIVE: The aim of this trial was to determine whether obese patients benefit from treatment with rimonabant in terms of progression of carotid atherosclerosis. Rimonabant, a selective cannabinoid-1 receptor blocker, reduces body weight and improves cardiometabolic risk factors in patients who ar

  7. Traditional risk factors are more relevant than HIV-specific ones for carotid intima-media thickness (cIMT in a Brazilian cohort of HIV-infected patients.

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    Antonio G Pacheco

    Full Text Available Combination antiretroviral therapy (cART had a dramatic impact on the mortality profile in human immunodeficiency virus (HIV infected individuals and increased their life-expectancy. Conditions associated with the aging process have been diagnosed more frequently among HIV-infected patients, particularly, cardiovascular diseases.Patients followed in the Instituto de Pesquisa Clínica Evandro Chagas (IPEC prospective cohort in Rio de Janeiro were submitted to the general procedures from the Brazilian Longitudinal Study of Adult Health, comprising several anthropometric, laboratory and imaging data. Carotid intima-media thickness (cIMT was measured by ultrasonography, following the Mannheim protocol. Linear regression and proportional odds models were used to compare groups and covariables in respect to cIMT. The best model was chosen with the adaptive lasso procedure.A valid cIMT exam was available for 591 patients. Median cIMT was significantly larger for men than women (0.56mm vs. 0.53mm; p = 0.002; overall = 0.54mm. In univariable linear regression analysis, both traditional risk factors for cardiovascular diseases (CVD and HIV-specific characteristics were significantly associated with cIMT values, but the best multivariable model chosen included only traditional characteristics. Hypertension presented the strongest association with higher cIMT terciles (OR = 2.51; 95%CI = 1.69-3.73, followed by current smoking (OR = 1,82; 95%CI = 1.19-2.79, family history of acute myocardial infarction or stroke (OR = 1.60; 95%CI = 1.10-2.32 and age (OR per year = 1.12; 95%CI = 1.10-1.14.Our results show that traditional cardiovascular disease (CVD risk factors are the major players in determining increased cIMT among HIV infected patients in Brazil. This finding reinforces the need for thorough assessment of those risk factors in these patients to guarantee the incidence of CVD events remain under control.

  8. Common carotid intima media thickness and ankle-brachial pressure index correlate with local but not global atheroma burden: a cross sectional study using whole body magnetic resonance angiography.

    Directory of Open Access Journals (Sweden)

    Jonathan R Weir-McCall

    Full Text Available Common carotid intima media thickness (CIMT and ankle brachial pressure index (ABPI are used as surrogate marker of atherosclerosis, and have been shown to correlate with arterial stiffness, however their correlation with global atherosclerotic burden has not been previously assessed. We compare CIMT and ABPI with atheroma burden as measured by whole body magnetic resonance angiography (WB-MRA.50 patients with symptomatic peripheral arterial disease were recruited. CIMT was measured using ultrasound while rest and exercise ABPI were performed. WB-MRA was performed in a 1.5T MRI scanner using 4 volume acquisitions with a divided dose of intravenous gadolinium gadoterate meglumine (Dotarem, Guerbet, FR. The WB-MRA data was divided into 31 anatomical arterial segments with each scored according to degree of luminal narrowing: 0 = normal, 1 = <50%, 2 = 50-70%, 3 = 70-99%, 4 = vessel occlusion. The segment scores were summed and from this a standardized atheroma score was calculated.The atherosclerotic burden was high with a standardised atheroma score of 39.5±11. Common CIMT showed a positive correlation with the whole body atheroma score (β 0.32, p = 0.045, however this was due to its strong correlation with the neck and thoracic segments (β 0.42 p = 0.01 with no correlation with the rest of the body. ABPI correlated with the whole body atheroma score (β -0.39, p = 0.012, which was due to a strong correlation with the ilio-femoral vessels with no correlation with the thoracic or neck vessels. On multiple linear regression, no correlation between CIMT and global atheroma burden was present (β 0.13 p = 0.45, while the correlation between ABPI and atheroma burden persisted (β -0.45 p = 0.005.ABPI but not CIMT correlates with global atheroma burden as measured by whole body contrast enhanced magnetic resonance angiography in a population with symptomatic peripheral arterial disease. However this is

  9. Estimation of prenatal aorta intima-media thickness from ultrasound examination

    Science.gov (United States)

    Veronese, E.; Tarroni, G.; Visentin, S.; Cosmi, E.; Linguraru, M. G.; Grisan, E.

    2014-10-01

    Prenatal events such as intrauterine growth restriction and increased cardiovascular risk in later life have been shown to be associated with an increased intima-media thickness (aIMT) of the abdominal aorta in the fetus. In order to assess and manage atherosclerosis and cardiovascular disease risk in adults and children, in recent years the measurement of abdominal and carotid artery thickness has gained a growing appeal. Nevertheless, no computer aided method has been proposed for the analysis of prenatal vessels from ultrasound data, yet. To date, these measurements are being performed manually on ultrasound fetal images by skilled practitioners. The aim of the presented study is to introduce an automatic algorithm that identifies abdominal aorta and estimates its diameter and aIMT from routine third trimester ultrasonographic fetal data. The algorithm locates the aorta, then segments it and, by modeling the arterial wall longitudinal sections by means of a gaussian mixture, derives a set of measures of the aorta diameter (aDiam) and of the intima-media thickness (aIMT). After estimating the cardiac cycle, the mean diameter and the aIMT at the end-diastole phase are computed. Considering the aIMT value for each subject, the correlation between automatic and manual end-diastolic aIMT measurements is 0.91 in a range of values 0.44-1.10 mm, corresponding to both normal and pathological conditions. The automatic system yields a mean relative error of 19%, that is similar to the intra-observer variability (14%) and much lower that the inter-observer variability (42%). The correlation between manual and automatic measurements and the small error confirm the ability of the proposed system to reliably estimate aIMT values in prenatal ultrasound sequences, reducing measurement variability and suggesting that it can be used for an automatic assessment of aIMT. Preliminary results have been presented in E Veronese, E Cosmi, S Visentin, E Grisan: 'Semiautomatic estimation

  10. Plasma cholesteryl ester transfer is a determinant of intima-media thickness in type 2 diabetic and nondiabetic subjects : Role of CETP and triglycerides

    NARCIS (Netherlands)

    de Vries, R; Perton, FG; Dallinga-Thie, GM; van Roon, AM; Wolffenbuttel, BHR; van Tol, A; Dullaart, RPF

    2005-01-01

    We tested whether carotid artery intima-media thickness (IMT) is associated with plasma cholesteryl ester transfer (CET) and/or the plasma cholesteryl ester transfer protein (CETP) concentration in type 2 diabetic and control subjects. In 87 male and female subjects with type 2 diabetes (nonsmokers,

  11. The Value of Measurement of Carotid Intima-media Thickness Using Ultrasound in Patients with Cardio-cerebro-vascular Diseases%超声检测颈动脉内中膜厚度在心脑血管疾病中的价值

    Institute of Scientific and Technical Information of China (English)

    刘志敏; 黄碧霞; 古泉辉

    2013-01-01

    Objective:To study the value of measurement of carotid intima-media thickness using ultrasound in cardio-cerebro-vascular diseases. Method:Patients associated with hypertension,diabetes,coronary heart disease,cerebral infarction from our hospital from August 2012 to April 2013 were recruited.Color Doppler ultrasound was used to measure their carotid intima-media thickness(IMT) as well as artery atheromatous plague and stenosis of carotid artery.Result:(1)An average of 58%of patients indicated having abnormities of carotid intima media thickness when 52%and 9%of them having carotid artery atheromatous plague and stenosis of carotid artery respectively.(2)Patients with anomaly of carotid intima media thickness had significantly higher rates of hypertension and cerebral infarction.Conclusion:Noninvasive measurement of carotid intima-media thickness using Color Doppler ultrasound is a effective and convenient technique of screening and assessment for atherosclerosis among patients.It will be helpful for cohort at high risk of atherosclerosis and for diagnosis and treatment of this disease.%目的:探讨超声测量颈总动脉内-中膜厚度(IMT)在心脑血管疾病中的价值。方法:2012年8月-2013年4月来笔者所在医院就诊的高血压、糖尿病、冠心病、脑梗死患者均经高分辨率彩色多普勒超声检测双侧颈动脉内中膜厚度(IMT)、斑块有无及性质、管腔狭窄程度。结果:(1)颈动脉IMT异常者占58%,颈动脉斑块阳性者占52%,颈动脉狭窄者占9%,以轻度狭窄为主。(2)颈动脉内中膜检测有阳性的病变者中,高血压与脑梗死患者的检出率较高。结论:采用高分辨率彩色多普勒超声检测颈动脉内中膜厚度的方法,对筛查和评估动脉粥样硬化疾病,是一种简便、经济、有效、无创、可测量、重复性好的科学手段;也可以对无临床症状的高危人群的预后提供帮助;为早期临床诊断及干预动脉硬化提供依据。

  12. Medición del espesor miointimal carotídeo como predictor de riesgo de accidente isquémico transitorio Carotid Intima - Media Thickness measurement as a risk predictor of transient ischemic attack Objectives

    Directory of Open Access Journals (Sweden)

    Stella Maris Batallés

    2011-09-01

    Full Text Available Objetivos. Determinar si el riesgo de accidente isquémico transitorio (AIT es mayor en pacientes con valores anormales de espesor miointimal carotídeo (EMIC. Materiales y Métodos. Evaluación de 168 pacientes con y sin AIT estudiados con ecografías de vasos de cuello, midiendo EMIC. Diseño de casos y controles apareados por distintas variables. Análisis estadístico: variables continuas (media ± DS, comparadas mediante prueba "t de Student" para muestras relacionadas. Variables categóricas (porcentajes comparadas mediante pruebas de McNemar. Para evaluar EMIC como predictor de AIT, se ajustaron dos modelos de regresión logística condicional, considerando EMIC como variable continua y como variable binaria EMIC normal (1 mm. Se construyó una curva ROC para evaluar la capacidad discriminativa de EMIC, calculando la sensibilidad y especificidad para diferentes puntos de corte. Resultados. Valor de EMIC: casos 1,03 ± 0,31 mm (IC 95%: 0,97-1,10; controles 0,77 ± 0,27mm (IC 95%: 0,710,83; pTo determine if the risk of transient ischemic attack (TIA is higher in patients with abnormal values of carotid intima-media thickness (CIMT. Materials and Methods. We evaluated 168 patients with and without TIA by ultrasound of the neck vessels, measuring CIMT. Case and controls were matched according to different variables. Statistical analysis: continuous variables (mean ± SD were compared using the Student's t test for related samples. Categorical variables (percentages were compared using the McNemar tests. In order to assess CIMT as a predictor of TIA, two models of conditional logistic regression were adjusted, considering CIMT both as a continuous variable and as a binary variable: normal CIMT (1 mm. A ROC curve was performed to determine the discriminative capacity of CIMT, estimating the sensitivity and specificity for different cutoff values. Results. CIMT value: cases 1.03±0.31 mm (95% CI: 0.971.10; controls 0.77±0.27 mm (95% CI: 0

  13. Metformin, arterial function, intima-media thickness and nitroxidation in metabolic syndrome: the mefisto study.

    Science.gov (United States)

    Meaney, Eduardo; Vela, Agustín; Samaniego, Virginia; Meaney, Alejandra; Asbún, Juan; Zempoalteca, Juan-Carlos; Elisa, Zárate N; Emma, Mendoza N; Guzman, Martin; Hicks, Juan; Ceballos, Guillermo

    2008-08-01

    1. Metabolic syndrome (MS) is one of the greatest public health problems in Mexico, where more than 75% of adults in urban populations are overweight or obese. Metabolic syndrome has several comorbidities, which result in a high cardiometabolic risk. 2. Some of the vasopathogenic phenomena in MS are caused by nitroxidant stress, secondary to cardiometabolic dysfunction. 3. The action of metformin to diminish or control MS remains a matter of debate. 4. In the present study, 60 patients with at least three diagnostic criteria for MS were divided into two groups. Both groups received similar dietary counselling, but one group was given 850 mg metformin daily. 5. The variables assessed were body mass index, waist circumference, systolic and diastolic blood pressures (SBP and DBP, respectively), total cholesterol (TC), high- and low-density lipoprotein-cholesterol, triglycerides (TG), fasting glucose, nitroxidant metabolites (free carbonyls, malondialdehyde, dityrosines and advanced oxidative protein products (AOPP)), nitric oxide (NO), carotid vascular stiffness, carotid intima-media thickness (IMT) and C-reactive protein (CRP). 6. After 1 year follow up, both groups reported weight loss, as well as decreases in waist circumference, SBP and DBP. 7. Patients on metformin exhibited reductions in TC and IMT and there were marked changes in nitroxidation: levels of carbonyls, dityrosines and AOPP were reduced, whereas those of NO were increased, indicating better endothelial function. In addition, in patients given metformin, CRP levels decreased. 8. In conclusion, metformin has a considerable beneficial effect on nitroxidation, endothelial function and IMT in patients with MS.

  14. Relationship between lipidemia and carotid intima-media thickness in patients with cerebral infarction%脑梗死患者血脂水平与颈动脉内中膜厚度的相关性分析

    Institute of Scientific and Technical Information of China (English)

    肖胜; 陈婧; 汪宏良; 肖劲松

    2012-01-01

    目的 探讨脑梗死(CI)患者血脂水平与颈动脉内中膜厚度(CIMT)的相关性.方法 测定120例CI患者(CI组)和120例神经科非CI患者(对照组)CIMT、血浆氧化低密度脂蛋白(ox-LDL)及血清总胆固醇(TC)、三酰甘油(TG)、低密度脂蛋白胆固醇(LDL-C)、高密度脂蛋白胆固醇(HDL-C)、载脂蛋白A1(Apo-A1)、载脂蛋白B (Apo-B)、脂蛋白(a)[ LP(a)]水平,并进行相关分析.结果 CI组TC、TG、Apo-B、LP(a)和ox-LDL水平高于对照组(P< 0.01);CI组CIMT检测结果 为1.1±0.32 mm,高于对照组的0.8±0.54 mm(P<0.01);CI组TC、TG、LDL-C、Apo-B 、LP(a)、ox-LDL与CIMT呈正相关(P<0.01),HDL-C、Apo-A1与CIMT呈负相关(P<0.01).结论 脂代谢异常与CI患者动脉粥样硬化密切相关;CI患者体内可能存在脂质过氧化反应;抑制脂质过氧化,减少ox-LDL的生成有助于预防和治疗CI.%Objective To investigate the relationship between lipidemia and carotid intima-media thickness (CIMT) in patients with cerebral infarction(CI). Methods CIMT,plasma oxidized low-density lipoprotein(ox-LDL)level and serum level of total cho-lesterol(TC) , triacylglycerol (TG) , low density lipoprotein-cholestero ( LDL-C) , high density lipoprotein-cholestero( HDL-C) , ap-oprotein AL(Apo-Al) ,apoprotein B(Apo-B) and lipoprotein(a)[LP(a)] were detected in 120 cases of patients with CI(CI group) and 120 non-CI subjects(control group). Results Levels of TC,TG, Apo-B, LP(a) and ox-LDL in CI group were higher than those in control group (P< 0. 01). CIMT of CI group was 1. 1 ± 0. 32 mm, which was higher than 0. 8 ± 0. 54 mm of control group(P< 0. 01). In CI group,TC,TG, LDL-C, Apo-B,LP(a) and ox-LDL were positively correlated with CIMT(P<0. 01) ,but HDL-C and Apo-Al were negatively correlated with CIMT(P<0. 01). Conclusion There could be certain correlation between abnormal lipid metabolism and atherosclerosis in patients with CI. There could be peroxidatic reaction of lipid in patients with CI

  15. Associations between Subclinical Hypothyroidism and Carotid Intima Media Thickness:A Meta Analysis%亚临床甲状腺功能减退与颈动脉内膜中层厚度关系的Meta分析

    Institute of Scientific and Technical Information of China (English)

    王海龙; 张娜; 张文良; 时景璞

    2013-01-01

    目的 综合评价亚临床甲状腺功能减退(SCH)与颈动脉内膜中层厚度(C-IMT)的关系.方法 检索2001年1月-2011年8月发表的有关SCH与C-IMT关系的文献及其参考文献,提取数据并计算加权均数差(WMD)及95%CI,采用Begg′s检验法评价发表偏倚.应用Stata 11.0软件对SCH与C-IMT的关系进行Meta分析.结果 共纳入9篇文献.(1)合并结果显示,SCH组与正常对照组的C-IMT差异有统计学意义[WMD=0.05,95%CI(0.02,0.07)].(2)亚组分析显示,平均年龄<60岁的SCH组与正常对照组比较C-IMT间差异有统计学意义(P<0.05);医院来源的SCH组与正常对照组比较C-IMT 间差异有统计学意义(P<0.05);无论TSH水平<10 mU/L还是TSH水平≥10 mU/L,SCH患者与正常对照者C-IMT间差异均有统计学意义(P<0.05),且TSH水平≥10 mU/L组合并WMD较TSH水平<10 mU/L组合并WMD大.结论 SCH与C-IMT有一定相关性,SCH可能导致颈动脉内膜增厚.%Objective To explore the associations between subclinical hypothyroidism ( SCH ) and carotid intima -media thickness ( C - IMT ). Methods The literatures on associations of SCH and C - IMT published between January 2001 and August 2011 were retrieved in large databases. The data were extracted and the weighted mean difference ( WMD ) and 95% CI were calculated. Publication bias was assessed by Begg's test. Stata 11. 0 was used to perform meta analysis on the associations between SCH and C - IMT. Results A total of nine articles were included in the study. Analysis results showed that C -IMT of SCH patients and normal controls was significantly different [ WMD = 0. 05 , 95% CI ( 0. 02, 0. 07 ) ]. Subgroup analysis showed that C - IMT were significantly different between SCH patients and normal controls in mean age < 60 years old group, and between hospital based SCH patients and normal controls ( P < 0. 05 ). The differences were significant in both TSH level < 10 mU/L and TSH level ≥10 mU/L groups, and the combined

  16. Resistência insulínica pode prejudicar a redução da espessura mediointimal em adolescentes obesos Insulin resistance can impair reduction on carotid intima-media thickness in obese adolescents

    Directory of Open Access Journals (Sweden)

    Priscila de Lima Sanches

    2012-10-01

    (IR n=39 and without insulin resistance (NIR n=27, and submitted to an interdisciplinary intervention over the course of 1 year. Common carotid artery intima-media thickness (cIMT, visceral and subcutaneous adipose tissue was determined by ultrasound. Body composition, blood pressure, HOMA-IR, lipid profile and adipokines concentrations [leptin, adiponectin, and plasminogen activator inhibitor type (PAI-1] were analyzed before and after the therapy. RESULTS: Both groups presented significant improvements in body composition, inflammatory state (reduction of leptin and PAI-1 concentration; increasing of plasma adiponectin and reduction of cIMT. Only NIR group showed positive correlation between changes in visceral fat (∆Visceral and changes in cIMT (∆ cIMT (r = 0.42; p < 0.05. Simple linear regression analyze revealed ∆Visceral to be an independent predictor to reduction of cIMT in this group (R2 adjusted = 0.14, p = 0.04. The final values of cIMT remained significantly higher in IR group when compared to NIR group. CONCLUSION: The presence of insulin resistance can impair changes in cIMT leading to early development of atherosclerosis in obese adolescents submitted to an interdisciplinary intervention..

  17. Follow up of intima-media thickness after severe early-onset preeclampsia

    NARCIS (Netherlands)

    Blaauw, Judith; Souwer, Esteban T D; Coffeng, Sophie M; Smit, Andries J; van Doormaal, Jasper J; Faas, Marijke M; van Pampus, Maria G

    2014-01-01

    OBJECTIVE: Early-onset preeclampsia is associated with premature cardiovascular disease. We previously demonstrated that femoral intima-media thickness (IMT) and markers of cardiovascular disease were increased in women 1 year after early-onset preeclampsia. The current study measured (progression o

  18. Effect of rosuvastatin on the echolucency of the common carotid intima-media in low-risk individuals: the METEOR trial

    NARCIS (Netherlands)

    Lind, L.; Peters, S.A.; Ruijter, H.M. Den; Palmer, M.K.; Grobbee, D.E.; Crouse, J.R.; O'Leary, D.H.; Evans, G.W.; Raichlen, J.S.; Bots, M.L.; Goldstein, M.; Staessen, J.A.; Marchal, G.; Linhart, A.; Salonen, J.T.; Simon, A.

    2012-01-01

    BACKGROUND: The echolucency of the carotid intima-media is related to increased cardiovascular risk factor levels, morbidity, and mortality. The aim of this study was to assess the effect of statins on the echolucency of the common carotid intima-media in a low-risk population. METHODS: Data from th

  19. Intima-media thickness evaluation by B-mode ultrasound: Correlation with blood pressure levels and cardiac structures

    Directory of Open Access Journals (Sweden)

    F.L. Plavnik

    2000-01-01

    Full Text Available The aim of this study was to analyze the thickness of the intima-media complex (IMC using a noninvasive method. The carotid and femoral common arteries were evaluated by noninvasive B-mode ultrasound in 63 normotensive and in 52 hypertensive subjects and the thickness of the IMC was tested for correlation with blood pressure, cardiac structures and several clinical and biological parameters. The IMC was thicker in hypertensive than in normotensive subjects (0.67 ± 0.13 and 0.62 ± 0.16 vs 0.54 ± 0.09 and 0.52 ± 0.11 mm, respectively, P<0.0001. In normotensive patients, the simple linear regression showed significant correlations between IMC and age, body mass index and 24-h systolic blood pressure for both the carotid and femoral arteries. In hypertensives the carotid IMC was correlated with age and 24-h systolic blood pressure while femoral IMC was correlated only with 24-h diastolic blood pressure. Forward stepwise regression showed that age, body mass index and 24-h systolic blood pressure influenced the carotid IMC relationship (r2 = 0.39 in normotensives. On the other hand, the femoral IMC relationship was influenced by 24-h systolic blood pressure and age (r2 = 0.40. In hypertensives, age and 24-h systolic blood pressure were the most important determinants of carotid IMC (r2 = 0.37, while femoral IMC was influenced only by 24-h diastolic blood pressure (r2 = 0.10. There was an association between carotid IMC and echocardiographic findings in normotensives, while in hypertensives only the left posterior wall and interventricular septum were associated with femoral IMC. We conclude that age and blood pressure influence the intima-media thickness, while echocardiographic changes are associated with the IMC.

  20. 2型糖尿病患者血清瘦素与颈动脉内膜中层厚度的相关性研究%Association of serum leptin with intima-media thickness of carotid artery in type 2 diabetes patients

    Institute of Scientific and Technical Information of China (English)

    刘振华; 毕会民; 贺艳菊; 张玉国

    2009-01-01

    Objective To investigate the relationship between serum leptin and carotid intima-media thickness in patients with type 2 diabetes mellitus. Methods 35 patients with type 2 diabetes mellitus (DM) and 16 normal controls were studied. Fasting serum leptin, fasting glucose(FBG), HbAlc, C-peptide, lipide, systolic(SBP), diastolic blood pressure(DBP), body mass index (BMI) and waist circ-umference (WC) were measured in all subjects. The intima-media thickness (IMT) of common carotid artery was measured by high-resolu-tion ultrasound imaging. Results IMT of T2DM was positively correlated with leptin concentration. Conclusion Serum leptin concentra-tion is independently associated with the IMT of carotid artery, which suggest that leptin may be an independent risk factor of atherosclerosis.%目的 探讨2型糖尿病(T2DM)患者血清瘦素水平与颈动脉内膜中层厚度(IMT)的关系.方法 选择35例2型糖尿痛患者、16例正常对照者,分别测定其血清瘦素、空腹血糖、糖化血红蛋白AIc(HbAlc)、C肽、血脂、血压、体重指数(BMI)及腰围,同时使用高分辨率超声检测双侧颈动脉IMT.结果 T2DM患者血清瘦素浓度与颈动脉IMT呈显著正相关.结论 血清瘦素浓度与颈动脉IMT的增厚有关,提示瘦素可能是导致T2DM患者动脉粥样硬化中的一项危险因素.

  1. Wall irregularity rather than intima-media thickness is associated with nearby atherosclerosis.

    Science.gov (United States)

    Graf, Iulia M; Schreuder, Floris H B M; Hameleers, Jeroen M; Mess, Werner H; Reneman, Robert S; Hoeks, Arnold P G

    2009-06-01

    In addition to intima-media thickness (IMT), IMT inhomogeneity may carry information about atherosclerosis progression. In 147 vascular diseased patients (mean 66 y, 48% male), we determined the carotid bulb stenosis degree based on local Doppler blood flow velocities. Common carotid artery (CCA) morphologic characteristics, i.e. IMT, IMT-inhomogeneity (intraregistration variation) and IMT uni- and bilateral intrasubject variation (DeltaIMT), were measured using multiple M-mode. Associations of morphologic characteristics, stenosis degree and Framingham score were evaluated with Pearson correlation (r) and multiple regression analysis. The IMT distributions for subjects without and with stenosis were not similar. The stenosis degree score correlated significantly to unilateral (r=0.68) and bilateral DeltaIMT (r=0.62), IMT (r=0.41) and IMT-inhomogeneity (r=0.45). The averaged IMT and IMT-inhomogeneity increased slightly for singular stenosis and abruptly for multiple stenoses. Mean uni- and bilateral DeltaIMT per stenosis degree increased linearly with this degree, reaching a correlation close to 1 (r=0.98 and r=0.97). Interestingly, the majority of the subjects with a moderate to severe bulb stenosis exhibited a carotid IMT lower than the considered critical threshold of 0.9 mm. In conclusion, although CCA is not prone to plaques, its morphologic characteristics are positively correlated with stenosis degree score and other risk scores. DeltaIMT can be more reliable derived from inter-registration rather than from intra-registration variation. In the CCA, DeltaIMT substantiates vascular alteration better than IMT.

  2. Association between microalbuminuria and subclinical atherosclerosis evaluated by carotid artery intima-media in elderly patients with normal renal function

    Directory of Open Access Journals (Sweden)

    Kong XiangLei

    2012-06-01

    Full Text Available Abstract Background Moderate to severe renal insufficiency and albuminuria have been shown to be independent risk factors for atherosclerosis. However, little is known about the direct association between subclinical atherosclerosis evaluated by carotid artery intima-media thickness (IMT and microalbuminuria in elderly patients with normal renal function. Methods Subjects were 272 elderly patients (age  ≥ 60 years with normoalbuminuria (n = 238 and microalbuminuria (n = 34. Carotid IMT was measured by means of high-resolution B-mode ultrasonography. Estimated glomerular filtration rate (eGFR ≥ 60 ml/min/1.73 m2 was defined as normal renal function. Those who had macroalbuminuria and atherosclerotic vascular disease were not included. Results Compared to subjects with normoalbuminuria, subjects with microalbuminuria had higher mean carotid IMT (1.02 ± 0.38 vs. 0.85 ± 0.28 mm; P  Conclusions A slight elevation of albuminuria is a significant determinant of carotid IMT independent of traditional cardiovascular risk factors in our patients. Our study further confirms the importance of intensive examinations for the early detection of atherosclerosis when microalbuminuria is found in elderly patients, although with normal renal function.

  3. Distribution Characteristics and Related Factors of Carotid Intima-Media Thickness in Middle and Elder Aged Population%中老年人群颈动脉内中膜厚度分布特征及相关因素分析

    Institute of Scientific and Technical Information of China (English)

    罗杰斯; 谢高强; 于洋; 王梦; 史平; 任福秀; 高炜; 武阳丰

    2013-01-01

    Objective:To explore the current distribution characteristics and related factors of carotid intima-media thickness in middle and elder aged population.Methods:From October to November 2012,the cross-sectional examination for cardiovascular risk factors and B-mode ultrasound imaging on carotid arteries were performed in participants at Shijingshan area in Beijing by China-US (PRC-USA) collaborative study.Results:The study investigated a total of 1345 people.There 1277 subjects at the age of (52~88) years with complete information were analyzed.The mean intima-media thickness (IMT) of carotid arteries was (0.68 ± 0.10) mm.The carotid IMT increased accordingly with the elevated age in both male and female genders and the trend analysis had the statistic meaning,P<0.001.The mean IMT in male was thicker than female at all age stages,P<0.01.Multivariate analysis presented that the mean IMT increased with the elevated age,systolic blood pressure,triglyceride and body mass index,P<0.05.Conclusion:In addition to age and gender,the blood pressure,glucose,lipids and obesity were related to carotid intima-media thickness,and those factors should be focused for cardiovascular disease prevention and treatment.%目的:探讨中老年人群颈动脉内中膜厚度分布特征的现状及其相关因素.方法:于2012-10至2012-11,对中美心血管病和心肺疾病流行病学合作研究中的石景山人群复查心血管病危险因素并进行颈动脉超声检查,以此横断面数据进行分析.结果:共计调查1345人.其中1 277人数据完整者纳入分析,年龄52~88岁.颈动脉内中膜厚度平均值为(0.68±0.10)mm,两性均随年龄而增加,趋势分析具有统计学意义(P<0.001).各年龄阶段颈动脉内中膜平均厚度男性均大于女性(P<0.01).多因素分析结果显示:男女两性颈动脉内中膜厚度随着年龄、收缩压、血糖、甘油三酯和体质指数的增加而增加(P<0.05).结论:除年龄和性别外,血

  4. 老年人动态脉压及脉压指数与颈动脉内膜中层厚度的相关性分析%Relationship between ambulatory pulse pressure,pulse pressure index and carotid intima media thickness in old subjectss

    Institute of Scientific and Technical Information of China (English)

    何佳; 唐海沁

    2013-01-01

    目的 探讨老年人动态脉压及脉压指数与颈动脉内膜中层厚度的关系.方法 随机抽样调查65岁以上人群200人进行24h动态血压监测,监测患者的动态脉压(APP)水平,按APP≤40 mm Hg(46例)、41 ~60 mm Hg(66例)、61~80 mm Hg(61例)和>80 mm Hg(27例)分为4组;按动态脉压指数(APPI)≤0.40(49例)、0.41 ~0.50(70例)、0.51 ~0.60(57例)和>0.60(24例)分为4组.分别以彩色多普勒超声测定其颈动脉内膜中层厚度(IMT),并采集其静脉血测定血脂及高敏C-反应蛋白(hs-CRP).结果 随着APP及APPI的增加,颈动脉IMT明显增加,差异有统计学意义(P<0.05);Spearman相关分析,结果APP、APPI与颈动脉IMT呈正相关,其中以APPI相关系数(r)值大.结论 动态脉压及脉压指数与颈动脉内膜中层厚度密切相关,且脉压指数在一定程度上较脉压在动脉硬化发展上有更大相关性.%Objective To investigate the correlation of ambulatory pulse pressure (APP) and ambulatory pulse pressure index(APPI) with intima-media thickness(IMT) of carotid artery in old people.Methods To evaluate the value of APP and APPI within 24 hours in 200 senile patients chosen at random who are over 65 years old,whose PP and PPI level were measured by the dynamic blood pressure(BP) monitor.Those senile patients were divided into 4 groups based on APP level,as APP ≤ 40 mmHg(46 cases),41-60 mmHg(66 cases),61-80 mmHg(61 cases) and APP > 80 mmHg(27 cases).These cases were also further divided into 4 groups based on APPI level,as APPI≤0.40(49 cases),0.41-0.50(70 cases),0.51-0.60(57 cases),and APPI >0.60(24 cases).Intima-media thickness(IMT) of carotid artery,serum lipid and hs-CRP concentration were determined by Color Doppler Ultrasonography and immune turbidimetric assay,respectively.Results With the increase of APP and APPI,carotid IMT increased significantly,the difference was statistically significant (P < 0.05).Spearman correlation analysis showed that APP

  5. Correlation between Common Carotid Artery Intima-media Thickness and Degree of Retinopathy in Type 2 Diabetes Mellitus%2型糖尿病视网膜病变程度与颈总动脉内-中膜厚度的相关性研究

    Institute of Scientific and Technical Information of China (English)

    李晶晶; 邓又斌; 杨顺实

    2011-01-01

    目的 评估2型糖尿病患者(diabetes mellitus,DM)视网膜病变程度与颈总动脉内-中膜厚度(common carotid artery inti-ma-media thickness,CCA IMT)的相关性,以期早期发现糖尿病视网膜病变(diabetic retinopathy,DR)并评估其病变程度.方法 筛选2型糖尿病患者84例.根据眼底荧光造影的结果分为糖尿病无视网膜病变(non-diabetic retinopathy,NDR)组、非增殖期糖尿病视网膜病变(non-proliferative diabetic retinopathy,NPDR)组及增殖期糖尿病视网膜病变(proliferative di-abetic retinopathy,PDR)组三组.记录各组病例的性别、年龄、糖尿病病程,测量其CCA IMT、空腹血糖(fasting blood glu-cose,FBG)、糖化血红蛋白(glycosylated hemoglobin,HbA1c)、血清甘油三脂(serum triglycerides,TG)、总胆固醇(totalcholesterol,TC)、低密度脂蛋白胆固醇(low-density lipoprotein cholestero,LDL-C)及高密度脂蛋白胆固醇(high-density lipo-protein cholesterol,HDL-C).结果 CCA IMT、FBG、HbA1c及糖尿病病程均同DR的程度具有正相关性(P<0.05);且排除了FBG、HbA1c及糖尿病病程的影响后,CCA IMT仍与DR程度相关(P<0.01).结论 2型糖尿病患者DR的程度同CCA IMT具有正相关性.%Objective To estimate the correlation between the degree of the diabetic retinopathy(DR)and the common carotid artery intima-media thickness (CCA IMT)in type 2 diabetes mellitus(DM)for early detection of DR and the the extent of their lesions. Methods A total of 84 patients with type 2 diabetes mellitus,according to the result of fundus fluorescein angiography,were divided into three groups:non-diabetic retinopathy(NDR)group,non-proliferative diabetic retinopathy(NPDR)group and proliferative diabetic retinopathy(PDR)group. In each group, gender, age and duration of diabetes were recorded, and common carotid artery intima-media thickness(CCA IMT), fasting blood glucose (FBG) ,glycosylated hemoglobin( HbAlc), serum triglycerides(TG), total cholesterol(TC), low

  6. Comparison of semi-automated and manual measurements of carotid intima-media thickening.

    LENUS (Irish Health Repository)

    Mac Ananey, Oscar

    2014-01-01

    Carotid intima-media thickening (CIMT) is a marker of both arteriosclerotic and atherosclerotic risks. Technological advances have semiautomated CIMT image acquisition and quantification. Studies comparing manual and automated methods have yielded conflicting results possibly due to plaque inclusion in measurements. Low atherosclerotic risk subjects (n = 126) were recruited to minimise the effect of focal atherosclerotic lesions on CIMT variability. CIMT was assessed by high-resolution B-mode ultrasound (Philips HDX7E, Phillips, UK) images of the common carotid artery using both manual and semiautomated methods (QLAB, Phillips, UK). Intraclass correlation coefficient (ICC) and the mean differences of paired measurements (Bland-Altman method) were used to compare both methodologies. The ICC of manual (0.547 ± 0.095 mm) and automated (0.524 ± 0.068 mm) methods was R = 0.74 and an absolute mean bias ± SD of 0.023 ± 0.052 mm was observed. Interobserver and intraobserver ICC were greater for automated (R = 0.94 and 0.99) compared to manual (R = 0.72 and 0.88) methods. Although not considered to be clinically significant, manual measurements yielded higher values compared to automated measurements. Automated measurements were more reproducible and showed lower interobserver variation compared to manual measurements. These results offer important considerations for large epidemiological studies.

  7. 2型糖尿病患者尿微量白蛋白与颈动脉内中膜相关性研究%Research on the relationship between microalbuminuria and carotid intima media thickness in type 2 diabetic patient

    Institute of Scientific and Technical Information of China (English)

    穆雅慧; 骆丽娅; 董科娜; 耿河川; 田云龙; 刘静

    2015-01-01

    目的探讨2型糖尿病患者尿微量白蛋白( UMA)与颈动脉内中膜厚度( IMT)的关系,研究微量白蛋白尿在2型糖尿病患者中预测大血管病变的价值。方法选取尿微量白蛋白异常的2型糖尿病患者111例,根据尿微量蛋白水平分为尿蛋白正常组64例(尿微量白蛋白30mg/L)。微量尿蛋白组又分为3个亚组,即A组19例(尿微量白蛋白30~50mg/L),B组14例(尿微量白蛋白50~100mg/L),C组14例(尿微量白蛋白100~300mg/L)。比较各组及各亚组微量尿蛋白水平及颈动脉内中膜厚度,探讨其相关关系。结果UMA与IMT呈正相关性,尿微量白蛋白高即颈动脉内中膜厚度高。结论尿微量白蛋白与颈动脉硬化相关,尿微量白蛋白越高,与颈动脉硬化相关性越密切。尿微量白蛋白可能为2型糖尿病大血管及微血管病变的标志物。%Objective Research on the relationship between microalbuminuria and carotid intima-media thickness in type 2 diabetic patient,Prediction of major vascular lesions of urinary albumin in type 2 diabetes mellituspatients value. Method Based on patients with type 2 diabetes in 111 cases. According to the microalbuminuria levels were divided into normal group 64 cases(microalbuminuria30mg/L). Mi-croalbuminuria group was divided into 3 sub groups,namely group A 19 cases(microalbuminuria 30-50mg/L),14 cases in B group(microalbuminuria 50-100mg/L),group C 14 cases with microalbuminuria 100-300mg/L). Comparison of groups and subgroups of microalbuminuria and carotid artery intima-media thickness, and explore its correlation. Result Mi-croalbuminuria and carotid artery intima-media thickness process positive correlation. Conclusion Microalbuminuria may be the marker of macrovascular and microvessels disease in type2 diabetes mellitus.

  8. 厄贝沙坦对轻中度高血压颈动脉内膜中层厚度及动脉弹性的影响%The effect of irbesartan on improving carotid intima-media thickness and arterial elasticity in patients with mild to moderate hypertension

    Institute of Scientific and Technical Information of China (English)

    魏玉杰; 刘惠亮; 张敏; 田蕾

    2010-01-01

    目的 观察厄贝沙坦对轻中度高血压颈动脉内膜中层厚度及动脉弹性的影响.方法 选取符合入选标准的轻中度原发性高血压106例,应用彩色多普勒超声检测颈总动脉内膜中层厚度(carotid intima-media thickness,IMT),脉搏波速度测定仪同时检测颈动脉-桡动脉(carotid-radial pulse wave velocity,C-RPWV)、颈动脉-股动脉(carotid-femoral carotid-radial ,C-FPWV)的脉搏波速度.给予以厄贝沙坦为基础的降压治疗,根据患者的血压反应加用小剂量氢氯噻嗪,12周后超声复查颈动脉内膜中层厚度及脉搏波速度.结果 与治疗前相比,治疗后收缩压(SBP)和舒张压(DBP)均明显下降(P<0.05);IMT显著减少(P<0.01);C-RPWV、C-FPWV明显减慢(P<0.01).结论 厄贝沙坦除能有效降低血压外,还能改善动脉重构.

  9. 维持性血液透析患者微炎症状态与颈动脉内中膜厚度进展的相关性研究%Correlation between the micro-inflammatory state of maintenance hemodialysis patients and progression of carotid intima-media thickness

    Institute of Scientific and Technical Information of China (English)

    张晓东; 张建荣; 朱愿; 宋洁; 李瑛; 李辉

    2012-01-01

    Objective To explore the correlation between the micro - inflammatory state of patients of maintenance hemodialy-sis and progression of carotid intima - media thickness ( PROG - IMT) . Methods The high - sensitivity C - reactive protein level ( hs - CRP) of 93 standard - compliant MHD patients was measured by ELISA. According to the results, these patients were divided into normal group (30 cases, hs - CRP levels 0.05). There was one death from cardiovascular and cerebrovascular diseases. (2) PROG - IMT, hs - CRP, age, blood pressure, and low density lipoprotein were positively correlated (P 0.05);因心脑血管疾病死亡1例.(2)PROG-IMT 与hs-CRP、年龄、血压、低密度脂蛋白正相关(P<0.05).(3)多元逐步回归分析显示,hs-CRP 是影响PROG-IMT 的主要因素(P<0.05).结论 微炎症状态MHD 患者IMT 呈进行性进展,血清hs-CRP 水平是影响PROG-IMT 的主要因素.

  10. A PROSPECTIVE STUDY OF LONG TERM EFFECT OF STATINS ON DYSLIPIDAEMIA, INTIMA-MEDIA THICKNESS AND C-REACTIVE PROTEIN IN TYPE-2 DIABETES MELLITUS

    Directory of Open Access Journals (Sweden)

    Sudheer

    2015-11-01

    Full Text Available Dyslipidaemia is one of the major risk factor for cardio vascular disease in diabetes mellitus. Lipid abnormalities in type 2 diabetes mellitus are characterised by high triglyceride concentration low HDL concentration and normal total and low density lipo–protein cholesterol (LDL–c concentration. Present study is a prospective study to evaluate the effect of statin on Dyslipidemia and the markers of atherosclerosis in type–2 diabetes mellitus. Metformin and Rosuvastatin have good effect on lipid profile and hs-CRP. But the response on the decrease in thickness of common carotid intima-media, result was statistically significant but not as per the expectation

  11. Correlation Study of Carotid Intima_media Thickness,Carotid Plaques and SYNTAX Score in Patients with Coronary Heart Disease%冠心病患者颈动脉内膜中层厚度及颈动脉斑块与 SYNTAX 评分的相关性研究

    Institute of Scientific and Technical Information of China (English)

    王林; 袁国裕; 陈国雄; 陈士良

    2016-01-01

    Objective To explore the association of carotid intima_media thickness (CIMT ) ,carotid plaques with SYNTAX score of coronary artery in patients with coronary heart disease(CHD). Methods 256 patients who underwent coronary arteriography (CAG) were divided into control group with their coronary stenosis 32scores).CIMT and catotid plaques were evaluated with ultrasonic inspection and measurement in all patients. Results Incidence rates of elevated CIMT and carotid plaques were significantly higher in CHD group than in the control group ( P32scores) than in the low risk group (1~22scores). The Spearman linear_regression analysis showed that SYNTAX scores had a positive correlation with CIMT ( r=0.64 ,P32 ( P<0.05).Conclusions CIMT and carotid plaques were closely associated with SYNTAX scores in patients with CHD ,which could be used to indirectly predict the severity of coronary artery lesion.%目的:探讨冠心病患者颈动脉内膜中层厚度(CIMT )及颈动脉斑块与冠状动脉SYNTAX评分的关系。方法选择行冠状动脉造影的患者256例,根据冠状动脉造影结果分组:51例冠状动脉狭窄<50%为对照组,余205例为冠心病组。冠心病组又根据SYNTAX评分结果分为低分组(1~22分)70例、中分组(23~32)94例、高分组(>32分)41例。所有患者均采用超声检测双侧CIMT及颈动脉斑块情况。结果与对照组比较,冠心病组患者CIMT及斑块发生率明显高于对照组( P<0.05)。与低分组比较,中分组和高分组CIMT及斑块发生率明显升高( P<0.05)。Spearman线性回归分析结果显示冠心病患者CIMT与SYNTAX评分呈直线正相关( r=0.64,P<0.01)。多因素Logistic回归分析结果显示,CIMT及颈动脉斑块是SYNTAX积分>32分的独立预测因素( P<0.05)。结论 CIMT及颈动脉斑块与冠心病患者SYNTAX评分密切相关,可间接预测冠状动脉病变严重程度。

  12. 脑梗死患者颈动脉内膜-中膜厚度与LDL、OX-LDL关系的研究%Study on intima-media thickness of carotid artery and relation between it and LDL or OX-LDL

    Institute of Scientific and Technical Information of China (English)

    毛善英; 刘建仁; 黄鉴政; 吴敏良; 毛显雅; 魏芳; 刘学明

    2001-01-01

    Objective To explore the level of artherosclerosis in carotid artery of cerebral infarction patients, analyse the relation between artherosclerosis and serum LDL,OX-LDL. Methods Determine the intima-media thickness(IMT) of carotid artery in cerebral infarction patiens and control. Measure low density lipoprotein(LDL) and oxided low density lipoprotein(OX-LDL) in their serum, Compare IMT and serum LDL,OX-LDL in cerebral infarction patients groups. Analyse the correlation between IMT and serum LDL,OX-LDL. Result IMT in the group of cerebral infarction accompanied diabetes was higher than the other groups . IMT was significantly positively correlated with LDL,OX-LDL. Conclusion Patients with cerebral infarction, especially those acompanied with diabetes have more severe artherosclerosis change in carotid artery. LDL,OX-LDL are crucial factors that could expedite artherosclerosis of carotid artery.%目的 研究脑梗死患者颈动脉粥样硬化的程度, 分析低密度脂蛋白(LDL)、氧化低密度脂蛋白(OX-LDL)与颈动脉粥样硬化的关系。方法 B超测定脑梗死组及对照组的颈动脉内膜-中膜厚度(intimal-media thickness;IMT)。测定受试者的LDL、OX-LDL。比较各脑梗死组及对照组的IMT和LDL、OX-LDL。对IMT和LDL、OX-LDL相关分析。结果 伴糖尿病的脑梗死组IMT高于其它脑梗死组及对照组。IMT与LDL、OX-LDL显著正相关。结论 脑梗死患者的颈动脉粥样硬化程度显著高于对照组; 其中伴有糖尿病的脑梗死患者的颈动脉粥样硬化程度尤为明显, LDL、OX-LDL是促进颈动脉粥样硬化的关键因子。

  13. 血清游离脂肪酸水平与非酒精性脂肪性肝病及颈动脉内膜中层厚度的相关研究%Correlation of serum free fatty acid levels with non-alcoholic fatty liver disease and carotid artery intima-media thickness

    Institute of Scientific and Technical Information of China (English)

    郝齐志

    2014-01-01

    Objective To investigate the correlation of serum free fatty acids levels with non-alcoholic fatty liver disease (NAFLD) and carotid artery intima-media thickness (CIMT).Methods The blood lipid levels,insulin resistance and CIMT thickness were measured in 150 healthy controls and 168 cases of NAFLD.The independent factors influencing NAFLD,and CIMT were analyzed.Results The levels of fasting blood glucose,triglycerides,fasting insulin,fasting free fatty acids and CIMT thickness were significantly higher in patients with NAFLD than those in healthy controls(P < 0.01).Conclusions Free fatty acid levels are independent risk factors of NAFLD.NAFLD patients have elevated levels of serum free fatty acids.In addition,elevated serum free fatty acid levels are correlated with CIMT.%目的 探讨血清游离脂肪酸水平与非酒精性脂肪肝病(NAFLD)及颈动脉内膜中层厚度(CIMT)间的关系.方法 测定150例健康对照和168例NAFLD患者的血脂水平、胰岛素抵抗和CIMT厚度.分析影响NAFLD、CIMT的独立因素.结果 NAFLD组患者较健康对照组空腹血糖、三酰甘油、空腹胰岛素、空腹游离脂肪酸及CIMT等指标均显著升高(P<0.01).结论 游离脂肪酸水平是NAFLD患病的独立影响因素,NAFLD患者血清游离脂肪酸水平普遍升高,NAFLD患者血清游离脂肪酸水平升高与CIMT增加有关.

  14. 川崎病恢复期颈动脉内膜-中膜厚度变化及相关因素分析%Study of carotid intima media thickness and its correlated factors in children at the convalescent phase of Kawasaki disease

    Institute of Scientific and Technical Information of China (English)

    牛峰海; 王瑜; 蔡文仙; 范国贞; 任雪云

    2012-01-01

    Objective To observe the change of carotid intima-media thickness and analysis of its correlated factors at the convalescent phase in children with Kawasaki disease, and to provide a scientific basis for prevention and treatment of vascular lesions. Methods A cohort of 60 children during the age of 2 to 4 years old was studied, which comprised 30 children at the convalescence phase of Kawasaki disease (KD group) and 30 healthy age-matched children (control group). Carotid arterial intima-media thickness (IMT) , malondialdehyde ( MDA) , interleukin-1 beta (IL-1|3) , interferon-gamma (IFN-7) and body mass index (BMI) were evaluated. Results IMT in KD group and control group was (0.40 ± 0.03) mm and (0.37 ± 0.04) mm respectively. IMT in KD group was higher than that in control group (P 0.05). IMT was positively correlated with the plasma level of MDA (r = 0.463, P < 0.05), but not significantly correlated with the levels of IL-iβ, IFN-7 and BMI. Conclusions The increased carotid IMT in children at the convalescent phase of Kawasaki disease is associated with oxidative stress.%目的 观察川崎病(KD)患儿恢复期颈动脉内膜-中膜厚度变化及相关因素,为防治KD血管病变提供科学依据.方法 收集30例2 ~ 4岁KD恢复期患儿及30例同年龄健康儿童,测定其颈动脉内膜-中膜厚度(IMT)、丙二醛(MDA)、白介素-1β(IL-1β)、γ-干扰素(IFN-γ)和体质指数(BMI).结果 KD患儿颈动脉IMT为(0.40 ± 0.03)mm,对照组为(0.37 ± 0.04)mm,两者比较差异有统计学意义.KD患儿MDA 为(2.56±0.18)nmol/ml,对照组为(2.09±0.24)nmol/ml,两者比较差异有统计学意义.两组间IL-1β、IFN-γ、BMI比较,差异均无统计学意义.直线相关分析显示,颈动脉IMT与MDA呈正相关(r = 0.463,P < 0.05),而与IL-1β、IFN-γ和 BMI水平均无相关性(P均> 0.05).结论 KD恢复期患儿颈动脉内膜-中膜增厚,与氧化应激有关.

  15. A discussion of the value of testing carotid intima-media thickness by ultrasound to cardio-cerebro-vascular disease%超声检测颈动脉内中膜厚度在心脑血管疾病中的价值探讨

    Institute of Scientific and Technical Information of China (English)

    杨丽丽; 余凤

    2015-01-01

    目的:探讨超声检测颈动脉内中膜厚度在心脑血管疾病中的应用价值。方法2012年1月~2014年6月我院超声检测颈动脉内中膜厚度共2167例,根据超声检测结果,分为正常组和异常组,统计两组患者心脑血管疾病患病情况。结果2167例受检者经超声检测,IMT异常893例(41.21%),其中,内中膜增厚112例(5.17%),粥样硬化斑块674例(31.10%),颈动脉狭窄107例(4.94%),以轻中度狭窄最为常见, IMT正常组中心血管病发病率为4.95%,异常组为35.95%,两组差异具有统计学意义(P<0.05);正常组中脑血管病发病率为3.53%,异常组为26.88%,两组差异具有统计学意义(P<0.05);IMT异常组中高血压和短暂性脑缺血发作(TIA)的发病率分别明显高于其他心脑血管疾病,差异具有统计学意义(x2a=6.569, P<0.05;x2b=7.247,P<0.05)。结论超声检测颈动脉内中膜厚度对心脑血管疾病早期预防、早期诊断、早期干预具有重要意义。%Objective To discuss the application value of testing carotid intima-media thickness by ultrasound to cardio-cerebro-vascular disease (CCVD).Methods 2167 cases tested carotid intima-media thickness by ultrasound in our hospital during January 2012 to June 2013 were divided into normal group and abnormal group according to the ultrasound attenuation detecting results. And the prevalence situation of CCVD of patients in the two groups was counted.Results2167 cases were examined by ultrasound in which 893 (41.21%)people's IMT were abnormal. Among them, 112 cases (5.17%)had thickening of their internal medial, 674 cases(31.10%) had atherosclerotic plaque, 107 cases(4.94%) were of carotid artery stenosis in which Mild-to-moderate carotid stenosis was the most common. The morbidity of cardiovascular disease was 4.95% in IMT normal group and 35.95% in abnormal group, it showed a significant difference between

  16. The effect of long-term homocysteine-lowering on carotid intima-media thickness and flow-mediated vasodilation in stroke patients: a randomized controlled trial and meta-analysis

    Directory of Open Access Journals (Sweden)

    Green Daniel J

    2008-09-01

    Full Text Available Abstract Background Experimental and epidemiological evidence suggests that homocysteine (tHcy may be a causal risk factor for atherosclerosis. B-vitamin supplements reduce tHcy and improve endothelial function in short term trials, but the long-term effects of the treatment on vascular structure and function are unknown. Methods We conducted a sub-study of VITATOPS, a randomised, double-blind, placebo-controlled intervention trial designed to test the efficacy of long term B-vitamin supplementation (folic acid 2 mg, vitamin B6 25 mg and vitamin B12 0.5 mg in the prevention of vascular events in patients with a history of stroke. We measured carotid intima-medial thickness (CIMT and flow-mediated dilation (FMD at least two years after randomisation in 162 VITATOPS participants. We also conducted a systematic review and meta-analysis of studies designed to test the effect of B-vitamin treatment on CIMT and FMD. Results After a mean treatment period of 3.9 ± 0.9 years, the vitamin-treated group had a significantly lower mean plasma homocysteine concentration than the placebo-treated group (7.9 μmol/L, 95% CI 7.5 to 8.4 versus 11.8 μmol/L, 95% CI 10.9 to 12.8, p Conclusion Although short-term treatment with B-vitamins is associated with increased FMD, long-term homocysteine-lowering did not significantly improve FMD or CIMT in people with a history of stroke. Trial Registration Clinical Trial Registration URL: http://www.actr.org.au/ Trial Registration number: 12605000005651

  17. 红细胞分布宽度与阻塞性睡眠呼吸暂停低通气综合征病情和颈动脉内膜中层厚度的相关性%Relation of red blood cell distribution width with the severity and carotid intima media thickness of obstructive sleep apnea hypopnea syndrome

    Institute of Scientific and Technical Information of China (English)

    陈碧; 陈昊; 张淼; 刘文静; 赵力; 朱述阳; 张文辉

    2015-01-01

    Objective To explore the relationship between red cell distribution (RDW) level with the severity and carotid intima media thickness of obstructive sleep apnea hypopnea syndrome (OSAHS).Methods A total of 103 patients with OSAHS diagnosed by polysomnography were selected from sleep Disorders Center at Affiliated Hospital of Xuzhou Medical College between January 2013 and August 2014.Twenty-eight healthy adult individuals matched for age and body mass index (BMI) were enrolled as the control group in this study.The blood routine parameters including RDW,hemoglobin level,and mean corpuscular volume (MCV) were determined.The carotid intima-mesa thickness (IMT) was measured by color Doppler uhrasonography.In addition,the correlations were analyzed between RDW with the severity and carotid IMT of OSAHS.Results The RDW values were significantly increased in moderate to severe OSAHS patients compared to the controls (all P <0.05).The RDW was positively correlated with AHI and negatively correlated with minimum SaO2.The carotid IMT was higher in milder to severe OSAHS patients than that in controls and there was a significant difference in carotid IMT among three OSAHS groups (all P <0.05).RDW in OSAHS patients was positively correlated with carotid IMT(r =0.52,P < 0.001).Conclusions RDW was significantly increased in OSAHS patients and was positively correlated with the severity and carotid IMT of OSAHS.These findings suggest that RDW may be a predictive marker of OSAHS severity and carotid artery atherosclerosis in OSAHS.%目的 探讨OSAHS患者红细胞分布宽度(RDW)与病情严重程度和颈动脉粥样硬化的相关性.方法 选取2013~2014年间在徐州医学院附属医院经多导睡眠监测(PSG)确诊的OSAHS患者103例,以及年龄、性别、体质量指数相匹配的28名健康对照者为研究对象,测定血RDW、红细胞计数(RBC)、血红蛋白(HB)、平均红细胞体积(MCV)等血常规参数,应用彩色多普勒超声仪检测颈

  18. Serum Levels of Anticyclic Citrullinated Peptide Antibodies, Interleukin-6, Tumor Necrosis Factor-α, and C-Reactive Protein Are Associated with Increased Carotid Intima-Media Thickness: A Cross-Sectional Analysis of a Cohort of Rheumatoid Arthritis Patients without Cardiovascular Risk Factors

    Directory of Open Access Journals (Sweden)

    Mónica Vázquez-Del Mercado

    2015-01-01

    Full Text Available The main cause of death in rheumatoid arthritis (RA is cardiovascular events. We evaluated the relationship of anticyclic citrullinated peptide (anti-CCP antibody levels with increased carotid intima-media thickness (cIMT in RA patients. Methods. Forty-five anti-CCP positive and 37 anti-CCP negative RA patients, and 62 healthy controls (HC were studied. All groups were assessed for atherogenic index of plasma (AIP and cIMT. Anti-CCP, C-reactive protein (CRP, and levels of tumor necrosis factor alpha (TNFα and interleukin-6 (IL-6 were measured by enzyme-linked immunosorbent assay (ELISA. Results. The anti-CCP positive RA patients showed increased cIMT compared to HC and anti-CCP negative (P<0.001. Anti-CCP positive versus anti-CCP negative RA patients, had increased AIP, TNFα and IL-6 (P<0.01, and lower levels of high density lipoprotein cholesterol (HDL-c (P=0.02. The cIMT correlated with levels of anti-CCP (r=0.513, P=0.001, CRP (r=0.799, P<0.001, TNFα (r=0.642, P=0.001, and IL-6 (r=0.751, P<0.001. In multiple regression analysis, cIMT was associated with CRP (P<0.001 and anti-CCP levels (P=0.03. Conclusions. Levels of anti-CCP and CRP are associated with increased cIMT and cardiovascular risk supporting a clinical role of the measurement of cIMT in RA in predicting and preventing cardiovascular events.

  19. Serum Levels of Anticyclic Citrullinated Peptide Antibodies, Interleukin-6, Tumor Necrosis Factor-α, and C-Reactive Protein Are Associated with Increased Carotid Intima-Media Thickness: A Cross-Sectional Analysis of a Cohort of Rheumatoid Arthritis Patients without Cardiovascular Risk Factors

    Science.gov (United States)

    Vázquez-Del Mercado, Mónica; Nuñez-Atahualpa, Lourdes; Figueroa-Sánchez, Mauricio; Gómez-Bañuelos, Eduardo; Rocha-Muñoz, Alberto Daniel; Martín-Márquez, Beatriz Teresita; Martínez-García, Erika Aurora; Macias-Reyes, Héctor; Gamez-Nava, Jorge Ivan; Navarro-Hernandez, Rosa Elena; Nuñez-Atahualpa, María Alejandra; Andrade-Garduño, Javier

    2015-01-01

    The main cause of death in rheumatoid arthritis (RA) is cardiovascular events. We evaluated the relationship of anticyclic citrullinated peptide (anti-CCP) antibody levels with increased carotid intima-media thickness (cIMT) in RA patients. Methods. Forty-five anti-CCP positive and 37 anti-CCP negative RA patients, and 62 healthy controls (HC) were studied. All groups were assessed for atherogenic index of plasma (AIP) and cIMT. Anti-CCP, C-reactive protein (CRP), and levels of tumor necrosis factor alpha (TNFα) and interleukin-6 (IL-6) were measured by enzyme-linked immunosorbent assay (ELISA). Results. The anti-CCP positive RA patients showed increased cIMT compared to HC and anti-CCP negative (P < 0.001). Anti-CCP positive versus anti-CCP negative RA patients, had increased AIP, TNFα and IL-6 (P < 0.01), and lower levels of high density lipoprotein cholesterol (HDL-c) (P = 0.02). The cIMT correlated with levels of anti-CCP (r = 0.513, P = 0.001), CRP (r = 0.799, P < 0.001), TNFα (r = 0.642, P = 0.001), and IL-6 (r = 0.751, P < 0.001). In multiple regression analysis, cIMT was associated with CRP (P < 0.001) and anti-CCP levels (P = 0.03). Conclusions. Levels of anti-CCP and CRP are associated with increased cIMT and cardiovascular risk supporting a clinical role of the measurement of cIMT in RA in predicting and preventing cardiovascular events. PMID:25821796

  20. Evaluation of cardiac structure, function and carotid artery intima-media thickness in overweight people with color Doppler ultrasonography%彩色多普勒超声评价超重人群心脏结构、功能及颈动脉内-中膜厚度

    Institute of Scientific and Technical Information of China (English)

    薛甜; 朱向明; 李国杰; 张青陵; 吴晶晶

    2011-01-01

    Objective To investigate the influence of overweight on cardiovascular system with color Doppler ultrasonography . Methods Totally 100 people accepted health examination were included and classified into 2 groups according to body mass index (BMI) : Overweight group (BMI≥25 kg/m2, n= 53 ) and control group (BMI<25 kg/m2, n= 47) , both underwent color Doppler ultrasonography . The heart structure , heart function and carotid artery intima-media thickness (IMT ) of them were compared . Results Compared with control group , left ventricular diameter in end diastole (LVDD) ,interventricular septum thickness (IVST ), left ventricular posterior wall thickness (LVPWT ), left ventricular mass (LVM ) , left ventricular mass index (LVMI) , peak A velocity (A) and IMT of overweight group all increased , peak Evelocity (E) and E/A both decreased (all P< 0. 05) . In all of 100 people , LVDD , IVST , LVPWT . LVM , LVMI, A and IMT were all positively correlated with BMI , E/A and E were both negatively correlated with BMI . Conclusion Ultrasound examination showed that injury of left ventricle structure . relaxing function and intima-media thickness can occur in overw eight without clinical symptoms .%目的 应用彩色多普勒超声检查观察超重对心脏结构、功能及颈动脉内-中膜厚度(IMT)的影响.方法 根据体质量指数(BMI)将100名体检者分为正常对照组(BMI<25 kg/m2,47名)和超重组(BMI≥25 kg/m2,53名).对两组均行彩色多普勒超声心动图及颈动脉超声检查,分析超重对心脏结构、功能及颈动脉IMT的影响.结果 与正常对照组相比,超重组左心室舒张末期内径(LVDD)、左心室舒张末期室间隔厚度(IVST)、左心室后壁舒张末期厚度(LVPWT)、左心室质量(LVM)、左心室质量指数(LVMI)、二尖瓣舒张晚期峰值血流速度(A峰)、颈动脉IMT增高,二尖瓣舒张早期峰值血流速度(E峰)和E/A降低,差异均有统计学意义(P均<0.05).BMI与LVDD、IVST、LVPWT

  1. 肥胖中青年男性颈动脉内中膜厚度相关危险因素分析%Analysis of the Related Risk Factors of Carotid Intima-media Thickness in Middle-age and Young Men with Obesity

    Institute of Scientific and Technical Information of China (English)

    杨青; 陆强; 刘晓丽

    2013-01-01

    [目的]探讨肥胖中青年男性人群颈动脉内中膜厚度(CIM T )的相关危险因素。[方法]选取81例20~50岁男性为研究对象。根据体质量指数(BM I)分为肥胖组28例(BM I >28 kg/m2)、超重组25例(BM I=25~28 kg/m2)和对照组28例( BM I<25 kg/m2)三组。检测三组的血糖、血脂、尿酸(U A )、睾酮(T )、胰岛素抵抗指数及人体基本参数。[结果]中青年男性肥胖组BMI、收缩压(SBP)、甘油三脂(TG)、总胆固醇(TC)、UA、胰岛素抵抗指数(HOMA-IR)均高于超重组及对照组( P <0.05),与CIMT正相关,高密度脂蛋白胆固醇(HDL-C)、T低于超重组及对照组( P <0.05),与IMT呈负相关。多元线性回归显示BMI、TG是颈动脉内中膜异常的相关独立危险因素。[结论]肥胖组中青年男性存在CIMT增厚。BMI及TG是CIMT独立危险因素。%[Objective]To explore the related risk factors of carotid intima-media thickness(CIMT) in middle-age and young men with obesity .[Methods]Totally 81 men aged 20~50 years were enrolled in the study .Accord-ing to body mass index(BMI) ,all subjects were divided into obese group( n =28 ,BMI>28 kg/m2 ) ,overweight group( n=25 ,BMI=25~28 kg/m2 ) and control group( n=28 ,BMI<25 kg/m2 ) .Blood sugar ,lipids ,uric acid (UA) ,testosterone(T) ,insulin resistance index (HOMA-IR) and anthropometric parameters of 3 groups were measured .[Results]BMI ,SBP ,TG ,TC ,UA and HOMA-IR in middle-age and young obesity group were higher than those in overweight group and control group( P <0 .05) ,and positively correlated with CIMT .HDL-C and T in middle-age and young obesity group were lower than those in overweight group and control group ( P <0 .05) ,and negatively correlated with IMT .Multivariant linear regression analysis showed that BMI and TG were the relative independent risk factors of abnormal carotid intima-media .[Conclusion]CIM T in middle-age and young men

  2. 应用冠状动脉钙化积分诊断老年人冠心病的研究%Clinical study on coronary artery calcification score combined with carotid intima-media thickness measure in elderly patients with coronary artery disease

    Institute of Scientific and Technical Information of China (English)

    林萍; 谢晓林; 胡芸

    2009-01-01

    Objective To evaluate the clinical diagnostic value of coronary artery calcification score(CACS)of multi-slice spiral computed tomography(MSCT)combined with carotid intima-media thickness(IMT)measure in elderly patients with coronary artery disease(CAD). Methods CACS of MSCT,carotid IMT measure,and coronary angiography were performed in 68 patients,including 36 cases with CAD(CAD group)diagnosed by coronary angiography and 32 cases(control group)with coronary arterial stenosis(<50% stenosis).CACS and carotid IMT were compared between two groups. Results The coronary artery calcification score was significantly increased in CAD group compared with the control group[(349.5±86.3)vs.(74.7±25.2),t=13.670,P<0.01],and it was increased with the severity of coronary arterial stenosis.The carotid intima-media thickness in CAD group showed significant difference with that in control group[(1.11±0.05)mm vs(0.69±0.13)mm,t=13.587,P<0.01].In CAD group,CACS exhibited a significant positive correlation with carotid IMT(r=0.950,P<0.01).The positive rates of CACS and carotid IMT were both 77.8% (28 cases)in CAD group and both 12.5%(4 cases)in control group,which showed significant difference between two groups(X2=28.976,P<0.01). Conclusions CACS of MSCT combined with carotid IMT have high sensitivity and specificity in evaluating coronary arteriaI stenosis.It can be used as a non-invasive examination to diagnose CAD in the elderly.%目的 探讨多层螺旋CT冠状动脉钙化积分(CACS)结合测量颈动脉内膜-中膜厚度(IMT)在老年人冠心病诊断中的价值. 方法 68例患者均行多层螺旋CT测定CACS、测量颈动脉IMT及冠状动脉造影检查,冠心病组36例患者行冠状动脉造影诊断为冠心病;非冠心病组32例,为冠状动脉造影证实冠状动脉狭窄<50%者.比较冠心病组与非冠心病组CACS值及颈动脉IMT.结果冠心病组CACS较非冠心病组明显升高[分别为(349.5±86.3)分和(74.7±25.2)分,t=13

  3. 视网膜动脉硬化与颈动脉内膜中层厚度相关性的分析%Analysis of retinal artery atherosclerosis and carotid artery intima-media thickness correlation

    Institute of Scientific and Technical Information of China (English)

    萨其热; 佟艳秋(通讯作者); 赵全良

    2014-01-01

    With the improvement of living standards of our people and changes in diet , atherosclerosis tends to increase , which is char-acterized by intimal involvement began , more performance for the eye retina arteriosclerosis .This paper analyzes the relationship and relat-ed factors between retinal arteriosclerosis with IMT .The results show that a growing number of retinal artery atherosclerosis with carotid in -timal thickening , IMT and retinal arteriosclerosis is a mutual influence , mutual causal relationship in diabetics .Carotid stenosis , especial-ly the internal carotid artery stenosis can directly affect the retinal blood supply .Therefore , early diagnosis helps to evaluate the situation whole body atherosclerosis .For coronary heart disease , hypertension , cerebrovascular accident and CRAO patients and high -risk groups play a good warning , delaying disease progression .%随着我国人民生活水平的提高和饮食习惯的改变,动脉硬化呈增高趋势,其特点是受累病变的内膜开始,眼部多表现为视网膜动脉硬化。本文对视网膜动脉硬化与IMT相关性及相关因素进行观察分析。结果表明,越来越多的视网膜动脉粥样硬化合并颈动脉内膜增厚,糖尿病患者IMT与视网膜动脉硬化是相互影响,互为因果的关系。颈动脉狭窄特别是颈内动脉狭窄可直接影响视网膜血供。因此,早期诊断有助于判定全身动脉硬化情况,对冠心病、高血压、脑血管意外以及CRAO等患者及高危人群起到良好的警示作用,延缓疾病的进展。

  4. Research on the relationship between microalbuminuria and carotid intima-media thickness in type 2 diabetic patients%尿微量白蛋白与2型糖尿病患者颈动脉内中膜厚度的相关性研究

    Institute of Scientific and Technical Information of China (English)

    钱红霞; 李新胜; 李佳芮; 赵永才

    2012-01-01

    目的 探讨T2DM患者尿微量白蛋白与颈动脉内膜中层厚度(IMT)的相关性.方法 微量白蛋白尿组(MAU)60例、30名健康者(NC)和30例正常白蛋白尿组(NMAU)作对照,测定血糖、UAER、血压及血肌酐等.采用彩色多普勒超声观察双侧颈动脉内膜中层厚度.结果 NMAU组较NC组FPG、IMT、SBP 明显升高(P<0.05)MAU组较NC组FPG、SBP、UAER、IMT也明显升高(P<0.05);MAU组较NMAU组IMT、UAER显著升高(P<0.01).MAU组患者UAER与IMT呈显著正相关(P<0.05).结论 MAU与颈动脉硬化密切相关,MAU可能为大血管及微血管病变的标志物.%Objective To explore the relationship between microalbuminuria and carotid intima-media thickness in type 2 diabetic patients. Methods Sixty microalbuminuria patients(MAU,UAER20-200 μg/min), 30 nonmicroalbuminuria patients(NMAU, UAER<20 μg/min) and 30 healthy people(NC) were selected in the reserch. The levels of glucose , UAER, blood-pressure and serum creatinine were measured. IMT of carotid arteries were determined with high-sensitive B-mode ultrasound. Results The levels of glucose, IMT,SBP were significantly increased in NMAU versus NC group(all P<0. 05). The levels of glucose, SBP, UAER and IMT were increased significantly in MAU versus NC group (all P< 0. 05). The levels of IMT and UAER were increased in MAU than in NMAU group(P<0. 05). UAER was negatively correlated with IMT. Conclusions Microalbuminuria is negatively correlated with IMT. Microalbuminuria level is likely to be a marker of diabetes' complications.

  5. 冠心病患者颈动脉内膜-中层厚度及微量白蛋白尿与冠状动脉病变的关系%Relationship of the carotid intima-media thickness and microalbuminuria with the severity of coronary artery lesions to the coronary heart disease

    Institute of Scientific and Technical Information of China (English)

    涂昌; 潘伟彪; 兰军; 陈本发; 叶文卫

    2013-01-01

    Objective To investigate the relationship of the carotid intima-media thickness and microalbuminuria with the severity of coronary artery lesions to the coronary heart disease. Methods 82 patients treated with coronary arteriography in our hospital from October 2009 to November 2011 were selected and divided into coronary artery imaging normal group (n=24), single-vessel disease group (n=22), double -vessel disease group (n=16) and three-multivessel disease group (n=20). Gensini method was used to calculate the integral of coronary artery lesion degree; carotid artery sonography were applied before and 1 week after the coronary arteriography, bilateral carotid IMT and plaque situation were checked up: microalbuminuria value was measured, the relationship of the carotid IMT and microalbuminuria with the severity of coronary artery lesions were analyzed. Results IMT of single-vessel disease group, double -vessel disease group and three-multivessel disease group were all higher than those of coronary artery imaging normal group; carotid TMT, plaque occurrence rate, plaque integral and microalbuminuria were all found increased followed the severity of the coronary artery lesion, the differences were all statistically significant (all P < 0.05). Positive relationship was found between the microalbuminuria and Gensin-S (r=0.54,P < 0.05), positive relationship was found between the microalbuminuria and IMT (r = 0.57,P < 0.05). Conclusion Carotid TMT and microalbuminuria can predict the severity of coronary artery lesions and have important clinical significant of evaluate the coronary heart disease.%目的 探讨冠心病患者冠状动脉病变程度与颈动脉内膜-中层厚度(IMT)及尿微量白蛋白(MAU)的相关性.方法 选择2009年10月~2011年11月我院行冠状动脉造影者82例,根据血管病变程度分为冠状动脉造影正常组(n = 24)、单支病变组(n = 22)、双支病变组(n = 16)、三支及多支病变组(n = 20),Gensini法计算

  6. 高血压前期患者颈动脉内膜中层厚度与血压变异的相关性研究%Association of carotid artery intima-media thickness and blood pressure variation in patients with hypertension

    Institute of Scientific and Technical Information of China (English)

    闫文珍; 王瑞英; 黄淑田

    2015-01-01

    目的:探讨高血压前期患者颈动脉内膜中层厚度(IMT)与血压变异的关系。方法392例高血压前期患者依据颈动脉 IMT 分为颈动脉增厚组204例、无颈动脉增厚组188例,超声测定颈动脉IMT,并且均行动态血压监测。结果(1)24 h 动态血压分析显示:颈动脉增厚组与无颈动脉增厚组平均收缩压[(136.85±9.67)mmHg 与(121.92±6.54)mmHg]、收缩压变异性[(4.13±0.67)%与(2.64±0.86)%]、舒张压变异性[(2.97±0.45)%与(2.06±0.36)%]比较差异均有统计学意义( t 值分别为21.08、5.97、3.32,P 均<0.05)。(2)24 h 动态血压与颈动脉 IMT 增厚率:随着收缩压变异性增大,颈动脉 IMT 增厚率增加(P =0.001),而舒张压变异性、平均舒张压与 IMT 增厚率无关(P 值分别为0.435、0.126);平均收缩压越大,IMT 增厚率越高(P =0.013)。(3)回归分析提示收缩压变异性、超敏 C 反应蛋白、平均收缩压、餐后2 h 血糖与 IMT 呈正相关。结论高血压前期患者收缩压变异性对 IMT 影响最大。%Objective To investigate the relationship of carotid artery intima-media thickness(IMT) and blood pressure variation in patients with prehypertension. Methods Three hundred and ninety-two patients were selected as our subjects. Artery IMT was measured by Doppler ultrasonography. All patients were divided into carotid artery IMT group( n = 204 ),not carotid artery IMT group( n = 188 ) based on carotid IMT. Meanwhile,all patients were monitored by ambulatory blood pressure. Results (1)The indices of 24 h mean systolic blood pressure,systolic blood pressure variability and diastolic blood pressure variability in patients of carotid artery IMT group were(136. 85 ± 9. 67)mmHg,(4. 13 ± 0. 67)% ,(2. 97 ± 0. 45)% respectively, higher than those of Not carotid artery IMT group((121. 92 ± 6. 54)mmHg,(2. 64 ± 0. 86)% ,(2. 06 ± 0. 36)% ;t = 21. 08,5. 97,3. 32;P < 0. 05

  7. Relation between intima-media thickness and bone mineral density in postmenopausal women: a cross-sectional study

    Directory of Open Access Journals (Sweden)

    Daniela Fodor

    Full Text Available CONTEXT AND OBJECTIVES: Controversy exists regarding the relationship between atherosclerosis and osteoporosis. The aim of this study was to determine the relationship between intima-media thickness (IMT of the common carotid artery (CCA, presence of calcified atherosclerotic plaques and bone mineral density (BMD evaluated by dual energy X-ray absorptiometry (DXA, in postmenopausal women. DESIGN AND SETTING: Cross-sectional study at Second Internal Medicine Clinic, Cluj-Napoca, Romania. METHODS: We studied the IMT (left and right CCA and mean IMT and T-score (lumbar spine L2-L4, femoral neck and total hip in 100 postmenopausal women (mean age 64.5 years. The presence of calcified atherosclerotic plaque and osteoporotic vertebral fractures was also noted. RESULTS: IMT in the left and right CCA and mean IMT were significantly associated with T-score measured for the lumbar spine L2-L4, femoral neck and total hip, with lower T-score, in the osteoporotic group than in the normal and osteopenic groups (P < 0.05. IMT had a significantly negative correlation with the lumbar spine T-score and femoral neck T-score; and mean IMT with lowest T-score. Mean IMT (P < 0.001, high blood pressure (P = 0.005 and osteoporotic vertebral fractures (P = 0.048 showed statistical significance regarding the likelihood of developing atherosclerotic plaque. CONCLUSIONS: In women referred for routine osteoporosis screening, the relationship between CCA, atherosclerosis and osteoporosis can be demonstrated using either cortical or trabecular BMD. Vertebral fractures may be considered to be a likelihood factor for atherosclerotic plaque development.

  8. Correlation between coronary artery SYNTAX integra and estimated glomerular filtration rate and carotid intima-media thickness in eldly patients with coronary artery disease%冠状动脉SYNTAX积分与内生肌酐清除率及颈动脉内膜中层厚度的相关性

    Institute of Scientific and Technical Information of China (English)

    申琳

    2014-01-01

    目的:探讨老年冠心病患者冠状动脉(冠脉)SYNTAX积分与肾小球滤过率估算值(estimated glo-merular filtration rate,eGFR)及颈动脉内膜中层厚度(carotid intima-media thickness,CIMT)的关系.方法:回顾性分析在我院经造影证实3支病变和(或)左主干病变的老年冠心病患者43例,计算SYNTAX积分并进行危险分层,利用Cockcroft-Gault公式计算eGFR,采用超声测定CIMT,分析患者SYNTAX积分与eGFR及CIMT的关系.多元线性回归分析法分析影响SYNTAX积分的危险因素.结果:老年冠心病患者SYNTAX评分与eGFR呈负相关(r=一0.36,P<0.05);SYNTAX评分与CIMT呈正相关(r=0.33,P<0.05);CIMT与eGFR负相关(r=-0.47,P<0.05).将患者以SYNTAX积分(低危0~22分,中危23~32分,高危≥33分)进行分层分析,低危组与中危组、低危组与高危组CIMT差异有统计学意义(P<0.05),低危组与中危组及高危组eGFR差异有统计学意义(P<0.05).eGFR(β=-0.1834,P=0.002 4)是SYNTAX积分的独立危险因素.结论:颈动脉内膜的变化与冠脉病变相关;随着老年冠心病患者肾脏功能的减退,动脉粥样硬化有逐渐加重的趋势.

  9. The Correlation Analysis between Hemorheology and Carotid Intima-media Thickness in Type 2 Diabetes Mellitus%2型糖尿病患者颈动脉内膜-中层厚度与血液流变学指标的相关性分析

    Institute of Scientific and Technical Information of China (English)

    徐园园; 纪易斐; 卢学超; 魏迎凤; 翟林云

    2013-01-01

    Objective: To explore the relationship between hemorheology and carotid intima-media thickness (CIMT) in patients with type 2 diabetes (T2DM). Method: Eighty eight patients with T2DM were enrolled in this study. According to the results of CIMT, they were divided into two groups: non-macroangiopathy group and combined with macroangiopathy group, the levels of the index of hemorheology in two groups were detected and compared,and the relationship of CIMT and the index of hemorheology was also analyzed. Results: There was significant difference of CIMT, whole blood viscosity(low shear,middle shear,high shear),plasma viscosity, hematocrit and fibrinogen in two groups (P < 0. 05). And whole blood viscosity (middle shear, low shear), plasma viscosity, hematocrit, fibrinogen were positively relative with CIMT(P<0. 01). Conclusion: The patients with T2DM combined with macroangiopathy have obvious changes of hemorheology, it means abnormal hemorheology may play a role in the formation and development of macroangiopathy.%目的:探讨2型糖尿病患者颈动脉内膜-中层厚度(CIMT)与血液流变学指标的相关性.方法:选取88例糖尿病患者,检查CIMT后,分为血管病变组及无血管病变组,检测两组患者全血粘度、血浆粘度和红细胞压积、纤维蛋白原,对结果进行组间比较及CIMT与血流变指标的相关性分析.结果:血管病变组的CIMT、全血(低切、中切、高切)粘度、血浆粘度、红细胞压积、纤维蛋白原与无血管病变组比较差异有统计学意义(P<0.05);血管病变组CIMT与全血(中切、低切)粘度、血浆粘度、红细胞压积、纤维蛋白原呈显著正相关(P<0.01).结论:糖尿病合并颈动脉血管病变患者常伴有血液流变学指标升高,血液流变学异常变化可能参与颈动脉血管病变的发生发展.

  10. Carotis Intima Media Thickness in Female Patiens with Subclinical Hypothyroidism - Orijinal Article

    Directory of Open Access Journals (Sweden)

    Hayriye

    2010-12-01

    Full Text Available Objective: Recent studies have shown that subclinical hypothyroidism (SCH has similar cardiovascular risks with clinical hypothyroidism (CH. We evaluated carotis intima media thickness (CIMT-indicator of early changes in atherosclerotic process- in female patients, who have either CH or SCH, with similar age and demographic features. Materials and Methods: In this study, we included 81 female patients admitted to internal medicine and endocrinology outpatient clinic, diagnosed with CH (30 or SCH (51 according to their laboratory findings and who have not previously received treatment and 38 healthy women. BMI (body mass index, sistolic and diastolic blood pressure, triglycerides (TG, total cholesterol (TC, LDL cholesterol (LDL-C, HDL cholesterol (HDL-C, vitamin B-12, folate, homocysteine, high-sensitive C-reactive protein (Hs CRP, and CIMT were measured in all participants Results: There was not a statistical difference between the groups in TG, TC, HDL-C, LDL-C, vitamin B-12, and folate levels (p>0.05. On the other hand, SCH and CH groups differed statistically significantly from the control group for Hs CRP (p=0.011, homocysteine (p<0.001, and CIMT values. Additionally, age was found to be the most important factor for increase in CIMT when multiple linear regression analysis was performed.Conclusions: Lack of difference between CH patients and SCH patients in respect to Hs CRP, homocystein, and CIMT shows that inflammation and increase in CIMT starts during SCH period. Hence, we think that the increase in CIMT in SCH patients when TSH levels are higher than the normal range is a clinically important sign of early cardiovascular diseases. Turk Jem 2010; 14: 89-94

  11. [Carotid intima-media thickness; normal values from 4 years].

    Science.gov (United States)

    de Arriba Muñoz, Antonio; Domínguez Cajal, María Mercedes; Labarta Aizpún, José Ignacio; Domínguez Cunchillos, Manuel; Mayayo Dehesa, Esteban; Ferrández Longás, Ángel

    2013-01-01

    Introducción: El estudio de la arteria carotídea común mediante ultrasonidos, cada vez cobra mayor importancia para la prevención, tratamiento y evaluación del riesgo de desarrollar enfermedad cardiovascular. Un aumento del índice íntima-media se asocia con la presencia de otros factores cardiovasculares, enfermedad cardiovascular y cerebrovascular y ateroesclerosis en otras zonas del sistema vascular tanto en adultos como en población pediátrica. Material y métodos: Estudio transversal en 202 niños sanos de edades comprendidas entre 4 y 15 años en los que se han valorado parámetros auxológicos, tensión arterial sistólica y diastólica e índice íntima-media carotídea. Resultados: La muestra se compone de 100 varones y 102 mujeres, sin que existan diferencias entre ellos respecto al sexo; se presentan representaciones gráficas de los valores de índice íntima-media carotídea tanto en el total de la muestra como por sexos; existe una correlación positiva entre el índice íntima-media carotídeo con la edad (r = 0,229, p 0,01) y el IMC (r = 0,212, p media es un factor añadido para una identificación precoz de enfermedad cardiovascular y de su evolución tanto en población adulta como pediátrica.

  12. Medición ecográfica del espesor medio-intimal carotídeo en pacientes pediátricos con obesidad, hipercolesterolemia familiar y diabetes tipo 1 Ultrasonography measurement of carotid intima-media thickness in pediatric patients with obesity, familial hypercholesterolemia and type 1 diabetes

    Directory of Open Access Journals (Sweden)

    Mónica Bravo

    2012-03-01

    ínicas preventivas y de orientación terapéutica.To evalúate by ultrasonographic images carotid intima-media thickness (IMT as an early marker of cardiovascular risk (CVR in patients with clinical and laboratory diagnosis of familial hypercholesterolemia (FHC, type 1 diabetes (DBT-1 and Obesity (OB, compared to a healthy control group. Materials and Methods. A prospective, descriptive, and cross-sectional study. We evaluated the IMT of common carotid (ce arteries and included in a single dichotomic variable other structural modifications of the wall (atheromatous plaques and intima irregularities. US was blinded to the blood tests results (as recommended by the 2007 Mannheim consensus from 121 patients (aged 6 to 18 years: 24 FHC, 40 DBT-1, 43 OB, and 14 controls. Patients with other diseases that could alter the arterial wall were excluded. Variables were analyzed using the Statistix 8 program. Results. The three groups had a higher IMT than the control group, with these differences being statistically significant. Mean IMT (mm were 0.59 (0.31-2.15, p: 0.006, CI 0.06 to 0.36 in FHC; 0.48 (0.3-0.85, p: 0.001, CI 0.06-0.14 in obesity; and 0.46 (0.25-0.65, p: 0.0004, CI 0.03-0.13 in DBT-1. Control group: 0.37 (0.30-0.45. The major difference was observed in FHC patients. No association was found between LDL-C valué and IMT Upon the examination, 62.5% were receiving pharmacotherapy. In DBT-1 no association was found between IMT and the levéis of HbAlc and lipids. In the OB group there was no association between IMT and BMI Z-score. Atheromatous plaques and intima irregularities were found in 31% of FHC patients, 8% of DBT-1 patients, and 6% of OB patients. Conclusión. Ultrasonographic IMT measurements demonstrated that patients with chronic diseases and increased CVR at adulthood presented early changes in the carotid intima-media at childhood. This allows clinical prevention strategies and therapeutic guidance.

  13. Changes of carotid intima-media thickness in type 2 diabetic patients with obstructive sleep apnea-hypopnea syndrome%2型糖尿病合并阻塞性睡眠呼吸暂停低通气综合征患者颈动脉内膜中层厚度变化

    Institute of Scientific and Technical Information of China (English)

    蒋晓真; 奚峰; 陈蕊华; 邹宇峰; 顾哲; 周斌

    2016-01-01

    Objective To investigate the difference of carotid intima-media thickness (IMT) between type 2 diabetic patients with or without obstructive sleep apnea-hypopnea syndrome (OSAHS),and the correlations between IMT and severity of OSAHS.Methods Seventy five inpatients with type 2 diabetes were consecutively enrolled from September to December,2013.Height,weight,waist circumference,hip circumference,blood pressure,blood glucose,blood lipids and fasting insulin were measured.Moreover,all patients undertook the carotid ultrasonography and polysomnography test (PSG),and were divided into two groups:42 patients with OSAHS (OD group),and 33 patients without OSAHS (DM group),according to the results of PSG.The differences of parameters between two groups were compared,and the correlations between IMT and other clinical characteristics were assessed.Results Body weight,waist circumference,fasting insulin(FINS),homeostasis model of assessment for insulin resistence index (HOMA-IR),carotid IMT,carotid resistance index (C-RI),Epworth sleepiness scale (ESS),oxygen reduction index (ODI),and apnea/hypopnea index (AHI) were higher (t =1.87-8.43,all P < 0.05),while lowest oxygen saturation (LSaO2,t =7.38,P < 0.05) was lower in OD group compared with those in DM group.Univariate analysis showed that carotid IMT was positively associated with AHI,body weight,body mass index,waist circumference,lgFINS,lgHOMA-IR,C-RI,and ODI (r =0.24-0.70,all P < 0.05),and negatively correlated with LSaO2 (r =-0.44,P < 0.01).Results of multiple regression analysis indicated that C-RI (β =0.35,P < 0.01),AHI (β =0.28,P =0.01) and lgFINS (β =0.21,P =0.04) were independent predictors of carotid IMT,after adjusting for sex and age.Conclusions Carotid IMT is increased in patients with both type 2 diabetes and OSAHS compared with patients with diabetes alone.The severity of OSAHS is associated with the increase of carotid IMT.%目的 探讨2型糖尿病合并阻塞性睡眠呼吸暂停低通

  14. Effect of sedentary behaviour and vigorous physical activity on segment-specific carotid wall thickness and its progression in a healthy population.

    LENUS (Irish Health Repository)

    2010-06-01

    This study investigated whether sedentary behaviour and different activity levels have an independent association with carotid intima-media thickness (IMT) and with the 3-year IMT progression in different carotid segments.

  15. Relationship between carotid intima-media thickness and glomerular filtration rate in type 2 diabetic patients%2型糖尿病患者颈动脉内中膜厚度与肾小球滤过率的相关性分析

    Institute of Scientific and Technical Information of China (English)

    贾艳坤; 韩丽萍; 谢云

    2012-01-01

    Objective To investigate the correlation between carotid intima-media thickness (cIMT) and glomerular filtration rate (GFR) in type 2 diabetic patients. Methods 143 patients whose age is above 45 years were selected and the patients' blood pressure should be controlled below 140/90 mmHg. The patients were divided into two groups: the normal group (cIMT<0. 9 mm) and the thick group (cIMT≥0. 9 mm) by the cut level of cIMT 0. 9 mm. The age. Duration. MAU frequency, GFR and biochemical indexes were compared between them. Results cIMT thick group's age, duration and MAU frequency were much higher than those of cIMT normal group, and the GFR of the thick group was much lower than that of the normal group (P<0. 05). No statistical difference was found in biochemical indexes such as fasting glucose and lipids between two groups. Multiple stepwise regression analysis showed cIMT had a positive correlation with age, duration, and had a negative correlation with eGFR Conclusions With the development of the atherosclerosis, GFR gradually decreases and contributes to the occurance and development of early-stage atherosclerosis.%目的 探讨T2DM患者颈动脉内中膜厚度(cIMT)与肾小球滤过率(GFR)的相关性.方法 随机选取年龄>45岁的血压控制在140/90 mmHg以下的T2DM患者143例,以cIMT 0.9mm为标准将其分为cIMT<0.9 mm(IMT正常组)和cIMT≥0.9mm( IMT增厚组),比较两组间年龄、病程、早期肾病( MAU)所占比例、GFR及各项生化指标的差异. 结果 IMT增厚组的年龄、糖尿病病程、MAU所占比例明显高于IMT正常组,而GFR则明显低于IMT正常组(P<0.05).多元逐步回归分析显示cIMT与年龄、糖尿病病程呈正相关,而与GFR呈负相关. 结论 随着动脉硬化的不断进展,GFR呈不断下降趋势且独立于传统的心血管危险因素参与早期动脉硬化的发生与发展.

  16. Anisotropic diffusion filter based edge enhancement for the segmentation of carotid intima-media layer in ultrasound images using variational level set method without re-initialisation.

    Science.gov (United States)

    Sumathi, K; Anandh, K R; Mahesh, V; Ramakrishnan, S

    2014-01-01

    In this work an attempt has been made to enhance the edges and segment the boundary of intima-media layer of Common Carotid Artery (CCA) using anisotropic diffusion filter and level set method. Ultrasound B mode longitudinal images of normal and abnormal images of common carotid arteries are used in this study. The images are subjected to anisotropic diffusion filter to generate edge map. This edge map is used as a stopping boundary in variational level set method without re-initialisation to segment the intima-media layer. Geometric features are extracted from this layer and analyzed statistically. Results show that anisotropic diffusion filtering is able to extract the edges in both normal and abnormal images. The obtained edge maps are found to have high contrast and sharp edges. The edge based variational level set method is able to segment the intima-media layer precisely from common carotid artery. The extracted geometrical features such as major axis and extent are found to be statistically significant in differentiating normal and abnormal images. Thus this study seems to be clinically useful in diagnosis of cardiovascular disease.

  17. 冠心病患者颈动脉内膜中层厚度、微量白蛋白尿与冠脉狭窄程度的相关性分析%The analysis of the correlation between coronary heart disease patients with carotid intima -media thickness, ;microalbuminuria and the degree of coronary artery stenosis

    Institute of Scientific and Technical Information of China (English)

    王健; 滕涛

    2015-01-01

    目的:观察冠心病患者尿微量白蛋白、颈动脉内膜中层厚度(CIMT)及冠脉 Gensini 评分水平,探讨冠脉狭窄程度与尿微量白蛋白、颈动脉内膜中层厚度的相关性。方法选取冠心病住院患者50例及健康对照组50例,比较两组间尿微量白蛋白、CIMT 及冠脉 Gensini 评分。结果冠心病组尿微量白蛋白、CIMT分别为(38.36±19.51)mg/L、(1.18±0.25)mm,健康对照组尿微量白蛋白、CIMT 分别为(27.52±15.44)mg/L、(0.76±0.17)mm,两组差异均有统计学意义(t =3.080,P =0.002;t =9.823,P =0.000),冠心病组冠脉 Gensini评分与尿微量白蛋白、CIMT 呈正相关(r =0.288,P =0.430;r =0.308,P =0.290)。结论冠心病患者尿微量白蛋白、CIMT 与冠脉狭窄程度呈正相关关系,通过测定尿微量白蛋白及颈动脉内膜中层厚度,可预测冠状动脉狭窄程度。%Objective To observe the microdose albumin in urine,carotid intima -media thickness(CIMT) of coronary heart disease(CHD)patients′and coronary Gensini score level,to investigate the correlation between the extent of coronary stenosis and microalbuminuria,CIMT.Methods 50 cases of hospitalized patients with CHD and healthy control group of 50 cases were selected,to compare the score between the two groups of microalbuminuria, CIMT and coronary Gensini.Results CHD group:microalbuminuria and CIMT were (38.36 ±19.51 )mg/L, (1.18 ±0.25)mm respectively.Healthy control group:microalbuminuria and CIMT were (27.52 ±15.44)mg/L, (0.76 ±0.17)mm respectively.Differences between the two groups were statistically significant(t =3.080,P =0.002;t =9.823,P =0.000).CHD group:coronary Gensini score was positively correlated with microalbuminuria, CIMT(r =0.288,P =0.430 r =0.308,P =0.290).Conclusion The correlation between CHD patients'microalbu-minuria,CIMT and the degree of coronary artery stenosis is positive

  18. Evaluating changes of carotid artery in patients with impaired glucose tolerance and type 2 diabetes mellitus with quantitative intima-media thickness and quantitative arterial stiffness%内中膜厚度定量及动脉僵硬度分析技术评价糖耐量减低及2型糖尿病者颈总动脉改变

    Institute of Scientific and Technical Information of China (English)

    谭丽芳; 艾红; 王娟; 石秀英; 淡敏

    2012-01-01

    目的 应用血管内中膜厚度定量(QIMT)及动脉僵硬度分析(QAS)技术评价糖耐量减低(IGT)和2型糖尿病(T2DM)患者颈总动脉结构及功能的改变.方法 对病例组68例患者[30例IGT(IGT亚组)和38例T2DM(T2DM亚组)]及58名正常对照(NC)组的右侧颈总动脉行QIMT、QAS及相关血清学检查,获取以下参数:内中膜厚度(IMT)、顺应性系数(CC)、扩张性系数(DC)、僵硬度参数(β)、2 h血糖值(2hPG)、甘油三酯(TG),胆固醇(Ch),低密度脂蛋白(LDL),糖化血红蛋白(GHb),并分析NC组与病例组各亚组之间的差异及相关性.结果 T2DM亚组DC低于NC组(P<0.05),其余参数组间两两比较差异均有统计学意义(P均<0.05);IGT和T2DM亚组β和IMT、2hPG、LDL与GHb均呈正相关(P均<0.01).结论 QIMT及QAS技术可反映动脉血管的早期结构及功能变化,对诊断IGT及T2DM患者早期动脉粥样硬化具有一定价值.%Objective To investigate the structural and functional changes of carotid artery in patients with type 2 diabetes mellitus (T2DM) and impaired glucose tolerance (IGT) with quantitative intima-media thickness (QIMT) and quantitative arterial stiffness (QAS) technique. Methods The right side-of common carotid artery of 68 patients (30 IGT and 38 T2DM ) and 58 healthy controls (NC group) were examined with QIMT, QAS technique and relative serological testing. Parameters including triglyceride (TG), low-density lipoprotein ( LDL) , cholesterol (Ch), glycosylated hemoglobin (GHb), intima-media thickness (IMT), compliance coefficient (CO, distensibility coefficient (DC), stiffness index (β) and 2 h plasma glucose (2hPG) of carotid obtained were acquired and the statistically analyzed. Results DC in T2DM subgroup was lower than in NC group, while the other parameters all had statistical differences among groups (all P<0. 05). There was positive correlation between β and IMT, 2hPG. LDL, GHb in IGT and T2DM subgroup (all P<0. 01). Conclusion QIMT and QAS

  19. Alterations in adhesion molecules, pro-inflammatory cytokines and cell-derived microparticles contribute to intima-media thickness and symptoms in postmenopausal women.

    Science.gov (United States)

    Figueroa-Vega, Nicté; Moreno-Frías, Carmen; Malacara, Juan Manuel

    2015-01-01

    Menopause, the cessation of menses, occurs with estrogens decline, low-grade inflammation, and impaired endothelial function, contributing to atherosclerotic risk. Intima-media thickness (IMT) is an early subclinical biomarker of atherosclerosis. Inflammation may have a role on symptoms: hot flashes, anxiety, and depressive mood, which also are related to endothelial dysfunction, increased IMT and cardiovascular risk. In this study we compared several inflammatory markers in early vs. late postmenopausal women and studied the association of IMT and symptoms with these markers in the full sample. In a cross-sectional design including 60 women (53.1 ± 4.4 years old) at early and late postmenopause, we evaluated the expression of CD62L, ICAM-1, PSGL-1, CD11b, CD11c, and IL-8R on PBMC by flow cytometry. Serum soluble ICAM-1, sVCAM-1, sCD62E, sCD62P, CXCL8, IL-1β, IL-6, and TNF-α levels were quantified by ELISA. Plasma levels of microparticles (MPs) were determined by FACS. Finally, carotid intima-media thickness (IMT) was measured by ultrasound. We observed that ICAM-1 expression by lymphocytes and serum sVCAM-1 levels were augmented at late postmenopause. Late postmenopause women with severe hot flashes had increased expression of CD62L and IL-8R on neutrophils. By multivariate analysis, the carotid IMT was strongly associated with membrane-bound TNF-α, CD11b expression, Annexin V(+) CD3(+) MPs, LPS-induced NO production, HDL-cholesterol and age. Depressive mood was associated negatively with PSGL-1 and positively with LPS-induced NO. Finally, Log(AMH) levels were associated with carotid IMT, IL-8R expression and time since menopause. IMT and depressive mood were the main clinical features related to vascular inflammation. Aging, hormonal changes and obesity were also related to endothelial dysfunction. These findings provide further evidence for a link between estrogen deficiency and low-grade inflammation in endothelial impairment in mature women.

  20. Alterations in adhesion molecules, pro-inflammatory cytokines and cell-derived microparticles contribute to intima-media thickness and symptoms in postmenopausal women.

    Directory of Open Access Journals (Sweden)

    Nicté Figueroa-Vega

    Full Text Available Menopause, the cessation of menses, occurs with estrogens decline, low-grade inflammation, and impaired endothelial function, contributing to atherosclerotic risk. Intima-media thickness (IMT is an early subclinical biomarker of atherosclerosis. Inflammation may have a role on symptoms: hot flashes, anxiety, and depressive mood, which also are related to endothelial dysfunction, increased IMT and cardiovascular risk. In this study we compared several inflammatory markers in early vs. late postmenopausal women and studied the association of IMT and symptoms with these markers in the full sample. In a cross-sectional design including 60 women (53.1 ± 4.4 years old at early and late postmenopause, we evaluated the expression of CD62L, ICAM-1, PSGL-1, CD11b, CD11c, and IL-8R on PBMC by flow cytometry. Serum soluble ICAM-1, sVCAM-1, sCD62E, sCD62P, CXCL8, IL-1β, IL-6, and TNF-α levels were quantified by ELISA. Plasma levels of microparticles (MPs were determined by FACS. Finally, carotid intima-media thickness (IMT was measured by ultrasound. We observed that ICAM-1 expression by lymphocytes and serum sVCAM-1 levels were augmented at late postmenopause. Late postmenopause women with severe hot flashes had increased expression of CD62L and IL-8R on neutrophils. By multivariate analysis, the carotid IMT was strongly associated with membrane-bound TNF-α, CD11b expression, Annexin V(+ CD3(+ MPs, LPS-induced NO production, HDL-cholesterol and age. Depressive mood was associated negatively with PSGL-1 and positively with LPS-induced NO. Finally, Log(AMH levels were associated with carotid IMT, IL-8R expression and time since menopause. IMT and depressive mood were the main clinical features related to vascular inflammation. Aging, hormonal changes and obesity were also related to endothelial dysfunction. These findings provide further evidence for a link between estrogen deficiency and low-grade inflammation in endothelial impairment in mature women.

  1. Effects of testosterone replacement therapy on carotid artery intima-media thickness in middle-aged and elderly male patients%睾酮补充治疗对中老年男性颈动脉内膜中层厚度的影响

    Institute of Scientific and Technical Information of China (English)

    康冬梅; 沈干; 刘燕; 朱翔; 沈国栋; 胡世莲

    2013-01-01

    Objective To investigate the effects of testosterone (T) replacement therapy (TRT) on carotid artery intima-media thickness (IMT) in middle aged and elderly male patients.Methods A total of 80 middle-aged and elderly male patients with testosterone deficiency and increased carotid artery IMT were selected and randomly divided into two groups:the treatment group (n=38,treated with testosterone for 1 year) and the control group (n=42,without any treatment).The serum T level,IMT and prostate-specific antigen (PSA) before and after treatment were determined.The correlation between the testosterone level and carotid artery IMT was analyzed.Results There were no significant differences in the serum T level and IMT between the control group and the treatment group before treatment [(10.39 ± 1.44) nmol/L vs.(10.88 ± 1.87) nmol/L,(1.25 ±0.11) mm vs.(1.24±0.13) mm,t=1.32,-0.26,P=0.191,0.794].Compared with pretreatment,the serum T level was significantly increased and the IMT was significantly decreased in the treatment group afterTRT [(10.88±1.87) nmol/L vs.(22.83±1.56) nmol/L,(1.24±0.13) mmvs.(1.18±0.16) mm,t=-29.14,2.55,P=0.000,0.015],while no significant differences in the serum T level and IMT were found in the control group before and after treatment [(10.39± 1.44)nmol/L vs.(9.99±1.72) nmol/L,(1.25±0.11) mm vs.(1.27±0.11) mm,t=1.24,-1.00,P =0.219,0.323].Linear correlation analysis showed that the serum T level was negatively correlated with IMT (r-0.605,P=0.000) and multiple regression analysis showed that the T level was an independent factor for IMT.Conclusions Testosterone replacement therapy is an effective treatment to alleviate IMT in middle-aged and elderly male patients,which may play an important role in preventing cardiovascular diseases in middle-aged and elderly male patients.%目的 观察睾酮补充治疗对中老年男性颈动脉内膜中层厚度(IMT)的影响. 方法 选取2008年10月至2011年11月在我院保健中心及门诊体检血

  2. 中青年男性体脂分布与颈动脉内膜中层厚度的相关研究%The study of relationship between body fat distribution and carotid intima-media thickness in young and middle-aged men

    Institute of Scientific and Technical Information of China (English)

    马春朋; 刘兰祥; 杨蕾; 刘晓丽; 王锐; 尹福在; 陆强

    2013-01-01

    Objective To evaluate the relationship between fat distribution and carotid intima-media thickness (CIMT) in young and middle-aged men.Methods Five hundred and one men aged 20-50 years who took physical examination in the first hospital of qinhuangdao were selected.The abdominal obesity group included 299 cases with waist circumference ≥90 cm,and the normol waist circumference group included 202 cases with waist circumference <90 cm.Height,weight and waist circumference were measured and body mass index was calculated.Fasting insulin (FINS) and fasting plasma glucose (FPG) were detected,and homeostasis model assay insulin resistance index (HOMA-IR) was calculated.Total body fat mass (BF),body muscle mass (BM),truncal fat mass (TrF),upper limb fat mass (UF),limb fat mass (LF) were measured by dual energy X-ray absorptiometry (DEXA).BF%(=BF/W) and TrF/BF were calculated.CIMT was detected with color ultrasound.Results (1) The abdominal obesity group showed increased levels of BF%,TrF/BF,BF,BM,TrF,UF,LF,body mass index,waist circumference,CIMT and HOMA-IR,compared with normol waist circumference group (all P <0.05).(2) In Pearson correlation analysis,CIMT had positive correlation with BF%,TrF/BF,BF,BM,TrF,UF,LF,body mass index and waist circumference (R=0.443,0.481,0.429,0.377,0.472,0.376,0.304,all P <0.05).(3)In Pearson correlation analysis,HOMA-IR had positive correlation with BF%,TrF/BF,BF,BM,TrF,UF,LF,body mass index,waist circumference(R =0.510,0.441,0.576,0.502,0.528,0.526,0.577,0.384,0.639,all P<0.05).HOMA-IR had positive correlation with CIMT (R =0.416,P <0.05).(4)In multiple regression analyses,TrF/BF and body mass index were the independent risk factors of CIMT.Conclusion Fat distribution was closely related with CIMT and insulin resistance in young and middle-aged men.To prevent carotid atherosclerosis and cardiovascular diseases,exercise should be recommended and abdominal obesity should be avoided.%目的 探讨中青年男性体

  3. The Effect of Rosuvastatin Combined with Perindopril on LDL-C/HDL-C and Carotid Intima Media Thickness in Hypertension Patients%瑞舒伐他汀联合培哚普利对高血压患者 LDL-C 与 HDL-C 比值和颈动脉内膜中层厚度的影响

    Institute of Scientific and Technical Information of China (English)

    陆洋; 张跃明; 颜永进

    2014-01-01

    目的:探讨瑞舒伐他汀联合培哚普利对高血压患者低密度脂蛋白胆固醇( LDL-C )/高密度脂蛋白胆固醇( HDL-C)和颈动脉内膜中层厚度( IMT)的影响及二者之间的相关性。方法:入选初诊高血压伴高LDL-C血症患者126例,在给予基础降压治疗基础上随机分为治疗组63例(培哚普利+瑞舒伐他汀治疗)和对照组63例(瑞舒伐他汀治疗)。比较治疗前和治疗3周后血压、LDL-C、HDL-C、LDL-C/HDL-C和IMT变化。结果:治疗后治疗组收缩压、舒张压和平均动脉压均较对照组下降明显(P=0.012,P=0.029,P=0.037)。两组患者治疗前后LDL-C、HDL-C比较均没有统计学差异(P均>0.05)。但治疗组治疗后LDL-C/HDL-C下降较对照组明显(P=0.007),平均IMT和最大IMT均明显小于照组( P=0.001,P<0.001)。治疗前后LDL-C/HDL-C差值与平均IMT差值呈正相关( P<0.001,r=0.742)。结论:瑞舒伐他汀联合培哚普利可以逆转高血压伴高LDL-C血症患者颈动脉内膜斑块,二者联合使用对减少心脑血管疾病的发生有重要意义。%Objective:To investigate the efficacy of rosuvastatin combined with perindopril on LDL-C/HDL-C and carotid intima media thickness ( IMT) in hypertension patients, and the correlation between LDL-C/HDL-C and IMT.Method:A total of 126 high LDL-C patients with newly diagnosed hypertension were randomized to treatment group (n=63) and control group (n=63) after enrolled.On the basis of rou-tine antihypertensive therapy , treatment group received rosuvastatin treatment with the addition of perindopril and control group received rosuvastatin treatment only .Blood pressure , LDL-C, HDL-C, LDL-C/HDL-C and IMT were collected before and after 3 weeks treatment .Result:Systolic blood pressure ( SBP ) , dystolic blood pressure ( DBP ) , and mean blood pressure in treatment group were lower than that in control group af

  4. Assessment of intima-media complex in carotid, femoral and right subclavian arteries for early investigation of atherosclerosis in HIV-infected patients

    Directory of Open Access Journals (Sweden)

    Emmanuelle Tenorio Albuquerque Madruga Godoi

    2013-12-01

    Full Text Available Objective To compare automatic and manual measurements of intima-media complex (IMC in common carotid, common femoral and right subclavian arteries of HIV-infected patients in relation to a control group, taking into consideration the classical risk factors for atherosclerosis. Materials and Methods The study sample comprised 70 HIV-infected patients and 70 non-HIV-infected controls paired according sex and age. Automatic (gold standard and manual measurements of IMC were performed in the carotid arteries. Manual measurements were also performed in common femoral and right subclavian arteries. Bland-Altman graphs were utilized in the comparison and the adopted level significance was 5%. Results Intima-media complex alterations were not observed in any of the individuals as the mean automatic measurement in the right common carotid (RCC artery was considered as the gold standard. As the gold standard was compared with the manual measurements (mean, maximum and minimum, no clinically significant alteration was observed. As the gold standard was compared with other sites, the difference was statistically and clinically significant at the origin of right subclavian artery (RCC: 0.51 mm vs. 0.91 mm (p < 0.001. Conclusion HIV-infected individuals are not at higher risk for atherosclerosis than the control population.

  5. Relationship between blood pressure variability, C-reactive protein and intima-media thickness of carotid artery%血压变异性与高敏C反应蛋白及颈动脉内膜中层厚度的关系

    Institute of Scientific and Technical Information of China (English)

    陈平安; 刘戬; 李韶南

    2012-01-01

    Objective:To explore the correlation between blood pressure variability (BPV), high sensitive C-reactive protein (hs-CRP), angiotensin-contracting-enzyme (ACE), and intima-media thickness (IMT) of carotid artery in patients with essential hypertention. Method:One hundred and twenty-six patients with essential hyper-tention were divided into three groups, according to standard deviation (SD) of night systolic blood pressure (SBP), high BPV group, median BPV group and low BPV group. IMT and plaque were measured by Doppler ultrasound. Levels of hs-CRP and ACE were detected by automatic chemistry analyzer. Result; Hs-CRP and IMT were higher in high BPV group than those in low BPV group [hs-CRP:(3. 78 ± 3. 63)mg/L vs (2. 24±1. 92)mg/ L; IMT:(1. 01±0. 16)mm vs (0. 91±0. 17)mm, all P<0. 05]. We also observed IMT was higher in patients whose 24-hour mean blood pressure (24 hmBP) was controlled than that in those 24 hmBP was not controlled well [(1. 00±0. 19)mm vs (0. 93 ± 0. 16)mm, P<0. 05]. SSD was higher in high IMT group than that in IMT normal group. Correlation analysis showed a significantly positive correlation between IMT and 24hmSBP, daytime mSBP, night mean SBP, SD of night SBP, SD of night DBP and LDL (r=0. 218, 0. 211, 0. 210, 0. 176, 0. 191, 0. 267). Mutiple linear regression analysis also showed a positive correlation between IMT and 24 hmSBP, LDL. Conclusion:BPV closely relates to hs-CRP and IMT.%目的:探讨高血压患者血压变异性(BPV)与高敏C反应蛋白(hs-CRP)及颈动脉内膜中层厚度(IMT)的关系.方法:依据夜间收缩压标准差的三分位间距将126例高血压患者分为低BPV组、中BPV组和高BPV组.彩色多普勒超声仪测定IMT和颈动脉斑块,同时检测血浆hs-CRP和血管紧张素转化酶(ACE).结果:高BPV组hs-CRP水平和IMT较低BPV组增加[hs-CRP:(3.78±3.63)mg/L:(2.24±1.92) mg/L;IMT:(1.01±0.16)mm:(0.91±0.17)mm;均P<0.05].24 h血压不达标亚组IMT较达标亚组明显增加[(1.00±0.19)mm:(0

  6. Preliminary research on relationship between long-term low dose radiation exposure and the carotid intima-media thickness of female residents in high background radiation area in Yangjiang, China%阳江高本底女性居民低剂量辐射照射与颈动脉中内膜厚度关系的初步研究

    Institute of Scientific and Technical Information of China (English)

    苏垠平; 谭光享; 雷淑洁; 邹剑明; 张素芬; 刘建香; 李小亮; 孙全富; 秋葉澄伯

    2016-01-01

    Objective To explore the effect on cardiovascular and cerebrovascular diseases for people due to long-term low dose radiation exposure.Methods Four regions were selected from the high background radiation area (HBRA) in Yangjiang,featuring highest external γ radiation dose rate,and two regions from control area (CA) was chosen at the similar distance from downtown as four regions selected from the high background radiation area.Each of one hundred female residents aged more than 50 years old respectively selected from the HBRA in Yangjiang and in the CA.The carotid intima-media thickness (CIMT) was measured using ultrasonic examination.The peripheral venous was sampled to measure the levels of total cholesterol,triglycerides,high-density lipoprotein (HDL) cholesterol and low-density lipoprotein (LDL) cholesterol.Blood pressure,height and weight were also measured.Personal life and living history were collected through questionnaires.The estimation of personal lifetime accumulated radiation dose was based on γ-ray dose rate from indoor and outdoor and the age-related occupancy factor obtained from the previous studies.Results There were statistically significant differences of accumulated radiation dose and CIMT of residents between Yangjiang HBRA and CA [(161.2 ± 38.6) mSy vs.(43.7±7.3) mSv,L (1.0±0.3) mm/R (1.0±0.2) mm vs.L&R (0.9±0.2) mm].The average age was (65.2 ± 10.4) years old for HBRA and (60.7 ± 8.0) years old for CA,respectively.After adjusting confounding factors,including age,blood pressure,BMI and serum cholesterol,the increased cumulative radiation dose was shown to be a risk factor for thickening left CIMT (β =0.000 7,P <0.05).The left CIMT for different dose groups was 0.9,1.0,0.9 and 1.1 mm for < 50,50-100,100-200,> 200 mSv,respectively.Conclusions Long-term low dose radiation exposure may age the vascular,and increasing the risk of atherosclerosis.%目的 探索长期低剂量电离辐射对人群心

  7. 老年2型糖尿病患者颈动脉病变与血清铜锌的关系%Relationship of Serum Copper and Zinc Levels to Carotid Intima-media Thickness of Elderly Patients with Type 2 Diabetes Mellitus

    Institute of Scientific and Technical Information of China (English)

    海静如

    2012-01-01

    Objective To investigate the relationship between carotid intima-media thickness( IMT )and serum microelements of elderly patients with type 2 diabetes. Methods 180 patients with type 2 diabetes were divided into non-elderly group and elderly group, and 90 healthy people were chosen as control group. Serum levels of copper and zinc were detected by atomic absorption spectroscopy. Blood pressure,body mass index,blood sugar,blood fat and IMT were also detected and compared among different groups. Pearson correlation test was applied in the study. Results Blood pressure in elderly group was significantly higher than non-elderly group and control group( P 0.05 ). Compared to non-elderly group,the serum levels of FPG.HbA1cHOMA-IR,TC,TG and LDL-C were statistically higher, and the serum levels of HDL-C was statistically lower in elderly group( P < 0. 05 ). Compared to control group, serum levels of copper in non-elderly group and elderly group were statistically higher,but serum levels of zinc were statistically lower( P <0. 05 ). Compared to non-elderly group,serum level of copper in elderly group was statistically higher,but serum level of zinc was statistically lower( P < 0. 05 ). Pearson correlation tests showed that serum level of copper was positively correlated with IMT and blood sugar, and serum level of zinc was negatively correlated with IMT and blood sugar both in on-elderly group and elderly group. Conclusion High level of serum copper and low level of serum zinc may play an important role on IMT in elderly patients with diabetes.%目的 探讨老年2型糖尿病患者大血管病变与血清微量元素的关系.方法 随机选择非老年2型糖尿病患者和老年2型糖尿病患者各90例,以90例健康体检者作为对照组.采用原子吸收光谱法测定血铜和血锌水平,超声检测颈动脉内膜中层厚度(IMT),同时检测患者血压、体重指数、血糖、血脂.将血铜和血锌水平与血压、体重指数、血糖、血脂

  8. 亚临床甲状腺功能减退患者中医体质分型及其与颈动脉内膜中层厚度的相关性%Correlation Between Distribution of TCM Constitutional Types and Carotid Artery Intima-media Thickness in Patients with Subclinical Hypothyroidism

    Institute of Scientific and Technical Information of China (English)

    李胜男; 滕涛

    2015-01-01

    Objective To discuss the correlation between the distribution of TCM constitutional types and carotid artery intima-media thickness (CIMT) in patients with subclinical hypothyroidism;To select the biased constitution type with high risk factors for atherosclerosis;To provide theoretical basis for preventing this disease from the perspective of TCM physique. Methods Totally 120 patients with subclinical hypothyroidism and 50 cases of normal healthy subjects were selected. TCM constitutional types of two groups were distinguished by KY3H TCM physique recognition software. CIMT was determined, and the correlation between the distribution of TCM constitutional types and CIMT in patients with subclinical hypothyroidism was analyzed. Results In 120 cases of subclinical hypothyroidism, there were 3 cases of gentleness type (2.50%), 30 cases of qi-depression type (25.00%), 28 cases of qi-deficiency type (23.33%), 25 cases of yang-deficiency type (20.83%), 13 cases of phlegm-damp type (10.84%), 9 cases of yin-deficiency type (7.50%), 6 cases of blood stasis type (5.00%), 5 cases of dampness heat type (4.17%), 1 case of particular type (0.83%). The main TCM constitutional types of subclinical hypothyroidism were qi-depression type, qi-deficiency type, yang-deficiency type and phlegm-damp type. The morbidity of atherosclerosis in patients with qi-depression type and qi-deficiency type were higher than other constitutional types. Conclusion The main TCM constitutional types of subclinical hypothyroidism were qi-depression type, qi-deficiency type, yang-deficiency type and phlegm-damp type.%目的:探讨亚临床甲状腺功能减退(以下简称“亚临床甲减”)患者中医体质类型特点及其与颈动脉内膜中层厚度的关系,筛选出存在动脉粥样硬化高危险因素的偏颇体质类型,为从中医体质角度预防本病提供依据。方法选取亚临床甲减者120例,正常健康者50例,均采用北京炎黄东方健康

  9. Effect of Pioglitazone Compared With Glimepiride on Carotid Intima-Media Thickness in Type 2 Diabetes A Randomized Trial%格列美脲与匹格列酮对2型糖尿病患者颈动脉内膜中层厚度影响的比较研究随机试验

    Institute of Scientific and Technical Information of China (English)

    Theodore Mazzone; 胡与; Peter M. Meyer; Steven B. Feinstein; Michael H. Davidson; George T. Kondos; Ralph B. D' Agostino; Alfonsp Perez; Jean-Claude Provost; Steven M. Haffner

    2007-01-01

    背景:颈动脉内膜中层厚度(carotid artery intima-media thickness,CIMT)是冠状动脉粥样硬化的一种标志物,可以独立地预测心血管事件的发生.2型糖尿病患者心血管事件有所增加.尽管相对短期的研究显示,噻唑烷二酮类药物(例如匹格列酮)可以减缓CIMT的进展,但是长期研究结果目前尚不明确.目的:与格列美脲比较,评估匹格列酮对2型糖尿病患者颈总动脉CIMT变化的影响.设计、地点及参试者:2003年10月至2006年5月于芝加哥城区28家临床单位收治的2型糖尿病患者中进行随机、双盲、对照、多中心试验.治疗期为72周(随访1周).在每个中心由一位超声检查操作者采集CIMT影像,由一位不了解治疗分组情况的判读者应用自动边缘检测技术进行判读.462例2型糖尿病成人患者(平均年龄,60[SD,8.1]岁;平均体重指数,32[SD,5.1];平均病程7.7[SD,7.2]年;平均糖化血红蛋白值[HbA1c],7.4%[SD,1.0%])或者为新近确诊,或者为目前已接受饮食/锻炼、磺酰脲类、二甲双胍、胰岛素或联合治疗的患者.干预:盐酸匹格列酮(15~45 mg/d)和作为有效比较的格列美脲(1~4 mg/d).主要观测指标:与基线比较,最后随访时左右两侧颈总动脉后壁平均CIMT的绝对变化.结果:与格列美脲比较,各时点(24、48、72周)匹格列酮组CIMT的平均变化较小.72周时,匹格列酮组与格列美脲组比较,平均CIMT进展一级终点较小(分别为-0.001 mm 和+0.012 mm;差别为-0.013 mm;95%可信区间,-0.024至-0.002;P=0.02).与格列美脲比较,匹格列酮还可减缓最大CIMT进展(72周时分别为0.002 mm和0.026 mm;差别为-0.024 rain;95%可信区间,-0.042至-0.006;P=0.008).在根据年龄、性别、收缩压、DM:病程、体重指数、HbA1c值以及他汀类药物使用预先确定的各亚组问,匹格列酮对平均CIMT的有益效应相似.结论:与格列美脲比较,在为期18个月的治疗期间,匹格列酮减缓了2型糖尿病患者CIMT的进展.

  10. Intima media thickness measurement in children: A statement from the Association for European Paediatric Cardiology (AEPC) Working Group on Cardiovascular Prevention endorsed by the Association for European Paediatric Cardiology.

    Science.gov (United States)

    Dalla Pozza, Robert; Ehringer-Schetitska, Doris; Fritsch, Peter; Jokinen, Eero; Petropoulos, Andreas; Oberhoffer, Renate

    2015-02-01

    Atherosclerosis causing cardiovascular disease is the most common cause of death in the developed world. Early precursors of vascular changes - subclinical atherosclerosis - warrant special attention as this process can be stabilized or even reversed if treated in time. Sonographic Intima Media Thickness measurement of the carotid artery (cIMT: carotid Intima-Media-Thickness) is considered a valid surrogate marker for cardiovascular risk allowing assessment of atherosclerotic changes at a very early stage. It is easy to apply due to its non-invasive character. Moreover, cIMT has been proven to provide reliable and reproducible results both in adult and adolescent patients. For the paediatric age group, several characteristics deserve special consideration. The heterogeneity of techniques of scanning, measurement and interpretation impede the comparison and interpretation of IMT values so far. Also, age- and sex-dependent normative data have to be considered for interpretation. Thus, the Association for European Paediatric Cardiology (AEPC) Working Group on Cardiovascular Prevention concludes to refer a statement on cIMT scanning, measurement and interpretation with special focus on paediatric patients. This statement includes an overview on normative data available as well as a practical guideline for the setting, scanning, measurement and interpretation of IMT values. Synchronizing different measurement methods will allow for comparing the results of several research centers. By that, in a large patient number, sufficient information may be given to assess the long-term endpoints of cardiovascular morbidity and mortality.

  11. Circulating lipocalin-2 and retinol-binding protein 4 are associated with intima-media thickness and subclinical atherosclerosis in patients with type 2 diabetes.

    Directory of Open Access Journals (Sweden)

    Yang Xiao

    Full Text Available BACKGROUND: The lipocalin family proteins, including lipocalin-2 and retinol-binding protein 4 (RBP4, are adipokines closely associated with obesity-related metabolic disorders. In this study, we evaluated the association of serum lipocalin-2 and RBP4 with intima-media thickness (IMT and subclinical atherosclerosis in type 2 diabetic patients. METHODS AND RESULTS: Serum levels of lipocalin-2 and RBP4 were measured in 284 type 2 diabetic patients. Subclinical atherosclerosis was assessed by IMT at carotid, femoral and iliac arteries with ultrasound. Patients with subclinical atherosclerosis showed significantly higher circulating concentrations of lipocalin-2 and RBP4 when compared to those without [112.9 (86.4 to 202.1 µg/L versus 77.2(55.0-150.4 µg/L, 37.1(32.3-40.8 mg/L versus 23.2(20.1-29.2 mg/L, respectively; P = 0.002, P<0.001, respectively]. Moreover, positive correlations were observed between carotid IMT and lipocalin-2 (r = 0.170, P = 0.018 or RBP4 (r = 0.132, P = 0.040, femoral IMT and lipocalin-2 (r = 0.160, P = 0.027, as well as between iliac IMT and RBP4 (r = 0.241, P<0.001. Multiple logistic regression analysis further demonstrated that these two adipokines were independent risk factors for subclinical atherosclerosis in type 2 diabetes. CONCLUSION: Circulating levels of lipocalin-2 and RBP4 are positively correlated with carotid IMT and subclinical atherosclerosis in type 2 diabetes, which suggests a potential role of these two lipid-binding chaperones in the pathogenesis of vascular complications of diabetes.

  12. Endothelial dysfunction and brachial intima-media thickness: long term cardiovascular risk with claudication related to peripheral arterial disease: a prospective analysis.

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    Franz Hafner

    Full Text Available OBJECTIVE: Endothelial dysfunction plays a key role in the development, progression, and clinical manifestation of atherosclerosis, and in symptomatic peripheral arterial disease, endothelial dysfunction and enlarged intima-media thickness might be associated with increased cardiovascular risk. Flow-mediated dilatation and serologic parameters are used to evaluate individual endothelial function. Brachial intima-media thickness, a less recognized parameter of cardiovascular risk, is independently associated with coronary artery disease. The aim of this study was to evaluate the prognostic value of ultrasound and serologic parameters of endothelial function in relation to cardiovascular mortality in peripheral arterial disease. DESIGN: monocentric, prospective cohort study. METHODS: Flow mediated dilatation and brachial intima-media thickness were assessed in 184 (124 male patients with peripheral arterial disease (Rutherford stages 2-3. Serologic parameters of endothelial function included asymmetric dimethylarginine (ADMA, symmetric dimethylarginine (SDMA, and L-homoarginine. Cardiovascular events were recorded during a follow-up of 99.1±11.1 months. Subjects who died of noncardiovascular causes were excluded from further analysis. RESULTS: Eighty-two patients (44.6% died during follow-up after a mean duration of 49.7±28.3 months. There were 49 cardiovascular deaths (59.8% and 33 other deaths (40.2%. Flow mediated dilatation was associated with cardiovascular death [1.17% (0.0, 4.3 vs. 4.1% (1.2, 6.4, p<0.001]. Intima-media thickness was greater in patients who succumbed to cardiovascular disease [0.37 mm (0.30, 0.41] than in survivors [0.21 mm (0.15, 0.38, p<0.001]. Brachial intima-media thickness above 0.345 mm was most predictive of cardiovascular death, with sensitivity and specificity values of 0.714 and 0.657, respectively (p<0.001. Furthermore, ADMA levels above 0.745 µmol/l and SDMA levels above 0.825 µmol/l were significantly

  13. Aortic intima-media thickness and aortic diameter in small for gestational age and growth restricted fetuses.

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    M Dolores Gomez-Roig

    Full Text Available The objective of this study is to measure aortic intima-media thickness (aIMT and aortic diameter (AD in appropriate for gestational age (AGA fetuses, small for gestational age (SGA fetuses, and intrauterine growth restricted (IUGR fetuses.Case-control study performed between June 2011 and June 2012. Forty-nine AGA fetuses, 40 SGA fetuses, and 35 IUGR fetuses underwent concomitant measurement of aIMT and AD at a mean gestational age of 34.4 weeks.Median aIMT was higher in fetuses with IUGR (0.504 mm [95%CI: 0.477-0.530 mm], than in SGA fetuses (0.466 mm [95% CI: 0.447-0.485 mm], and AGA fetuses (0.471 mm [95% CI: 0.454-0.488 mm] (p = 0.023. Mean AD was significantly lower in fetuses with IUGR (4.451 mm [95% CI: 4.258-4.655 mm], than in AGA fetuses (4.74 mm [95% CI: 4.63-4.843 mm] (p = 0.028.Growth restricted fetuses have a thicker aortic wall than AGA and SGA fetuses, which possibly represents preclinical atherosclerosis and a predisposition to later cardiovascular disease.

  14. Increased brachial intima-media thickness is associated with circulating levels of asymmetric dimethylarginine in patients with COPD

    Science.gov (United States)

    Urban, Matthias Helmut; Eickhoff, Philipp; Funk, Georg-Christian; Burghuber, Otto Chris; Wolzt, Michael; Valipour, Arschang

    2017-01-01

    Background Chronic obstructive pulmonary disease (COPD) is associated with an increased cardiovascular risk. However, the mechanisms for this association are yet unclear. The aim of this study was to investigate the relationship between brachial intima-media thickness (B-IMT), an independent predictor of cardiovascular risk, systemic inflammation, and asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase, in patients with COPD and respective controls. Methods The study sample consisted of 60 patients with stable COPD, free from overt cardiovascular disorders, as well as 20 smoking and 20 nonsmoking controls. Ultrasound assessment of B-IMT, spirometry, venous blood sampling for quantification of inflammatory markers and ADMA levels were carried out, and individual cardiovascular risk was calculated via the Framingham risk score. Results Patients with COPD showed significantly higher B-IMT compared to smoking (P=0.007) and nonsmoking controls (P=0.033). COPD patients with elevated B-IMT had a twofold increased calculated 10-year risk for cardiovascular events compared to those below the recommended cutoff (P=0.002). B-IMT was significantly associated with systemic inflammation (interleukin-6 [IL-6]; r=0.365, P=0.006) and ADMA (r=0.331, P=0.013) in COPD. Multivariate linear regression revealed male sex and ADMA as independent predictors of B-IMT in this study sample. Conclusion B-IMT is significantly increased in patients with COPD and is associated with systemic inflammation and ADMA levels.

  15. Intima-Media Thickness Measurements in the Fetus and Mother During Pregnancy

    DEFF Research Database (Denmark)

    Galjaard, Sander; Pasman, Suzanne A; Ameye, Lieveke

    2014-01-01

    arterial locations to determine vascular changes that could be associated with impaired vascular function. IMT was measured from the first to third trimester (12-34 wk), in 38 low-risk pregnancies. We imaged a 10-mm region of interest using a Mindray (Shenzhen, China) high-resolution ultrasound machine...... with automated IMT measurement software. Fetal abdominal aorta IMT was measurable during the second trimester in 71% and during the third trimester in 100% of the case, and umbilical artery IMT was measurable in 50% and 82% of cases during the second and third trimesters, respectively. Fetal IMT measurements...... were not possible during the first trimester. It was not often feasible to measure the IMT of the fetal common carotid artery, fetal renal artery and maternal iliac artery (maximal 20% of cases). Maternal common carotid artery, abdominal aorta and uterine artery IMTs were measurable throughout...

  16. Cholesteryl ester transfer protein, low density lipoprotein particle size and intima media thickness in patients with coronary heart disease.

    Science.gov (United States)

    Tosheska, Katerina; Labudovic, Danica; Jovanova, Silvana; Jaglikovski, Branko; Alabakovska, Sonja

    2011-08-01

    Cholesteryl ester transfer protein (CETP) plays a key role in reverse cholesterol transport and high density lipoprotein (HDL) metabolism. Predominance of small, dense LDL particles is associated with an increased risk of atherosclerosis and coronary heart disease (CHD).The aim of the study was to determine the potential relationship between the CETP concentration and low density lipoprotein (LDL) particle size and their association with intima media thickness (IMT) in patients with CHD. Lipid parameters, CETP concentration and LDL particle size were determined in 100 healthy subjects (control group) and in 100 patients with CHD, aged 43 to 77 years. Plasma CETP concentrations were measured by an enzyme-linked immuno-sorbent assay with two different monoclonal antibodies. LDL subclasses were separated by nondenaturing polyacrilamide 3-31% gradient gel electrophoresis. CETP concentration was higher in patients compared to controls (2.02 ± 0.75 mg/ml vs. 1.74 ± 0.63 mg/ml, p<0.01). Mean LDL particle size (nm) was significantly smaller in patients than in controls (24.5 ± 1.1 vs. 26.1 ± 0.9; p<0.001). There was no relation between LDL particle size and CETP concentration (r=-0.1807, p=0.072). Age, diastolic blood pressure, CETP concentration and LDL particle size were independent factors for determing IMT by multiple linear regression analysis. They accounted for 35.2 % of the observed variability in IMT. CETP is not an independent contributor of LDL particle size. CETP might play a role in determining lipoprotein distributions, but did not seem to be the sole factor in the formation of small LDL particles.

  17. Deranged aortic intima-media thickness, plasma triglycerides and granulopoiesis in Sl/Sld mice

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    Kottarappat N. Dileepan

    2004-01-01

    Full Text Available STUDIES were carried out to evaluate the impact of a high-fat dietary regimen on aortic wall thickness, peripheral blood leukocyte profile, and plasma cholesterol and triglyceride levels in the mast cell-deficient Sl/Sld mouse. The results demonstrated that the mean aortic wall thickness of Sl/Sld mice was significantly higher than their normal littermates, and were increased in both genotypes after a 17-day high-fat regimen. In comparison with normal littermates, Sl/Sld genotypes had elevated levels of plasma triglycerides with normal levels of plasma cholesterol, and the high-fat diet markedly lowered the triglyceride levels. Total peripheral blood leukocytes, the monocyte and granulocyte counts, and hemoglobin levels were significantly lower in Sl/Sld mice, although the number of lymphocytes, eosinophils and basophils were the same in both genotypes. Interestingly, the high-fat diet regimen elevated leukocyte counts and the number of monocytes and granulocytes in Sl/Sld mice.

  18. THE LATENT INTERCONNECTION OF THE FACTORS OF ATHEROSCLEROSIS PROGRESSION WITH A THICKNESS OF INTIMA-MEDIA BY USE OF MULTIDIMENSIONAL STATISTICAL METHODS ANALYSIS

    Directory of Open Access Journals (Sweden)

    A. P. Shavrin

    2011-01-01

    Full Text Available The aim – the study of latent relationships between indicators of the thickness of intima-media (CMM and infectious, immune, inflammatory and metabolic factors in patients with varying degrees of severity of vascular changes in these multivariate methods of statistical analysis.Materials and methods. Study included 220 patients (mean age – 43,9 ± 0,5 years who were divided into 3 groups. Group 1 consisted of thepatients with no risk factors of cardiovascular disease (CVD, the 2nd – the presence of the above factors, in third – with atherosclerotic plaques in the carotid artery. Every patient had conducted a comprehensive survey, which included an ultrasound of vessels on the apparatus Aloka 5000 with the measurement of the thickness of KIM, the study of lipid panel, the definition of C-reactive protein and cytokines – tumor necrosis factor-α, interferon-γ, interleukin-1, -8, -4, antibodies to cytomegalovirus immunoglobulin (CMV, herpes simplex virus type 1, C. pneumoniae, H. pylori and β-hemolytic streptococcus group A. The immune system status was assessed by indicators of innate and acquired immunity.Results. According to cluster analysis, all groups of patients revealed the presence of close relationships with linear thickness KIM, infectious, immune and metabolic markers, and in patients with atherosclerotic plaques in blood vessels links with indicators of inflammation are additionally found. Using factor analysis latent variables exist revealed, consisting of indices and thickness of the CMM, in group 1 – blood lipids, in the 2nd – infectious factors (CMV, C. pneumoniae and immune parameters. In the 3rd group vascular wall was linked with infectious diseases, immune and inflammatory indices and blood lipids, and systolic and diastolic blood pressure.Conclusion. The closest relationship with vascular wall of the studied parameters was observed in patients with risk factors of cardiovasculardisease, and in the

  19. 中老年人糖化血红蛋白水平与颈动脉内膜-中层厚度的相关性研究:广州生物库心血管疾病亚队列%Effects of plasma levels of glycosylated hemoglobin A1c on carotid intima media thickness in the elderly Chinese people:the cardiovascular disease subgroup of Guangzhou Biobank Cohort Study

    Institute of Scientific and Technical Information of China (English)

    林洁明; 林大庆; 江朝强; 徐琳; 刘斌; 岳晓军; 靳雅丽; Thomas GN

    2010-01-01

    Objective To investigate the effect of glycosylated hemoglobin A1c(HbA1c) on carotid atheresclerosis in relatively healthy elderly Chinese people.Methods A total of 1863 relatively healthy Chinese people(≥50 years old)were randomized enrolled from the Guangzhou Biobank Cohort Study(GBCS).Personal general historiy Was collected before the study in all object.The blood pressure,fasting glucose,lipids,HbA1c and common carotid artery intima-median thickness(CCA-IMT)were measured respectively.After adjustment relevant confounding factors,analysis of convariance was used for continuous variable analysis.Results (1)Ater adjusting for age,sex and fasting glucose,mean CCA-IMT were increased significantly with the increase of HbA1c level in all participant(P=0.005).The results of linear regression models show that, HbA1c levels was positively associated with mean CCA-IMT after adjusting for age,sex,smoking,physical activity,waist circumference,systolic and diastolic blood pressure,triglyceride,hish-density,low-density lipoprotein cholesterol and fasting glucose(regression coefficient t=0.014,P=0.03).Compared to the optimal group(HbA1c7.5%)were 1.62(1.10,2.38)and 1.76(0.86,3.63)respectively(P for trend=0.01).Conclusions Increasing HbA1c level is an independent risk factor for carotid athemsclerosis;that HbA1c-lowering treatment may be an important means for preventing the progression of carotid atherosclerosis.%目的 探讨相对健康的中老年人血中糖化血红蛋白(HbAlc)含量对颈动脉硬化的影响.方法 从广州生物库队列中单纯随机抽样收集1863名年龄≥50岁的广州市居民的个人资料,问卷调查其病史、体格检查及测定血清空腹血糖、血脂、HbA1c的含量并应用彩色多普勒超声测量颈总动脉内膜-中层厚度(intima media thickness,IMT).在调整相关混染因素后,应用协方差分析进行连续变量分析.结果 (1)在调整年龄、性别和空腹血糖等因素后,平均颈总动脉IMT随HbA1c

  20. 痛风患者颈动脉内膜-中膜厚度与UA、CRP水平的关系探讨%RELATIONSHIP BETWEEN THE INTIMA-MEDIA THICKNESS OF CAROTID,BLOOD URIC ACID LEVEL AND C-REACTIVE PROTEIN IN PATIENTS WITH GOUT

    Institute of Scientific and Technical Information of China (English)

    欧阳清; 于健; 刘健; 陈辉; 周燕; 祖颖

    2011-01-01

    [目的]通过研究痛风患者颈动脉内膜-中膜厚度(IMT)与血尿酸(UA)、C 反应蛋白(CRP)的关系,研究 UA、CRP 在痛风患者动脉粥样硬化的作用.[方法]60 例痛风患者,正常对照组 40 例,分析 2 组人群空腹血糖(FPG)、总胆固醇(TC)、甘油三酯(TG)、高密度脂蛋白(HDL-C)、低密度脂蛋白(LDL-C)、血尿酸、C 反应蛋白,测定颈动脉内膜-中膜厚度,同时计算体重指数(BMI).[结果]痛风患者组与正常组比较:年龄、FPG、TG、HDL-C、BMI 无统计学差异(均P>0.05),UA、CRP、IMT 有统计学差异(P<0.01或P<0.05).痛风患者 IMT 与年龄、TC、TG、LDL-c、UA、BMI、CRP呈正相关(P<0.05或 P<0.01).[结论]UA、CRP 水平升高与痛风患者动脉粥样硬化(AS)关系密切,关注痛风患者 UA、CRP 水平的升高对临床具有重要意义.%[Objective] To investigate the relationship between the inlima-media thickness (IMT) of carotid, blood uric acid level (UA) and C-reactive protein (CRP) in patients with Gout, and to investigate UA and CRP affection on atheroscle rosis in those patients. [Methods] We collected 60 patients with Gout and 40 patients with the contral, measured fasting plas ma glucose (FPG), total cholesterol (TC), triglyceride (TG) , high density lipoprotein cholesterol (HDL-C) , low density lipoprotein cholesterol (LDL-C), UA and CRP in those two group patients, detected the IMT of carotid and calculated body mass index (BMI). [Results] The levels of UA, CRP and IMT in patients with Gout were significantly higher than those con trol subjects (P < 0.05 or P < 0.01). But the age, FPG, TG, HDL-C and BMI had no significantly difference in those two group patients (P> 0.05). The IMT had positively person correlation to age, TC, TG, LDL-C, UA, BMI and CRP (P<0.05 or P < 0.01) in the patients with gout. [Conclusion] The high levels of UA and CRP in blood were related to development pro gression of atherosclerotic disease in patients with Gout. It is

  1. Effect of intensive multifactorial treatment on the intima-media thickness of large arteries in patients with new-onset type 2 diabetes mellitus

    Institute of Scientific and Technical Information of China (English)

    Xiao-hong ZHAO; Zhe-rong XU; Qin ZHANG; Hai-feng GU; Yun-mei YANG

    2012-01-01

    Objective:To quantify the changes in blood glucose,blood lipids,blood pressure,and the intima-media thickness (IMT) of large arteries in patients with new-onset type 2 diabetes mellitus who received either intensive multifactorial treatment or conventional treatment.Methods:Two-hundred and ten patients with new-onset type 2 diabetes mellitus were randomly assigned to two groups:an intensive treatment group (n=110) and a conventional treatment group (n=100).Fasting blood glucose (FBG),glycosylated hemoglobin A1c (HbA1c),blood pressure,blood lipids [total cholesterol (TC),triolyceride (TG),low-density lipoprotein C (LDL-C),and high-density lipoprotein C (HDL-C)],and IMTs of large arteries (carotid,iliac,and femoral arteries) were determined before and at one and two years after starting treatment.The patients in the conventional treatment group received routine diabetes management in our outpatient department.Targets were established for patients in the intensive treatment group.Their blood glucose,blood lipids,and blood pressure levels were regularly monitored and therapeutic regimens were adjusted for those whose measurements did not meet the target values until all the parameters met the established targets.Within-group and between-group differences were evaluated.Results:A significantly greater percentage of patients in the intensive treatment group had LDL-C levels that reached the target value one year after starting treatment than those in the conventional treatment group (52.04% vs.33.33%,P<0.05).No significant differences were found between groups for FBG,HbA1c,blood pressure,TG,TC,or HDL-C.The percentages of patients with TG (51.02% vs.34.48%),TC (52.04% vs.33.33%),and LDL-C (61.22% vs.43.67%) who met the respective target values in the intensive treatment group were all significantly higher than the corresponding percentages in the conventional treatment group two years after starting treatment (P<0.05).There were no significant

  2. Ultrasonography for Carotid intima-media thickness in aged patients with diabetes and analysis of risk factors%老年糖尿病患者颈动脉内-中膜检测及斑块形成相关危险因素分析

    Institute of Scientific and Technical Information of China (English)

    莎仁高娃; 姜颖; 楼慧萍

    2009-01-01

    目的 应用彩色多普勒超声技术研究2型糖尿病老年患者颈动脉粥样硬化(AS)特点及其相关危险因素.方法 对111例糖尿病老年患者双侧颈动脉检测结果与对照组97例健康人群进行比较;将糖尿病病组分为斑块组及非斑块组,分析斑块形成的相关危险因素.结果 糖尿病组颈动脉内中膜厚度明显高于对照组(P0.05).糖尿病班块组与非斑块组比较,餐后2 h血糖、高脂血症病程、高血压痛程、高密度脂蛋白(HDL),及糖尿病并发症差异具有统计学意义(P0.05).There were statistical difference in the results of 2 hour postprandial glucose,course of the hypedipoidemia and hypertension,hish density fipoproteins-cholesterol and diabetic complication between phque and no -plaque group.Conclusion It was a main feature that thickened IMT and formed carotid atherosclerotic plaques in the aged patients with tape 2 diabetes.Some factors were direct risks for carotid plaque.

  3. Infant adiposity at birth and early postnatal weight gain predict increased aortic intima-media thickness at 6 weeks of age: a population-derived cohort study.

    Science.gov (United States)

    McCloskey, Kate; Burgner, David; Carlin, John B; Skilton, Michael R; Cheung, Michael; Dwyer, Terence; Vuillermin, Peter; Ponsonby, Anne-Louise

    2016-03-01

    Infant body composition and postnatal weight gain have been implicated in the development of adult obesity and cardiovascular disease, but there are limited prospective data regarding the association between infant adiposity, postnatal growth and early cardiovascular parameters. Increased aortic intima-media thickness (aortic IMT) is an intermediate phenotype of early atherosclerosis. The aim of the present study was to investigate the relationship between weight and adiposity at birth, postnatal growth and aortic IMT. The Barwon Infant Study (n=1074 mother-infant pairs) is a population-derived birth cohort. Infant weight and other anthropometry were measured at birth and 6 weeks of age. Aortic IMT was measured by trans-abdominal ultrasound at 6 weeks of age (n=835). After adjustment for aortic size and other factors, markers of adiposity including increased birth weight (β=19.9 μm/kg, 95%CI 11.1, 28.6; Pinfant weight and adiposity at birth, as well as increased early weight gain, were positively associated with aortic IMT. Excessive accumulation of adiposity during gestation and early infancy may have adverse effects on cardiovascular risk.

  4. Relationship between carotid intima media thickness and helminth infections on Flores Island, Indonesia

    NARCIS (Netherlands)

    Wiria, A.E.; Wammes, L.J.; Hamid, F.; Dekkers, O.M.; Prasetyani, M.A.; May, L.; Kaisar, M.M.; Verweij, J.J.; Tamsma, J.T.; Partono, F.; Sartono, E.; Supali, T.; Yazdanbakhsh, M.; Smit, J.W.A.

    2013-01-01

    OBJECTIVE: To examine the association between helminth infections and atherosclerosis. BACKGROUND: Chronic helminth infection, which can lead to poor nutritional status and anti-inflammatory response, might protect against the development of atherosclerosis. METHODS: A cross-sectional study was perf

  5. Bariatric surgery decreases carotid intima-media thickness in obese subjects.

    Science.gov (United States)

    García, Gonzalo; Bunout, Daniel; Mella, Javiera; Quiroga, Erik; de la Maza, María Pía; Cavada, Gabriel; Hirsch, Sandra

    2013-01-01

    Introducción: La obesidad se ha asociado a un aumento del riesgo cardiovascular. El objetivo de este estudio fue evaluar el impacto de la baja de peso a través de la cirugía bariátrica en el grosor íntima media carotídea (GIMc, marcador subrogado de aterosclerosis subclínica) y los factores de riesgo cardiovascular clásicos. Métodos: Un total de 31 pacientes obesos fueron evaluados para cirugía bariátrica, 27 fueron intervenidos quirúrgicamente, 14 sometidos a un bypass gástrico en Y de Roux y 13 a gastrectomía en manga. En los 4 pacientes que no fueron sometidos a cirugía bariátrica se realizó las mismas evaluaciones. Parámetros: peso, índice de masa corporal (IMC), presión arterial, colesterol total, LDL, HDL, triglicéridos, glicemia e insulina de ayunas, HOMA IR y medición del GIMc mediante ultrasonido. Resultados: Luego de 354 + 92 días de seguimiento, en los 27 pacientes intervenidos se evidenció una disminución del IMC promedio de 38 a 27 k/m2 (p < 0,001), al mismo tiempo se observó una reducción en los marcadores de riesgo cardiovascular, en el riesgo de Framingham a 10 años, y una significativa reducción de la terapia farmacológica. El promedio del GIMc se redujo de 0,58 ± 0,14 mm a 0,49 ± 0,09 mm (p = 0,0001). Los cuatro pacientes que no fueron intervenidos presentaron un aumento del GIMc 0,52 ± 0,12 a 0,58 ± 0,13 mm (p = 0,03) sin cambios significativos en los marcadores de riesgo cardiovascular durante el período observado. Conclusión: La pérdida de peso inducida por la cirugía bariátrica, tanto bypass gástrico como gastrectomía en manga, a un año de seguimiento disminuye el GIMc, mejora los factores de riesgo cardiovascular y el riesgo de Framingham a 10 años.

  6. [Effect of pravastatine plus ezetimibe on carotid intima media thickness in patients with lupus erythematosus].

    Science.gov (United States)

    Vera-Lastra, Olga Lidia; Olvera-Acevedo, Arturo; Hernández, Claudia; Medina, Gabriela; Carrillo-González, Ana Laura; Ángeles-Garay, Ulises; Peralta-Amaro, Ana Lilia; Jara, Luis

    2015-01-01

    Introducción: Los pacientes con lupus eritematoso sistémico (LES) cursan con ateroesclerosis acelerada que puede ser evaluada mediante el grosor íntima-media carotídea (IMC). El uso de hipolipemiantes debe ser parte de su tratamiento. El objetivo de este estudio fue determinar el efecto de la terapia con pravastatina más ezetimibe en el grosor IMC en pacientes con LES.Métodos: estudio prospectivo, longitudinal, cuasi-experimental. De 60 paciente con LES a quienes se le realizó ultrasonido carotídeo, de los cuales se eligieron a 22 con grosor IMC > 0.7 mm y se les administró pravastatina más ezetimibe durante seis meses y posteriormente se determinó el grosor IMC. Se les determinó colesterol total (CT), colesterol HDL (c-HDL), colesterol LDL (c-LDL), triglicéridos, proteína C-reactiva (PCR), pruebas de funcionamiento hepático, enzimas musculares y glucosa basales y posterior al tratamiento. Análisis estadístico: estadística descriptiva y prueba de Wilcoxon.Resultados: se incluyeron 22 mujeres con edad 42 ± 6.3 años y evolución promedio 7.5± 6.6 años, de las cuales concluyeron el estudio 18 pacientes. El grosor IMC derecha basal fue de 0.829 ± 0.1448 frente a final 0.688 ± 0.1453, p < 0.003; el izquierdo 0.820±0.1312 frente a 0.724±0.1348, p < 0.004. El CT 208 mg/dl frente a 168 mg/dl, y el c-LDL 125 mg/dl frente a 72 mg/dl, p = 0.0004. Niveles de PCR 3.12 frente a 2.25 p = 0.004.Conclusiones: el tratamiento con pravastatina más ezetimibe disminuye el grosor IMC con mejoría en las concentraciones de colesterol total, colesterol LDL y niveles de PCR, así como buena tolerancia.

  7. Dynamic programming in parallel boundary detection with application to ultrasound intima-media segmentation.

    Science.gov (United States)

    Zhou, Yuan; Cheng, Xinyao; Xu, Xiangyang; Song, Enmin

    2013-12-01

    Segmentation of carotid artery intima-media in longitudinal ultrasound images for measuring its thickness to predict cardiovascular diseases can be simplified as detecting two nearly parallel boundaries within a certain distance range, when plaque with irregular shapes is not considered. In this paper, we improve the implementation of two dynamic programming (DP) based approaches to parallel boundary detection, dual dynamic programming (DDP) and piecewise linear dual dynamic programming (PL-DDP). Then, a novel DP based approach, dual line detection (DLD), which translates the original 2-D curve position to a 4-D parameter space representing two line segments in a local image segment, is proposed to solve the problem while maintaining efficiency and rotation invariance. To apply the DLD to ultrasound intima-media segmentation, it is imbedded in a framework that employs an edge map obtained from multiplication of the responses of two edge detectors with different scales and a coupled snake model that simultaneously deforms the two contours for maintaining parallelism. The experimental results on synthetic images and carotid arteries of clinical ultrasound images indicate improved performance of the proposed DLD compared to DDP and PL-DDP, with respect to accuracy and efficiency.

  8. Carotid plaque burden as a measure of subclinical atherosclerosis

    DEFF Research Database (Denmark)

    Sillesen, Henrik; Muntendam, Pieter; Adourian, Aram

    2012-01-01

    The purpose of this study was to compare carotid plaque burden, carotid intima-media thickness (cIMT), ankle-brachial index (ABI), and abdominal aortic diameter (AAD) to coronary artery calcium score (CACS) in people without known cardiovascular disease....

  9. Carotid intima media thickness is related positively to plasma pre beta-high density lipoproteins in non-diabetic subjects

    NARCIS (Netherlands)

    de Vries, Rindert; Perton, Frank G.; van Tol, Arie; Dullaart, Robin P. F.

    2012-01-01

    Background: Lipid-poor or lipid-free high density lipoprotein (HDL) particles, designated pre beta-HDL, stimulate removal of cell-derived cholesterol to the extracellular compartment, which is an initial step in the reverse cholesterol transport pathway. Pre beta-HDL levels may be elevated in subjec

  10. Double role of mannose-binding lectin in relation to carotid intima-media thickness in patients with rheumatoid arthritis

    DEFF Research Database (Denmark)

    Troelsen, Lone N; Garred, Peter; Christiansen, Buris;

    2010-01-01

    MBL2 genotypes and serum concentrations of MBL were assessed; ccIMT was determined by means of ultrasonography; traditional and RA related cardiovascular risk modifiers were measured. RESULTS: The median ccIMT was 0.67 mm. The investigated MBL2 genotypes were not significantly associated with cc......BACKGROUND: Patients with rheumatoid arthritis (RA) have increased risk of atherosclerosis and cardiovascular disease (CVD) that cannot be explained by excess of traditional risk factors. Several studies indicate that mannose-binding lectin (MBL) may modify the development of atherosclerosis; both......IMT. Using a general linear model, ccIMT was not linearly associated with serum MBL but was highly associated with the quadratic term of serum MBL (MBL(2)) (P=0.001) reflecting a U-shaped relation. MBL(2) was also significantly associated with ccIMT in a multivariable analysis adjusting for traditional...

  11. White Matter Lesions, Carotid and Coronary Atherosclerosis in Late-Onset Depression and Healthy Controls

    DEFF Research Database (Denmark)

    Devantier, Torben Albert; Nørgaard, Bjarne Linde; Poulsen, Mikael Kjær

    2016-01-01

    for the formation of WMLs in depression. METHODS: The case-control study included 29 patients with late-onset major depressive disorder and 27 controls matched for sex, age, and tobacco use. WML volume, carotid intima-media thickness, and coronary plaque volume were assessed using magnetic resonance imaging...... between carotid intima-media thickness and WML volume was, however, similar in patients and controls. CONCLUSIONS: In older persons aged between 50 and 70 years, WMLs do not seem to be a part of generalized atherosclerotic disease, but seem to be dependent on atherosclerosis in the carotid arteries...

  12. Statins and their use in preventing carotid disease

    DEFF Research Database (Denmark)

    Sillesen, H.

    2009-01-01

    Carotid disease may be evaluated by surrogate outcomes, such as intima-media thickness and carotid plaque features, and by clinical end points. Statins stop progression or may induce regression of intima-media thickness, and statins may also stop plaque growth or even induce reduction of plaque...... volume. Areas rich in lipids within plaques may be reduced in size and/or in number of inflammatory cells. Ultrasound reflectivity may be reduced by statin treatment, indicating less lipid/inflammatory content. Finally, statins appear to reduce the risk of all cardiovascular events (eg, stroke...

  13. Serum carotenoids reduce progression of early atherosclerosis in the carotid artery wall among Eastern Finnish men.

    Directory of Open Access Journals (Sweden)

    Jouni Karppi

    Full Text Available BACKGROUND: Several previous epidemiologic studies have shown that high blood levels of carotenoids may be protective against early atherosclerosis, but results have been inconsistent. We assessed the association between atherosclerotic progression, measured by intima-media thickness of the common carotid artery wall, and serum levels of carotenoids. METHODS: We studied the effect of carotenoids on progression of early atherosclerosis in a population-based study. The association between concentrations of serum carotenoids, and intima-media thickness of the common carotid artery wall was explored in 840 middle-aged men (aged 46-65 years from Eastern Finland. Ultrasonography of the common carotid arteries were performed at baseline and 7-year follow-up. Serum levels of carotenoids were analyzed at baseline. Changes in mean and maximum intima media thickness of carotid artery wall were related to baseline serum carotenoid levels in covariance analyses adjusted for covariates. RESULTS: In a covariance analysis with adjustment for age, ultrasound sonographer, maximum intima media thickness, examination year, body mass index, systolic blood pressure, smoking, physical activity, serum LDL cholesterol, family history of coronary heart disease, antihypertensive medication and serum high sensitivity C-reactive protein, 7-year change in maximum intima media thickness was inversely associated with lycopene (p = 0.005, α-carotene (p = 0.002 and β-carotene (p = 0.019, respectively. CONCLUSIONS: The present study shows that high serum concentrations of carotenoids may be protective against early atherosclerosis.

  14. Grosor de la íntima-media de la arteria carótida en adolescentes obesos y su relación con el síndrome metabólico Intima-media thickness in obese adolescents and their relation with metabolic syndrome

    Directory of Open Access Journals (Sweden)

    C. Torrejón

    2012-02-01

    Full Text Available Introducción: Los adolescentes obesos presentan mayor riesgo cardiovascular (RCV. La medición del grosor de la intima-media (GIM arterial detecta tempranamente el compromiso vascular. Objetivo: Evaluar si los adolescentes obesos tienen mayor compromiso vascular medido por GIM que los adolescentes no obesos, y si este es mayor en aquellos con síndrome metabólico (SM. Metodología: Grupo estudio (GE, niños obesos, IMC/edad > p95, con y sin SM y grupo control, IMC/edad p10-85, sin patología nutricional ni endocrina. Se midieron concentraciones séricas de lípidos, prueba tolerancia oral a glucosa con insulinemia y ecografía de arteria carótida. Para evaluar diferencia entre grupos se utilizaron pruebas estadísticas paramétricas y no paramétricas. Resultados: Se evaluaron 45 adolescentes obesos (20 mujeres, 19 con SM, edad 13 (9-16 años y 18 controles (14 mujeres, edad 13 (11-16 años. GIM del bulbo carotideo y de la arteria carótida interna (ACI fueron significativamente mayores en GE que grupo control (0,54 vs 0,34; 0,34 vs 0,25, p Introduction: Obese adolescents have higher cardiovascular risk (CVR. Intima-media thickness (IMT detects early arterial vascular compromise. Objective: To evaluate whether obese adolescents have higher vascular compromise measured by IMT than nonobese adolescents, and if this is greater in those with metabolic syndrome (MS. Method: The study group (SG, obese children (BMI/age > p95, with and without MS and control group (CG, non-obese (BMI/age p10-85 and non nutritional or endocrine disease. We measured serum lipids, oral glucose tolerance test with insulin and carotid artery ultrasound. To evaluate the differences between test groups we used parametric and nonparametric statistics. Results: We evaluated 45 obese adolescents (20 women, 19 with MS, age 13 (9-16 years and 18 controls (14 women, aged 13 (11-16 years. IMT of carotid bulb and internal carotid artery (ICA were significantly higher in SG than CG

  15. Increased Carotid Thickness in Subjects with Recently-Diagnosed Diabetes from Rural Cameroon

    Science.gov (United States)

    Napoli, Nicola; Zardi, Enrico; Strollo, Rocky; Arigliani, Michele; Daverio, Andrea; Olearo, Flaminia; Tosi, Daniele; Dicuonzo, Giordano; Scarpa, Filomena; Pedone, Claudio; Tegue Simo, Hervé Hilaire; Mottini, Giovanni; Pozzilli, Paolo

    2012-01-01

    Background We have recently shown a high prevalence of diabetes and obesity in rural Cameroon, despite an improved lifestyle. Diabetes in rural Africa remains underdiagnosed and its role in increasing risk of atherosclerosis in these populations is unknown. We investigated the prevalence of carotid atherosclerosis and cardiovascular risk factors in a population of subjects with recently-diagnosed diabetes from rural Cameroon. Methodology/Principal Findings In a case-control study, carotid intima-media thickness (IMT) was measured in 74 subjects with diabetes (diagnosed 0.9 mm was found in 4%, 45.9% and 20% of diabetic subjects at the common, bulb or internal carotid, respectively. Only 25% of patients had an HbA1c9%). The prevalence of diabetic subjects with abnormal levels of LDL-cholesterol, triglycerides, HDL-cholesterol or blood pressure was 45%, 16.6%, 15% and 65.7%, respectively. Conclusions Carotid thickness is increased in subjects with diabetes from a rural area of Cameroon, despite the relatively recent diagnosis. These findings and the high rate of uncontrolled diabetes in this population support the increasing concern of diabetes and cardiovascular diseases in African countries and indicate the need for multifaceted health interventions in urban and rural settings. PMID:22916106

  16. Increased carotid thickness in subjects with recently-diagnosed diabetes from rural Cameroon.

    Directory of Open Access Journals (Sweden)

    Nicola Napoli

    Full Text Available BACKGROUND: We have recently shown a high prevalence of diabetes and obesity in rural Cameroon, despite an improved lifestyle. Diabetes in rural Africa remains underdiagnosed and its role in increasing risk of atherosclerosis in these populations is unknown. We investigated the prevalence of carotid atherosclerosis and cardiovascular risk factors in a population of subjects with recently-diagnosed diabetes from rural Cameroon. METHODOLOGY/PRINCIPAL FINDINGS: In a case-control study, carotid intima-media thickness (IMT was measured in 74 subjects with diabetes (diagnosed 0.9 mm was found in 4%, 45.9% and 20% of diabetic subjects at the common, bulb or internal carotid, respectively. Only 25% of patients had an HbA1c9%. The prevalence of diabetic subjects with abnormal levels of LDL-cholesterol, triglycerides, HDL-cholesterol or blood pressure was 45%, 16.6%, 15% and 65.7%, respectively. CONCLUSIONS: Carotid thickness is increased in subjects with diabetes from a rural area of Cameroon, despite the relatively recent diagnosis. These findings and the high rate of uncontrolled diabetes in this population support the increasing concern of diabetes and cardiovascular diseases in African countries and indicate the need for multifaceted health interventions in urban and rural settings.

  17. Serum 25-Hydroxyvitamin D Concentration in Subclinical Carotid Atherosclerosis

    NARCIS (Netherlands)

    Deleskog, Anna; Piksasova, Olga; Silveira, Angela; Gertow, Karl; Baldassarre, Damiano; Veglia, Fabrizio; Sennblad, Bengt; Strawbridge, Rona J.; Larsson, Malin; Leander, Karin; Gigante, Bruna; Kauhanen, Jussi; Rauramaa, Rainer; Smit, Andries J.; Mannarino, Elmo; Giral, Philippe; Gustafsson, Sven; Ostenson, Claes-Goran; Humphries, Steve E.; Tremoli, Elena; de Faire, Ulf; Ohrvik, John; Hamsten, Anders

    2013-01-01

    Objective Vitamin D deficiency has been implicated in cardiovascular disease and is associated with multiple cardiovascular risk factors. We investigated the serum 25-hydroxyvitamin D (25(OH)D) concentration in relation to latitude, baseline carotid intima-media thickness (IMT), and IMT progression,

  18. Relationship of the metabolic syndrome to carotid ultrasound traits

    Directory of Open Access Journals (Sweden)

    Zinman Bernard

    2006-07-01

    Full Text Available Abstract Background The metabolic syndrome is associated with increased vascular disease risk. We evaluated two carotid ultrasound measurements, namely intima media thickness and total plaque volume, in a Canadian Oji-Cree population with a high metabolic syndrome prevalence rate. Methods As part of the Sandy Lake Complications Prevalence and Risk Factor Study, 166 Oji-Cree subjects (baseline metabolic syndrome prevalence, 44.0%, according to the National Cholesterol Education Program Adult Treatment Panel III guidelines were examined using a high-resolution duplex ultrasound scanner. Results Image analysis showed that mean intima media thickness was elevated in subjects with the metabolic syndrome (818 ± 18 vs 746 ± 20 μm, as was total plaque volume (125 ± 26 vs 77.3 ± 17.0 mm3. However, after adjustment for age and sex, the differences were significant only for intima media thickness (P = 0.039. Furthermore, a significant trend towards increased intima media thickness was observed with increasing numbers of metabolic syndrome components: mean intima media thickness was highest among individuals with all five metabolic syndrome components compared to those with none (866 ± 55 vs 619 ± 23 μm, P = 0.0014. A similar, but non-significant trend was observed for total plaque volume. Conclusion This is the first study of the relationship between the metabolic syndrome and two distinct carotid ultrasound traits measured in the same individuals. The results suggest that standard intima media thickness measurement shows a more consistent and stronger association with the metabolic syndrome than does total plaque volume.

  19. Relation between visceral fat and carotid intimal media thickness in Mexican postmenopausal women: a preliminary report

    Directory of Open Access Journals (Sweden)

    Sebastián Carranza-Lira

    2016-07-01

    Full Text Available Aim of the study: To investigate the relationship between visceral fat and carotid IMT (intima media thickness in Mexican postmenopausal women. Material and methods: In 71 postmenopausal women divided in two groups: group 1, IMT > 1 mm and group 2, IMT ≤ 1 mm, blood pressure, body mass index (BMI, waist hip ratio (WHR, visceral and subcutaneous fats and carotid IMT were analyzed. Descriptive statistics were used and the comparison among those with abnormal and normal IMT was carried out using Mann-Whitney U test; also Spearman’s correlation analysis was done. Results When comparing group 1 (n = 9, 12.7% with group 2 (n = 62, 87.3%, it was found that the subcutaneous fat, visceral fat and systolic blood pressure were significantly greater in group 1 (p < 0.018, p < 0.001 and p < 0.006, respectively, and also in this group there was a correlation between BMI and subcutaneous fat ( = 0.686, p < 0.041 and between visceral fat and the systolic blood pressure (= 0.712, p < 0.031. In group 2, there was a correlation between IMT and diastolic blood pressure (= 0.251, p < 0.049. Conclusion : Subcutaneous and visceral fat have an unfavorable effect in the carotid IMT and in blood pressure.

  20. Effect of 3 y of folic acid supplementation on the progression of carotid intima-media thickness and carotid arterial stiffness in older adults

    NARCIS (Netherlands)

    Durga, Jane; Bots, Michiel L.; Schouten, Evert G.; Grobbee, Diederick E.; Kok, Frans J.; Verhoef, Petra

    2011-01-01

    Background: Observational studies have shown that low folate and elevated homocysteine concentrations are risk factors for vascular disease in the general population. Randomized controlled trials in vascular patients have failed to show that folic acid reduces the risk of recurrent vascular disease,

  1. Correlation Study of Ankle Brachial Index,Superficial Femoral Artery Intima-media Thickness and the Coronary Heart Disease%踝臂指数及股浅动脉内中-膜厚度与冠心病相关性研究

    Institute of Scientific and Technical Information of China (English)

    应卫华; 李浙成; 胡智星; 童跃锋

    2012-01-01

    目的 探讨踝臂指数(ABI)及股浅动脉内-中膜厚度(IMT)与冠心病相关性.方法 对132例入选对象行冠状动脉造影检查、超声测定股浅动脉IMT及用全自动动脉硬化检测仪检测ABI,并调查年龄、性别、吸烟、血压、家族史、体质指数(BMI)等.用冠状动脉病变血管的数量和GAS积分评价冠脉病变的程度,分析、对比不同病变程度下股浅动脉IMT及ABI.结果 冠心病组股浅动脉IMT明显大于非冠心病组,冠心病组ABI明显小于非冠心病组,差异存在统计学意义,P值均小于0.05;股浅动脉IMT随着冠状动脉病变程度的加重而增加,但冠心病各组间比较无显著差异;ABI随着冠状动脉病变程度的加重而降低,且ABI值在各组间比较,P<0.05,差异具有统计学意义.结论 股浅动脉IMT及ABI与冠心病显著相关.对于冠心病患者,对比股浅动脉IMT与ABI,ABI是更能间接反映冠状动脉病变严重程度的良好指标.%Objective To discuss correlation of the superficial femoral artery intima-media thickness (IMT),ankle brachial index (ABI) and coronary heart disease. Methods .132 cases of hospitalized patients were selected to performed coronary artery angiography and ultrasound measurement of superficial femoral artery intima-media thickness (IMT) and automatic arteriosclerosis detection instrument of ankle brachial index (ABI),and the age, sex,smoking, blood pressure,family history,body weight index (BMI) etc were investigated. With coronary artery lesion volume and GAS integral evaluation of coronary lesion extent,the different extent of lesions of the superficial femoral artery intima-media thickness and ankle brachial index (ABI) were analysed. Results The superficial femoral artery intima-media thickness of coronary heart disease group was significantly greater than that of non-CHD group; ankle brachial index (ABI)was significantly lower than that of non-CHD group,there were statistically significant difference

  2. 不同种类口服降糖药联用对2型糖尿病患者动脉内膜中层厚度和斑块发生的影响%Effects of combination of antidiabetic agents on artery intima-media thickness and plaque occurrence.

    Institute of Scientific and Technical Information of China (English)

    巴根; 王奇金; 缪雄; 丁长花; 冯正康; 黄勤; 邹大进

    2011-01-01

    目的 探讨不同种类口服降糖药联用对2型糖尿病患者动脉内膜中层厚度(intima-media thickness,IMT)和斑块发生率的影响.方法 选取初发2型糖尿病患者139例(2002年),将患者分为一种、两种、三种口服降糖药物单用组(SING、DOUB、TRIP)和不使用口服降糖药物组(NONE)及对照组.对比分析随访第6年(07年)和第8年(09年)各组颈动脉、髂动脉及股动脉的IMT值与斑块发生率以及其他临床指标的变化情况.结果 (1) TRIP组09年胰岛素(insulin,INS)水平与07相比略有降低.(2)TRIP组09年动脉IMT与07年相比有下降趋势,而对照组动脉IMT值显著升高(P<0.05).(3)TRIP组的动脉斑块发生率低于同期其他各组对应的动脉斑块发生率(P<0.05).(4)口服降糖药物联用种类与动脉斑块发生率具有明显相关性(P<0.05).(5)本研究证明INS是颈动脉斑块发生的危险因子(P<0.05),餐后2h血糖(2hPG)和INS为髂动脉斑块发生的危险因子(P<0.05).结论 罗格列酮+二甲双胍+格列吡嗪三种口服降糖药联用的三联疗法能控制胰岛素升高,延缓甚至逆转脉内膜增厚进程并且能够抑制动脉斑块发生,是较全面的防治2型糖尿病大血管病变的综合疗法.%Objective To investigate the change of artery intima-media thickness ( IMT) and plaque incidence in patients with type 2 diabetic in response to combination of antidiabetic agents. Methods Totally 139 newly diagnosed type 2 diabetic patients (2002) were divided into five groups; single-oral-hypoglycemic-therapy group (SING) ,double-oral-hypoglycemic-therapy group(DOUB) ,triple-oral-hypoglycemic-therapy group(TRIP) , none-oral-hypoglycemic-therapy group( NONE) and control group. The IMT as well as the plaque incidence in carotid artery, femoral artery and iliac artery together with other clinical indicators were measured and compared. Results (1) The INS of TRIP group at 09 slightly decreased compared with that at 07. ( 2 ) The

  3. Espessamento médio-intimal na origem da artéria subclávia direita como marcador precoce de risco cardiovascular Intima-media thickness in the origin of right subclavian artery as an early marker of cardiovascular risk

    Directory of Open Access Journals (Sweden)

    Carlos Alberto Engelhorn

    2006-11-01

    EMI na origem da artéria subclávia direita pode ser considerado um marcador mais precoce para avaliação de risco cardiovascular.OBJECTIVE: Common carotid artery intima-media thickness (IMT is considered a factor of cardiovascular risk and an early marker of coronary artery disease. This study aimed to investigate the existence of a correlation between IMT in the carotid arteries and at the origin of the right subclavian artery, as well as to evaluate IMT in the subclavian artery as an earlier marker of cardiovascular risk. METHODS: One hundred and six consecutive patients, 52 males and 54 females, average age 51 years, underwent color Doppler ultrasonography to evaluate carotid and right subclavian arteries. The relationship between carotid IMT and right subclavian IMT was assessed using the Pearson's correlation coefficient analysis and a 95% confidence interval. Reliability of right subclavian artery IMT measurement for the diagnosis of early thickening (considering a > 0.8 mm carotid thickness as reference was described as to sensitivity, specificity, positive predictive value, negative predictive value, and accuracy. Cut-off values for the right subclavian IMT were indicated by the ROC curve, and p values 0.8 mm. The mean IMT value for the carotid artery was 0.87 mm (SD = 0.23 and for the subclavian artery, 1.17 mm (SD = 0.46, with a 0.31 correlation coefficient (95% CI: 0.12; 0.47. The ROC curve analysis indicated a cut-off value of 0.7 mm for the right subclavian artery IMT, using as reference a 0.8 mm cut-off value for the carotid artery (91% sensitivity, 27% specificity, 66% PPV, 65% NPV, and 66% accuracy. CONCLUSION: Our study showed that carotid artery IMT correlates well with right subclavian artery IMT. With a 0.7 mm cut-off value, it is possible to detect IMT in the right subclavian artery earlier than in the carotid arteries. The IMT at the origin of the right subclavian artery can be considered an earlier marker for the assessment of cardiovascular

  4. 科素亚、强的松对兔颈总动脉内皮剥脱后内膜中膜增生的影响%EFFECT OF LOSARTAN AND PREDNISONE ON INTIMA-MEDIA THICKNESS AFTER BALLOON DENUDATION

    Institute of Scientific and Technical Information of China (English)

    李军; 邢成名

    2001-01-01

    :Losartan significantly reduced SMC proliferation and the intima-media thickness(IMT)in the injured vascular wall,especially when combined with prednisone. Conclusion:Our results indicate that Losartan may inhibit VSMC proliferation after the balloon injury of the common carotid artery in rabbits and this effect can be enhanced when combined with prednisone. Therefore, it might be used in prevention of restenosis after angioplasty in human being.

  5. Long-term use of first-line highly active antiretroviral therapy is not associated with carotid artery stiffness in human immunodeficiency virus-positive patients

    Directory of Open Access Journals (Sweden)

    Haohui Zhu

    2014-09-01

    Full Text Available Objective: To evaluate whether or not highly active antiretroviral therapy is associated with carotid artery stiffness in human immunodeficiency virus-positive patients in Henan Province, China. Method: Fifty human immunodeficiency virus-positive patients with at least a 5-year history of highly active antiretroviral therapy use and 50 human immunodeficiency virus-positive patients without a history of highly active antiretroviral therapy use were enrolled in this study. Carotid artery intima-media thickness and stiffness were determined by quantitative inter-media thickness and quantitative artery stiffness, respectively. Results: No statistically significant difference in carotid artery intima-media thickness and stiffness was observed between groups. A significant association between human immunodeficiency virus infection time and carotid artery stiffness was observed, but no significant association between human immunodeficiency virus infection time and intima-media thickness was found. No significant association between intima-media thickness, stiffness, and CD4+ and CD8+ T-cell counts were observed. Conclusion: The first-line highly active antiretroviral therapy currently used in China is not associated with carotid artery stiffness in human immunodeficiency virus-positive patients with good highly active antiretroviral therapy compliance. Human immunodeficiency virus may play a role in the development of atherosclerosis.

  6. Measurement of arterial wall thickness as a surrogate marker for atherosclerosis

    NARCIS (Netherlands)

    de Groot, E; Hovingh, GK; Wiegman, A; Duriez, P; Smit, AJ; Fruchart, JC; Kastelein, JJP

    2004-01-01

    Large observational studies and atherosclerosis regression trials of lipid-modifying pharmacotherapy have established that intima-media thickness of the carotid and femoral arteries, as measured noninvasively by B-mode ultrasound, is a valid surrogate marker for the progression of atherosclerotic di

  7. General principles of carotid Doppler ultrasonography

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Whal [Dept. of Radiology, Seoul National University College of Medicine, Seoul (Korea, Republic of)

    2014-03-15

    Carotid Doppler ultrasonography is a popular tool for evaluating atherosclerosis of the carotid artery. Its two-dimensional gray scale can be used for measuring the intima-media thickness, which is very good biomarker for atherosclerosis and can aid in plaque characterization. The plaque morphology is related to the risk of stroke. The ulceration of plaque is also known as one of the strong predictors of future embolic event risk. Color Doppler ultrasonography and pulse Doppler ultrasonography have been used for detecting carotid artery stenosis. Doppler ultrasonography has unique physical properties. The operator should be familiar with the physics and other parameters of Doppler ultrasonography to perform optimal Doppler ultrasonography studies.

  8. Genetically determined serum levels of mannose-binding lectin correlate negatively with common carotid intima-media thickness in systemic lupus erythematosus

    DEFF Research Database (Denmark)

    Troelsen, Lone N; Garred, Peter; Christiansen, Buris

    2010-01-01

    Patients with systemic lupus erythematosus (SLE) have excess cardiovascular morbidity and mortality due to accelerated atherosclerosis that cannot be attributed to traditional cardiovascular risk factors alone. Variant alleles of the mannose-binding lectin gene (MBL2) causing low serum concentrat...

  9. Carotid intima media thickness is associated with plasma lipoprotein-associated phospholipase A(2) mass in nondiabetic subjects but not in patients with type 2 diabetes

    NARCIS (Netherlands)

    Constantinides, Alexander; van Pelt, L. Joost; van Leeuwen, Jeroen J. J.; de Vries, Rindert; Tio, Rene A.; van der Horst, Iwan C. C.; Sluiter, Wim J.; Dullaart, Robin P. F.

    2011-01-01

    Background A recent meta-analysis showed that both plasma lipoprotein-associated phospholipase A(2) (Lp-PLA(2)) mass and activity independently predict cardiovascular events. Notably, Lp-PLA(2) activity but not mass was found to be a determinant of cardiovascular outcome in type 2 diabetes mellitus.

  10. [Carotid and brachial intima-media thickness of the allelic variants G894T and T-789C of eNOS in systemic sclerosis patients].

    Science.gov (United States)

    Martínez-Godínez, Ángeles; Miliar-García, Ángel; Bautista-Jiménez, María Itandehui; Jandete-Rivera, Fernando; Vera-Lastra, Olga Lidia; Jara, Luis J; Bizueto-Rosas, Héctor; del Pilar Cruz-Domínguez, María

    2015-01-01

    Introducción: el objetivo de este estudio es evaluar comparativamente el grosor íntima-media (IMT) carotídeo y braquial con ultrasonido Doppler, la presión arterial pulmonar ecocardiográfica y la variación alélica de los genes G894T y T-789C de la eNOS en pacientes con esclerodermia. Métodos: estudio transversal en pacientes con esclerodermia. Criterios de inclusión: edad 18-70 años, diagnosticado con esclerodermia, previo consentimiento informado. Se evaluó IMT, índice de resistencia (IR) e índice de pulsatilidad (IP) mediante Doppler carotídeo y braquial, perfil de lípidos, proteína C reactiva, polimorfismo G894T y T-789C de óxido nítrico sin tasa endotelial (eNOS). Analizamos con estadística descriptiva, prueba t de Student o chi cuadrada para asociación de variables y Spearman para correlacionar las variables cuantitativas. Resultados: encontramos IMT anormalmente alto en arterias carotídeas y braquiales. Observamos baja correlación entre ambas braquiales, buena correlación entre carótidas y ninguna correlación entre carótidas y braquiales. El IMT braquial izquierdo > 0.65 corresponde con presión arteria pulmonar > 30 mmHg ecocardiográfica. El polimorfismo del gen G894T se asoció con mayor IMT en carótida derecha.Conclusión: El polimorfismo G894T de eNOS se asocia a mayor IMT en carótida derecha. El IMT carotídeo concuerda con su IMT contralateral. El IMT braquial izquierdo mayor a 0.65 sugiere la posibilidad de hipertensión arterial pulmonar.

  11. Scoring System Development and Added Value of Albuminuria to Estimate Carotid Intima-media Thickness (CIMT in Type 2 Diabetes Mellitus Patients

    Directory of Open Access Journals (Sweden)

    Indra Wijaya

    2017-02-01

    Full Text Available Aim: to develop a scoring system and measure the diagnostic added value of albuminuria to estimate CIMT. Methods: cross-sectional study was done in Endocrine Outpatient Clinic Cipto Mangunkusumo Hospital between March-May 2012 in T2DM patients without history of cerebrocardiovascular event, CKD stage ≥ III, and smoking. Bivariate analysis and multivariate (logistic regression analysis was done, followed by developing the scoring system. Results: from 71 subjects, there were 67.6% with increased CIMT and 73.3% with albuminuria. From 48 subjects with increased CIMT, 87.5% had albuminuria. Albuminuria measurement had high sensitivity (87.5%. Adding albuminuria measurement will increase the AUC as 2.3%. Estimation score for duration of DM, hypertension, dyslipidemia were as follows 1, 2, 1 respectively. Probability score of increased CIMT for score 2 was as follows 15%, 57%, and 90%. Conclusion: albuminuria measurement increase the diagnostic value of CIMT. Scoring system can be used as a screening tool to estimate the increased of CIMT in type 2 DM patients without history of cerebrocardiovascular event, CKD stage ≥ III, and smoking.

  12. Effects of a 12-week healthy-life exercise program on oxidized low-density lipoprotein cholesterol and carotid intima-media thickness in obese elderly women

    Science.gov (United States)

    Park, Jong-Hwan; Park, Hyuntae; Lim, Seung-Taek; Park, Jin-Kee

    2015-01-01

    [Purpose] This study examined the effects of a 12-week exercise program on plasma level of oxidized low-density lipoprotein cholesterol in obese elderly women, who are at increased risk of heart disease morbidity. [Subjects and Methods] Twenty participants were assigned into either a control (n = 10) or a supervised exercise program (n = 10) group. The 12-week exercise intervention was performed 3 days per week and involved combined aerobic exercise, resistance exercise, and traditional Korean dance. [Results] Two-factor analysis of variance revealed significant group × time interactions for body mass, diastolic blood pressure, appendicular muscle mass. For high-density lipoprotein cholesterol, oxidized low-density lipoprotein cholesterol, and the ratio of oxidized low-/high-density lipoprotein cholesterol, two-factor analysis of variance revealed significant interactions (group × time), indicating responses differed significantly between the control and exercise groups after 12 weeks. [Conclusion] A 12-week low- to moderate-intensity exercise program appears to be beneficial for obese elderly women by improving risk factors for cardiovascular disease. PMID:26157235

  13. Genetically determined serum levels of mannose-binding lectin correlate negatively with common carotid intima-media thickness in systemic lupus erythematosus

    DEFF Research Database (Denmark)

    Troelsen, Lone N; Garred, Peter; Christiansen, Buris

    2010-01-01

    Patients with systemic lupus erythematosus (SLE) have excess cardiovascular morbidity and mortality due to accelerated atherosclerosis that cannot be attributed to traditional cardiovascular risk factors alone. Variant alleles of the mannose-binding lectin gene (MBL2) causing low serum...

  14. Evaluation of intima media thickness of carotid arteries in 40-60 years old persons with type d personality and its comparison with normal ones

    Directory of Open Access Journals (Sweden)

    Fariborz Khorvash

    2013-01-01

    Conclusions: We conclude that type D personality increases the risk of cardiovascular diseases specially the stroke and myocardial infarction due to the higher prevalence of hormonal imbalances leading to arterial vasospasm and atherosclerotic disease. As a result, it is necessary to evaluate and treat these patients due to increased risk of atherosclerotic diseases, stoke, and myocardial infarction.

  15. Carotid Artery Intima-Media Thickness and Cutaneous Microvascular Function are Associated With Vitamin C Levels in Young Patients With Type 1 Diabetes

    DEFF Research Database (Denmark)

    Odermarsky, Michal; Lykkesfeldt, Jens; Liuba, Petru

    2008-01-01

    Background: Vascular endothelial dysfunction and accelerated thickening of arterial intima contribute to increased cardiovascular morbidity in type 1 diabetes. Although vitamin C has important antioxidant functions, and increased oxidative stress is a central mechanism of vascular abnormalities......, and the measured skin perfusion was expressed as % maximal increase from baseline. Markers of systemic inflammation (C-reactive protein, fibrinogen and orosomucoid), lipids (total, LDL and HDL cholesterol) and glycosylated hemoglobin (HbA1c) were measured in EDTA plasma. Ascorbate was analyzed in meta......-phosphoric acid-stabilized EDTA-plasma by high-performance liquid chromatography. Results: In univariate regression analysis, both cIMT and skin microvascular response to ACH correlated with ascorbate levels (r=-0.29; p=0.04, and r=0.43; p=0.004 respectively). The relationships between these vascular indexes...

  16. Lipid profile and carotid intima-media thickness in a prospective cohort of very preterm subjects at age 19 years : Effects of early growth and current body composition

    NARCIS (Netherlands)

    Finken, MJJ; Inderson, A; Van Montfoort, N; Keijzer-Veen, MG; Van Weert, AWM; Carfil, N; Frolich, M; Hille, ETM; Romijn, JA; Dekker, FW; Wit, JM

    2006-01-01

    Cardiovascular disease (CVD) risk is associated with prenatal and infancy growth. However, the relative importance of these time periods for the CVD risk is uncertain. To elucidate this, we tested in a very preterm cohort the effects of birth weight for gestational age and weight gain between birth

  17. Utilization of a global data grid repository in CAD assessment of carotid wall thickness

    Science.gov (United States)

    Gutierrez, Marco A.; Lee, Jasper; Zhou, Zheng; Pilon, Paulo E.; Lage, Silvia G.

    2007-03-01

    A CAD method of calculating wall thickness of carotid vessels addresses the time-consuming issue of using B-mode ultrasound as well as inter- and intra-observer variability in results. Upon selection of a region-of-interest and filtering of a series of ultrasound carotid images, the CAD is able to measure the geometry of the lumen and plaque surfaces using a least-square fitting of the active contours during systole and diastole. To evaluate the approach, ultrasound image sequences from 30 patients were submitted to the procedure. The images were stored on an international data grid repository that consists of three international sites: Image Processing and Informatics (IPI) Laboratory at University of Southern California, USA; InCor (Heart Institute) at Sao Paulo, Brazil, and Hong Kong Polytechnic University, Hong Kong. The three chosen sites are connected with high speed international networks including the Internet2, and the Brazilian National Research and Education Network (RNP2). The Data Grid was used to store, backup, and share the ultrasound images and analysis results, which provided a large-scale and a virtual data system. In order to study the variability between the automatic and manual definition of artery boundaries, the pooled mean and the standard deviation for the difference between measurements of lumen diameter were computed. The coefficient of variation and correlation were also calculated. For the studied population the difference between manual and automatic measurement of the lumen diameter (LD) and intima-media-thickness (IMT) were 0.12 +/-0.10 and 0.09+/- 0.06, respectively.

  18. Prediction of progression of ultrasound assessed carotid artery athersclerosis

    OpenAIRE

    2014-01-01

    Atherosclerosis is an important underlying cause of cardiovascular disease and death. According to the World Health Organization’s Global Burden of Disease Study, ischemic heart disease and stroke combined killed 12.9 million people in 2010, or one in four deaths worldwide. Ultrasound of the carotid arteries can be used to assess the burden of atherosclerosis by measurements of intima-media thickness (IMT) and total plaque area (TPA). Age, male gender, serum cholesterol, blood pressure and...

  19. ULTRASONOGRAPHIC ASSESSMENT OF COMMON CAROTID ARTERY ATHEROSCLEROSIS IN PATIENTS OF RHEUMATOID ARTHRITIS

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    Jayakumar

    2015-02-01

    Full Text Available BACKGROUND & OBJECTIVES: Patients with Rheumatoid Arthritis (R.A. have a marked increase in Carotid Atherosclerosis independent of traditional risk factors like family history of myocardial infarction in first degree male relatives younger than 55 years of age or first degree female relatives younger than 65 years of age, smoking, hypertension (D efined as blood pressure of 140/90 mm hg or higher, diabetes mellitus and fasting serum cholesterol levels including age. Chronic inflammation and possibly disease severity and duration are atherogenic in Rheumatoid Arthritis patients. Preclinical disease may also be identified by using ultrasonography to determine carotid intimal - media thickness, an indirect measure of atherosclerosis. The common carotid artery Intima media thickness in Rheumatoid Arthritis patients is positively associated with disease duration, Early Rheumatoid Arthritis (D uration less or = 1 year is associated with lesser Intima media thickness than was Rheumatoid Arthritis of longer duration. Increased carotid artery Intima media thickness and the presence of carotid plaque are associated with markers of systemic inflammation in patients with Rheumatoid Arthritis and in healthy subjects. OBJECTIVE OF THE STUDY: To determine preclinical atherosclerosis occurring prematurely in patients of Rheumatoid Arthritis by ultrasonograhic measurement Common Carotid Artery Intima media thickness and to evaluate the risk factors associated with arterial intima media thickness in patient of Rheumatoid Arthritis. RESULTS: In RA patients, common carotid artery IMT was significantly higher when compared to healthy controls (0.65 ± 0.06 v/s 0.57 ± 0.049 and was significantly associated with the duration of RA, swollen joint count and erosive changes on hand x - ray independently of other confounding variables. CONCLUSION: Patients with rheumatoid arthritis have a marked increase in carotid atherosclerosis independent of traditional risk factors

  20. Smoking status and common carotid artery intima-medial thickness among middle-aged men and women based on ultrasound measurement: a cohort study

    Directory of Open Access Journals (Sweden)

    Merz C Noel

    2006-10-01

    Full Text Available Abstract Background Cigarette smoking is an established causal factor for atherosclerosis. However, the smoking effect on different echogenic components of carotid arterial wall measured by ultrasound is not well elucidated. Methods Middle-aged men and women who had IMT measurement ≥ 0.7 mm at baseline and follow-up were included (N = 413, age 40–60 years at baseline in 1995. Intima-media thickness of common carotid artery (CCA-IMT and its components (echogenic and echolucent layers were measured at baseline and in the follow-up examination 3 years later. IMT and its components were compared across current, former and never smokers. Individual growth models were used to examine how smoking status was related to the baseline and progression of overall IMT and IMT components. Results For both men and women, current smoking was associated with thicker echogenic layer than never smokers; former smokers exhibited thinner echogenic layer than current smokers after adjustment for cigarette pack-years. Among women, current smoking was also associated with a thinned echolucent layer that resulted in a non-significant overall association of current smoking with IMT for women. Conclusion Cigarette smoking is associated with carotid artery morphological changes and the association is sex-dependent. The atherogenic effect of smoking appears to be partly reversible among former smokers. IMT measurement alone may not be adequate to detect carotid atherosclerosis associated with cigarette smoking among middle-age women.

  1. [Prevalence of carotid atherosclerosis in a cohort of Mexico City].

    Science.gov (United States)

    Rodríguez Saldaña, J; Cantú Brito, C; Sosa Espinosa, P; Reynoso Marenco, M T; Zuckermann Foullón, D; Barinagarrementería Aldatz, F

    1998-01-01

    In order to investigate the prevalence of atherosclerosis in Mexico, high resolution ultrasound and color Doppler flow imaging of carotid arteries were carried out in a group of participants in CUPA project, a cohort study started in 1989 among persons 60 years and older living permanently in a high rise in México City. Imaging studies included identification of 4 atherosclerosis related abnormalities: 1) intima media thickness; 2) kinkings and tortuousness; 3) non-stenosing plaques; and 4) significant carotid stenosis (> 50%). Analysis of 198 Doppler ultrasonographic studies in 56 males and 142 females showed an overall prevalence of atherosclerosis related lesions of 65.6%, with increasing frequency by age groups: 33% in younger than 65 year-old, 71% in 65-74 years, and up to 88% in the 75 years and older group. The prevalence of high grade stenosis was low (6%) whereas the overall frequency of non-stenosing plaques and intima-media thickness was higher than 60%. Intima-media thickness was more common in males while non-stenosing plaques and high grade stenosis were more frequent in females. However, there were not significant differences among women and men when atherosclerotic lesions were analyzed by age groups. This is the first report on the prevalence of atherosclerosis in a Mexican population using ultrasonography. Findings of the investigation document the high prevalence of atherosclerosis among elderly resident in Mexico City.

  2. A comparison of ultrasound measurements to assess carotid atherosclerosis development in subjects with and without type 2 diabetes

    Directory of Open Access Journals (Sweden)

    Zinman Bernard

    2005-06-01

    Full Text Available Abstract Background Subjects with type 2 diabetes are at an increased risk of vascular complications. The use of carotid ultrasound remains an attractive, non-invasive method to monitor atherosclerotic disease progression and/or response to treatment in patients with type 2 diabetes, with intima-media thickness routinely used as the gold standard to detect pathology. However, alternative measurements, such as plaque area or volume, may represent a potentially more powerful approach. Thus, the objective of this study was to compare the traditional intima-media thickness measurement against the novel total plaque volume measurement in analyzing carotid atherosclerosis development in individuals with type 2 diabetes. Methods The case-control study included 49 Oji-Cree adults with diabetes or impaired glucose tolerance, aged 21–69, and 49 sex- and age-matched normoglycemic subjects. At baseline, metabolic variables were measured, including body mass index, waist circumference, total cholesterol:high density lipoprotein ratio, plasma triglycerides, plasma glucose, and serum insulin. Carotid ultrasound measurements, 7 years later, assessed carotid arterial intima-media thickness and total plaque volume. Results At baseline, the two groups were well matched for smoking habits, hypertension, body mass index, and waist circumference. Differences were noted in baseline measurements of total cholesterol:high density lipoprotein (P = 0.0006, plasma triglycerides (P P P = 0.037, but not intima-media thickness measurements, were higher in subjects with diabetes/impaired glucose tolerance compared to the normoglycemic controls. Correlation between intima-media thickness and total plaque volume was moderate. Based on our study findings, to achieve power levels >0.70 when comparing intima-media thickness measurements for diabetics versus non-diabetics, thousands of study subjects are required. For comparing total plaque volume measurements, only hundreds of

  3. Carotid intimal-media thickness as a surrogate for cardiovascular disease events in trials of HMG-CoA reductase inhibitors

    Directory of Open Access Journals (Sweden)

    Morgan Timothy

    2005-03-01

    Full Text Available Abstract Background Surrogate measures for cardiovascular disease events have the potential to increase greatly the efficiency of clinical trials. A leading candidate for such a surrogate is the progression of intima-media thickness (IMT of the carotid artery; much experience has been gained with this endpoint in trials of HMG-CoA reductase inhibitors (statins. Methods and Results We examine two separate systems of criteria that have been proposed to define surrogate endpoints, based on clinical and statistical arguments. We use published results and a formal meta-analysis to evaluate whether progression of carotid IMT meets these criteria for HMG-CoA reductase inhibitors (statins. IMT meets clinical-based criteria to serve as a surrogate endpoint for cardiovascular events in statin trials, based on relative efficiency, linkage to endpoints, and congruency of effects. Results from a meta-analysis and post-trial follow-up from a single published study suggest that IMT meets established statistical criteria by accounting for intervention effects in regression models. Conclusion Carotid IMT progression meets accepted definitions of a surrogate for cardiovascular disease endpoints in statin trials. This does not, however, establish that it may serve universally as a surrogate marker in trials of other agents.

  4. Impact of family history on relations between insulin resistance, LDL cholesterol and carotid IMT in healthy adults.

    LENUS (Irish Health Repository)

    Anderwald, Christian

    2010-08-01

    Insulin resistance (IR) is implicated as an independent risk factor for vascular disease. The aim of this study was to assess the impact of family history (FH) of type 2 diabetes (T2DM) and\\/or cardiovascular disease (CVD) on the associations between IR, low-density-lipoprotein cholesterol (LDL-C) and subclinical atherosclerosis (common and internal carotid artery intima media thickness (IMT)) in healthy European adults.

  5. Relationship between Plasma Retinol-binding Protein 4 and Intima-media Thickness of Common Iliac Artery in Newly Diagnosed Type 2 Diabetics%新诊T2DM患者血浆RBP4与髂动脉内中膜厚度的关系研究

    Institute of Scientific and Technical Information of China (English)

    钟慧; 漆辉洲; 游咏; 陈雯; 冯聚玲; 谢娟; 李熠

    2014-01-01

    Objective To evaluate the relationship between the concentration of plasma retinol-binding protein 4 (RBP4) and intima-media thickness of common iliac artery (CIA-IMT) in newly diagnosed type 2 diabetic (T2DM) patients. Methods There were 180 newly diagnosed T2DM patients in study. Their plasma retinol-binding protein 4 level and other clinic index were tested. The patients were divided into three groups based on the concentrations of RBP4 to compare their CIA-IMT. The relevance of RBP4 and other parameters were analyzed by Pearson correlation analysis. Results CIA-IMT of RBP4 high tertile group was significantly thicker than other groups ( P<0.05). It is showed by Pearson correlation analysis that the concentration of RBP4 in T2DM patients is positively correlated with BMI, FBS, PBS, FINS and HOMA-IR.Conclusion CIA-IMT in newly diagnosed T2DM patients is closely correlated with plasma RBP4 levels.%目的:探讨新诊2型糖尿病(T2DM)患者血浆视黄醇结合蛋白4(RBP4)与髂动脉内中膜厚度(CIA-IMT)的关系。方法180例新诊T2DM患者测定血浆RBP4浓度、血糖、糖化血红蛋白(HbA1c)、血脂、胰岛素(FINS)及CIA-IMT,根据RBP4浓度由低到高按三分位法将180例患者分为三组,比较其CIA-IMT;用Pearson相关分析分析RBP4与其他指标的相关性。结果T2DM患者RBP4上三分位组CIA-IMT比其余两组增厚,差异有统计学意义(P<0.05);Pearson相关分析显示T2DM患者血浆RBP4与BMI、FBS、PBS、FINS及HOMA-IR呈正相关。结论新诊T2DM患者的血浆RBP4水平与CIA-IMT密切相关。

  6. Clustering of metabolic syndrome traits is associated with maladaptive carotid remodeling and stiffening: a 6-year longitudinal study.

    Science.gov (United States)

    Ferreira, Isabel; Beijers, Hanneke J; Schouten, Fleur; Smulders, Yvo M; Twisk, Jos W; Stehouwer, Coen D

    2012-08-01

    Maladaptive arterial remodeling may constitute a mechanism underlying the risk of stroke in individuals with the metabolic syndrome (MetS), but evidence supporting this contention derives from cross-sectional studies only. We, therefore, investigated, in apparently healthy adults, whether changes in MetS status between the ages of 36 and 42 years (never [n=207, reference group], incident [n=31], recovery [n=23], and persistent [n=32]) were associated with changes in carotid interadventitial diameter, lumen diameter, intima-media thickness, circumferential wall tension and stress, and Young's elastic modulus. All data analyses were adjusted for sex, height, and (changes in) age, lifestyle variables, low-density lipoprotein cholesterol, and use of antihypertensive medication. At baseline and as compared with the reference group, individuals with persistent MetS had significantly higher interadventitial diameter, circumferential wall tension, circumferential wall stress, and Young's elastic modulus but not intima-media thickness. In the course of follow-up, these individuals (versus reference group) displayed significantly steeper increases in intima-media thickness (0.011 versus 0.005 mm/y), which were accompanied by significantly steeper increases in interadventitial diameter (0.077 versus 0.032 mm/y) and lumen diameter (0.055 versus 0.023 mm/y) but not circumferential wall stress, which decreased (-0.34 versus 0.12 kPa/y). These findings suggest that increases in intima-media thickness in young adults with the MetS may primarily reflect an adaptive mechanism that attempts to restore local hemodynamic conditions to an equilibrium rather than atherosclerosis, per se. However, carotid adaptations did not restore circumferential wall stress to levels comparable with those of the reference group, and, therefore, outward remodeling was maladaptive. Importantly, individuals who recovered from the MetS restored carotid properties to levels comparable to the reference group

  7. Initial exploration of early carotid artery endothelial dysfunction in type 2 diabetes mellitus patients evaluated by ultrasound radio-frequency technique

    Institute of Scientific and Technical Information of China (English)

    LI Miao-shan; WANG Man-li; WU Li-sang; ZHU Wu; WU Yan-ping

    2016-01-01

    Background The early endothelial dysfunction of carotid artery in patients with type 2 diabetes mellitus (T2DM) has been recognized.However,the feasibility and significance of carotid artery endothelial dysfunction detected by ultrasound radio-frequency technology has been seldom studied.Methods The 2D ultrasound images of the bilateral common carotid arteries from 112 cases of T2DM patients and 50 cases of normal subjects in our hospital were collected to measure intima-media thickness means (IMTm),end-systolic inner diameter (Ds),end-diastolic inner diameter (Dd),resistance index (RI),pulse index (PI),and the systole/diastole ratio (S/D).We also observed the variation of the intima-media thickness (IMT) as well as the elasticity indexes of the common carotid artery,such as the compliance coefficient (CC),elasticity coefficient (β),pulse wave velocity (PWV) and augmentation index (AIx) through instruments with built-in ultrasound radio-frequency techniques,including quantitative intima-media thickness (QIMT) and quantitative analysis of arterial stiffness (QAS).The differences of the above-mentioned parameters between the two groups were analyzed.Results There were no statistically significant differences in IMTm,Ds,Dd,RI,PI and S/D raito of the common carotid arteries between group T2DM and the normal group (P > 0.01).The β,PWV and AIx in group T2DM were remarkably higher than those in the control group,with CC value being significantly lower than the later (P < 0.01 or 0.05).Conclusion Ultrasound radio-frequency technique offers earlier and more effective evaluation of carotid artery endothelial dysfunction in T2DM patients when compared with conventional 2D ultrasound,establishing imaging foundation for the early prevention and treatment of cardio-cerebrovascular complications in T2DM patients.

  8. Hyperuricemia and carotid artery dilatation among young adults without metabolic syndrome

    Directory of Open Access Journals (Sweden)

    Eswar Krishnan

    2012-10-01

    Full Text Available It is not known if hyperuricemia is associated with early vascular changes signifying arteriosclerosis. We performed a cross sectional study of 163 young adults without metabolic syndrome in Allegheny County, PA, USA. Doppler ultrasound was used to measure two metrics of early arteriosclerosis: carotid artery dimensions and aortic pulse wave velocity. Individuals in the highest quartiles of serum uric acid (>6.2 mg/dL for men and >4.6 for women were more likely to be of younger age, and to possess greater measures of adiposity and an adverse cardiovascular risk profile. Higher serum uric acid concentration was associated with larger luminal and adventitial diameters as well as changes in diameters between the phases of the cardiac cycle (P<0.001 but not with carotid intima media thickness, pulse wave velocity, or pressure strain modulus. In multivariable linear regression models where the effects of age, ethnicity, serum creatinine, systolic blood pressure, current alcohol use, body mass index and smoking status were accounted for, the highest quartile of serum uric acid was associated with greater luminal and adventitial diameters and change in luminal diameter between the phases of cardiac cycle (P<0.05, but not with pulse wave velocity, pressure strain modulus or carotid intima media thickness. We can conclude that hyperuricemia is associated with larger carotid artery diameters signifying an early adaptive response to vascular stress. This has implications on the observed link between hyperuricemia and hypertension.

  9. Border Detection of Common Carotid Artery Using Hough Transform

    Science.gov (United States)

    Koya, Yoshiharu; Nagahara, Yoshihiro

    The arteriosclerosis is on the increase with an aging or change of our living environment. For that reason, diagnosis of the common carotid artery using echocardiogram is doing to take precautions carebropathy. The arteriosclerosis of the common carotid artery is diagnosed using Intima-Media Thickness (IMT) which is obtained from echocardiogram. In order to measure IMT from echocardiogram, it is required to detect a border which is a boundary between vessel tissue layers. The method of border detection requires reproducibility and high accuracy. The conventional methods to detect the border curve depend on differential value of brightness on the common carotid artery. Therefore, we can't extract a good candidate point by influence of a noise. In this paper, we propose the high-accuracy detection method by Hough Transform. About high-accuracy, it realized by attaching importance to high reliable candidate point of border.

  10. Obesity and carotid artery remodeling

    DEFF Research Database (Denmark)

    Kozakova, M; Palombo, C; Morizzo, C

    2015-01-01

    BACKGROUND/OBJECTIVE: The present study tested the hypothesis that obesity-related changes in carotid intima-media thickness (IMT) might represent not only preclinical atherosclerosis but an adaptive remodeling meant to preserve circumferential wall stress (CWS) in altered hemodynamic conditions...... and CCA LD (266 healthy subjects with wide range of body weight (24-159 kg)); (B) longitudinal associations between CCA LD and 3-year IMT progression rate (ΔIMT; 571 healthy non-obese subjects without increased cardiovascular (CV) risk); (C) the impact of obesity on CCA geometry and CWS (88 obese subjects...... without CV complications and 88 non-obese subjects matched for gender and age). RESULTS: CCA LD was independently associated with SV that was determined by body size. In the longitudinal study, baseline LD was an independent determinant of ΔIMT, and ΔIMT of subjects in the highest LD quartile...

  11. 长期炭黑暴露与颈动脉内中膜厚度:标准化衰老研究%Long-term exposure to black carbon and carotid intima-media thickness: the normative aging study

    Institute of Scientific and Technical Information of China (English)

    Elissa H.Wilker; Murray A.Mittleman; Brent A.Coull; Alexandros Gryparis; Michiel L.Bots; Joel Schwartz; David Sparrow; 王晓宇; 汪源

    2014-01-01

    [背景]有证据表明,空气污染与动脉粥样硬化相关,且交通源颗粒物是此相关性极其重要的归因.[目的]研究居住在马塞诸塞州大波士顿地区的老年男性长期炭黑暴露与颈总动脉内中膜厚度(CIMT)之间的相关性.[方法]在标准化衰老研究参与者进行首次CIMT测量之前,评估他们住址处的一年平均炭黑暴露水平.使用混合效应模型评估炭黑水平估值与CIMT之间的相关性,计算重复的结果测定指标.在二次分析中,研究居住在主干道附近或住宅100m内的日均交通流量是否与CIMT相关.[结果]2004-2008年间,共有380名参与者(97%自述为白种人)接受了首次访问.每隔1.5年,分别有340名(89%)参与者接受了二次访问,260名(68%)参与者接受了三次访问.第一次检查时,参与者的年龄(均数±标准差)为(76±6.4)岁,CIMT(均数±标准差)为(0.99±0.18)mm.根据完全校正的模型,一年平均炭黑暴露每增加1个四分位数间距范围(0.26 μg/m3),CIMT增加1.1%(95%CI:0.1%~1.7%). [结论]在老年男性中,根据空间分辨暴露估值得出的年平均炭黑浓度与CIMT相关.本文的结果表明,长期空气污染暴露与动脉粥样硬化之间存在相关性.

  12. Effects of atorvastatin and simvastatin on low-density lipoprotein subfraction profile, low-density lipoprotein oxidizability, and antibodies to oxidized low-density lipoprotein in relation to carotid intima media thickness in familial hypercholesterolemia.

    NARCIS (Netherlands)

    Tits, L.J.H. van; Smilde, T.J.; Wissen, S. van; Graaf, J. de; Kastelein, J.J.P.; Stalenhoef, A.F.H.

    2004-01-01

    BACKGROUND: Little is known about the effects of statins on the quality of circulating low-density lipoprotein (LDL) in relation to atherosclerosis progression. METHODS: In a double-blind, randomized trial of 325 patients with familial hypercholesterolemia (FH), we assessed the effects of high-dose

  13. Carotid lesions in outpatients with nonalcoholic fatty liver disease

    Institute of Scientific and Technical Information of China (English)

    Stefano Ramilli; Stefano Pretolani; Antonio Muscari; Barbara Pacelli; Vincenzo Arienti

    2009-01-01

    AIM: To ascertain whether carotid lesions are more prevalent in outpatients with incidental findings of nonalcoholic fatty liver disease (NAFLD) at abdominal ultrasound (US). METHODS: One hundred and fifty-four consecutive outpatients (age range 24-90 years, both sexes) referred by general practitioners for abdominal US, and drinking less than 20 g alcohol/day, underwent carotid US for an assessment of carotid intima-media thickness (c-IMT) and carotid plaque prevalence. Hepatic steatosis, visceral fat thickness and subcutaneous fat thickness were also assessed at ultrasonography. RESULTS: Higher c-IMT values were found in the presence of NAFLD (90 patients), even after adjustment for indices of general and abdominal obesity and for the principal cardiovascular risk factors (0.84 ± 0.10 mm vs 0.71 ± 0.10 mm, P < 0.001). The prevalence of carotid plaques was 57.8% in the patients with NAFLD vs 37.5% in the patients without this condition ( P = 0.02). The adjusted relative risk of having carotid plaques for paients with NAFLD was 1.85 (95% CI: 1.33-2.57, P < 0.001). CONCLUSION: An incidental finding of hepatic steatosis may suggest the presence of silent carotid atherosclerotic lesions.

  14. Comparison of two diets of varying glycemic index on carotid subclinical atherosclerosis in obese children.

    Science.gov (United States)

    Iannuzzi, Arcangelo; Licenziati, Maria Rosaria; Vacca, Maria; De Marco, Donata; Cinquegrana, Giorgio; Laccetti, Marco; Bresciani, Alessandro; Covetti, Giuseppe; Iannuzzo, Gabriella; Rubba, Paolo; Parillo, Mario

    2009-11-01

    Childhood obesity is associated with an increased carotid intima-media thickness (IMT) and stiffness. Increased carotid wall thickening and rigidity are considered markers of subclinical atherosclerosis. The aim of the present study was to test the effect of two hypocaloric diets of varying glycemic index on weight loss and markers of subclinical atherosclerosis in obese children. Seventy consecutive obese children attending the Outpatient Weight Clinic of the Department of Pediatrics were invited to participate in an intensive dietary protocol. Twenty-six accepted and were randomly assigned to two different groups: the first group followed a hypocaloric low-glycemic index diet and the second a hypocaloric high-glycemic index diet. Anthropometric measures and biochemical tests were performed in all children. Quantitative B-mode ultrasound scans were used to measure intima-media thickness (IMT) and diameters of the common carotid artery. Considering both groups together, at 6 months, body mass index decreased from 28.3 +/- 3.1 to 25.8 +/- 3.3 kg/m(2), systolic blood pressure from 119 +/- 12 to 110 +/- 11 mmHg (Pglycemic index diet. These results justify the advice to obese children to follow a low-glycemic index diet in order to improve their cardiometabolic profile.

  15. Determination of bilateral symmetry of carotid artery structure and function in children and adolescents

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    Uithoven KE

    2017-01-01

    Full Text Available Katelyn E Uithoven,1 Justin R Ryder,2 Roland Z Brown,3 Kyle D Rudser,3 Nicholas G Evanoff,1 Donald R Dengel,1,2 Aaron S Kelly2,4 1School of Kinesiology, University of Minnesota, 2Department of Pediatrics, University of Minnesota Medical School, 3Division of Biostatistics, School of Public Health, University of Minnesota, 4Department of Medicine, University of Minnesota Medical School, Minneapolis, MN, USA Abstract: The carotid artery represents an ideal location for noninvasive assessment of subclinical atherosclerosis in youth. Examination of arterial structure and function is generally conducted in the left common carotid. However, if the left common carotid is inaccessible or provides a poor acoustic window, it is unknown if the right common carotid can provide comparable values. The symmetry of carotid arteries in youth with high-resolution ultrasound was compared. Participants (N=230 [121 females], 13.8±2.9 years old were assessed for carotid intima media thickness (cIMT, carotid lumen diameter (cLD, carotid incremental elastic modulus (cIEM, carotid diameter compliance (cDC, carotid cross-sectional compliance (cCSC, carotid diameter distensibility (cDD, and carotid cross-sectional distensibility (cCSD. No significant differences (P>0.05 all were found for cIMT (0.49±0.09 vs 0.49±0.08 mm, cIEM (1095±382 vs 1116±346 mmHg, cDC (0.01±0.0 vs 0.01±0.0 mm/mmHg, cCSC (0.01±0.001/mmHg vs 0.01±0.001/mmHg, cDD (14.0%±3.16% vs 13.7%±3.18%, and cCSD (30.1%±7.37% vs 29.4%±7.36%. Significant differences were found for cLD (6.06±0.62 mm vs 6.33±0.64 mm, P<0.001. The majority of measures for arterial structure and function are comparable between the left and right common carotid arteries. There were differences present for cLD; however, these discrepancies are likely due to anatomical differences between the left and right common carotid arteries. Therefore, if the left common carotid is unable to be assessed properly, the right common

  16. Impact of cardiovascular risk factors on carotid intima–media thickness: sex differences

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    Łoboz-Rudnicka M

    2016-05-01

    between the sexes in terms of risk factor impact on CIMT. In men, only three factors significantly affected CIMT: age (b=+0.009, P<0.0001, hypertension (b=+0.067, P<0.05, and type 2 diabetes (b=+0.073, P<0.05. In women, apart from age (b=+0.008, P<0.0001 and type 2 diabetes (b=+0.111, P<0.01, significant factors were pulse pressure (PP; b=+0.005, P<0.0001, body mass index (b=+0.007, P<0.05, increased waist circumference (b=+0.092, P<0.01, and metabolic syndrome (b=+0.071, P<0.05. In the multiple regression analysis, independent CIMT determinants for the entire group were age (β=0.497, P<0.001 and body mass index (β=0.195, P=0.006. For males, age was the only independent determinant of CIMT (β=0.669, P<0.001. For females, these were PP (β=0.317, P=0.014, age (β=0.242, P=0.03, and increased waist circumference (β=0.207, P=0.048. Conclusion: CIMT values are lower in women than in men, which is most pronounced over the age of 45 years. There are sex-related differences in the profile of CV risk factors affecting CIMT: in males, CIMT is mostly determined by age, while in females, by age, PP, and increased waist circumference. Keywords: carotid intima media thickness, risk factors, sex differences

  17. MIGRAINE, CAROTID STIFFNESS AND GENETIC POLYMORPHISM.

    Science.gov (United States)

    Kes, Vanja Basić; Jurasić, Miljenka-Jelena; Zavoreo, Iris; Corić, Lejla; Rotim, Kresimir

    2015-12-01

    Recently migraine has been associated with increased arterial stiffness, procoagulant state, increased incidence of cerebral white matter lesions (WML) and stroke. Our aim was to compare the characteristics of migraineurs to headache free controls regarding their functional carotid ultrasound parameters. Sixty patients (45 women) with migraine (mean age 40.42 ± 10.61 years) were compared with 45 controls (30 women) with no prior history of repeating headache (mean age 38.94 ± 5.46 years) using E-tracking software on Alpha 10 ultrasound platform. Student's t-test was used on statistical analysis with alpha < 0.05. All tested carotid vascular parameters were worse in patients with migraine including increased intima-media thickness, greater carotid diameter and carotid diameter change, as well as several arterial stiffness indices. Additionally, patients with migraine had greater incidence of homozygous mutations for procoagulant genes (MTHFR (C677T), PAI-1 and ACE I/D) than expected. Computed tomography and magnetic resonance imaging of the brain showed WML in 11 patients, four of them migraine with aura patients. Since we established increased carotid stiffness and higher frequency of procoagulant gene mutations in migraineurs, we propose prospective ultrasound monitoring in such patients, especially those with detected WML, in order to timely commence more active and specific preventive stroke management strategies.

  18. Analysis of the population at high risk of stroke detected with carotid artery ultrasonography in Tianjin urban communities

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    Wei YUE

    2015-04-01

    Full Text Available Objective To investigate the features of carotid atherosclerosis in a population at high risk of stroke in urban communities of Tianjin, so as to provide inspiration for carotid ultrasonography to play a greater role in the prevention and control of stroke.  Methods A total of 956 residents at high risk of stroke were selected from 4 urban communities in Tianjin using cluster random sampling method. Doppler ultrasound screening was performed in bilateral common carotid artery (CCA, internal carotid artery (ICA, external carotid artery (ECA, vertebral artery (VA, subclavian artery (SCA and innominate artery of the population. The intima-media thickness (IMT, atherosclerotic plaque formation and its location and size, vascular stenosis or occlusion, and flow spectrum were detected. The results and features of carotid ultrasound screening were analyzed and compared among different gender and age groups.  Results 1 The detection rate of carotid atherosclerosis was 71.55% (684/956, and the detection rate in males was significantly higher than that in females (79.08% vs 65.87%; χ2 = 20.067, P = 0.000. 2 Among the population with carotid atherosclerosis, the most common manifestation was the formation of atherosclerotic plaques (81.58%, 558/684, secondly intima-media thickening (13.01%, 89/684, followed by moderate to severe stenosis or occlusion (5.41%, 37/684. The proportion of intima-media thickening in males was lower than that in females (7.08% vs 18.38%; χ2 = 19.269, P = 0.000. The proportion of carotid atherosclerotic plaque formation in males was higher than that in females (86.46% vs 77.16%; χ2 = 9.824, P = 0.002. The median rating of carotid atherosclerosis was 1.79, with males higher than females [1.98 (0.70, 3.26 vs 1.52 (0.20, 2.84; Z = 2.304, P = 0.042]. The site of plaque formation was most commonly located in carotid bulb (36.61%, secondly SCA (22.18%. Of the type of carotid stenosis, ICA stenosis was detected in 30 cases, VA

  19. 糖尿病患者甲襞微循环病变及其与颈动脉内-中膜厚度的相关性%Nailfold microcirculation lesion of diabetes and its correlation with the carotid artery intima-media

    Institute of Scientific and Technical Information of China (English)

    张鑫月; 贾振华; 常丽萍; 刘美之

    2015-01-01

    Objective To research the microangiopathy of diabetes and its correlation with the macrocirculation .Methods 78 cases of type 2 diabetes mellitus(T2DM)were divided into experimental and control groups and the nail fold microcirculation (NFM)of all the cases were tested.The patients of T2DM were divided into NFM≤median and NFM>median subgroups .The correlation between NFM and internal medial thickening(IMT)of carotid artery were analyzed.Results The scores of cross,deformed,ooze and bleeding,aggregation of red blood cells of experimental group were higher than those of control group .The frequence of IMT thicker of NFM>median subgroup was more than that of NFM≤median subgroup.Conclusions The main microcirculation changes of T2DM are cross,deformed,ooze and Bleeding,aggrega-tion of red blood cells .There is closely associated with microvascular and macrovascular in diabetic .%目的:探讨2型糖尿病患者微血管病变特征及其与大血管病变的相关性。方法将78例2型糖尿病患者设为试验组与40例正常对照组进行对比,分别进行甲襞微循环检测,分析2型糖尿病患者微血管病变特征;采用中位数法将糖尿病人按甲襞微循环总分( NFM )分为积分≤中位数( NFM≤median)和积分>中位数( NFM>median)两部分,分析其与颈动脉内-中膜厚度及斑块形成的相关性。结果试验组甲襞微循环的交叉、畸形、渗出、出血、红细胞聚集五项积分高于对照组;NFM>median患者颈动脉内-中膜增厚出现频次高于 NFM≤median患者( P<0.05);NFM>me-dian患者颈动脉斑块出现频次高于 NFM≤median患者( P<0.05)。结论2型糖尿病患者微循环病变主要表现为交叉、畸形、红细胞聚集、袢周渗出、出血;糖尿病患者微血管与大血管病变密切相关。

  20. Effect of rosuvastatin on inflammatory factors and carotid atherosclerotic plaque in patients with acute ischemic stroke

    Directory of Open Access Journals (Sweden)

    YAN Jun

    2013-10-01

    Full Text Available Carotid atherosclerosis is closely related with ischemic stroke occurrence, development and recurrence. This study aims to make an evaluation of the effects of rosuvastatin on inflammatory factors, serum lipid and carotid atherosclerotic plaque in patients with acute ischemic stroke. In this study, 98 patients with acute ischemic stroke and carotid atherosclerosis were given oral administration of rosuvastatin calcium (10 mg once every night, and the course of treatment was 6 months. After treatment, the changes of serum high-sensitivity C-reactive protein (hs-CRP, tumor necrosis factor-alpha (TNF-α and blood lipid were measured, as well as carotid atherosclerotic intima-media thickness (IMT and the calculation of carotid atherosclerotic plaque score. According to the examination results, after 6 months' treatment with rosuvastatin, serum hs-CRP, TNF-α, total cholesterol (TC, triglyceride (TG and low-density lipoprotein cholestrol (LDL-C decreased significantly (P < 0.01, for all, while high-density lipoprotein cholestrol (HDL-C increased significantly (P < 0.01; the total number of plaque reduced, while the number of stable plaque increased (P < 0.05; carotid artery IMT and carotid artery plaque score decreased significantly (P < 0.05. There were significant differences between before and after treatment. The results of this study show that rosuvastatin plays a role in anti-inflammation and alleviates the degree of carotid atherosclerotic plaque.

  1. Border detection on Common Carotid Artery using Gauss-Markov Estimation

    Science.gov (United States)

    Koya, Yoshiharu; Mizoshiri, Isao

    The arteriosclerosis is on the increase with an aging or change of our living environment. For that reason, diagnosis of the common carotid artery using echocardiogram is doing to take precautions carebropathy. The arteriosclerosis of the common carotid artery is diagnosed using Intima-Media Thickness (IMT) which is obtained from echocardiogram. In order to measure IMT from echocardiogram, it is required to detect a border which is a boundary between vessel tissue layers. The method of border detection requires reproducibility, high accuracy and high-speed. In this paper, we propose the high-accuracy and high-speed detection method by Gauss-Markov estimation. About high-accuracy, it realized by attaching importance to high reliable candidate point of border. And, about high-speed, it realized by calculating matrix only one time.

  2. ADMA/SDMA in Elderly Subjects with Asymptomatic Carotid Atherosclerosis: Values and Site-Specific Association

    Directory of Open Access Journals (Sweden)

    Graziano Riccioni

    2014-04-01

    Full Text Available Asymmetric dimethylarginine (ADMA is an endogenous nitric oxide synthase (NOS inhibitor known as a mediator of endothelial dysfunction and atherosclerosis. Circulating ADMA levels are correlated with cardiovascular risk factors such as hypercholesterolemia, arterial hypertension, diabetes mellitus, hyperhomocysteinemia, age and smoking. We assessed the relationship between ADMA values and site-specific association of asymptomatic carotid atherosclerosis (intima-media thickness (CIMT and plaque in elderly subjects. One hundred and eighty subjects underwent a complete history and physical examination, determination of serum chemistries and ADMA levels, and carotid ultrasound investigation (CUI. All subjects had no acute or chronic symptoms of carotid atherosclerosis. Statistical analyses showed that high plasma levels of ADMA/SDMA were positively correlated to carotid atherosclerosis (CIMT and plaque (p < 0.001, with significant site-specific association. Total cholesterol, low density lipoprotein cholesterol, triglycerides and C-reactive protein plasma concentrations were significantly associated with asymptomatic carotid atherosclerosis (p < 0.001. High serum concentrations of ADMA and SDMA were associated with carotid atherosclerotic lesions as measured by CIMT ad plaque and may represent a new marker of asymptomatic carotid atherosclerosis in elderly subjects.

  3. A study on the carotid artery ultrasonography for the metabolic syndrome

    Energy Technology Data Exchange (ETDEWEB)

    Kong, Hye Jung; Cho, Pyong Kon [Dept. of Radiological Science, Catholic University of Daegu, Daegu (Korea, Republic of); Kang, Young Han [Dept. of Radiology, Catholic University Hospital of Daegu, Daegu (Korea, Republic of)

    2013-09-15

    The primary goal of this study was to ascertain the primary factors to the affect for the carotid artery intima-media thickness (IMT), the prevalence of metabolic syndrome and other risks can possibly influence the carotid artery IMT. All patients data (total specimens: 289, male: 197, female: 92) including the carotid artery ultrasonography examination. The all data were analyzed by the use of SPSS software, version 21.0 (SPSS, Chicago, IL USA), with the descriptive statistics method. The Results of this study was found to be highly increased in the males than the females. The prevalence of metabolic syndrome in all of the participants was 30.5 percentages. The carotid artery IMT in the subjects with metabolic syndrome was significantly high in both genders, compared to the rest, who were without metabolic syndrome. The Pearsons correlation coefficient of metabolic syndrome and CIMT was 0.378(p<0.01). In conclusions, the present study also supports the association between the carotid artery IMT and the metabolic syndromes with cardiovascular risk factors. Usage of B-mode ultrasonography to measure the carotid artery IMT was found to be highly effective in the current analysis.

  4. Impact on the carotid intima-medial thickness and safety of rosuvastatin in Chinese patients with carotid atherosclerosis:a meta-analysis

    Institute of Scientific and Technical Information of China (English)

    冯雪茹

    2014-01-01

    Objective To evaluate the efficacy and safety of rosuvastatin in Chinese patients with carotid atherosclerosis.Methods A systematic search of Pubmed,EMBase,CENTRAL,CBMdisc,CNKI and WANFANG databases up the January 2013 was performed to identify studies comparing rosuvastatin with a placebo or other statins on carotid intima-medial thickness(IMT)with a minimum

  5. CAROTID ATHEROSCLEROTIC LESION IN YOUNG PATIENTS

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    N. V. Pizova

    2014-01-01

    Full Text Available Objective: to determine the incidence of atherosclerotic lesions in the carotid and vertebral arteries of young patients from Doppler ultrasound data and to compare the quantitatively assessed traditional risk factors of coronary heart disease (CHD with severe extracranial artery atherosclerotic lesion.Subjects and methods. Doppler ultrasound was carried out evaluating structural changes in the aortic arch branches in 1563 railway transport workers less than 45 years of age. A separate sample consisted of 68 young people with carotid atherosclerotic changes, in whom traditional risk factors for CHD were studied, so were in a control group of individuals without atherosclerotic changes (n = 38.Results. Among the examinees, carotid atherosclerotic lesion was detected in 112 (7.1 % cases, the increase in the rate of atherosclerotic plaques in patients aged 35–45 years being 9.08 %; that in the rate of local intima-media thickness in those aged 31–40 years being 5.1 %. Smoking (particularly that along with hypercholesterolemia and a family history of cardiovascular diseases, obesity (along with low activity, and emotional overstrain were defined as important risk factors in the young patients. Moreover, factor analysis has shown that smoking,hypertension, and early cardiovascular pathology in the next of kin makes the greatest contribution to the development of carotid atherosclerotic lesion.Conclusion. Among the patients less than 45 years of age, carotid and vertebral artery atherosclerotic changes were found in 112 (7.1 % cases, which were more pronounced in male patients. Smoking, particularly along with hypercholesterolemia and genetic predisposition to cardiovascular diseases, was a risk factor that had the highest impact on the degree of atherosclerotic lesion in the aortic arch branches of the young patients.

  6. Plasma apolipoprotein M is reduced in metabolic syndrome but does not predict intima media thickness

    DEFF Research Database (Denmark)

    Dullaart, Robin P F; Plomgaard, Peter; de Vries, Rindert

    2009-01-01

    BACKGROUND: Apolipoprotein (apo) M may exert anti-atherogenic properties in experimental studies. Its hepatic gene expression may be linked to glucose and lipid metabolism. Plasma apoM is decreased in obese mouse models. We hypothesized that plasma apoM is lower in metabolic syndrome (Met...

  7. Plasma apolipoprotein M is reduced in metabolic syndrome but does not predict intima media thickness

    NARCIS (Netherlands)

    Dullaart, Robin P. F.; Plomgaard, Peter; de Vries, Rindert; Dahlback, Bjorn; Nielsen, Lars B.

    2009-01-01

    Background: Apolipoprotein (apo) M may exert anti-atherogenic properties in experimental studies. Its hepatic gene expression may be linked to glucose and lipid metabolism. Plasma apoM is decreased in obese mouse models. We hypothesized that plasma apoM is lower in metabolic syndrome (MetS) subjects

  8. High Levels of Hemoglobin Promote Carotid Adventitial Vasa Vasorum Neoangiogenesis in Chronic Kidney Disease

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    Maria Vittoria Arcidiacono

    2017-01-01

    Full Text Available Chronic kidney disease (CKD patients, characterized by traditional and nontraditional risk factors, are prone to develop atheromatosis and thus cardiovascular events and mortality. The angiogenesis of the adventitial vasa vasorum (aVV surrounding the carotid has been described as the atheromatosis initiator. Therefore, the aim of the study was to (1 evaluate if the carotid aVV in CKD patients increases in comparison to its physiological value of healthy patients; (2 explore which traditional or nontraditional risk factor including inflammation, bone and mineral metabolism, and anemia could be related to the aVV angiogenesis. CKD patients without previous cardiovascular events (44, stages 3-4; 37, stage 5D and 65 healthy subjects were compared. The carotid aVV and the intima-media thickness (cIMT were evaluated by ultrasound. CKD patients at stages 3-4 showed higher aVV of the right carotid artery even after adjusting for age. Importantly, a multiple linear regression model showed hemoglobin levels > 12.5 g/dL as the factor for an estimated higher aVV of the right carotid artery. In conclusion, the association of hemoglobin with higher aVV could suggest the role of high hemoglobin in the higher incidence of adverse cardiovascular outcomes in CKD patients.

  9. High Levels of Hemoglobin Promote Carotid Adventitial Vasa Vasorum Neoangiogenesis in Chronic Kidney Disease

    Science.gov (United States)

    Martinez-Alonso, Montserrat; Belart, Montserrat; Vilar, Ana; Martín, Marisa; Craver, Lourdes; Betriu, Àngels; Valdivielso, José Manuel; Fernández, Elvira

    2017-01-01

    Chronic kidney disease (CKD) patients, characterized by traditional and nontraditional risk factors, are prone to develop atheromatosis and thus cardiovascular events and mortality. The angiogenesis of the adventitial vasa vasorum (aVV) surrounding the carotid has been described as the atheromatosis initiator. Therefore, the aim of the study was to (1) evaluate if the carotid aVV in CKD patients increases in comparison to its physiological value of healthy patients; (2) explore which traditional or nontraditional risk factor including inflammation, bone and mineral metabolism, and anemia could be related to the aVV angiogenesis. CKD patients without previous cardiovascular events (44, stages 3-4; 37, stage 5D) and 65 healthy subjects were compared. The carotid aVV and the intima-media thickness (cIMT) were evaluated by ultrasound. CKD patients at stages 3-4 showed higher aVV of the right carotid artery even after adjusting for age. Importantly, a multiple linear regression model showed hemoglobin levels > 12.5 g/dL as the factor for an estimated higher aVV of the right carotid artery. In conclusion, the association of hemoglobin with higher aVV could suggest the role of high hemoglobin in the higher incidence of adverse cardiovascular outcomes in CKD patients. PMID:28133420

  10. Mildly elevated serum total bilirubin levels are negatively associated with carotid atherosclerosis among elderly persons with type 2 diabetes.

    Science.gov (United States)

    Kawamoto, Ryuichi; Ninomiya, Daisuke; Hasegawa, Yoichi; Kasai, Yoshihisa; Kusunoki, Tomo; Ohtsuka, Nobuyuki; Kumagi, Teru; Abe, Masanori

    2016-01-01

    Diabetes is strongly associated with several mechanisms of tissue damage such as oxidative stress. Serum bilirubin may have a beneficial role in preventing oxidative changes in cardiovascular disease (CVD). Limited information is available on whether serum bilirubin is an independent confounding factor for carotid atherosclerosis among elderly persons with type 2 diabetes. The study subjects were 169 men aged 79 ± 8 (mean ± SD) years and 205 women aged 81 ± 8 years that were enrolled consecutively from patients in the medical department. Carotid intima-media thickness (IMT) and plaque were derived via B-mode ultrasonography. Multiple linear regression analysis showed that serum total bilirubin (β = -0.160) was significantly associated with carotid IMT. Compared to subjects with a serum total bilirubin of tertile-1 (0.13-0.58 mg/dL), the multivariate-adjusted odds ratio (95% confidence interval) of carotid IMT ≥1.0 mm including plaque and carotid plaque was 0.46 (0.23-0.93) and 0.32 (0.17-0.60) in the Tertile-3 group (0.87-1.93 mg/dL), respectively. Next, data were further stratified by gender, age, smoking status, medication and prevalence of CVD. There were no significant differences in serum total bilirubin levels between selected subgroups. Our data demonstrated a negative association between serum total bilirubin and carotid atherosclerosis among elderly persons with type 2 diabetes.

  11. Radioiodine Therapy Does Not Change the Atherosclerotic Burden of the Carotid Arteries

    DEFF Research Database (Denmark)

    la Cour, Jeppe Lerche; Andersen, Ulrik Bjørn; Sørensen, Christian Hjort

    2016-01-01

    of cerebrovascular events has been reported after radioiodine therapy. This study aimed to examine whether atherosclerosis develops early or late after radioiodine therapy of benign thyroid disease. METHOD: Patients treated for benign thyroid disorders (nontoxic goiter, adenoma, and hyperthyroidism) were examined...... with ultrasound for the main outcome, carotid intima media thickness (CIMT), and for plaque presence (plaque presence only in late damage). Signs of early damage from radioiodine were studied in 39 radioiodine-treated patients, who were examined before treatment and at 1, 3, 6, and 12 months after treatment. Late...... were adjusted for age, sex, cholesterol, smoking status, known atherosclerotic disease, and body mass index. RESULTS: No changes in CIMT were found in the patients followed prospectively for one year after treatment with radioactive iodine for benign thyroid disease (p = 0.58). In the study on late...

  12. Change in Elasticity Caused by Flow-Mediated Dilation Measured Only for Intima-Media Region of Brachial Artery

    Science.gov (United States)

    Sugimoto, Masataka; Hasegawa, Hideyuki; Kanai, Hiroshi

    2005-08-01

    Endothelial dysfunction is considered to be an initial step of arteriosclerosis [R. Ross: N. Engl. J. Med. 340 (2004) 115]. For the assessment of the endothelium function, brachial artery flow-mediated dilation (FMD) caused by increased blood flow has been evaluated with ultrasonic diagnostic equipment. In the case of conventional methods, the change in artery diameter caused by FMD is measured [M. Hashimoto et al.: Circulation 92 (1995) 3431]. Although the arterial wall has a layered structure (intima, media, and adventitia), such a structure is not taken into account in conventional methods because the change in diameter depends on the characteristic of the entire wall. However, smooth muscle present only in the media contributes to FMD, whereas the collagen-rich hard adventitia does not contribute. In this study, we measure the change in elasticity of only the intima-media region including smooth muscle using the phased tracking method [H. Kanai et al.: IEEE Trans. Ultrason. Ferroelectr. Freq. Control 43 (1996) 791]. From the change in elasticity, FMD measured only for the intima-media region by our proposed method was found to be more sensitive than that measured for the entire wall by the conventional method.

  13. Cumulative Effects of Hypertension, Dyslipidemia, and Chronic Kidney Disease on Carotid Atherosclerosis in Chinese Patients with Type 2 Diabetes Mellitus

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    Chuang Yuan

    2014-01-01

    Full Text Available Aims. The aim of this study is to determine the extent of carotid atherosclerosis in Chinese patients with type 2 diabetes in relation to the cumulative atherosclerosis risk factors using ultrasonography. Methods. The presence of hypertension, dyslipidemia, and chronic kidney disease (CKD was documented in 106 Chinese subjects with type 2 diabetes. Subjects with 0, 1, and ≥2 additional atherosclerosis risk factors were assigned into groups 1, 2, and 3, respectively (n=17, 49, and 40, resp.. Using ultrasound, the carotid arteries were assessed for the presence of carotid plaque, plaque score, intima-media thickness (IMT, and carotid arterial stiffness. Results. With the adjustment for age and gender, the presence of plaque and plaque score were significantly higher in groups with more atherosclerosis risk factors (P 60 years old (odds ratio = 2.75; 95% CI: 1.26–6.0 and the presence of hypertension (odds ratio = 2.48; 95% CI: 1.11–5.58, dyslipidemia (odds ratio = 2.41; 95% CI: 1.05–5.51, and CKD (odds ratio = 7.80; 95% CI: 1.46–41.72 could independently predict higher plaque score (P<0.05. Conclusions. Hypertension, dyslipidemia, and CKD in Chinese patients with type 2 diabetes have cumulative effects on the burden of carotid plaque.

  14. Carotid subclinical atherosclerosis is associated with disease activity but not vitamin D in Korean systemic lupus erythematosus.

    Science.gov (United States)

    Jung, J-Y; Koh, B-R; Bae, C-B; Kim, H-A; Suh, C-H

    2014-12-01

    Atherosclerosis develops early in systemic lupus erythematosus (SLE) patients and is an important cause of mortality. Vitamin D deficiency is found to be associated with cardiovascular disease and autoimmunity. We evaluated the extent of carotid subclinical atherosclerosis and analyzed its correlation with vitamin D in SLE. One hundred and two female patients with SLE and 52 normal controls (NCs) were recruited. The mean carotid intima-media thickness (IMT) of SLE patients was 0.41 ± 0.08 mm, which was higher than that of NCs (0.32 ± 0.08 mm, p = 0.012). In addition, carotid plaques were more frequent and the plaque index was higher in SLE patients than in NCs (0.68 ± 1.39 vs. 0.26 ± 0.87, p = 0.026). Carotid IMT was correlated with age, body mass index, SLE disease activity index, and aspirin use in SLE patients. The plaque index was correlated with renal involvement. Vitamin 25(OH)D3 level was not correlated with carotid IMT, plaque index or disease activity markers. In SLE, the risk of cardiovascular disease is higher than that in NCs, which may be derived from systemic inflammation. It may be not suitable to assess vitamin D as a marker of disease activity or subclinical atherosclerosis in SLE patients.

  15. Hepatic steatosis is associated with an increased risk of carotid atherosclerosis

    Institute of Scientific and Technical Information of China (English)

    Henry V(o)lzke; Daniel M. Robinson; Volker Kleine; Roland Deutscher; Wolfgang Hoffmann; Jan Lüdemann; Ulf Schminke; Christof Kessler; Ulrich John

    2005-01-01

    AIM: Although an association between helatic steatosis and vascular risk factors has been described, direct relationships between fatty liver and atherosclerosis have not yet been investigated. The aim of the present study has been to investigate those relationships.METHODS: The Study of Health in Pomerania examined a random population sample aged between 20 and 79 years.A study population of 4 222 subjects without hepatitis B and C infections and without liver cirrhosis was available for the present analysis. Hepatic steatosis was defined sonographically and intima-media thickness (IMT) as well as plaque prevalence were estimated by carotid ultrasound.RESULTS: The prevalence rate of hepatic steatosis was 29.9%. Among subjects aged ≥45 years, an association between hepatic steatosis and IMT of the carotid arteries was found in bivariate analysis, but not after adjustment for atherosclerotic risk factors. Individuals with fatty liver had more often carotid plaques than persons without fatty liver (plaque prevalence rate 76.8% vs 66.6%; P<0.001).This association persisted after adjustment for confounding factors and was predominantly present in subjects with no to mild alcohol consumption.CONCLUSION: There is an independent association between hepatic steatosis and carotid atherosclerotic plaques. Metabolic changes due to nonalcoholic fatty liver disease may explain this relationship.

  16. Carotid remodeling of hypertensive subjects and polymorphism of the angiotensin-converting enzyme gene

    Institute of Scientific and Technical Information of China (English)

    李世军; 孙宁玲; 周素敏

    2004-01-01

    Background This study was designed to investigate the relationships between changes in the structure and function of carotid arteries and angiotensin converting enzyme (ACE) gene polymorphism in Chinese hypertensive subjects. Methods Multiplex polymerase chain reaction amplification was used to evaluate the ACE gene insertion/deletion (I/D) polymorphism. High-resolution B-mode ultrasound examinations were performed to detect parameters of carotid artery remodeling. Results Intima-media thickness (IMT) was significantly different among the DD, ID and II genotypes of ACE (DD>ID>II, P0.05) in hypertensive subjects. The frequency of the DD gene and D allele of ACE were higher in patients with thickening carotid than in patients with normal carotid (70.4% vs 24.1%, and 79.5% vs 40.5%, respectively, P<0.001). In multiple stepwise regression analysis, independent risk factors for increased carotid IMT in hypertensive subjects were ACE genotypes (P<0.001), age (P<0.001) and carotid internal diameter (P=0.032). Moreover, triglycerides and total cholesterol were higher in patients with the DD genotype than in those with the II genotype (P<0.05). Conclusions The I/D polymorphism of the ACE gene was related to IMT, but not to internal diameter, distensibility and stiffness of the carotid in Chinese hypertensive subjects. ACE gene polymorphism was a main risk factor for increased carotid IMT. These results may imply that there is a link between lipid metabolism and ACE genotype polymorphism in Chinese hypertensive subjects.

  17. Vascular Endothelial Growth Factor Gene Polymorphism (rs2010963 and Its Receptor, Kinase Insert Domain-Containing Receptor Gene Polymorphism (rs2071559, and Markers of Carotid Atherosclerosis in Patients with Type 2 Diabetes Mellitus

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    Sebastjan Merlo

    2016-01-01

    Full Text Available Background. The current study was designed to reveal possible associations between the polymorphisms of the vascular endothelial growth factor (VEGF gene (rs2010963 and its receptor, kinase insert domain-containing receptor (KDR gene polymorphism (rs2071559, and markers of carotid atherosclerosis in patients with type 2 diabetes mellitus (T2DM. Patients and Methods. 595 T2DM subjects and 200 control subjects were enrolled. The carotid intima-media thickness (CIMT and plaque characteristics (presence and structure were assessed ultrasonographically. Biochemical analyses were performed using standard biochemical methods. Genotyping of VEGF/KDR polymorphisms (rs2010963, rs2071559 was performed using KASPar assays. Results. Genotype distributions and allele frequencies of the VEGF/KDR polymorphisms (rs2010963, rs2071559 were not statistically significantly different between diabetic patients and controls. In our study, we demonstrated an association between the rs2071559 of KDR and either CIMT or the sum of plaque thickness in subjects with T2DM. We did not, however, demonstrate any association between the tested polymorphism of VEGF (rs2010963 and either CIMT, the sum of plaque thickness, the number of involved segments, hsCRP, the presence of carotid plaques, or the presence of unstable carotid plaques. Conclusions. In the present study, we demonstrated minor effect of the rs2071559 of KDR on markers of carotid atherosclerosis in subjects with T2DM.

  18. Sonographic assessment of carotid artery in postmenopausal women receiving long-term low-dose hormone replacement therapy

    Institute of Scientific and Technical Information of China (English)

    Wang Hong-yan; Jiang Yu-xin; Meng Hua; Ge Qin-sheng

    2004-01-01

    Objective: The aim of this study was to determine the influence of long-term low-dose hor mone replacement therapy (HRT) on the intima-media wall of the carotid artery in postmenopa usal women by ultrasound.Methods: 146 postmenopausal women were divided into the HRT group(n= 68, HRT over 5years after menopause) and the control group(n= 78, no HRT). The intima-media thickness (IMT) of the carotid arteries was measured bilaterally, the characteristics of the atherosclerotic plaques were described, the peak systolic velocity (PSV) and resistance index (RI) were measured by ultrasound examination.Results: The IMT of HRT group was significantly smaller than that of the control group,(0. 089±0. 22) cm vs (0. 093±0.29) cm, (P<0. 01). The occurrence of plaques was reduced in HRT group than the control group (7.7% vs 12.7%, P<0. 05). The plaques were most frequently found at the bifurcation of the arteries. The soft and mixed plaques in HRT group were found significantly less than that of the control group (soft 1.7% vs 4. 5%, mixed 3.1% vs 6. 7%, both P<0.05), while the hard plaques in HRT group were more than those of the control group(2.6% vs 1.3%, P<0. 05). The maximum plaque thickness of HRT group was less than that of control group (0. 191±0. 057) cm vs (0. 226±0. 073) cm, (P<0.05). The internal carotid artery PSV and RI in the two groups were similar [PSV (65.61±26.55) cm/s vs (64.82±27. 22) cm/s, RI (0.67±0. 082) vs (0. 68±0. 075), both P>0.05].Conclusion: Our study indicated that HRT may has an effect to reduce the carotid IMT thickness, inhibit the plaque formation, and make the plaques harder and more stable. The long-term low-dose HRT may protect the postmenopausal women against the artherosclerosis of the carotid artery.

  19. Ultrasonic Measurement of Carotid Intima–Media Thickness in a Group of Iranian with No Cardiovascular Risk Factors

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    M. Pourafkari

    2006-06-01

    Full Text Available Background/Objective: To obtaining reference values for intima–media thickness (IMT of the carotid arteries in the Iranian subjects without any known atherosclerosis risk factors. Patients and Methods: A total of 400 subjects (146 male and 254 female, mean age 36.3±14 years in men and 35.9±12 years in women, with normal body mass index and no history or evidence of cardiovascular or peripheral vascular disease, hypertension, diabetes, thyroid diseases or smoking were examined. IMT was measured on a longitudinal ultrasound image of the carotid artery. Mean thickness was evaluated for the right common carotid (RCCA, right internal carotid (RICA, left common carotid (LCCA and left internal carotid (LICA. Results: The mean value of carotid IMT was 0.38±0.11 in women and 0.41±0.13 in men. For different age groups, the lowest mean thickness was 0.305±0.045, seen in the RCCA among 20–29-year-old cases, and the highest was 0.645±0.125, seen in the LICA of cases over 60. The mean thickness was higher in men than in women, in all four locations (all p values< 0.02 Linear regression models for prediction of IMT by age, were separately done in different groups of anatomical location and gender, and all models’ R2 were higher than 0.5. Conclusion: Mean IMT in RCCA, RICA, LCCA and LICA in both genders and different age dec-ades was lower than many reports, which may be due to ethnic factors or different inclusion criteria. Reference values of carotid IMT increase significantly with age and IMT is higher in men than in women.

  20. Consistence study of carotid artery wall thickness by MDCTA and high-frequency ultrasound%MDCTA与高频超声检测颈动脉壁厚度的一致性研究

    Institute of Scientific and Technical Information of China (English)

    洪玮; 赵刚; 王弘; 邱晓明; 王珍

    2012-01-01

    Objective To explore the relevance and consistence between multi-detector row computed tomography angi-ography (MDCTA) and high-frequency ultrasound in measuring carotid artery wall thickness (CAWT) and the intima-media thickness (IMT). Methods Altogether, 64 subjects were prospectively analysed using a 64-detector row CT and high-frequency ultrasound. And they were classified as non-plaque group and plaque group. CAWT and IMT were measured in each patient using MDCTA and ultrasound, respectively. CAWT and IMT were compared and dependency analysed. Bland-Altman statistics was employed to measure the consistency between MDCTA and ultrasound. Results There was not significant difference between CAWT and IMT in the same group ( P > 0. 05). There was a high degree of correlation between all the common carotid artery CAWT and IMT, correlation coefficient was 0. 912 ( P <0. 01). By analysing the Bland-Altman plot, we observed a good consistence between CAWT and IMT with a bias between methods of 0. 029 mm and limit of consistence from 0. 187 mm to 0. 244 mm. Conclusion There was a good consistency between MDCTA and high-frequency ultrasound in the measurement of CAWT and IMT. CAWT can be used as an evaluating indicator of carotid atherosclerosis by MDCTA.%目的 探讨多层螺旋CT血管造影(MDCTA)检测颈总动脉壁厚度(CAWT)与高频超声检测颈总动脉内-中膜层厚度(IMT)的相关性和一致性.方法 应用MDCTA和高频超声对64例患者颈总动脉CAWT和IMT分别进行扫描,分为无斑块组和有斑块组,统计学比较CAWT与IMT的差异性和相关性,用Bland-Altman分析比较两者的一致性.结果 两组患者颈总动脉CAWT与IMT比较无统计学差异(P>0.05),相关性分析呈高度正相关,相关系数为0.912(P<0.O1),Bland-Altman分析存在较好一致性,偏倚为0.029mm,一致性界限为0.187~0.244mm.结论 MDCTA测量颈总动脉CAWT与高频超声测量颈总动脉IMT之间存在高度相关性和较好一致

  1. Association of circulating omentin-1 level with arterial stiffness and carotid plaque in type 2 diabetes

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    Yoo Hye

    2011-11-01

    Full Text Available Abstract Background Adipokines contribute directly to the atherosclerotic process, connecting metabolic disorders such as obesity and diabetes to cardiovascular disease. Omentin-1 is a recently discovered novel adipokine, so data about the relationship of this adipokine to vascular health in type 2 diabetes is limited. Methods We enrolled 60 people with type 2 diabetes, with or without carotid plaque, and 30 participants with normal glucose tolerance. We measured serum omentin-1, high-sensitivity C-reactive protein (hsCRP levels, and the homeostasis model assessment of insulin resistance (HOMA-IR, as well as other cardiovascular risk factors. Vascular health was assessed by brachial ankle pulse wave velocity (baPWV and carotid intima-media thickness (IMT. Results Serum omentin-1 levels were significantly decreased in type 2 diabetes patients compared to normal glucose controls and was further reduced in type 2 diabetes patients with carotid plaque compared to those without carotid plaque. Multiple stepwise regression analysis showed that age, systolic blood pressure, history of use of statins, angiotensin receptor blockers or angiotensin-converting enzyme inhibitors, and serum omentin-1 level were independent factors determining baPWV in people with type 2 diabetes (r2 = 0.637. Furthermore, in multivariate logistic regression analysis, circulating omentin-1 level was an independent decisive factor for the presence of carotid plaque in type 2 diabetes patients, even after adjusting for age, gender, body mass index, systolic blood pressure, fasting blood glucose, low density lipoprotein cholesterol, and history of smoking and medication (odds ratio, 0.621; 95% confidence interval, 0.420-0.919; P = 0.017. Conclusions Circulating omentin-1 level was independently correlated with arterial stiffness and carotid plaque in type 2 diabetes, even after adjusting for other cardiovascular risk factors and detailed medication history.

  2. Correlation between carotid artery intima-media thickness(IMT) and lipoprotein-associated phospholipase A2 level in patients with essential hypertension%原发性高血压患者颈动脉内膜中层厚度与脂蛋白相关磷脂酶A2水平相关性研究

    Institute of Scientific and Technical Information of China (English)

    郑冠群; 盛晓东; 周建龙; 范韬; 金骁琦

    2015-01-01

    目的 探讨原发性高血压(EH)患者血浆脂蛋白相关磷脂酶A2(Lp-PLA2)水平与原发性高血压患者颈动脉内膜中层厚度(IMT)的相关性.方法 选择90例EH患者,其中单纯EH患者46例(单纯EH组)、EH合并颈动脉硬化(CAS)患者44例(EH伴发CAS组);另选取同期在我院体检的40名健康者作为正常对照组.应用颈动脉彩色多普勒超声检查IMT,检测三组血浆Lp-PLA2水平及其他生化指标并进行比较.结果 单纯EH组和EH伴发AS组与正常对照组相比,其收缩压(SBP)[(150.87±10.62)mm Hg比(162.38±16.13)mm Hg比(123.31 ±9.23)mm Hg]、舒张压(DBP)[(89.44±9.71)mm Hg比(94.32±11.86)mm Hg比(76.31±7.48)mmHg]、同型半胱氨酸(Hcy)[(9.25±4.13) μmol/L比(13.64±5.48)μmol/L比(6.03±3.01)μmol/L]、白介素(IL)-2[(145.12±16.14)pg/ml比(168.77±21.24)pg/ml比(124.00±5.25)pg/ml]及Lp-PLA2水平[(113.0±32.73)ng/ml比(292.1 ±69.87)ng/ml比(65.32±20.01)ng/ml]均显著升高,且EH伴发CAS组SBP、Hcy 、IL-2及Lp-PLA2水平又明显高于单纯EH组,颈动脉IMT[(1.10±0.17)mm]、超敏C-反应蛋白(hs-CRP)[(5.72±2.51)mg/L]及载脂蛋白(APO)-B/APO-A1比值(0.79±0.22)明显高于正常对照组及单纯EH组,差异均有统计学意义(均P<0.05).EH患者血浆Lp-PLA2水平与IMT、Hcy、hs-CRP以及IL-2呈正相关(r=0.402、0.335、0.226、0.214,P<0.05).多元逐步回归分析显示,IMT、Hcy为影响血浆Lp-PLA2水平的相关因素.结论 EH患者血浆Lp-PLA2水平与颈动脉IMT密切相关.Lp-PLA2检测对EH患者伴发CAS有预测意义,为CAS早期诊断和干预治疗提供积极的参考价值.

  3. Cross-sectional study on intima-media thickness of carotid artery and its correlation factors in maintenance hemodialysis patients%维持性血透患者颈动脉内膜中层厚度增厚及其影响因素分析

    Institute of Scientific and Technical Information of China (English)

    匡鼎伟; 丁峰; 薛骏; 陈靖; 陆福明; 顾勇; 林善锬

    2005-01-01

    目的研究维持性血透(MHD)患者颈动脉内膜中层厚度(IMT)增厚情况并分析其可能影响因素.方法75例MHD患者为MHD组,30例健康体检者为对照组.采用高频B超检测其颈动脉IMT值,并记录各患者的临床及生化数据.MHD组按IMT值分为正常、异常和增厚3个亚组.对各组数据进行比较并对IMT的各危险因素进行相关性分析.结果MHD组患者颈动脉IMT值明显大于对照组[(1.03±0.42)比(0.63±0.11)mm,P<0.01].IMT增厚组年龄、收缩压、血浆白蛋白、前白蛋白、胆固醇、血磷水平与IMT正常组相比,差异有统计学意义(P<0.05或P<0.01).IMT异常组的收缩压、血磷水平明显高于IMT正常组(P<0.01).单因素相关分析(Model 1)结果显示,MHD患者颈动脉IMT与年龄(r=0.247,P=0.032)、收缩压(r=0.758,P<0.01)、血磷(r=0.604,P<0.01)呈显著正相关;与血浆白蛋白(r=-0.292,P=0.011)、前白蛋白(r=-0.681,P<0.01)呈显著负相关.经控制年龄因素后的偏相关分析(Model 2)结果与Model 1结果一致.多元线性回归分析结果显示高收缩压(β=0.446,P<0.01)、低前白蛋白(β=-0.336,P<0.01)和高血磷(β=0.248,P=0.01)是颈动脉IMT增厚的独立影响因素.结论MHD患者颈动脉IMT明显增厚.高收缩压、低前白蛋白及高血磷是颈动脉IMT增厚的独立危险因素并可能与MHD患者动脉粥样硬化进展相关.

  4. The effect of metabolic syndrome on glomerular filtration rate and carotid artery intima-media thickness old hypertensive pa-tients%代谢综合征对老年高血压患者肾小球滤过率及颈动脉内膜中层厚度的影响

    Institute of Scientific and Technical Information of China (English)

    张铁强; 刘渝; 宋金辉; 侯建军

    2008-01-01

    目的 探讨代谢综合征对老年高血压患者肾小球滤过率(GFR)及颈动脉内膜中层厚度(INT)的影响.方法 60例未经治疗的老年高血压患者均进行血压、腰围测量及血糖、血脂、肾功能检查,其中30例符合代谢综合征诊断标准(ATP Ⅲ标准)作为研究组,其余30例仅有高血压无代谢综合征者作为对照组.2组均进行颈动脉超声检查测定颈动脉IMT,根据简化的MDRD方程计算GFR,CFR<60 ml·min-1·1.73 m-2诊断为慢性肾病.结果 研究组与对照组GFR分别为(98.4±0.5)ml·min-1·1.73 m-2和(119.1±11.9)ml·min-1·1.73 m2(P<0.01).2组中GFR<60 ml·min-1·1.73 m-2的患者分别为26.7%与10.0%(P<0.05),IMT分别为(0.62±0.18)mm和(0.58±0.22)mm(P<0.05).结论 代谢综合征组GFR明显低,慢性肾病增加,IMT明显增加.

  5. 阿伐他汀联合贝那普利、氨氯地平对老年高血压患者颈动脉内膜中层厚度的影响%The effect of atorvastatin combined with benazepril or amlodipine on carotid artery intima-media thickness of elderly patients with hypertension

    Institute of Scientific and Technical Information of China (English)

    叶凯宏

    2014-01-01

    目的 观察阿托伐他汀联合贝那普利、氨氯地平对老年高血压患者颈动脉内膜中层厚度(IMT)的影响,为临床治疗措施的实施提供参考.方法 选取就诊的高血压病老年患者98例,随机分为A组和B组各49例.B组患者口服贝那普利片或氨氯地平片治疗.A组在采用B组治疗方案的同时,口服阿托伐他汀治疗.治疗36周后,对比两组患者的血压、血脂水平和颈动脉IMT.结果 治疗后两组患者的收缩压、舒张压均显著低于治疗前(P<0.01),但两组治疗后的收缩压、舒张压对比,差异均无统计学意义(P>0.05);A组治疗后的TC为(1.69±0.42)mmol/L,TG为(2.73±1.24) mmol/L,LDL-C为(1.59±0.34) mmol/L,均显著低于治疗前和B组治疗后(P<0.05),而HDL-C水平与治疗前和B组治疗后对比,差异均无统计学意义(P>0.05);A组治疗后的颈动脉IMT为(0.71±0.09)mm,显著低于治疗前和B组治疗后(P<0.05).结论 阿托伐他汀联合贝那普利或者氨氯地平可有效控制老年高血压患者的血压,降低患者的血脂水平和颈动脉IMT,可提高抗动脉粥样硬化的疗效.

  6. Correlation Between Serum Leptin Level and Intima-Media Thickness of Carotid Artery in Chronic Kidney Disease Patients%慢性肾脏病患者血清瘦素水平与颈动脉内膜-中层厚度的关系

    Institute of Scientific and Technical Information of China (English)

    李绍梅; 祝俊琪; 张丽萍; 傅淑霞; 杨林; 谭会斌

    2010-01-01

    目的 探讨慢性肾脏病患者血清瘦素水平与颈动脉内膜-中层厚度的关系.方法 选择79例慢性肾脏病非透析患者和15例健康对照者,采用放射免疫法测定血清瘦素水平,用高分辨二维颈动脉超声技术测定颈动脉内膜一中层厚度及粥样硬化斑块.结果 慢性肾脏病患者血清瘦素水平、平均颈动脉内膜-中层厚度和动脉粥样斑块检出率明显高于健康对照组(P<0.01).慢性肾脏病伴颈动硬化组(颈动脉内膜-中层厚度≥1.0mm,和/或颈动脉斑块)较无颈动脉硬化组血清瘦素(17.06±1.061ng/L比14.27±0.70ng/L)和C.反应蛋白(3.32±0.19mg/L比2.55±0.17mg/L)水平明显升高(P<0.01);慢性肾脏病患者血清瘦素与尿素氮、肌酐、C-反应蛋白、体质指数呈显著正相关(r=0.293,P<0.01;r=0.324,P<0.01;r=0.539,P<0.01;r=0.312,P<0.05);与肾小球滤过率、血红蛋白、白蛋白呈显著负相关(r=-0.389,P<0.01;r=-0.454,P<0.01;r=-0.246,P<0.05).瘦素(β=1.527,P<0.05)是慢性肾脏病患者并发动脉粥样硬化的独立危险因素.结论 慢性肾脏病患者存在高瘦素血症,高瘦素血症与颈动脉内膜-中层厚度的关系,其可能参与了慢性肾脏病患者动脉粥样硬化的发生和发展.

  7. 牙周基础治疗对牙周炎病人血清炎性因子水平及颈动脉内膜中层厚度影响%EFFECT OF PERIODONTAL NON-SURGICAL TREATMENT ON LEVELS OF SERUM INFLAMMATORY MEDIATORS AND CAROTID INTIMA-MEDIA THICKNESS

    Institute of Scientific and Technical Information of China (English)

    王崇丽; 张继东; 廉哲勋; 宋宇; 吴迎涛; 孙品

    2015-01-01

    目的 观察中、重度牙周炎病人牙周基础治疗前后牙周状况、血清炎性因子水平及颈动脉内膜中层厚度的变化,探讨牙周炎与动脉粥样硬化间的关系以及牙周干预治疗对动脉粥样硬化发生发展的影响.方法 2012年1月-2013年1月,就诊于青岛市口腔医院的中、重度牙周炎病人100例,随机分为牙周炎治疗组(50例)与牙周炎非治疗组(50例),并选取40例健康者作为对照组.应用ELISA双抗体夹心法检测牙周治疗前、牙周治疗后12周血清炎性因子C反应蛋白(CRP)、白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)及细胞间黏附分子-1(ICAM-1)水平的变化,应用彩色多普勒超声检测研究对象牙周治疗前、牙周治疗后24周颈动脉内膜中层厚度.结果 牙周治疗前牙周炎治疗组血清炎性因子水平、颈动脉内膜中层厚度较对照组高,差异均有显著性(t=2.71~5.35,P<0.05);牙周炎治疗组牙周干预治疗后血清炎性因子水平及颈动脉内膜中层厚度较牙周炎非治疗组明显降低,差异均有显著性(t=2.18~7.34,P<0.05).结论 牙周炎与动脉粥样硬化的发生可能有一定的相关性,积极治疗牙周炎可能逆转或延缓动脉粥样硬化的发生发展.

  8. [Dynamics of changes in the thickness of the choroid in patients with stenosis of the internal carotid artery].

    Science.gov (United States)

    Ivashina, A I; Ioffe, D I; Zolotarevskiĭ, A V; Mikhaĭlova, G D; Kuntsevich, G I

    1989-01-01

    Thirty-five patients suffering from atherosclerosis with carotid artery stenosis of varying severity have been examined. The thickness of the choroid has been paramacularly measured by the ultrasonic methods. The studies have revealed a significant decrease of the choroid thickness in both eyes of patients with bilateral hemodynamically significant stenoses of the carotid arteries and with bilateral stenoses on the point of occlusion. Of the 12 patients with hemodynamically insignificant stenoses, the choroid thickness has reduced only in 3. Surgical treatment (vascular restoration operations on the carotid arteries) has resulted in recovery of the choroid thickness in all the patients. This has lead the authors to a conclusion that isolated measurements of the choroid thickness in patients with impaired arterial extracranial blood stream cannot serve the diagnostic ophthalmologic test for the detection of patients with carotid insufficiency, but such measurements carried out by ultrasonic techniques, combined with other functional ophthalmologic methods, give valuable information on the time course of changes in the eyeball blood content.

  9. Effects of Ruan Jian San Jie decoction combined with simvastatintreatment on serum adhesion molecules, protease and endothelial indexes of carotid atherosclerosis patients

    Institute of Scientific and Technical Information of China (English)

    Xiao-Yun Chen; Chun-Ying Chen; Hai-Bo Bai

    2015-01-01

    Objective: To study the effect of Ruan Jian San Jie decoction combined with simvastatin treatment on serum adhesion molecules, protease and endothelial indexes of carotid atherosclerosis patients. Methods: 100 carotid atherosclerosis patients found in health examination in our hospital from July 2013 to October 2014 were enrolled and randomly divided into two groups. Observation group received Ruan Jian San Jie decoction combined with simvastatin treatment; control group only received simvastatin treatment. Then serum adhesion molecules, protease contents and endothelial function indexes of both groups were detected. Results: (1) adhesion molecules: serum E-selectin, ICAM-1, VCAM-1, LFA-1, CD40 contents of observation group were lower than those of control group; (2) protease molecules: serum Cat K, MMP1, MMP2, MMP9 contents of observation group were lower than those of control group; TIMP1 content was higher than that of control group; (3) endothelial function: EMPs, carotid intima-media thickness and plaque area of observation group were lower than those of control group; FMD and vessel diameter were higher than those of control group. Conclusion: Ruan Jian San Jie decoction combined with simvastatin treatment is helpful to reduce the contents of serum adhesion molecules and protease molecules and improve endothelial function; it is an ideal method to treat carotid atherosclerosis.

  10. Comparison between multi-detector row CT angiography and Doppler ultrasound on detecting carotid artery wall thickness%多层螺旋CT与Doppler超声对颈动脉壁层厚度的对比性研究

    Institute of Scientific and Technical Information of China (English)

    赵刚; 查云飞; 王弘; 洪玮; 邱晓明; 王珍; 肖友梅

    2013-01-01

    Objective To explore the relationship and consistency between multi-detector row computed tomography angiography (MDCTA) and color Doppler ultrasound (CD-US) in measuring carotid artery wall thickness (CAWT) and intima-media thickness (IMT). Methods CAWT and IMT of 38 subjects were measured using MDCTA and CD-US, respectively. Linear correlation analysis was performed to analyze the correlation between the results from CAWT and IMT,and Bland-Altman statistics was employed to analyze the consistency between them. Results The IMT value measured by CD-US was (0.85+0.16) mm, and the CAWT value measured by MDCTA was (0.87.± 0.18) mm (P > 0.05), and there was a high degree of correlation between them (correlation coefficient was 0.958,P< 0.01). An excellent consistency between CAWT and IMT was found by Bland-Altman plot, with a bias of 0.026 mm and the limit of consistency from -0.023 to 0.075. Conclusions There were significant correlation and consistency between MDCTA and CD-US in detecting CAWT and IMT. As a more objective and comprehensive new method, MDCTA can replace CD-US in the evaluation of early carotid atherosclerosis.%目的:探讨多层螺旋CT血管造影(MDCTA)和彩色多普勒超声(CD-US)在检测颈总动脉壁厚度(CAWT)和颈总动脉内膜-中层厚度(IMT)中的相关性和一致性.方法:应用MDCTA和CD-US分别对38例受试者颈总动脉的CAWT和IMT进行检测,用Pearson直线相关分析比较CAWT和IMT的相关性,用Bland-Altman分析比较两者的一致性.结果:MDCTA测量的颈总动脉CAWT为(0.87±0.18)mm,CD-US测量的颈总动脉IMT为(0.85±0.16)mm,两者比较无统计学差异,有高度相关性,相关系数为0.958,P<0.01,Bland-Altman分析两者间存在良好一致性,偏倚为0.026 mm,一致性界限为-0.023 ~ 0.075.结论:MDCTA和CD-US在检测颈总动脉CAWT和IMT时存在良好的相关性和一致性,MDCTA可以替代CD-US,作为一种评价颈动脉早期粥样硬化的更加客观全面的新方法.

  11. ASSOCIATION OF POSTPRANDIAL HYPERTRIGLYCERIDEMIA AND CAROTID ATHEROSCLEROSIS IN PATIENTS WITH TYPE 2 DM

    Directory of Open Access Journals (Sweden)

    Suresh

    2014-12-01

    Full Text Available The dyslipidemia that accompanies type 2 diabetes plays an important role in the pathogenesis of accelerated atherosclerosis. Several studies have proved that in type 2 diabetes, elevated triglyceride levels may be a better predictor of Ischemic heart disease (IHD than elevated LDL cholesterol levels. Although triglyceride levels are generally increased in the postprandial periods, the association between postprandial triglyceride levels and atherosclerosis has not been investigated in diabetic patients. The carotid intima media thickness (CIMT is increased in patients with postprandial hypertriglyceridemia despite normal fasting triglyceride levels. So to investigate the role of postprandial hypertriglyceridemia in early atherosclerosis there is a need to correlate between postprandial triglyceride levels and carotid intima media thickness values. METHODS: This is a comparative study in which 50 patients of Diabetes mellitus type 2 >1 year duration of age 35-75 years were included. Carotid artery Doppler was done by B-mode ultrasound using a 7.5 MHZ transducer with annular array ultrasound imaging system. Blood samples were obtained after an overnight fast and blood samples were taken again 4 hrs after the meal. OBSERVATIONS AND RESULTS: The study population (Type 2 diabetics is divided into 3 groups based on fasting and postprandial triglyceride levels. NORMO-NORMAL (NN GROUP: This group consists of subjects with normal fasting triglyceride level (≤150 mgs/dl and normal postprandial triglyceride levels (≤200 mgs/dl. NORMO-HYPER (NH GROUP: This group consists of subjects with normal fasting triglyceride level (≤150 mgs/dl and elevated postprandial triglyceride levels (>200 mgs/dl. HYPER – HYPER (HH GROUP: This group consists of subjects with elevated fasting triglyceride level (>150mgs/dl and elevated postprandial triglyceride levels (>200 mgs/dl. CONCLUSION: Postprandial hypertriglyceridemia, despite normal fasting triglyceride levels

  12. The Association of Elevated HDL Levels With Carotid Atherosclerosis in Middle-Aged Women With Untreated Essential Hypertension.

    Science.gov (United States)

    Triantafyllidi, Helen; Pavlidis, George; Trivilou, Paraskevi; Ikonomidis, Ignatios; Tzortzis, Stavros; Xenogiannis, Iosif; Schoinas, Antonios; Lekakis, John

    2015-11-01

    High-density lipoprotein cholesterol (HDL-C), a negative risk factor, is positively associated with a decreased risk of coronary heart disease. We investigated the association between high HDL-C levels and target organ damage (TOD) in never treated women with hypertension. We measured HDL-C levels in 117 women followed by estimation of TODs, that is, pulse wave velocity, microalbuminuria, left ventricular mass index, coronary flow reserve, and carotid intima-media thickness (cIMT). Women were divided into 2 groups (HDLH and HDLL), regarding HDL-C quartiles (upper quartile vs the first 3 lower quartiles). In HDLH group : HDL ≥70 mg/dL), cIMT was nonindependently, negatively related to HDL-C (ρ = -.42, P HDL ≥76.5 mg/dL moderately predicted the absence of carotid atherosclerosis (area under the curve: 0.77, P = .02; confidence interval: 0.57-0.97; sensitivity 73% and specificity 67%). Increased HDL-C may predict the absence of carotid atherosclerosis in middle-age women with untreated essential hypertension and consequently contribute to total cardiovascular risk estimation and treatment planning.

  13. Endothelial dysfunction, carotid artery plaque burden, and conventional exercise-induced myocardial ischemia as predictors of coronary artery disease prognosis

    Directory of Open Access Journals (Sweden)

    Ishihara Masayuki

    2008-12-01

    Full Text Available Abstract Background While both flow-mediated vasodilation (FMD in the brachial artery (BA, which measures endothelium-dependent vasodilatation, and intima-media thickness (IMT in the carotid artery are correlated with the prognosis of coronary artery disease (CAD, it is not clear which modality is a better predictor of CAD. Furthermore, it has not been fully determined whether either of these modalities is superior to conventional ST-segment depression on exercise stress electrocardiogram (ECG as a predictor. Thus, the goal of the present study was to compare the predictive value of FMD, IMT, and stress ECG for CAD prognosis. Methods and Results A total of 103 consecutive patients (62 ± 9 years old, 79 men with clinically suspected CAD had FMD and nitroglycerin-induced dilation (NTG-D in the BA, carotid artery IMT measurement using high-resolution ultrasound, and exercise treadmill testing. The 73 CAD patients and 30 normal coronary patients were followed for 50 ± 15 months. Fifteen patients had coronary events during this period (1 cardiac death, 2 non-fatal myocardial infarctions, 3 acute heart failures, and 9 unstable anginas. On Kaplan-Meier analysis, only FMD and stress ECG were significant predictors for cardiac events. Conclusion Brachial endothelial function as reflected by FMD and conventional exercise stress testing has comparable prognostic value, whereas carotid artery plaque burden appears to be less powerful for predicting future cardiac events.

  14. Association of the ACE rs4646994 and rs4341 polymorphisms with the progression of carotid atherosclerosis in slovenian patients with type 2 diabetes mellitus

    Science.gov (United States)

    Merlo, S; Novák, J; Tkáčová, N; Nikolajević Starčević, J; Šantl Letonja, M; Makuc, J; Cokan Vujkovac, A; Letonja, J; Bregar, D; Zorc, M; Rojko, M; Mankoč, S; Kruzliak, P

    2015-01-01

    Abstract The current study was designed to reveal possible associations between the angiotensin-converting-enzyme (ACE) gene polymorphisms (rs4646994 and rs4341) with markers of carotid atherosclerosis in patients with type 2 diabetes mellitus (T2DM) in a 4-year-long follow-up study. Five hundred and ninety-five T2DM subjects and 200 control subjects were enrolled. Genotyping of ACE polymorphisms was performed using KASPar assays, and ultrasound examinations were performed twice (at the enrollment and at follow-up). With regard to the progression of atherosclerosis in subjects with T2DM, statistically significant differences were demonstrated in the change of the sum of carotid plaques thickness for the rs4646994 polymorphism. We did not demonstrate an association between the tested polymorphisms (rs4646994 and rs4341) and either carotid intima media thickness (CIMT) or CIMT progression in a 3.8-year period. In our study, we demonstrated that subjects with T2DM with the DD genotype of the rs4646994 [ACE insertion/deletion (I/D)] polymorphism had faster progression of atherosclerosis in comparison to subjects with other genotypes. PMID:27785395

  15. Effect of coronary heart disease combined with hyperhomocysteinemia on carotid plaque features and stroke

    Institute of Scientific and Technical Information of China (English)

    Ya-Ling Ning; Gang Tian

    2016-01-01

    Objective:To analyze the effect of coronary heart disease combined with hyperhomocysteinemia on carotid plaque features and stroke.Methods:A total of 110 patients with coronary heart disease treated from May 2011 to May 2012 were selected for study, and according to the levels of plasma homocysteine (Hcy), they were divided into high Hcy groups (plasma Hcy ≥10 μmol/L) and normal Hcy group (plasma Hcy <10 μmol/L). Carotid ultrasonography was conducted and the plaque features were assessed, plasma levels of plaque stability-related molecules, lipid metabolism indexes and inflammatory mediators of two groups were detected, and the incidence of stroke were followed up for 3 years.Results: The number of instable carotid plaques of high Hcy group was more than that of normal Hcy group, and carotid intima-media thickness was higher than that of normal Hcy group; plasma TG, TC, LDL-C, PAPP-A, OPN, PTX3, ANGPTL4, MMP7, MMP9, IL-6, IL-8, TNF-α and MCP-1 levels of high Hcy group were significantly higher than those of normal Hcy group, HDL-C, IL-10, IL-13, TGFβ and IL-4 levels were significantly lower than those of normal Hcy group, and plasma ApoA and ApoB levels were not statistically different from those of normal Hcy group; 3 years of follow-up showed that the incidence of stroke of high Hcy group on the 1st year, 2nd year and 3rd year were higher than those of normal Hcy group.Conclusions:Carotid plaque instability increases, and the risk of long-term stroke is higher in coronary heart disease patients with hyperhomocysteinemia.

  16. INSULIN RESISTANCE AND CAROTID ATHEROSCLEROSIS IN 221 PATIENTS WITH POTENTIAL HYPERGLYCEMIA

    Institute of Scientific and Technical Information of China (English)

    Bo Yang; Tian-de Li; Jin-song Wang; Guang Zhi; Wen-sheng Jin; Yong Xu

    2005-01-01

    Objective To investigate the relationship between insulin resistance and carotid atherosclerosis in patients with potential hyperglycemia.Methods A total of 221 patients were recruited among those with potential hyperglycemia. All participants underwent physical examination, medical history interview, and 75 g oral glucose tolerance test. Venous blood was sampled for measurement of insulin and cholesterol levels. The intima-media thickness (IMT) in bilateral common carotid arteries was observed by B-mode ultrasound. Insulin resistance index was calculated by homeostasis model assessment (HOMA-IR).Subjects were stratified in quintiles according to HOMA-IR values. Risk factors and atherosclerotic parameters were analyzed.Results With HOMA-IR value increase, incidence of impaired glucose tolerance, diabetes mellitus, hypertension, and coronary artery disease increased, the levels of triglyceride (TG), low density lipoprotein cholesterol (LDL-C), fasting plasma glucose, 2 hour plasma glucose, and fasting insulin increased as well, while the level of high density lipoprotein cholesterol (HDL-C) decreased. Meanwhile, all atherosclerotic parameters increased. Multivariate regression analysis showed that TG, total cholesterol, HDL-C, LDL-C levels, and In(HOMA-IR) were related to IMT, hence were risk factors for IMT increase.Conchsion Insulin resistance is implicated in atherogenesis.

  17. Breast arterial calcification and risk of carotid atherosclerosis: Focusing on the preferentially affected layer of the vessel wall

    Energy Technology Data Exchange (ETDEWEB)

    Sedighi, Nahid, E-mail: nsedighi@sina.tums.ac.ir [Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences. North Kargar Ave., Tehran 14114 (Iran, Islamic Republic of); Radmard, Amir Reza, E-mail: radmard@ams.ac.ir [Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences. North Kargar Ave., Tehran 14114 (Iran, Islamic Republic of); Radmehr, Ali, E-mail: radmehr@sina.tums.ac.ir [Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences. North Kargar Ave., Tehran 14114 (Iran, Islamic Republic of); Hashemi, Pari, E-mail: phtums@yahoo.com [Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences. North Kargar Ave., Tehran 14114 (Iran, Islamic Republic of); Hajizadeh, Abdolmahmoud, E-mail: mroomezi@yahoo.com [Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences. North Kargar Ave., Tehran 14114 (Iran, Islamic Republic of); Taheri, Amir Pejman Hashemi, E-mail: hashemip@sina.tums.ac.ir [Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences. North Kargar Ave., Tehran 14114 (Iran, Islamic Republic of)

    2011-08-15

    Objective: To assess the relationship between breast arterial calcification (BAC) detected on screening mammography and atherosclerosis of carotid arteries considering the most likely involved layer of the arterial wall. Materials and methods: A total of 537 consecutive women who underwent screening mammography were enrolled in this study. Seventy-nine subjects having BAC, aged 46-75 years, and 125 age-matched controls from those without BAC were selected for ultrasound examination of carotid arteries assessing intima-media thickness (IMT) and plaque presence. Participants were divided into three groups of risk including, low-risk: IMT < 0.6 mm without plaque, medium-risk: 0.6 mm {<=} IMT {<=} 0.8 mm without plaque and high-risk: IMT > 0.8 mm and/or plaque. Risk factors for atherosclerosis were obtained from medical records for independent effects. Results: BAC was present in 14.7% of mammograms. According to multivariable logistic regression analyses, significant association was identified between the carotid atherosclerosis risk and presence of BAC. Compared to women with IMT < 0.6 mm, those with 0.6 mm {<=} IMT{<=} 0.8 mm and IMT > 0.8 mm had OR (95% CI) of 4.88 (1.47-16.16) and 23.36 (4.54-120.14), respectively. The OR (95% CI) for carotid plaque was 3.13 (1.3-7.57). There was no interaction between IMT category and plaque. Significant associations were also detected with postmenopausal duration (P = 0.02) and hypertension (P = 0.004). Conclusion: The risk of carotid atherosclerosis increases with the presence of BAC. Women with BAC are more likely to have thicker IMT than plaque, which could be attributed to the preferentially similar affected layer of media causing thick IMT rather than plaque.

  18. CARES: Completely Automated Robust Edge Snapper for carotid ultrasound IMT measurement on a multi-institutional database of 300 images: a two stage system combining an intensity-based feature approach with first order absolute moments

    Science.gov (United States)

    Molinari, Filippo; Acharya, Rajendra; Zeng, Guang; Suri, Jasjit S.

    2011-03-01

    The carotid intima-media thickness (IMT) is the most used marker for the progression of atherosclerosis and onset of the cardiovascular diseases. Computer-aided measurements improve accuracy, but usually require user interaction. In this paper we characterized a new and completely automated technique for carotid segmentation and IMT measurement based on the merits of two previously developed techniques. We used an integrated approach of intelligent image feature extraction and line fitting for automatically locating the carotid artery in the image frame, followed by wall interfaces extraction based on Gaussian edge operator. We called our system - CARES. We validated the CARES on a multi-institutional database of 300 carotid ultrasound images. IMT measurement bias was 0.032 +/- 0.141 mm, better than other automated techniques and comparable to that of user-driven methodologies. Our novel approach of CARES processed 96% of the images leading to the figure of merit to be 95.7%. CARES ensured complete automation and high accuracy in IMT measurement; hence it could be a suitable clinical tool for processing of large datasets in multicenter studies involving atherosclerosis.pre-

  19. Completely automated multiresolution edge snapper (CAMES): a new technique for an accurate carotid ultrasound IMT measurement and its validation on a multi-institutional database

    Science.gov (United States)

    Molinari, Filippo; Loizou, Christos; Zeng, Guang; Pattichis, Costantinos; Pantziaris, Marios; Liboni, William; Nicolaides, Andrew; Suri, Jasjit S.

    2011-03-01

    Since 2005, our research team has been developing automated techniques for carotid artery (CA) wall segmentation and intima-media thickness (IMT) measurement. We developed a snake-based technique (which we named CULEX1,2), a method based on an integrated approach of feature extraction, fitting, and classification (which we named CALEX3), and a watershed transform based algorithm4. Each of the previous methods substantially consisted in two distinct stages: Stage-I - Automatic carotid artery detection. In this step, intelligent procedures were adopted to automatically locate the CA in the image frame. Stage-II - CA wall segmentation and IMT measurement. In this second step, the CA distal (or far) wall is segmented in order to trace the lumen-intima (LI) and media-adventitia (MA) boundaries. The distance between the LI/MA borders is the IMT estimation. The aim of this paper is the description of a novel and completely automated technique for carotid artery segmentation and IMT measurement based on an innovative multi-resolution approach.

  20. Quantitative evaluation of the structure and function of the common carotid artery in hypertriglyceridemic subjects using ultrasound radiofrequency-data technology

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    Dan, Hai-Jun, E-mail: danhaijun@163.com [Department of Physical Examination, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei (China); Wang, Yan [Department of Ultrasound in Medicine, Shanghai Jiao Tong University Affiliated Sixth People' s Hospital, Shanghai 200233 (China); Sha, Hai-Jing [Second Department of Geriatrics, The Central Hospital of Handan, Handan 056001, Hebei (China); Wen, Shu-Bin [Department of Physical Examination, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei (China)

    2012-11-15

    Assessment of the properties of blood-vessel walls by ultrasound radiofrequency (RF)-data technology is an innovative technique. We quantitatively evaluated the intima-media thickness (IMT) and arterial elasticity of the common carotid artery (CCA) in asymptomatic subjects with hypertriglyceridemia (HTG) using RF-data technology. Thirty HTG subjects and 30 matched controls were enrolled in the study. The common carotid arterial systolic diameter, diastolic diameter, IMT, carotid distensibility (CD), local pulse wave velocity (PWV{beta}), and stiffness ({beta}) were compared between the two groups, as was the correlation between triglyceride level and the parameters mentioned above. The HTG group had significantly higher values of CCA-IMT compared with the control group (p < 0.001). There were significant differences between the HTG group and controls in terms of higher values of PWV{beta} and {beta}, and lower values of CD (all p < 0.05). No difference was observed in terms of the systolic and diastolic diameter of the CCA (p > 0.05). The level of triglycerides had significant positive correlations with CCA-IMT (r = 0.493, p < 0.001), whereas significant correlations with CD, PWV{beta}, and {beta} were not observed in the HTG group. Ultrasound RF-data technology can be used to non-invasively and quantitatively detect the change in the structure and function of the CCA in asymptomatic HTG subjects for evaluating preclinical atherosclerosis.

  1. Study on ultrasound evaluation of carotid atherosclerosis and its predicting value for coronary heart disease

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    Peng-Hui Jian; Li-Fen Xu; Tie-Jun Zhang

    2016-01-01

    Objective:To study the ultrasound features of carotid atherosclerosis and its predicting value for coronary heart disease.Methods: A total of 55 cases of patients with coronary heart disease were selected as coronary heart disease group, 55 cases of healthy subjects were selected as control group, carotid artery ultrasound was used to detect intima-media thickness and judge the degree of coronary artery lesion, and plasma was collected to detect blood lipid metabolism indicators (FFA, LDL-C and HDL-C) and inflammation indicators (CCL21, CCR7, sCD40L, MFG-E8 and IL-10). Results:Carotid artery IMT of CHD group was significantly higher than that of control group, and the more the number of coronary artery lesions, the higher the IMT; plasma FFA, LDL-C, CCL21, CCR7 and sCD40L content of CHD group were higher than those of control group, and HDL-C, MFG-E8 and IL-10 content as well as HDL-C/LDL-C ratio were lower than those of control group; blood lipid metabolism indicators and inflammation indicators of coronary heart disease patients with different IMT were different, and the thicker the IMT, the higher the plasma FFA, LDL-C, CCL21, CCR7 and sCD40L content, the lower the HDL-C, MFG-E8 and IL-10 content as well as HDL-C/LDL-C ratio. Conclusion:Carotid artery IMT of patients with coronary heart disease significantly thickens and can assess the number of coronary artery lesions, blood lipid metabolism and degree of inflammation.

  2. A new method for IVUS-based coronary artery disease risk stratification: A link between coronary & carotid ultrasound plaque burdens.

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    Araki, Tadashi; Ikeda, Nobutaka; Shukla, Devarshi; Londhe, Narendra D; Shrivastava, Vimal K; Banchhor, Sumit K; Saba, Luca; Nicolaides, Andrew; Shafique, Shoaib; Laird, John R; Suri, Jasjit S

    2016-02-01

    Interventional cardiologists have a deep interest in risk stratification prior to stenting and percutaneous coronary intervention (PCI) procedures. Intravascular ultrasound (IVUS) is most commonly adapted for screening, but current tools lack the ability for risk stratification based on grayscale plaque morphology. Our hypothesis is based on the genetic makeup of the atherosclerosis disease, that there is evidence of a link between coronary atherosclerosis disease and carotid plaque built up. This novel idea is explored in this study for coronary risk assessment and its classification of patients between high risk and low risk. This paper presents a strategy for coronary risk assessment by combining the IVUS grayscale plaque morphology and carotid B-mode ultrasound carotid intima-media thickness (cIMT) - a marker of subclinical atherosclerosis. Support vector machine (SVM) learning paradigm is adapted for risk stratification, where both the learning and testing phases use tissue characteristics derived from six feature combinational spaces, which are then used by the SVM classifier with five different kernels sets. These six feature combinational spaces are designed using 56 novel feature sets. K-fold cross validation protocol with 10 trials per fold is used for optimization of best SVM-kernel and best feature combination set. IRB approved coronary IVUS and carotid B-mode ultrasound were jointly collected on 15 patients (2 days apart) via: (a) 40MHz catheter utilizing iMap (Boston Scientific, Marlborough, MA, USA) with 2865 frames per patient (42,975 frames) and (b) linear probe B-mode carotid ultrasound (Toshiba scanner, Japan). Using the above protocol, the system shows the classification accuracy of 94.95% and AUC of 0.95 using optimized feature combination. This is the first system of its kind for risk stratification as a screening tool to prevent excessive cost burden and better patients' cardiovascular disease management, while validating our two hypotheses.

  3. Carotid Intimal-Medial Thickness Is Not Increased in Women with Previous Gestational Diabetes Mellitus

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    Yun Hyi Ku

    2011-10-01

    Full Text Available BackgroundGestational diabetes mellitus (GDM is known to increase the risk of cardiovascular diseases. Measuring the carotid artery intimal-medial thickness (CIMT is a non-invasive technique used to evaluate early atherosclerosis and to predict future cardiovascular diseases. We examined the association between CIMT and cardiovascular risk factors in young Korean women with previous GDM.MethodsOne hundred one women with previous GDM and 19 women who had normal pregnancies (NP were recruited between 1999 and 2002. At one year postpartum, CIMT was measured using high-resolution B-mode ultrasonography, and oral glucose tolerance tests were performed. Fasting glucose, glycated hemoglobin A1c (HbA1c, insulin levels and lipid profiles were also measured. CIMTs in the GDM and NP groups were compared, and the associations between CIMT and cardiovascular risk factors were analyzed in the GDM group.ResultsCIMT results of the GDM group were not significantly different from those of the NP group (GDM, 0.435±0.054 mm; NP, 0.460±0.046 mm; P=0.069. In the GDM group, a higher HbA1c was associated with an increase in CIMT after age adjustment (P=0.011. CIMT results in the group with HbA1c >6.0% were higher than those of the normal HbA1c (HbA1c ≤6.0% (P=0.010. Nine of the patients who are type 2 diabetes mellitus converters within one year postpartum but showed no significant difference in CIMT results compared to NP group.ConclusionHigher HbA1c is associated with an increase in CIMT in women with previous GDM. However, CIMT at one year postpartum was not increased in these women compared to that in NP women.

  4. Increased carotid IMT in overweight and obese women affected by Hashimoto's thyroiditis: an adiposity and autoimmune linkage?

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    Pietro Guida

    2010-05-01

    Full Text Available Abstract Background Hashimoto's thyroiditis is the most important cause of hypothyroidism. It is a systemic disease that can even affect the cardiovascular system, by accelerating the atherosclerotic process. Aim of this study was to examine whether autoimmune thyroiditis has an effect on the intima-media thickness of the common carotid artery (IMT-CCT, independently of the thyroid function and well-known cardiovascular risk factors. Hashimoto's thyroiditis is a systemic disease. The aim is to examine whether autoimmune thyroiditis and adiposity can effect carotid IMT independently of thyroid hormones and cardiovascular risk factors. Methods A total of 104 obese women (BMI ≥ 25.0 kg/m-2, with FT3 and FT4 serum levels in the normal range and TSH levels Results Of the 104 women, 30 (28.8% were affected by autoimmune thyroiditis. Significantly higher values of IMT-CCT (p Conclusions The present study shows that Hashimoto's thyroiditis is associated to an increased IMT only in overweight and obese, independently of the thyroid function, BMI and cardiovascular risk factors. These results suggest that Hashimoto's thyroiditis is a marker of evolution of the atherosclerosis if combined to adiposity.

  5. A Data Mining Approach for Cardiovascular Disease Diagnosis Using Heart Rate Variability and Images of Carotid Arteries

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    Hyeongsoo Kim

    2016-06-01

    Full Text Available In this paper, we proposed not only an extraction methodology of multiple feature vectors from ultrasound images for carotid arteries (CAs and heart rate variability (HRV of electrocardiogram signal, but also a suitable and reliable prediction model useful in the diagnosis of cardiovascular disease (CVD. For inventing the multiple feature vectors, we extract a candidate feature vector through image processing and measurement of the thickness of carotid intima-media (IMT. As a complementary way, the linear and/or nonlinear feature vectors are also extracted from HRV, a main index for cardiac disorder. The significance of the multiple feature vectors is tested with several machine learning methods, namely Neural Networks, Support Vector Machine (SVM, Classification based on Multiple Association Rule (CMAR, Decision tree induction and Bayesian classifier. As a result, multiple feature vectors extracted from both CAs and HRV (CA+HRV showed higher accuracy than the separative feature vectors of CAs and HRV. Furthermore, the SVM and CMAR showed about 89.51% and 89.46%, respectively, in terms of diagnosing accuracy rate after evaluating the diagnosis or prediction methods using the finally chosen multiple feature vectors. Therefore, the multiple feature vectors devised in this paper can be effective diagnostic indicators of CVD. In addition, the feature vector analysis and prediction techniques are expected to be helpful tools in the decisions of cardiologists.

  6. Improved correlation between carotid and coronary atherosclerosis SYNTAX score using automated ultrasound carotid bulb plaque IMT measurement.

    Science.gov (United States)

    Ikeda, Nobutaka; Gupta, Ajay; Dey, Nilanjan; Bose, Soumyo; Shafique, Shoaib; Arak, Tadashi; Godia, Elisa Cuadrado; Saba, Luca; Laird, John R; Nicolaides, Andrew; Suri, Jasjit S

    2015-05-01

    Described here is a detailed novel pilot study on whether the SYNTAX (Synergy between percutaneous coronary intervention with TAXUS and cardiac surgery) score, a measure of coronary artery disease complexity, could be better predicted with carotid intima-media thickness (cIMT) measures using automated IMT all along the common carotid and bulb plaque compared with manual IMT determined by sonographers. Three hundred seventy consecutive patients who underwent carotid ultrasound and coronary angiography were analyzed. SYNTAX score was determined from coronary angiograms by two experienced interventional cardiologists. Unlike most methods of cIMT measurement commonly used by sonographers, our method involves a computerized automated cIMT measurement all along the carotid artery that includes the bulb region and the region proximal to the bulb (under the class of AtheroEdge systems from AtheroPoint, Roseville, CA, USA). In this study, the correlation between automated cIMT that includes bulb plaque and SYNTAX score was found to be 0.467 (p SYNTAX score. The correlation between the automated cIMT and the sonographer's IMT was 0.882. When compared against the radiologist's manual tracings, automated cIMT system performance had a lumen-intima error of 0.007818 ± 0.0071 mm, media-adventitia error of 0.0179 ± 0.0125 mm and automated cIMT error of 0.0099 ± 0.00988 mm. The precision of automated cIMT against the manual radiologist's reading was 98.86%. This current automated algorithm revealed a significantly stronger correlation between cIMT and coronary SYNTAX score as compared with the sonographer's cIMT measurements with multiple cardiovascular risk factors. We benchmarked our correlation between the automated cIMT that includes bulb plaque and SYNTAX score against a previously published (Ikeda et al. 2013) AtheroEdgeLink (AtheroPoint) correlation between the automated cIMT that does not include bulb plaque and SYNTAX score and had an improvement of 44.58%. By sampling

  7. Red cell distribution width in relation to incidence of stroke and carotid atherosclerosis: a population-based cohort study.

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    Martin Söderholm

    Full Text Available Increased red cell distribution width (RDW has been related to poor prognosis in patients with cardiovascular disease, and is a predictor of cardiovascular mortality in the general population. The purpose of the present study was to investigate if RDW is associated with increased incidence of stroke and its subtypes in individuals from the general population.Red cell distribution width was measured in 26,879 participants (16,561 women and 10,318 men aged 45-73 years without history of coronary events or stroke, from the population-based Malmö Diet and Cancer Study. Incidences of total stroke and stroke subtypes over a mean follow-up of 15.2 years were calculated in relation to sex-specific quartiles of RDW. The presence of carotid plaque and intima-media thickness, as assessed by ultrasound, was studied in relation to RDW in a randomly selected subcohort (n = 5,309.Incidences of total stroke (n = 1,869 and cerebral infarction (n = 1,544 were both increased in individuals with high RDW. Hazard ratios (HRs in the highest compared to the lowest quartile were 1.31 for total stroke (95% confidence interval [CI]: 1.11-1.54, p for trend = 0.004 and 1.32 for cerebral infarction (95% CI: 1.10-1.58, p for trend = 0.004 after adjustment for stroke risk factors and hematological parameters. The adjusted HR for intracerebral hemorrhage (n = 230 was 1.44 (95% CI: 0.90-2.30 and the HR for subarachnoid hemorrhage (n = 75 was 0.94 (95% CI: 0.43-2.07, in the highest compared to the lowest quartile of RDW. Red cell distribution width was positively associated with intima-media thickness of the common carotid artery (p for trend = 0.011.Red cell distribution width in the highest quartile was associated with increased incidence of total stroke and cerebral infarction. There was no significant association between RDW and incidence of intracerebral or subarachnoid hemorrhage.

  8. Fatty liver, carotid disease and gallstones: A study of age-related associations

    Institute of Scientific and Technical Information of China (English)

    Amedeo Lonardo; Paola Loria; Silvia Lombardini; Federica Scaglioni; Stefano Ballestri; Anna Maria Verrone; Marco Bertolotti; Lucia Carulli; Dorval Ganazzi; Nicola Carulli

    2006-01-01

    AIM: To evaluate carotid intima-media thickening (IMT)and plaques, gallstone disease (GD) and fatty liver (FL)as a function of age.METHODS: In 449 subjects, FL and carotid disease were assessed ultrasonographically. In a subgroup of 65/449 patients with non-alcoholic fatty liver disease (NAFLD), carotid disease, GD and associated factors were determined.RESULTS: FL of unspecified etiology was more common in younger and GD in older individuals. FL subjects had an increased prevalence of IMT and a decreased prevalence of plaques and manifested carotid disease earlier. Plaques were more common in subjects with GD.Age was an independent predictor of carotid disease outcome and FL was a protective factor for plaques. In NAFLD, there was an inverse correlation between body weight and age and the latter independently predicted carotid findings.CONCLUSION: Cardiovascular risk in patients with FL and NAFLD needs to be assessed as a function of age and body weight.

  9. Value of carotid intimal–medial thickness as independent predictor of endothelial dysfunction in uremic patients

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    Hosni A. Younis

    2011-06-01

    Conclusion: (1 The study confirmed that carotid IMT and brachial artery FMD can be used in interventional studies in which cardiovascular risk is modified and increased in the uremic patients. (2 There was negative correlation between brachial FMD and C-IMT in the uremic patients.

  10. Mildly elevated serum bilirubin levels are negatively associated with carotid atherosclerosis among elderly persons.

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    Ryuichi Kawamoto

    Full Text Available Serum bilirubin may have a beneficial role in preventing oxidative changes in atherosclerosis. Limited information is available on whether serum total bilirubin is an independent confounding factor for carotid atherosclerosis {for example, intima-media thickness (IMT, plaque} measured noninvasively by B-mode ultrasonography only among elderly persons. The study subjects were 325 men aged 79 ± 8 (mean ± standard deviation years and 509 women aged 81 ± 8 years that were enrolled consecutively from patients aged ≥ 60 years in the medical department. Carotid IMT and plaque were derived via B-mode ultrasonography. Multiple linear regression analysis showed that in men age (β = 0.199, p = 0.002, smoking status (β = 0.154, p = 0.006, GGT (β = -0.139, p = 0.039, and GGT (β = -0.133, p = 0.022 were significantly and independently associated with carotid IMT, and in women age (β = 0.186, p < 0.001, systolic blood pressure (β = 0.104, p = 0.046, diastolic blood pressure (β = -0.148, p = 0.004, prevalence of antihypertensive medication (β = 0.126, p = 0.004, fasting plasma glucose (β = 0.135, p = 0.003, GGT (β = -0.104, p = 0.032, estimated glomerular filtration rate, serum bilirubin (β = -0.119, p = 0.006, and prevalence of cardiovascular disease (CVD (β = 0.103, p = 0.017 were also independently associated with carotid IMT. The odds ratios (ORs {95% confidence interval (CI} of increasing serum bilirubin category were negatively associated with carotid IMT ≥ 1.0 mm and plaque in both genders. Compared to subjects with a serum bilirubin of Quartile-1, the multivariate-OR (95% CI of carotid plaque was 0.25 (0.11-0.57 in the Quartile-4 male group, and 0.41 (0.21-0.78 in the Quartile-2 female group, 0.51 (0.26-0.98 in the Quartile-3 female group, and 0.46 (0.24-0.89 in the Quartile-4 female group. Our data demonstrated an independently negative association between serum bilirubin and carotid atherosclerosis in both genders.

  11. Role of fuzzy pre-classifier for high performance LI/MA segmentation in B-mode longitudinal carotid ultrasound images.

    Science.gov (United States)

    Molinari, Filippo; Gaetano, Laura; Balestra, Gabriella; Suri, Jasjit S

    2010-01-01

    The automated segmentation of the carotid artery wall from ultrasound images is required for an accurate measurement of the artery intima-media thickness. Segmentation accuracy of automated techniques is usually limited by noise and artifacts. In 2005, the authors developed a methodology called CULEX whose performance was noise sensitive. The final stage of CULEX segmentation was fuzzy clustering of the pixels, to detect the lumen-intima (LI) and media-adventitia (MA) carotid wall interfaces. In this paper, we show the effect of a fuzzy Mamdani-type pre-classifier used to improve the segmentation performance. Thanks to the Mamdami fuzzy pre-classifier, we optimized the de-fuzzyfication threshold, increasing the LI and MA performance by 62% and 3.5%, respectively. The obtained segmentation errors (55.6 ± 69.4 microm for LI and 34.4 ± 24.4 microm for MA), validated against human tracings and on a 200-images dataset containing a mixture of healthy and plaque vessels.

  12. Dual stack black blood carotid artery CMR at 3T: Application to wall thickness visualization

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    Marx Nikolaus

    2009-11-01

    Full Text Available Abstract Background The increasing understanding of atherosclerosis as an important risk factor for the development of acute ischemic events like ischemic stroke has stimulated increasing interest in non-invasive assessment of the structure, composition and burden of plaque depositions in the carotid artery wall. Vessel wall imaging by means of cardiovascular magnetic resonance (CMR is conventionally done by 2D dual inversion recovery (DIR techniques, which often fail in covering large volumes of interest as required in plaque burden assessment. Although the technique has been extended to 2D multislice imaging, its straight extension to 3D protocols is still limited by the prolonged acquisition times and incomplete blood suppression. A novel approach for rapid overview imaging of large sections of the carotid artery wall at isotropic spatial resolutions is presented, which omits excitation of the epiglottis. By the interleaved acquisition of two 3D stacks with the proposed motion sensitized segmented steady-state black-blood gradient echo technique (MSDS the coverage of the carotid artery trees on both sides in reasonable scan times is enabled. Results 10 patients were investigated with the proposed technique and compared to conventional transversal DIR turbo spin and gradient echo approaches centered at the height of the carotid bifurcation. In all MSDS experiments sufficient black-blood contrast could be obtained over the entire covered volumes. The contrast to noise ratio between vessel and suppressed blood was improved by 73% applying the motion sensitizing technique. In all patients the suspicious areas of vessel wall thickening could be clearly identified and validated by the conventional local imaging approach. The average assessable vessel wall segment length was evaluated to be 18 cm. While in 50% of the cases motion artifacts could be appreciated in the conventional images, none were detected for the MSDS technique. Conclusion The

  13. Antibodies Against β2-Glycoprotein I Complexed With an Oxidised Lipoprotein Relate to Intima Thickening of Carotid Arteries in Primary Antiphospholipid Syndrome

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    P. R. J. Ames

    2006-01-01

    Full Text Available To explore whether antibodies against β2-glycoprotein I (β2GPI complexed to 7-ketocholesteryl-9-carboxynonanoate (oxLig-1 and to oxidised low-density lipoproteins (oxLDL relate to paraoxonase activity (PONa and/or intima media thickness (IMT of carotid arteries in primary antiphospholipid syndrome (PAPS. As many as 29 thrombotic patients with PAPS, 10 subjects with idiopathic antiphospholipid antibodies (aPL without thrombosis, 17 thrombotic patients with inherited thrombophilia and 23 healthy controls were investigated. The following were measured in all participants: β2GPI−oxLDL complexes, IgG anti-β2GPI−oxLig-1, IgG anti-β2GPI−oxLDL antibodies (ELISA, PONa, (para-nitrophenol method, IMT of common carotid (CC artery, carotid bifurcation (B, internal carotid (IC by high resolution sonography. β2GPI−oxLDL complex was highest in the control group (p < 0.01, whereas, IgG anti-β2GPI−oxLig1 and IgG anti-β2GPI−oxLDL were highest in PAPS (p < 0.0001. In healthy controls, β2GPI−oxLDL complexes positively correlated to IMT of the IC (p = 0.007 and negatively to PONa after correction for age (p < 0.03. PONa inversely correlated with age (p = 0.008. In PAPS, IgG anti-2GPI−oxLig-1 independently predicted PONa (p = 0.02 and IMT of B (p = 0.003, CC, (p = 0.03 and of IC (p = 0.04. In PAPS, PONa inversely correlated to the IMT of B, CC and IC (p = 0.01, 0.02 and 0.003, respectively. IgG anti-2GPI−oxLig-1 may be involved in PAPS related atherogenesis via decreased PON activity.

  14. Prevalence of the Metabolic Syndrome in Latin America and its association with sub-clinical carotid atherosclerosis: the CARMELA cross sectional study

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    Torres Marta

    2009-09-01

    Full Text Available Abstract Background Metabolic syndrome increases cardiovascular risk. Limited information on its prevalence in Latin America is available. The Cardiovascular Risk Factor Multiple Evaluation in Latin America (CARMELA study included assessment of metabolic syndrome in 7 urban Latin American populations. Methods CARMELA was a cross-sectional, population-based, observational study conducted in Barquisimeto, Venezuela; Bogota, Colombia; Buenos Aires, Argentina; Lima, Peru; Mexico City, Mexico; Quito, Ecuador; and Santiago, Chile. The prevalence of metabolic syndrome, defined according to the National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP III, and associated carotid atherosclerosis were investigated in 11,502 participants aged 25 to 64 years. Results Across CARMELA cities, metabolic syndrome was most prevalent in Mexico City (27% and Barquisimeto (26%, followed by Santiago (21%, Bogota (20%, Lima (18%, Buenos Aires (17%, and Quito (14%. In nondiabetic participants, prevalence was slightly lower but followed a comparable ranking. Overall, 59%, 59%, and 73% of women with high triglycerides, hypertension, or glucose abnormalities, respectively, and 64%, 48% and 71% of men with abdominal obesity, hypertension, or glucose abnormalities, respectively, had the full metabolic syndrome. Prevalence of metabolic syndrome increased with age, markedly so in women. Mean common carotid artery intima-media thickness (CCAIMT and prevalence of carotid plaque increased steeply with increasing numbers of metabolic syndrome components; mean CCAIMT was higher and plaque more prevalent in participants with metabolic syndrome than without. Conclusion The prevalence of metabolic syndrome and its components by NCEP ATP III criteria was substantial across cities, ranging from 14% to 27%. CARMELA findings, including evidence of the association of metabolic syndrome and carotid atherosclerosis, should inform appropriate clinical and public health

  15. The relationship between oxidized lipoprotein(a and carotid atherosclerosis in asymptomatic subjects: A comparison with native lipoprotein(a

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    Taniguchi Nobuyuki

    2011-10-01

    Full Text Available Abstract Background Oxidized lipoprotein(a (oxLp(a can be a more potent marker of atherogenesis than native Lp(a, although Lp(a is considered to be a risk factor for atherosclerotic diseases. Limited clinical data are available regarding the significance of oxLp(a in atherosclerotic manifestations. This study aimed to investigate the association between the serum oxLp(a and carotid artery intima-media thickness (CIMT, in comparison to the serum Lp(a levels, among asymptomatic subjects. Methods The atheroscrerosis-related variables including Lp(a and oxLp(a were measured in 136 cardiovascular disease-free subjects (61 males and 75 females, mean age of 64 years. The serum oxLp(a level was quantified using a sandwich ELISA system. The CIMT level was ultrasonographically measured on bilateral carotid arteries. Results The median level of Lp(a was 120 μmol/L, oxLp(a was 0.06 nmol/L, and CIMT was 0.7 mm, respectively. A simple correlation test showed that the CIMT was significantly and positively correlated with age, systolic blood pressure and oxLp(a (r = 0.208, P Conclusions These results suggest that oxLp(a may be more closely associated with accelerated carotid atherosclerosis, in comparison to Lp(a, in this population. This finding can be important for obtaining a better understanding of the different atherogenic roles played by oxLp(a in comparison to Lp(a.

  16. Relationship between Coronary Risk Factors, C-Reactive Protein, Bone Mineral Density and Carotid Circulation Among Frail Elderly

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    Moatassem S. Amer1, Tamer M. Farid1, Ekrami E. Abdel-rahman1,

    2014-06-01

    Full Text Available Background: Frailty may now be regarded as a geriatric syndrome of decreased reserve and resistance to stressors, resulting from cumulative declines across multiple physiologic systems, causing vulnerability to adverse health outcomes including falls, hospitalisation, institutionalisation and mortality. The inflammatory mediators as C-reactive protein have been associated with the development of the geriatric frailty. Several studies have pointed out increased level of homocystiene in frail elderly Increasing frailty was associated with lower bone mineral density, as both bone mass and muscle strength decrease during ageing and this has also been associated with higher risk of osteoporotic fractures in frail elderly. Objective: To compare frail and non-frail elderly regarding Bone mineral density, carotid circulation and serum levels of Homocysteine, coronary risk factors and CRP. Methods: 104 elderly patients, who were assigned to 2 groups. Group A (52 frail participants: diagnosed by Fried’s criteria as applied by Avila-Funes et al., 2008. Group B (52 non-frail participants.All participants were subjected to the following: through history, physical examination, ADL, IADL assessment, MMSE ,GDS, laboratory investigations including; CRP, homocystiene and total lipid profile, measurement of bone mineral density by DEXA and carotid intima-media thickness by carotid duplex. Results: There was no statistically significant difference in age, sex, among both groups.Frail participants had higher ADL and IADL dependence, higher incidence of depression, cognitive impairment and osteoprosis.They also had higher levels of homocystiene , CRP , CIMT and lower levels of HDL cholesterol. Conclusion: Osteoporosis is more prevalent among frail elderly also frailty is associated with more ADL & IADL dependence, higher GDS scores & lower MMSE score in addition to higher mean level of homocystiene, CRP & triglycerides in addition to low serum HDL & higher CIMT

  17. 单纯性肥胖儿童颈动脉参数%Correlation research on carotid artery parameter among the children with simple obesity

    Institute of Scientific and Technical Information of China (English)

    邬盛鑫; 马受良; 马君义; 郭春家; 杨巧玲; 方新林; 凌菊; 张平

    2011-01-01

    velocity and resistance index did not differ significantly ( P >0.05 ).The intima-media thickness increased with age, and there was no difference in carotid artery diameter ( P > 0.05).Conclusion BMI, blood pressure, high-density lipoprotein are correlated with carotid artery diameter, blood flow velocity and intima-media thickness.

  18. Lumen irregularity dominates the relationship between mechanical stress condition, fibrous-cap thickness, and lumen curvature in carotid atherosclerotic plaque.

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    Teng, Zhongzhao; Sadat, Umar; Ji, Guangyu; Zhu, Chengcheng; Young, Victoria E; Graves, Martin J; Gillard, Jonathan H

    2011-03-01

    High mechanical stress condition over the fibrous cap (FC) has been widely accepted as a contributor to plaque rupture. The relationships between the stress, lumen curvature, and FC thickness have not been explored in detail. In this study, we investigate lumen irregularity-dependent relationships between mechanical stress conditions, local FC thickness (LT(FC)), and lumen curvature (LC(lumen)). Magnetic resonance imaging slices of carotid plaque from 100 patients with delineated atherosclerotic components were used. Two-dimensional structure-only finite element simulations were performed for the mechanical analysis, and maximum principal stress (stress-P₁) at all integral nodes along the lumen was obtained. LT(FC) and LC(lumen) were computed using the segmented contour. The lumen irregularity (L-δir) was defined as the difference between the largest and the smallest lumen curvature. The results indicated that the relationship between stress-P₁, LT(FC), and LC(lumen) is largely dependent on L-δir. When L-δir ≥ .31 (irregular lumen), stress-P₁ strongly correlated with lumen curvature and had a weak/no correlation with local FC thickness, and in 73.4% of magnetic resonance (MR) slices, the critical stress (maximum of stress-P₁ over the diseased region) was found at the site where the lumen curvature was large. When L-δir ≤ 0.28 (relatively round lumen), stress-P₁ showed a strong correlation with local FC thickness but weak/no correlation with lumen curvature, and in 71.7% of MR slices, the critical stress was located at the site of minimum FC thickness. Using lumen irregularity as a method of identifying vulnerable plaque sites by referring to the lumen shape is a novel and simple method, which can be used for mechanics-based plaque vulnerability assessment.

  19. Evaluation of correlation between carotid atheromatous plaque and coronary heart disease and the risk factors%颈动脉粥样硬化与冠心病的相关性及危险因素分析

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    赵宏坤; 蒋逸风; 沈彬

    2012-01-01

    目的 探讨颈动脉粥样斑块与冠状动脉粥样硬化性心脏病(CHD)的关系.方法 对54例行冠脉造影的患者同时行颈动脉超声检测,分析其颈动脉内膜中层厚度(IMT)及斑块指数与CHD的相关性,颈动脉粥样斑块与CHD患病率及冠脉Gensini积分的相关性,并比较他们的危险因素.结果 CHD组颈动脉IMT及斑块指数均较非CHD组显著增高(P<0.01),颈动脉粥样硬化组CHD患病率及冠脉Gensini积分也显著增加(P<0.01),而CHD组与颈动脉粥样硬化组危险因素基本相似.结论 颈动脉粥样硬化与CHD有显著相关性,两者有相似的危险因素.%Objective To investigate the relationship between carotid atheromatous plaque and coronary heart disease ( CHD). Methods We survey 54 patients' carotid ultrasonograph and coronary arteriongraphy, analyze the correlation of carotid intima-media thickness (IMT) and exponent of carotid atheromatous plaque and CHD, analyze the correlation of carotid atheromatous plaque and sickness rate of CHD and coronary artery Censini integrate, compare their risk factors. Results The carotid IMT and exponent of carotid atheromatous in the group of CHD are heightened significantly (P < 0.01). The sickness rate of CHD and coronary artery Gensini integrate in the group of carotid scleratheroma are heightened significantly too ( P <0.01). The risk factors of the group CHD and carotid scleratheroma are similar. Conclusion Carotid atheromatous plaque is correlated with CHD significantly. Their risk factors are similar.

  20. Ultrasonographic Carotid Changes in Patients with Hodgkin’s Disease after Radiotherapy: A Historical Cohort Study

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    R. Basiratnia

    2006-08-01

    Full Text Available Background/objective: Radiotherapy is the most effective treatment for Hodgkin’s disease in early stages. However, it can cause various side effects in radiated tissues, e.g., vascular structures. One of the effects of radiation on vessels is atherosclerosis. The primary objective of this study was to compare the atherosclerotic changes of carotid arteries, expressed as the mean intima-media thickness (IMT, in patients with Hodgkin’s disease after radiotherapy with a matched non-exposed group. We also tried to see whether there is a correlation between the time elapsed since the last radiotherapy session and the prevalence and severity of atherosclerosis. Moreover, we tested if radiation can augment the effect of age, as an in-dependent risk factor for atherosclerosis. Patients and Methods: In two groups of 50 patients, sonography of the common and internal carotid arteries in bifurcation of the artery was performed and the IMT was measured for both groups of patients exposed and unexposed to radiation. Results: The mean±SD IMT was significantly higher in exposed (0.67±0.22 mm than unex-posed (0.51±0.07 mm group. There were early atherosclerotic changes, diagnosed based on the vessel morphology, in 18% of exposed and none of the unexposed group. Correlation of IMT with age is stronger in the exposed than in the unexposed group. (r=0.61 in the exposed vs. 0.22 in the unexposed. Conclusion: Atherosclerotic changes are more prevalent in post-radiotherapy patients that may indicate the necessity of regular and careful follow-up of these patients for the early diagnosis of vascular pathologies and considering suitable screening and therapeutic interventions for prevention of cerebral complications. Ultrasound could be a suitable technique for screening and early detection of atherosclerosis considering it’s relatively low cost and non-invasiveness.

  1. Effect of fosinopril on progression of the asymptomatic carotid atherosclerosis and left ventricular hypertrophy in hypertensive patients

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    Tasić Ivan

    2006-01-01

    Full Text Available INTRODUCTION The cardiovascular changes (vascular structure changes, hypertrophy of the left ventricle contribute to both the increased cardiovascular morbidity and the mortality of essential hypertension. Therefore, modern treatment strategies should not only target blood pressure (BP reduction but also normalize cardiovascular structure and function. OBJECTIVE Aim of the study was to determine the effect of the ACE inhibitor Fosinopril on the Intima-media thickness of the common carotid artery and on the left ventricle mass after 9-month treatment of hypertensive patients. METHOD The study included 40 patients with the arterial hypertension and the left ventricle hypertrophy verified by echocardiography. The patients were randomized on A ACE-inhibitor - Fosinopril and 6 without ACE inhibitor - atenolol, and they were followed up 9 months. The groups were not different by age, sex, and metabolic status. Color Duplex ultrasonography of the carotid arteries was performed by Acuson Sequia C236 with high-frequency linear probe of 8 MHz. The Intima-media thickness of the common carotids on the left and the right was measured in diastole at 1.5. cm from the highest point of bifurcation under maximal magnification. Using the same device, the left ventricle mass and other parameters of the left ventricle were determined in M-mode and by means of 2D image. RESULTS After 9 months, BP In both groups Was reduced In similar range (group A: systolic BP from 158 to 137 mmHg, and diastolic BP from 94 to 85 mmHg, and group B; systolic BP from 164 to 137 mmHg, and diastolic BP from 87 to 84 mmHg. The thickness of the intimomedial complex in patients using Fosinopril was decreased by 0.0278 ± 0.03 mm, while in the group of patients that did not use the ACE-inhibitor, it was increased by 0.078 ±0.13 mm. The left ventricle mass in patients using Fosinopril was decreased by 5 grams (312 ± 72 g vs. 307 ± 77 g, while in group B patients, it was increased by 15

  2. To assess the intimal thickness, flow velocities, and luminal diameter of carotid arteries using high-resolution B-mode ultrasound doppler imaging

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    Vemuru, Madhuri; Jabbar, Afzal; Chandra, Suman

    2004-04-01

    Carotid imaging is a Gold Standard test that provides useful information about the structure and functions of carotid arteries. Spectral imaging helps to evaluate the vessel and hemodynamic changes. High resolution B-mode imaging has emerged as one of the methods of choice for determining the anatomic extent of atherosclerosis and its progression and for assessing cardiovascular risks. The measurements made with Doppler correlate well with pathologic measurements. Recent prospective studies have clearly demonstrated that these measurements of carotid intimal thickness are potent predictors of Myocardial Infarction and Stroke. This method appears very attractive as it is non-invasive, extremely safe, well accepted by the patient and relatively inexpensive. It can be performed serially and has the advantage of visualizing the arterial wall in contrast to angiographic techniques which provide only an outline of the arterial lumen. Recently, there has been an interest in the clinical use of this technique in making difficult clinical decisions like deciding on preventive therapies. 30 subjects aged 21-60 years and 30 subjects aged 61-85 years of both sexes are selected after doing a baseline study to exclude Hypertension, Diabetes, Obesity and Hyperlipidemia. The carotid arteries were examined for intimal thickening, blood flow velocities and luminal diameter. With aging there is a narrowing of the carotid vessels and significant increase in intimal thickening with a consequent increase in the blood flow velocities. Inter-observer, intra-observer and instrument variations are seen and there is no significant change in the values when the distal flow pattern is considered for measurements. Aging produces major cardiovascular changes including decreased elasticity and compliance of great arteries leading to structural and functional alterations in heart and vessels. With aging there is increased intimal thickness and increased pulse wave velocity which is clearly

  3. Cardiovascular risk factor profiles for peripheral artery disease and carotid atherosclerosis among Chinese older people: a population-based study.

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    Yajun Liang

    Full Text Available OBJECTIVES: Epidemiological data concerning atherosclerotic disease among older people in rural China are sparse. We seek to determine prevalence and cardiovascular risk factor profiles for peripheral artery disease (PAD and carotid atherosclerosis (CAS among Chinese older people living in a rural community. METHODS: This cross-sectional study included 1499 participants (age ≥60 years, 59.0% women of the Confucius Hometown Aging Project in Shandong, China. From June 2010-July 2011, data were collected through interviews, clinical examinations, and laboratory tests. PAD was defined as an ankle-brachial index ≤0.9. Carotid intima-media thickness (cIMT and carotid artery stenosis were assessed by ultrasonography. We defined moderate stenosis as carotid stenosis ≥50%, and severe stenosis as carotid stenosis ≥70%. cIMT≥1.81 mm was considered as an increased cIMT (a measure of CAS. Data were analyzed with multiple logistic models. RESULTS: The prevalence was 5.7% for PAD, 8.9% for moderate stenosis, 1.8% for severe stenosis, and 11.2% for increased cIMT. After controlling for multiple potential confounders, diabetes, an increased low-density lipoprotein cholesterol (LDL-C/high-density lipoprotein cholesterol (HDL-C ratio, and hypertension were significantly or marginally associated with PAD. Ever smoking, hypertension, and an increased LDL-C/HDL-C ratio were significantly associated with an increased likelihood of increased cIMT. An increasing number of those cardiovascular risk factors were significantly associated with an increasing odds ratio of PAD and increased cIMT, respectively (p for linear trend <0.001. CONCLUSION: Among Chinese older people living in a rural community, PAD, carotid artery stenosis, and an increased cIMT are relatively uncommon. Cardiovascular risk factor profiles for PAD and CAS are slightly different, with hypertension and an increased LDL-C/HDL-C ratio being associated with an increased likelihood of both PAD and

  4. Significance of ultrasound evaluation of carotid atherosclerotic plaque for diagnosing ischemic cerebrovascular disease

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    BACKGROUND: Carotid artery is the main source for craniocerebral blood supply. Its intimal plaque formation and arterial stenosis degree both are the risk factors for ischemic cerebrovascular disease.Therefore, the close relationship of carotid atherosclerotic plaque and ischemic cerebrovascular disease, and ultrasound evaluation of carotid atherosclerotic plaque have become the hot spot in studying ischemic cerebrovascular disease.OBJECTIVE: This study was to detect the degree of carotid atherosclerosis of ischemic cerebrovascular disease patients by ultrasonography, and to analyze the situation of carotid atherosclerosis and its relationship with clinic.DESIGN: Clinical randomized concurrent control experiment.SETTING: Lintong Convalescent Hospital of Lanzhou Military Area Command of Chinese PLA.PARTICIPANTS: Totally 60 outpatients and inpatients with ischemic cerebrovascular disease, 42 males and 18 females, admitted to Lintong Convalescent Hospital of Lanzhou Military Area Command of Chinese PLA between January 2006 and December 2006 were involved in the patient group. They met the diagnosis criteria of ischemic cerebrovascular disease constituted by the 4th Cerebrovascular Disease Conference in 1996, and were confirmed to suffer from ischemic cerebrovascular disease by skull CT and MRI. Another 20 subjects who received healthy examination concurrently in the same hospital, 12 males and 8 females, were involved in the control group. Informed consents of detected items were obtained from involved subjects.METHODS: The plaque thickness of mid portion, distal end and crotch of common carotid artery (CCA),internal carotid artery (ICA), external carotid artery (ECA) and vertebral artery (VA) of involved subjects,who received health examination was separately detected with color Doppler ultrasonograph (HDI-5000).Then, total integral of plaque was calculated. The intima-media thickness (IMT) was measured with two-dimensional ultrasonography. The inner diameter

  5. Genetic variations in the osteopontin promoters T-443C and G-156GG increase carotid intima–media thickness

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    Yueniwati, Yuyun; Yurina, Valentina; Sobah, Nurus; Rahayu, Endang

    2016-01-01

    Carotid intima–media thickness (CIMT) is a clear predictor of atherosclerosis. The increase of CIMT is affected by mutations in the osteopontin (OPN) promoters. The purpose of this study was to examine genetic variations in OPN promoters T-443C and G-156GG, identified in Javanese children with ischemic stroke parents, and to investigate their relationship with the increase of CIMT. A case–control analytic study was performed on 20 case and 12 control samples. Case samples were Javanese children aged between 10 to 21 years with ischemic stroke parents. Control samples were children with healthy parents. Mutations of T-443C and G-156GG were determined by employing polymerase chain reaction. Results of sequencing were analyzed using CLC Main Workbench 6.0. CIMT was defined using ultrasound. Genetic variations of T-443C were identified in six samples. Likewise, genetic variations of G-156GG were identified in six samples. Genetic variations in the OPN promoters T-443C and G-156GG were not potential risk factors in an increase of CIMT (P=0.654 and P=0.654). This study proves that genetic variations could be identified at the points of T-443C and G-156GG in children with ischemic stroke parents. Although statistically insignificant, the tendency to increase CIMT occurs in children with genetic variations. Children with ischemic stroke parents have thicker CIMT than children of healthy parents. PMID:27274305

  6. Assessment by cardiovascular magnetic resonance, electron beam computed tomography, and carotid ultrasonography of the distribution of subclinical atherosclerosis across Framingham risk strata.

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    Kathiresan, Sekar; Larson, Martin G; Keyes, Michelle J; Polak, Joseph F; Wolf, Philip A; D'Agostino, Ralph B; Jaffer, Farouc A; Clouse, Melvin E; Levy, Daniel; Manning, Warren J; O'Donnell, Christopher J

    2007-02-01

    Screening for subclinical atherosclerosis has been advocated for individuals at intermediate global risk for coronary heart disease (CHD). However, the distribution of subclinical atherosclerosis test values across CHD risk strata is unknown. We studied a stratified random sample of 292 participants (mean age 59.5 years, 50% women) from the offspring cohort of the Framingham Heart Study who were free of clinically apparent cardiovascular disease. We assessed abdominal and thoracic aortic plaque burden by cardiovascular magnetic resonance (CMR), coronary artery calcification (CAC) and thoracic aortic calcification (TAC) by electron beam computed tomography, and common carotid intima-media thickness (C-IMT) by ultrasonography. We categorized the upper 20% of each measurement as a high level of atherosclerosis and evaluated these variables across clinically relevant Framingham CHD risk score strata (low, intermediate, and high risk). In age-adjusted analyses in men and women, correlations across CMR aortic plaque, CAC, TAC, and C-IMT were low (maximum r = 0.30 for CAC:TAC in women, p or=2 measurements. However, different participants were identified as having high atherosclerosis by each modality. For example, in a comparison of the overlap across CMR aortic plaque, CAC, and C-IMT, only 4% of men and 16% of women were classified as having high atherosclerosis on all 3 measurements. In conclusion, in a community-based sample, correlations among subclinical atherosclerosis test results are low, and a substantial proportion has high levels of subclinical atherosclerosis detected on >or=2 imaging tests.

  7. Clinical Study on Effect of Garlicin in Stabilizing the Carotid Artery Atherosclerotic Plaque in Patients with Primary Hypertension and Coronary Artery Disease

    Institute of Scientific and Technical Information of China (English)

    CHENG Wen-li; KE Yuan-nan; SHI Zai-xiang; WANG Ying; CHEN Li; JU Gao; FAN Shu-ying

    2006-01-01

    Objective: To investigate the effect of garlicin in treating carotid artery atherosclerotic plaque (CAAP) in patients with primary hypertension and coronary heart disease (PHT-CHD). Methods: Seventynine patients with PHT-CHD were randomly divided into the treated group (39 patients) treated with garlicin and fosinopril and the control group (40 patients) treated with fosinopril alone. The change of CAAP was evaluated by high frequency ultrasonic examination every six months, and the changes of intercellular adhesion molecule-1 (ICAM-1) and high sensitive C-reactive protein (hs-CRP) were measured by ELISA, with the observation proceeding for 52 weeks totally. Results: By the end of the experiment, the number of complex plaques, Crouse integrals, intima-media thickness, serum ICAM-1 and hs-CRP were significantly lower in the treated group than those in the control group with significant difference (P<0.05). Conclusion; Garlicin could stabilize CAAP to a certain extent and shows a definite vascular protective effect in patients with PHT-CHD.

  8. Aterosclerose carotídea avaliada pelo eco-Doppler: associação com fatores de risco e doenças arteriais sistêmicas Carotid atherosclerosis evaluated by Doppler ultrasound: association with risk factors and systemic arterial disease

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    Procopio de Freitas

    2008-12-01

    Full Text Available CONTEXTO: A aterosclerose carotídea apresenta alta prevalência populacional e associação com vários fatores de risco, contribuindo para altos índices de morbidade e mortalidade. OBJETIVO: Pesquisar a freqüência e associação da aterosclerose de carótidas extracranianas com: idade, sexo, hipertensão arterial, doença coronária isquêmica, tabagismo, diabetes melito tipo 2, obesidade, doença arterial oclusiva periférica, acidente vascular cerebral, oclusão carotídea, espessamento médio-intimal e acotovelamento. MÉTODOS: Foram avaliadas as artérias carótidas extracranianas, bilateralmente, de 367 indivíduos (132 homens e 235 mulheres com idade média de 63 anos (35 a 91 anos por anamnese, semiologia clínica e ultra-sonografia. A possibilidade da associação entre aterosclerose carotídea representada por placas ateromatosas inespecíficas com estenose > 10%, ateromatose discreta e difusa com estenose 64 anos, acidente vascular cerebral, obesidade e tabagismo. Considerando-se somente estenoses carotídeas > 60%, houve associação com idade > 64 anos, oclusão carotídea e doença coronária. O espessamento médio-intimal apresentou associação com idade > 64 anos, acotovelamento, oclusão carotídea, hipertensão arterial e índice tornozelo-braquial BACKGROUND: A high prevalence of carotid atherosclerosis in the population and its frequent association with several risk factors contribute to high morbidity and mortality rates. OBJECTIVE: To investigate frequency and association of extracranial carotid atherosclerosis with age, sex, hypertension, ischemic coronary disease, smoking, type 2 diabetes mellitus, obesity, peripheral arterial disease, stroke, carotid occlusion, intima-media thickness and kinking. METHODS: The carotid and bilateral extracranial arteries of 367 individuals (132 males and 235 females, with a mean of 63 years of age (35-91 years were evaluated via anamnesis, clinical semiology and ultrasonography. The

  9. Relationship between microalbuminuria level and carotid atherosclerosis in patients with hypertension and normal blood lipid%血脂正常原发性高血压患者微量白蛋白尿与颈动脉粥样硬化的关系

    Institute of Scientific and Technical Information of China (English)

    张国天; 陈永生

    2012-01-01

    Objective To investigate the relationship between microalbuminuria level and carotid atherosclerosis in patients with hypertension and normal blood lipid. Methods A total of 169 patients with primary hypertension and normal blood lipid were divided into carotid atherosclerosis plaque group (92 cases) and non-carotid atherosclerosis plaque group (77 cases) after the measurement of intima-media thickness of bilateral carotid arteries by ultrasonography. The degree of carotid atherosclerosis was divided into 0 to 4 levels. The level of microalbuminuria was detected. Results The level of microalbuminuria was significantly higher in carotid atherosclerosis plaque group than that in non-carotid atherosclerosis plaque group(P<0. 01). There was a significant difference in microalbuminuria level between each two carotid atherosclerosis degrees from 0 to 4(P<0. 05). Conclusion The formation of carotid atherosclerosis plaque is positively correlated with the increased microalbuminuria level in patients with hypertension and normal blood lipid.%目的 探讨血脂正常的原发性高血压患者微量白蛋白尿与颈动脉粥样硬化(carotid atherosclerosis,CAS)的关系.方法 血脂正常的原发性高血压患者169例,行颈动脉彩色多普勒超声检查,测量左、右颈动脉内膜-中层厚度,根据测量结果分为斑块组92例与无斑块组77例,将CAS分为0-4级并检测尿微量白蛋白水平.结果 斑块组尿微量白蛋白水平高于无斑块组(P<0.01);CAS 0,1,2,3,4级尿微量白蛋白水平比较差异均有统计学意义(P<0.05).结论 血脂正常的原发性高血压患者微量白蛋白尿与CAS发生及程度呈正相关.

  10. Influence of Obesity and Metabolic Disease on Carotid Atherosclerosis in Patients with Coronary Artery Disease (CordioPrev Study.

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    Eva Talavera-Garcia

    Full Text Available Recent data suggest that the presence of associated metabolic abnormalities may be important modifiers of the association of obesity with a poorer prognosis in coronary heart disease. We determined the influence of isolated overweight and obesity on carotid intima media thickness (IMT-CC, and also assessed whether this influence was determined by the presence of metabolic abnormalities.1002 participants from the CordioPrev study were studied at entry. We determined their metabolic phenotypes and performed carotid ultrasound assessment. We evaluated the influence of obesity, overweight and metabolic phenotypes on the IMT-CC.Metabolically sick participants (defined by the presence of two or more metabolic abnormalities showed a greater IMT-CC than metabolically healthy individuals (p = 4 * 10(-6. Overweight and normal weight patients who were metabolically healthy showed a lower IMT-CC than the metabolically abnormal groups (all p<0.05. When we evaluated only body weight (without considering metabolic phenotypes, overweight or obese patients did not differ significantly from normal-weight patients in their IMT-CC (p = 0.077. However, obesity was a determinant of IMT-CC when compared to the composite group of normal weight and overweight patients (all not obese.In coronary patients, a metabolically abnormal phenotype is associated with a greater IMT-CC, and may be linked to a higher risk of suffering new cardiovascular events. The protection conferred in the IMT-CC by the absence of metabolic abnormality may be blunted by the presence of obesity.ClinicalTrials.gov NCT00924937.

  11. Influence of Obesity and Metabolic Disease on Carotid Atherosclerosis in Patients with Coronary Artery Disease (CordioPrev Study)

    Science.gov (United States)

    Garcia-Rios, Antonio; Delgado-Casado, Nieves; Gomez-Luna, Purificacion; Gomez-Garduño, Angela; Gomez-Delgado, Francisco; Alcala-Diaz, Juan F.; Yubero-Serrano, Elena; Marin, Carmen; Perez-Caballero, Ana I.; Fuentes-Jimenez, Francisco J.; Camargo, Antonio; Rodriguez-Cantalejo, Fernando; Tinahones, Francisco J.; Ordovas, Jose M.; Perez- Jimenez, Francisco; Perez-Martinez, Pablo; Lopez-Miranda, Jose

    2016-01-01

    Background Recent data suggest that the presence of associated metabolic abnormalities may be important modifiers of the association of obesity with a poorer prognosis in coronary heart disease. We determined the influence of isolated overweight and obesity on carotid intima media thickness (IMT-CC), and also assessed whether this influence was determined by the presence of metabolic abnormalities. Methods 1002 participants from the CordioPrev study were studied at entry. We determined their metabolic phenotypes and performed carotid ultrasound assessment. We evaluated the influence of obesity, overweight and metabolic phenotypes on the IMT-CC. Results Metabolically sick participants (defined by the presence of two or more metabolic abnormalities) showed a greater IMT-CC than metabolically healthy individuals (p = 4 * 10−6). Overweight and normal weight patients who were metabolically healthy showed a lower IMT-CC than the metabolically abnormal groups (all p<0.05). When we evaluated only body weight (without considering metabolic phenotypes), overweight or obese patients did not differ significantly from normal-weight patients in their IMT-CC (p = 0.077). However, obesity was a determinant of IMT-CC when compared to the composite group of normal weight and overweight patients (all not obese). Conclusions In coronary patients, a metabolically abnormal phenotype is associated with a greater IMT-CC, and may be linked to a higher risk of suffering new cardiovascular events. The protection conferred in the IMT-CC by the absence of metabolic abnormality may be blunted by the presence of obesity. Trial Registration ClinicalTrials.gov NCT00924937 PMID:27064675

  12. CARDIAC TRANSPLANT REJECTION AND NON-INVASIVE COMON CAROTID ARTERY WALL FUNCTIONAL INDICES

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    A. O. Shevchenko

    2015-01-01

    Full Text Available Allograft rejection would entail an increase in certain blood biomarkers and active substances derived from activated inflammatory cells which could influence entire vascular endothelial function and deteriorate arterial wall stiffness. We propose that carotid wall functional indices measured with non-invasive ultrasound could we valuable markers of the subclinical cardiac allograft rejection. Aim. Our goal was to analyze the clinical utility of functional common carotid wall (CCW variables measured with high-resolution Doppler ultrasound as a non-invasive screening tool for allograft rejection in cardiac transplant patients (pts. Methods. One hundred and seventy one pts included 93 cardiac recipients, 30 dilated cardiomyopathy waiting list pts, and 48 stable coronary artery disease (SCAD pts without decompensated heart failure were included. Along with resistive index (Ri, pulsative index (Pi, and CCW intima-media thickness (IMT, CCW rigidity index (iRIG was estimated using empirical equation. Non-invasive evaluation was performed in cardiac transplant recipients prior the endomyo- cardial biopsy. Results. Neither of Ri, Pi, or CCW IMT were different in studied subgroups. iRIG was signifi- cantly lower in SCAD pts when compared to the dilated cardiomyopathy subgroup. The later had similar values with cardiac transplant recipients without rejection. Antibody-mediated and cellular rejection were found in 22 (23.7% and 17 (18.3% cardiac recipients, respectively. Mean iRIG in pts without rejection was significantly lower in comparison to antibody-mediated rejection and cell-mediated (5514.7 ± 2404.0 vs 11856.1 ± 6643.5 and 16071.9 ± 10029.1 cm/sec2, respectively, p = 0.001. Area under ROC for iRIG was 0.90 ± 0.03 units2. Analysis showed that iRIG values above estimated treshold 7172 cm/sec2 suggested relative risk of any type of rejection 17.7 (95%CI = 6.3–49.9 sensitivity 80.5%, specificity – 81.1%, negative predictive value – 84

  13. Evaluation of ischemic cerebrovascular lesions by carotid ultrasonography in patients with coronary atherosclerosis heart disease and its value for predicting cerebrovascular stenosis%颈动脉超声对冠状动脉粥样硬化性心脏病合并缺血性脑血管疾病患者颅内动脉狭窄性病变的预测价值

    Institute of Scientific and Technical Information of China (English)

    张蕾; 王维平; 李亚琼; 高承梅; 刘晶; 李晓辉

    2013-01-01

    目的 探讨颈动脉超声评价冠状动脉粥样硬化性心脏病(CAD)合并缺血性脑血管(ICVD)患者颅内动脉狭窄性病变的预测价值.方法 对209例经血管造影证实冠状动脉狭窄(≥70%)同时合并缺血性脑血管疾病的患者采用彩色多谱勒超声(CDFI)和经颅多普勒超声(TCD)分别检查颈动脉和颅内动脉,并将患者分为脑动脉狭窄组与非狭窄组,分别比较两组患者颈动脉超声检查结果 中差异有统计学意义的指标.结果 颈动脉球部内-中膜(IMT)增厚、不均质回声斑块、多发斑块、颈动脉狭窄与CAD患者合并颅内动脉狭窄性病变之间具有良好的相关关系,(P<0.05).结论 颈动脉内膜增厚、不均质回声斑块,多发斑块、颈动脉狭窄与CAD合并ICVD患者颅内动脉狭窄性病变之间有明显的相关性.采用CDFI对冠状动脉狭窄的患者进行颈动脉检测,在心脑血管事件高危人群中进行筛选,对临床诊断与治疗具有重要的指导意义.%Objective To evaluate the clinic value for predicting ischemic cerebrovascular atherosclerosis disease (ICVD) in patients with coronary atherosclerosis heart disease (CAD) via carotid ultrosonography.Methods CDFI and TCD were used to examine the carotid artery and intracranial artery respectively for the 209 patients whose diagnosis of coronary artery stenosis (≥70% ) and intracranial arterial stenosis via selective coronary angiography. The patients were divided into intracranial artery stenosis and non -intracranial artery stenosis groups. The carotid ultrasound findings variables were evaluated in the stenosis and non -stenosis groups respectively. Results There was a significant correlation between cerebrovascular stenosis disease in patients with CAD and the carotid ultrasound findings variables, including carotid maximum intima -media thickness (IMT) , heterogeneous plaque, multi -plaques and carotid stenosis ( P < 0. 05 ) . Conclusion Cerebrovascular stenosis

  14. Correlation of carotid intimal-medial thickness with estimated glomerular filtration rate and cardiovascular risk factors in chronic kidney disease

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    Nitesh Chhajed

    2014-01-01

    Full Text Available Carotid intimal-medial thickness (CIMT predicts future vascular events in the general population. However, the correlation of traditional cardiovascular risk factors and stages of chronic kidney disease (CKD with CIMT is not studied extensively. To determine the correlation of CIMT with traditional cardiovascular risk factors like age, body mass index (BMI, dyslipidemia and various stages of CKD patients, CIMT was measured by means of high-resolution B-mode ultrasonography in 70 CKD patients and compared with the 30 healthy controls. The mean CIMT in patients was 0.86 ± 0.21 mm vs 0.63 ± 0.17 mm in healthy age- and sex-matched controls (P <0.001. There was a significant univariate positive correlation between CIMT and age (r = 0.605, P <0.001, BMI (r = 0.377, P = 0.001, total cholesterol (r = 0.236, P ≤0.018 and serum triglyceride (r = 0.387, P ≤0.001. No statistically significant correlation was found between mean CIMT and estimated glomerular filtration rate (eGFR (r = -0.02, P = 0.30, very low-density lipoprotein and high-density lipoprotein-cholesterol. Atherosclerotic changes very well correlate with the traditional cardiovascular risk factors like age, BMI, serum total cholesterol and serum triglyceride level in CKD patients. Even though CIMT was marginally more in the late stages of CKD patients, no statistically significant correlation was found with CIMT and eGFR.

  15. The contribution of vascular smooth muscle, elastin and collagen on the passive mechanics of porcine carotid arteries.

    Science.gov (United States)

    Kochová, P; Kuncová, J; Svíglerová, J; Cimrman, R; Miklíková, M; Liška, V; Tonar, Z

    2012-08-01

    The main components responsible for the mechanical behavior of the arterial wall are collagen, elastin, and smooth muscle cells (SMCs) in the medial layer. We determined the structural and mechanical changes in porcine carotid arteries after administration of Triton® X-100, elastase, and collagenase using the inflation-deflation test. The arteries were intraluminarly pressurized from 0 to 200 mmHg, and the outer diameter of the artery was measured. The pressure-strain elastic modulus was determined based on the pressure/diameter ratio. The intima-media thickness, wall thickness, thickness of the tunica adventitia layer, and the area fractions of SMCs, elastin, and collagen within the arterial wall (A(A)(SMC/elastin/collagen, wall)) were measured using stereological methods. The relative changes in the relevant components of the treated samples were as follows: the decrease in A(A)(SMC, wall) after administration of Triton® X-100 was 11% ± 7%, the decrease in A(A)(elastin, wall) after administration of elastase was 40% ± 22%, and the decrease in A(A)(collagen, wall) after the application of collagenase was 51% ± 22%. The Triton® X-100 treatment led to a decrease in the SMC content that was associated with enlargement of the arterial wall (outer diameter) for pressures up to 120 mmHg, and with mechanical stiffening of the arterial wall at higher pressures. Elastase led to a decrease in the elastin content that was associated with enlargement of the arterial wall, but not with stiffening or softening. Collagenase led to a decrease in collagen content that was associated with a change in the stiffness of the arterial wall, although the exact contribution of mechanical loading and the duration of treatment (enlargement) could not be quantified.

  16. Glycemic and blood pressure control in older patients with hypertension and diabetes: association with carotid atherosclerosis

    Institute of Scientific and Technical Information of China (English)

    Hong-Wei Du; Jia-Yue Li; Yao He

    2011-01-01

    Backgroud Numerous studies have confirmed the effectiveness of slowing the progression of atherosclerosis by blood pressure (Bp)control in patients with hypertension and several studies also showed the efficacy of intensive glycemic control in decreasing progression of carotid intima-media thickness (CIMT) in patients with type 1 and type 2 diabetes.However, few studies have compared the relative importance of glycemic vs.Bp control in patients with diabetes and hypertension.We aimed to investigate the association between Bp and glycemic control and subclinical carotid atherosclerosis in older patients with hypertension and type 2 diabetes.Methods In a cross-sectional study, B-mode high-resolution ultrasonography of the carotid artery was performed in 670 subjects (508 males and 162 females) aged 60 years or over who had self-reported hypertension and diabetes but no history of coronary heart disease or stroke.Subjects were categorized by their systolic blood pressure: tight control, < 130 mmHg; usual control, 130-139 mmHg; or uncontrolled, > 140 mmHg,and by their hemoglobin Alc (HbAlc) level: tight control, < 6.5%; usual control, 6.5%-7.5%; or uncontrolled, ≥ 7.5%, respectively.Results The mean CIMT was 8.20 ± 0.11 mm, and carotid plaque was found in 52.5% (352/670) subjects.Overall, 62.1% of the subjects had subclinical carotid atherosclerosis, defined as having either carotid plaque or elevated CIMT (≥1.1 mm).The mean CIMT was significantly different between Bp control categories (7.60 ± 0.09 mm, 7.90 ± 0.08 mm, and 8.60 ± 0.12 mm, respectively, P = 0.03) but not between glycemic control categories (8.20 ± 0.10 mm, 8.1 ± 0.08 mm, and 8.40 ± 0.14 mm, respectively, P = 0.13) using ANCOVA analysis.Multivariable logistic regression adjusting for potential confounding factors showed that usual or uncontrolled Bp control were associated with having carotid plaque (OR = 1.08 and OR = 1.42, respectively), or elevated CIMT [Odd ratio (OR) = 1

  17. Feature selection applied to ultrasound carotid images segmentation.

    Science.gov (United States)

    Rosati, Samanta; Molinari, Filippo; Balestra, Gabriella

    2011-01-01

    The automated tracing of the carotid layers on ultrasound images is complicated by noise, different morphology and pathology of the carotid artery. In this study we benchmarked four methods for feature selection on a set of variables extracted from ultrasound carotid images. The main goal was to select those parameters containing the highest amount of information useful to classify the pixels in the carotid regions they belong to. Six different classes of pixels were identified: lumen, lumen-intima interface, intima-media complex, media-adventitia interface, adventitia and adventitia far boundary. The performances of QuickReduct Algorithm (QRA), Entropy-Based Algorithm (EBR), Improved QuickReduct Algorithm (IQRA) and Genetic Algorithm (GA) were compared using Artificial Neural Networks (ANNs). All methods returned subsets with a high dependency degree, even if the average classification accuracy was about 50%. Among all classes, the best results were obtained for the lumen. Overall, the four methods for feature selection assessed in this study return comparable results. Despite the need for accuracy improvement, this study could be useful to build a pre-classifier stage for the optimization of segmentation performance in ultrasound automated carotid segmentation.

  18. Interaction between arsenic exposure from drinking water and genetic susceptibility in carotid intima–media thickness in Bangladesh

    Energy Technology Data Exchange (ETDEWEB)

    Wu, Fen [Department of Population Health, New York University School of Medicine, New York, NY (United States); Department of Environmental Medicine, New York University School of Medicine, New York, NY (United States); Jasmine, Farzana; Kibriya, Muhammad G. [Department of Health Studies, The University of Chicago, Chicago, IL (United States); The University of Chicago Comprehensive Cancer Center, Chicago, IL (United States); Liu, Mengling; Cheng, Xin [Department of Population Health, New York University School of Medicine, New York, NY (United States); Department of Environmental Medicine, New York University School of Medicine, New York, NY (United States); Parvez, Faruque [Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York City, NY (United States); Paul-Brutus, Rachelle [Department of Health Studies, The University of Chicago, Chicago, IL (United States); The University of Chicago Comprehensive Cancer Center, Chicago, IL (United States); Islam, Tariqul; Paul, Rina Rani; Sarwar, Golam; Ahmed, Alauddin [U-Chicago Research Bangladesh, Ltd., Dhaka (Bangladesh); Jiang, Jieying [Department of Population Health, New York University School of Medicine, New York, NY (United States); Department of Environmental Medicine, New York University School of Medicine, New York, NY (United States); Islam, Tariqul [U-Chicago Research Bangladesh, Ltd., Dhaka (Bangladesh); Slavkovich, Vesna [Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York City, NY (United States); Rundek, Tatjana [Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL (United States); Department of Public Health Sciences, Miller School of Medicine, University of Miami, Miami, FL (United States); Demmer, Ryan T.; Desvarieux, Moise [Department of Epidemiology, Mailman School of Public Health, Columbia University, New York City, NY (United States); and others

    2014-05-01

    Epidemiologic studies that evaluated genetic susceptibility for the effects of arsenic exposure from drinking water on subclinical atherosclerosis are limited. We conducted a cross-sectional study of 1078 participants randomly selected from the Health Effects of Arsenic Longitudinal Study in Bangladesh to evaluate whether the association between arsenic exposure and carotid artery intima–media thickness (cIMT) differs by 207 single-nucleotide polymorphisms (SNPs) in 18 genes related to arsenic metabolism, oxidative stress, inflammation, and endothelial dysfunction. Although not statistically significant after correcting for multiple testing, nine SNPs in APOE, AS3MT, PNP, and TNF genes had a nominally statistically significant interaction with well-water arsenic in cIMT. For instance, the joint presence of a higher level of well-water arsenic (≥ 40.4 μg/L) and the GG genotype of AS3MT rs3740392 was associated with a difference of 40.9 μm (95% CI = 14.4, 67.5) in cIMT, much greater than the difference of cIMT associated with the genotype alone (β = − 5.1 μm, 95% CI = − 31.6, 21.3) or arsenic exposure alone (β = 7.2 μm, 95% CI = − 3.1, 17.5). The pattern and magnitude of the interactions were similar when urinary arsenic was used as the exposure variable. Additionally, the at-risk genotypes of the AS3MT SNPs were positively related to the proportion of monomethylarsonic acid (MMA) in urine, which is indicative of arsenic methylation capacity. The findings provide novel evidence that genetic variants related to arsenic metabolism may play an important role in arsenic-induced subclinical atherosclerosis. Future replication studies in diverse populations are needed to confirm the findings. - Highlights: • Nine SNPs had a nominally significant interaction with well-water arsenic in cIMT. • Three SNPs in AS3MT showed nominally significant interactions with urinary arsenic. • cIMT was much higher among subjects with higher arsenic exposure and AS3MT

  19. [ASSOCIATION BETWEEN DIETARY GLYCEMIC INDEX AND GLYCEMIC LOAD AND INTIMA MEDIA THICKNESS IN A POPULATION AT HIGH CARDIOVASCULAR RISK: A SUBGROUP ANALYSIS IN THE PREDIMED TRIAL].

    Science.gov (United States)

    Goñi Ruiz, Nuria; Martínez González, Miguel Ángel; Salas Salvadó, Jordi; Buil Cosiales, Pilar; Diez Espino, Javier; Martinez Vila, Eduardo; Irimia Sierra, Pablo; Ros Rahola, Emilio; Toledo Atucha, Estefania

    2015-11-01

    Introducción: el grosor de la íntima media carotídea (GIMC) es un conocido marcador de arteriosclerosis precoz y un buen predictor de eventos cardiovasculares futuros. Aunque se ha demostrado que la adhesión a la dieta mediterránea, especialmente si está enriquecida con aceite de oliva virgen extra o frutos secos, tiene efectos beneficiosos sobre los cambios en el GIMC, el papel de los carbohidratos en el desarrollo de la arterioesclerosis sigue siendo controvertido. Objetivo: valorar la relación entre el índice glucémico (IG) o la carga glucémica (CG) de la dieta y el GIMC en una población asintomática con alto riesgo cardiovascular. Métodos: en el marco del estudio PREDIMED (PREvención con Dieta MEDiterránea), se seleccionaron de manera aleatorizada 187 sujetos del centro PREDIMED- NAVARRA. A estos pacientes asintomáticos, pero con alto riesgo cardiovascular, se les realizó una ecografía carotídea basal para determinar su GIMC, y tras un año en el estudio se les repitió la misma medición. Se usó un cuestionario validado de frecuencia de consumo de alimentos (137 ítems) tanto basal como anualmente para obtener el IG y la CG, que fueron categorizados en cuartiles, tras ser ajustados por energía. Mediante modelos multivariables (ANCOVA) se estudió la posible asociación entre el IG o la CG de la dieta y el GIMC o su cambio al año. Resultados: en la población estudiada no se observó una asociación estadísticamente significativa entre el IG o la CG y el GIMC, ni al inicio ni tras un año de seguimiento.

  20. Studies on carotid artery atherosclerosis and its related factors in maintenance hemodialysis patients%维持性血液透析患者颈动脉粥样硬化及相关因素分析

    Institute of Scientific and Technical Information of China (English)

    郭美华; 皮小陵; 徐琴芳; 傅立倩

    2012-01-01

    Objective To understand the formation of carotid artery atherosclerosis (CAS) and its potential causes in maintenance hemodialysis {MHD) patients. Methods We recruited 55 MHD cases and measured their physical dimensions of bilateral carotid arteries by using high resolution ultrasonography. They were then assigned into plaque positive group or plaque negative group. Data were compared between the two groups. Logistic regression analysis was performed to disclose the potential factors leading to plaque generation. Results Atherosclerotic plaque was found in 69.09% of the 55 MHD cases. The intima-media thickness (IMT) of the carotid arteries was significant larger in plaque positive group than in negative group (P=0,001). Other significant differences between the two groups included age (P=0.000), hemoglobin (Hb) level (P=0.01) and C reactive protein (CRP) level (P=0.002). Logistic regression analysis indicated that older age 0=1.102, P=0.014) and higher CRP level (β=0.138, P=0.026) were the two major contribution factors for atherosclerotic plaque formation. Conclusions MHD patients have higher potential of CAS. Older age and higher CRP level are the two major risk factors for atherosclerotic plaque formation in carotid artery.%目的 了解慢性肾衰竭维持性血液透析(maintenance hemodialysis,MHD)患者颈动脉粥样硬化(carotid artery atherosclerosis,CAS)发生情况并分析其相关影响因素. 方法 收集55例MHD患者.采用高分辨B型超声多普勒方法测定其双侧颈动脉解剖,按斑块有无分为斑块阳性组和斑块阴性组.对2组各数据进行比较,并对斑块产生的各危险因素进行Logistic回归分析.结果 55例MHD患者中,颈动脉斑块发生率为69.09%.与斑块阴性组相比,阳性组患者颈动脉血管内皮厚度(即内膜-中层厚度,intima-media thickness,IMT)明显增加(P=0.001).2组患者在年龄(P<0.001)、血红蛋白(hemoglobin,Hb)水平(P=0.01)和C反应蛋白(Creactive protein

  1. Correlation analysis between the carotid artery ather osclerosis severity of patients with lacunar infarct and the level of serum uric acid, high-sensitivity C-reactive protein

    Directory of Open Access Journals (Sweden)

    WANG Shu

    2013-01-01

    Full Text Available Background Nowadays, clinical practice shows that the number of patients with cerebral infarction increases year by year in young and middle-aged adults with unclear causes. This paper aims to investigate the correlation between the level of serum uric acid (UA, high-sensitivity C-reactive protein (hsCRP and the degree of carotid atherosclerosis by detecting the level of UA, hsCRP and carotid intima-media thickness (IMT in young and middle-aged patients with lacunar infarct. Methods By using Holland Philips HT-11 color Doppler ultrasonic diagnostic apparatus with linear type probe and 7.50MHz frequency, IMT of end-diastolic distal and bifurcation of arteria carotis communis and proximal internal carotid artery were measured respectively on 186 patients with definitely diagnosed lacunar infarct. As a result, average values were taken as the IMT values. IMT < 1.00 mm was regarded as negative result and 1.00 mm ≤IMT < 1.20 mm was thickening of carotid artery intima. Carotid artery plaque formation was regarded with echo structure existing in the lumen or abnormal blood flow deficits into the lumen, or local IMT ≥1.20 mm at vertical and horizontal scan. At the same time, the levels of UA and hsCRP were detected, and correlation analysis was made between them and IMT. Results The values of UA, hsCRP and IMT in the case group were higher than that in the control group (P = 0.000. The differences among the case subgroups including IMT thickening group, plaque formation group and IMT normal group were statistically significant (P < 0.01, for all. There was linear correlation between the levels of UA, hsCRP and IMT ( r = 0.923, P = 0.000; r = 0.955, P = 0.008. Conclusion UA and hsCRP involve in the formation of atherosclerosis plaque and play an important role in the first-onset lacunar infarct patients without hypertension and other risk factors.

  2. 418例糖尿病患者颈动脉彩超结果及相关因素分析%Analysis of 418 Cases of Carotid Artery Color Doppler Results and Related Factors

    Institute of Scientific and Technical Information of China (English)

    孙飞; 李鼎; 邹翠文; 万钢; 申元; 吕玉洁; 韩子全; 杨再华; 杨玉平; 李海英; 牛文翠; 马卫华; 齐莹

    2015-01-01

    Objective Analysis the carotid artery color Doppler of diabetic patients and its relationship with metabolic factors, to find alternative indicators for pre-screen in the primary hospital. Methods According to the results of carotid artery ultrasonography, 418 patients were divided into normal group (intima-media of thickness<0.9mm, no plaque and stenosis) and abnormal (intima-media thickness ≥ 0.9mm of plaque or stenosis); select the factors related to metabolism (such as blood pressure, waist, neck circumference, BMI and blood glucose, blood lipid), compare the dif erences between the two groups of patients al relevant indexes. Results Carotid ultrasound in normal group, neck circumference, waist circumference, systolic blood pressure, which is significantly lower than that in abnormal group, there are significant dif erence between two groups ( <0.01);fasting blood glucose in normal group is lower than the abnormal group, there was significant dif erence between two groups ( <0.05);high density lipoprotein cholesterol in normal group is higher than the abnormal group, there was significant dif erence between two groups ( <0.01). Conclusion Neck circumference, waist circumference, systolic blood pressure, fasting blood glucose, HDL are associated with vascular disease, the neck circumference can be recommended as the pre screening index for carotid artery abnormal at primary hospital.%目的分析糖尿病患者颈动脉彩超的临床意义及其与代谢相关因素的相关性,以寻找在基层医院进行预筛时的替代指标。方法418例患者按照颈动脉彩超检查结果分为正常组(内中膜度厚度<0.9 mm、无斑块及狭窄)和异常组(内中膜度厚度≥0.9 mm有斑块或狭窄者);选取与代谢相关的因素(如血压、腰围、颈围、BMI、血糖、血脂)等数据,进行数据分析;比较两组患者各相关指标之间的差异。结果颈动脉检查正常组中颈围、腰围、收缩压,明显低于异常组

  3. The metabolic syndrome and progression of carotid atherosclerosis over 13 years. The Tromsø study

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    Herder Marit

    2012-06-01

    Full Text Available Abstract Background The metabolic syndrome (MetS is associated with increased risk of cardiovascular disease. In this study, we examine if metabolic syndrome predicts progression of atherosclerosis over 13 years. Methods Participants were 1442 men and 1532 women in the population-based Tromsø Study who underwent carotid ultrasound examinations at baseline in the 4th (1994–5 and at follow-up in the 6th survey (2007–8. Of these, 278 men and 273 women fulfilled the criteria for the MetS, defined according to a modified version of the National Cholesterol Education Program Adult Treatment Panel III (NCEP, ATPIII. Carotid atherosclerosis was assessed as total plaque area (TPA and mean intima-media thickness (IMT at follow-up and as change in IMT and TPA from baseline to follow-up. Associations between MetS and its components and carotid atherosclerosis were assessed in linear regression models adjusted for age, total cholesterol and daily smoking, stratified by sex. Results IMT and TPA levels at follow-up (p 2, p = 0.009 and IMT (β = 0.051 mm, p 2, p = 0.002 in men below 50 years of age. Hypertension was predictive of follow-up TPA and IMT in both genders and of progression of TPA in women. Impaired glucose tolerance was associated with follow up levels of IMT and TPA as well as progression in IMT in men. None of the other components of MetS were associated with progression of atherosclerosis. Conclusions Subjects with MetS had higher levels of IMT and TPA at follow up than those without MetS. Mets predicted progression of IMT and TPA in those below 50 years of age, but not in other age groups, indicating that MetS may be involved in the initiation of the atherosclerotic process.

  4. Carotid intimo-medial thickness: A predictor for cardiovascular disorder in patients with polycystic ovarian syndrome in the South Indian population

    Science.gov (United States)

    Garg, Neeraj; Dharmalingam, Mala; Prabhu, Vinay; Murthy, N. S.

    2016-01-01

    Background: Polycystic ovary syndrome (PCOS) is a common endocrine problem, which is now recognized as not only a reproductive but also a metabolic disorder with long-term effects on women's health, it has a prevalence of 5–10% in India. Among PCOS, it has been reported to have a higher incidence of cardiovascular disorders. Epidemiological studies have demonstrated an association between an increase in the carotid intimo-medial wall thickness (CIMT) and cardiovascular dysfunction. The objective of this study was to compare the CIMT of PCOS with normal women. Materials and Methods: The cross-sectional case-control study was conducted in a tertiary care Hospital in South India. Fifty-four subjects with polycystic ovarian disease and 54 healthy women were enrolled into the study. PCOS was diagnosed by Rotterdam criteria, 2003. Both groups of women were investigated with CIMT and cardiovascular dysfunction. Results: The mean age of women with PCOS and controls were 24.4 ± 5.3 and 27.7 ± 6.0, respectively, whereas body mass index was significantly higher in PCOS than controls group. Mean carotid IMT was significantly higher in PCOS subjects (0.51 ± 0.078) than control subjects (0.44 ± 0.06). Conclusion: Higher CIMT values were observed in PCOS group compared to control group indicating the importance for measuring CIMT in women with PCOS to predict the risk of cardiovascular dysfunction (CVD). PMID:27730077

  5. Risk Factors of Flow-empty Area in Carotid Artery in Doppler Power Imaging%颈动脉多普勒能量图中出现流空区的危险因素

    Institute of Scientific and Technical Information of China (English)

    于冬; 刘吉良; 田东旭

    2015-01-01

    Purpose To explore the reason which resulted in the flow-empty area in carotid artery, establishing a logistic regression model of carotid artery by power Doppler ultrasound, screening the risk factors of the occurrence of this phenomenon and analyzing their reasons. Materials and Methods Clinical data of 172 male subjects who had undergone power Doppler ultrasound were analyzed retrospectively, whether there was flow-empty area at the edge of carotid artery lumen during diastole was observed, brachial artery systolic pressure, diastolic pressure and pressure difference, carotid artery intima media thickness, and the existence of atherosclerotic plaques was measured, the age, body mass index (BMI), blood glucose, blood lipid, history of smoking and cerebrovascular accident situation was collected to establish the logistic model to analyze the risk factors resulted in flow-empty area. Results Among the 172 patients, intima media thickened in 89 cases, systolic blood pressure increased in 97 cases, diastolic blood pressure increased in 7 cases, the pulse pressure increased in 90 cases, with the age of 65 years or older in 92 cases, atherosclerotic plaque formation in 84 cases, long smoking history in 63 cases, cerebral vascular accident history in 11 cases, diabetes mellitus in 79 cases, hyperlipidemia in 101 cases, and abnormal BMI in 13 cases. Doppler energy imaging showed flow-empty area wave type in 98 cases, no flow-empty area wave type in 74 cases. 5 statistically significant variables for the occurrence of flow-empty area in carotid artery lumen during diastole were selected using logistic regression, which were carotid artery intima media thickness, BASP, the pressure difference of brachial artery, existence of atherosclerotic plaque, and the age of patients (OR=50.643, 47.248, 29.426, 32.667 and 20.514, P<0.05). Conclusion The risk factors resulted in "flow-empty area" in carotid artery are increased IMT, systolic BP and pressure difference, existence of

  6. The clinical analysis carotid artery ultrasound for the 54 patients who got coronary heart disease%冠心病患者54例颈动脉超声临床分析

    Institute of Scientific and Technical Information of China (English)

    吉红珠

    2013-01-01

      目的探讨颈动脉粥样硬化与冠状动脉粥样硬化的相关性。方法选择54例冠心病患者作为观察组,选择同期在我院体检的同年龄段患者作为对照组,用高频超声对2组患者进行颈动脉超声检查,观察2组颈动脉内膜变化。结果冠心病组颈动脉内膜变化与对照组比较差异有统计学意义(P<0.05)。结论据脑心同源,脑心同治理论,颈动脉超声所示颈动脉内膜变化可大致了解冠脉血管情况,应针对相关危险因素进行早期干预治疗。%Objective To investigate the correlation between carotid atherosclerosis and coronary atherosclerosis. Methods 54 cases of coronary heart disease patients as the observation group, select the same period in our hospital as control group with the same age Ultrasound of carotid artery were performed on two patients with high-frequency ultrasound,Ultrasound of carotid artery were performed on two patients with high-frequency ultrasound, According to the intima-media thickness (IMT) were divided into two groups, observation group two endometrial changes. Results the coronary heart disease group endometrial changes and control group had statistical significance. P<0.05. Conclusion According to the theory of brain and heart Tongzhi, according to carotid artery ultrasound shows carotid intimal changes can be a general understanding of coronary vessels,And early intervention treatment according to the related risk factors.

  7. Effect of QIMT and QAS in Evaluating Common Carotid Artery Function of Obese People at High Altitudes and Relative Analysis of Risk Factors of Coronary Heart Disease%超声射频信号血管内中膜分析技术在高海拔地区肥胖人群颈部血管功能评价及冠心病风险相关性分析中的应用

    Institute of Scientific and Technical Information of China (English)

    赵夏夏; 王译晗; 苗英; 宁方艳; 王海筠; 吉新雁; 李亚妮

    2012-01-01

    目的 探讨超声射频信号血管内中膜分析技术(quality intima-media thickness,QIMT)在高海拔地区肥胖人群颈部血管功能评价中的作用及其在冠心病风险相关性分析中的价值.方法 选择高海拔地区肥胖者275例(肥胖组)及健康体检者200例(正常组),比较两组体重指数及胆固醇水平,采用超声射频信号QIMT及动脉僵硬度分析技术(quality arterial stiffness,QAS)检测两组颈总动脉内膜中层厚度(intima-media thickness,IMT)、扩张性系数、顺应性系数、血管弹性系数、血管硬度参数,并对资料完整的患者进行10年内冠心病风险综合评估.结果 两组男性年龄、体重指数、颈总动脉IMT比较差异有统计学意义(P<0.01),总胆固醇、高密度脂蛋白胆固醇( HDL-C)比较差异无统计学意义(P>0.05);两组女性年龄、体重指数、总胆固醇、HDL-C、IMT比较差异均有统计学意义(P<0.05).肥胖组男性与正常组男性比较,冠心病风险总值、综合评估发病率、相关性风险增高,差异有统计学意义(P<0.05);肥胖组女性与正常组女性比较,冠心病风险总值、综合评估发病率、平均发病率、正常范围的下限、相关性风险均增高,差异有统计学意义(P<0.01).结论 超声射频信号QIMT对肥胖人群IMT及冠心病相对危险性进行评估,具有无创、精确度高、重复性好、操作简便等诸多优点,可作为早期动脉硬化可靠、简便的检查技术.%Objective To study the effect of Quality Intima-Media Thickness (QIMT)and Quality Arterial Stiffness (QAS)in evaluating common carotid artery function of obese people at high altitudes and relative analysis of risk factors of coronary heart disease (CHD). Methods 275 obese people at high altitudes were selected as obese group, and 200 people who underwent healthy examination were selected as normal group. Body weight index and cholesterol of the two groups were detected, QIMT and QAS

  8. Carotid Ultrasound

    Science.gov (United States)

    ... this page from the NHLBI on Twitter. Carotid Ultrasound Also known as carotid duplex. Carotid ultrasound is a painless imaging test that uses high- ... of your carotid arteries. This test uses an ultrasound machine, which includes a computer, a screen, and ...

  9. Guidewire bias in rotational atherectomy in the angled lesion: evaluation based on the thickness of the ablated intima and media.

    Science.gov (United States)

    Oishi, Yoshihiko; Okamoto, Mitsunori; Sueda, Takashi; Hashimoto, Masaki; Karakawa, Shinji; Kambe, Masayuki

    2002-07-01

    The effect of guidewire bias on angled-lesion ablation by rotational atherectomy (RA) was assessed by measuring the changes in vertical lumen diameter, horizontal lumen diameter and the intima-media thickness of the coronary artery, using intravascular ultrasound in 10 lesions with an angle greater than 10 degrees. The vertical and horizontal diameters significantly increased after RA. The intima-media thickness at the 4 orthogonal sites significantly decreased. There was a significant positive correlation between vertical diameter change and angle (r=0.642, p=0.045), but none between horizontal diameter change and angle. There was no correlation between intima-media thickness change at 0 degrees and angle; however, at 180 degrees there was a tendency to correlation with angle (r=0.602, p=0.066). These data suggest that in cases of angled lesions, the increase in vertical lumen diameter is caused more by ablation of the 180 degrees wall than by that of the 0 degrees wall, which is brought about by guidewire bias toward the vascular wall at 180 degrees.

  10. Cardiovascular Risk Assessment with Vascular Function, Carotid Atherosclerosis and the UKPDS Risk Engine in Korean Patients with Newly Diagnosed Type 2 Diabetes

    Directory of Open Access Journals (Sweden)

    Choon Sik Seon

    2011-12-01

    Full Text Available BackgroundPatients with type 2 diabetes have an increased risk of cardiovascular disease. Few studies have evaluated the cardiovascular disease (CVD risk simultaneously using the United Kingdom Prospective Diabetes Study (UKPDS risk engine and non-invasive vascular tests in patients with newly diagnosed type 2 diabetes.MethodsParticipants (n=380; aged 20 to 81 years with newly diagnosed type 2 diabetes were free of clinical evidence of CVD. The 10-year coronary heart disease (CHD and stroke risks were calculated for each patient using the UKPDS risk engine. Carotid intima media thickness (CIMT, flow mediated dilation (FMD, pulse wave velocity (PWV and augmentation index (AI were measured. The correlations between the UKPDS risk engine and the non-invasive vascular tests were assessed using partial correlation analysis, after adjusting for age, and multiple regression analysis.ResultsThe mean 10-year CHD and 10-year stroke risks were 14.92±11.53% and 4.03±3.95%, respectively. The 10-year CHD risk correlated with CIMT (P<0.001, FMD (P=0.017, and PWV (P=0.35 after adjusting for age. The 10-year stroke risk correlated only with the mean CIMT (P<0.001 after adjusting for age. FMD correlated with age (P<0.01 and systolic blood pressure (P=0.09. CIMT correlated with age (P<0.01, HbA1c (P=0.05, and gender (P<0.01.ConclusionThe CVD risk is increased at the onset of type 2 diabetes. CIMT, FMD, and PWV along with the UKPDS risk engine should be considered to evaluate cardiovascular disease risk in patients with newly diagnosed type 2 diabetes.

  11. Endothelial wall thickness, cardiorespiratory fitness and inflammatory markers in obese and non-obese adolescents

    Directory of Open Access Journals (Sweden)

    Larissa R. Silva

    2014-03-01

    Full Text Available Background: Increased carotid intima-media thickness (c-IMT is considered a marker of early-onset atherosclerosis and it has been found in obese children and adolescents, but the risk factors associated with this population remain to be elucidated. Objective : To compare and verify the relationship between c-IMT, metabolic profile, inflammatory markers, and cardiorespiratory fitness in obese and non-obese children and adolescents. Method : Thirty-five obese subjects (19 boys and 18 non-obese subjects (9 boys, aged 10-16 years, were included. Anthropometry, body composition, blood pressure, maximal oxygen consumption (VO2max, and basal metabolic rate were evaluated. Serum glucose, insulin, homeostasis model assessment of insulin resistance (HOMA-IR, blood lipids, C-reactive protein (CRP, and adiponectin were assessed. c-IMT was measured by ultrasound. Results: The results showed that c-IMT, triglycerides, insulin, HOMA-IR, and CRP values were significantly higher in the obese group than in the non-obese group, and high-density lipoprotein cholesterol (HDL-c, adiponectin, and VO2max values were significantly lower in the obese group than in the non-obese group. The c-IMT was directly correlated with body weight, waist circumference, % body fat, and HOMA-IR and inversely correlated with % free fat mass, HDL-c, and VO2max. Conclusions : Our findings show that c-IMT correlates not only with body composition, lipids, insulin resistance, and inflammation but also with low VO2max values in children and adolescents.

  12. CTA analysis of the correlation between the carotid bifurcation angle and the thickness of the internal carotid atherosclerotic plaque%颈动脉分叉角与颈内动脉粥样硬化斑块厚度相关性的 CTA 分析

    Institute of Scientific and Technical Information of China (English)

    周仕恩; 邱传亚; 何汇忱; 许钧杰

    2015-01-01

    Objective To evaluate the correlation between the carotid bifurcation angle and the thickness of the internal carotid atherosclerotic plaque on multi-slice spiral CT angiography (MSCTA).Methods MSCTA images of ninety-nine subjects from 2012 to 2013 were collected and analyzed retrospectively,in which images were processed and analysed with the GE AW4.4 workstation. The common carotid bifurcation angle (CCBA),the internal carotid bifurcation angle (ICBA),the thickness of plaque at the initial region of the internal carotid artery(ICA),and the average diameter of the internal carotid opening were determined.Thickness of atherosclerosis plaque at bilateral carotid bifurcations was grouped based on the CCBA,ICBA and normalized ICBA indexes.The paired T-test (normal distribution)or Wilcoxon sign-ranked test (non-normal distribution)were performed with SPSS version 1 6.0. Association between the CBA and the plaque thickness at the initial region of the ICA were analysed with partial correlation.Statisti-cal significance was set at P 0.05)。偏相关分析示:颈总动脉分叉角分组中,颈总动脉分叉角与颈内动脉斑块厚度间相关系数 r 值为-0.020(P =0.849);颈内动脉分叉角分组中,颈内动脉分叉角与颈内动脉斑块厚度间相关系数 r 值为0.018(P =0.864);颈内动脉分叉角标准化指数分组中,颈内动脉分叉角标准化指数与颈内动脉斑块厚度间相关系数 r 值为0.005(P =0.962)。结论双侧颈动脉分叉角变化不会导致双侧颈内动脉起始部斑块厚度的差异。

  13. Carotid artery surgery

    Science.gov (United States)

    Carotid endarterectomy; CAS surgery; Carotid artery stenosis - surgery; Endarterectomy - carotid artery ... through the catheter around the blocked area during surgery. Your carotid artery is opened. The surgeon removes ...

  14. 格列吡嗪合并辛伐他汀对颈动脉粥样硬化斑块的疗效观察%Therapeutic Efficacy of Simvastatin plus Glipizide in Patients with Carotid Atherosclerotic Plaques

    Institute of Scientific and Technical Information of China (English)

    胡军; 曾慰; 胡名松

    2011-01-01

    目的:研究辛伐他汀对治疗并发高脂血症的颈动脉粥样硬化斑块的影响,以及合用格列吡嗪对辛伐他汀的增效作用.方法:将高脂血症并发颈动脉粥样硬化患者108例,随机分为2组,辛伐他汀治疗组和格列吡嗪合并辛伐他汀治疗组,6个月治疗后,测量血脂生化指标、炎症因子活性和高频率彩色多普勒超声内-中膜厚度(IMT).结果:两个治疗组,治疗后与治疗前相比,血脂指标,炎症因子指标及其IMT值都具有显著性差异(P0.05),但LDL-C显著减少(P<0.05),两组间ET-1和TNF-α以及IMT值差异显著(P<0.05).结论:辛伐他汀能够改善血脂水平,降低炎症因子活性,进而对颈动脉粥硬化具有治疗作用,而合并格列吡嗪治疗能够起到增效作用.%Objective: To evaluate the therapeutic efficacy of simvastafin in patients with carotid atherosclerotic plaques complicated with hyperlipidemia,and the synergistic effect of glipizide. Methods: All the 108 patients were divided into two groups group treatment with simvastatin and group treatment with simvastatin and glipizide. After treatment for 6 months, we measured the biochemical indicator of blood fat, included TC,TG,LDL-C and HDL-C ,the activity of inflammatory factors, included ET-1 and TNF-α, and the intima-media thickness (IMT). Results: Both of the 2 groups, the scores of biochemical indicator of blood lipids, activity of inflammatory factors and intima-media thickness (IMT) were changed significantly after treatment (P<0.05). Compared with group treatment with simvastatin, the changes of the scores of TC, TG and HDL-C were not significant (P>0.05). However, the scores of LDL-C, activity of inflammatory factors and IMT were decreased significantly (tP<0.05). Conclusiom: Simvastatin could improve carotid atherosclerosis, through improving the level of blood iipids and reducing the activity of inflammatory factors, and glipizide had a synergistic effect.

  15. Relationship between the level of fibrinogen and carotid atherosclerosis in patients with cerebral infarction%脑梗死患者血浆纤维蛋白原水平与颈动脉粥样硬化的关系

    Institute of Scientific and Technical Information of China (English)

    翟国杰; 邵国富; 徐元

    2012-01-01

    Objective To investigate the association between the level of fibrinogen and carotid atherosclerosis (CAS) and the effect of relevant risk factors on CAS. Methods Carotid intima-media thickness (IMT) was measured using color Doppler ultrasonography in 508 patients with cerebral infarction. According to the results of ultrasonography, the patients were divided into two groups: normal (IMT≤0. 9 mm), and carotid atherosclerosis (IMT>0. 9 mm and plaque). The plasma fibrinogen and other biochemical markers were also detected. The history of hypertension, diabetes, and smoking were also recorded. Results According to the level of fibrinogen, patients were divided into two groups: ≤ 3 g/L group and >3 g/L group. Logistic regression showed that the rate of >3 g/L group was 2. 04. There were significant differences in age, fibrinogen, hypertension, and smoking between the normal — carotid group and the carotid atherosclerosis group. Logistic regression showed that age, fibrinogen, hypertension, and smoking had significant influence on the CAS, with the highest risk factor being the fibrinogen. Plasma fibrinogen was higher in lacunar infarction patients. Conclusions In patients with cerebral infarction, the elevated plasma fibrinogen was significantly correlated with CAS. Therefore, fibrinogen might play more important role than other traditional risk factors.%目的 探讨脑梗死患者血浆纤维蛋白原( fibrinogen,Fg)水平与颈动脉粥样硬化(carotid atherosclerosis,CAS)的关系及相关危险因素对颈动脉粥样硬化发生、发展的作用.方法 选择脑梗死患者508例.应用彩色多普勒超声检查患者颈总动脉(common carotid artery,CCA)、颈内动脉(Internal carotid artery,ICA)颅外段及颈总动脉分叉处内—中膜厚度(Intima- medial Thickness,IMT).评定标准:颈动脉IMT>0.9 mm或(和)颈动脉斑块定义为CAS.入院后24 h内抽取空腹静脉血送检,测定Fg水平及其他生化指标,记录高血压病、糖尿

  16. 颈动脉粥样硬化斑块与血浆纤维蛋白原的关系%Relationship between Carotid Atherosclerotic Plaque and Plasma Fibrinogen

    Institute of Scientific and Technical Information of China (English)

    戴志刚; 王涛; 武文元

    2011-01-01

    [ Objective ] To study the relationship between carotid atherosclerosis and plasma fibrinogen. [ Methods] Color Doppler was carried out on carotid artery of 65 carotid atherosclerotic patients, recording position, echo intensity of artherosclerotic plaque,carotid artery intima-media thickness and vessel inside diameter. According to carotid artery stenosis, the patients were divided into 4 groups, and were re-divided into 2 groups ( hard plaque and soft plaque ) on the basis of character of atherosclerotic plaque, meanwhile, detecting the level of plasma fibrinogen, and performing statistical analysis. [ Results ] With the increasing level of plasma fibrinogen , the degree of carotid atherosclerotic stenosis was increased, showing positive correlation; the rate of plasma fibrinogen soft plaque of middle and high density groups is obviously higher than the lower density group. [ Conclusion ] Plasma fibrinogen level is closely correlated with characteristic of carotid atherosclerotic plaque. Plasma fibrinogen may determine the stability of carotid atherosclerotic plaque. And the increasing level of plasma fibrinogen is closely related with carotid atherosclerosis and plays an important role in its development.%目的 探讨患者颈动脉粥样硬化程度以及颈动脉粥样硬化性质与血浆纤维蛋白原的关系.方法 对存在颈动脉粥样硬化的65例患者进行颈动脉彩色多普勒检查,记录颈动脉粥样硬化斑块的部位、回声强度、颈总动脉分叉处内膜中层厚度及血管内径,并根据颈动脉狭窄程度分为4组,再根据超声检查动脉硬化斑块性质分为硬斑和软斑2组,同时检测血浆纤维蛋白原水平,进行统计学分析.结果 随着血浆纤维蛋白原水平的升高,动脉粥样硬化狭窄程度也随之增加,且呈正相关;中、高浓度纤维蛋白原组软斑发生率明显多于低浓度组.结论 血浆纤维蛋白原水平与颈动脉粥样硬化斑块的性质有关,血浆纤维蛋

  17. Correlation between oxidized low density lipoprotein and carotid atherosclerosis in patients with metabolic syndrome%代谢综合征患者氧化型低密度脂蛋白与颈动脉硬化的相关性

    Institute of Scientific and Technical Information of China (English)

    杨立斌; 刁增利; 李海涛

    2011-01-01

    目的 探讨血清中氧化型低密度脂蛋白(oxidized low density lipoprotein,ox-LDL)水平与代谢综合征(metabolic syndrome,MS)患者危险因素和颈动脉内膜中层厚度(intima-media thickness,IMT)的关系及临床意义.方法 入选86例MS患者和39例正常体检者,根据危险因素的数目分为低危MS组(n=42)和高危MS组(n=44),用彩色超声多普勒测定IMT,ELISA方法检测受试者血清中ox-LDL,进行单因素方差分析和Logistic回归分析.结果 血清ox-LDL水平、IMT在正常对照组、低危MS组和高危MS组中依次增高,各组间差异有显著性(P0.9 mm为颈动脉硬化(carotid atherosclerosis,CA),Logistic回归分析结果示ox-LDL与CA独立相关,优势比为1.189(95%CI:1.078~1.312).结论 ox-LDL是MS患者的CA的独立危险因素之一,血清ox-LDL可作为临床评价MS病情发展和CA的危险因子.%Objective To discuss the relationship and clinical significance among the level of serum oxidized low density lipoprotein ( ox-LDL ), risk factors and carotid artery intima-media thickness ( IMT ) in the patients with metabolic syndrome ( MS ). Methods MS patients ( n= 86 ) and normal controls ( n= 39 ) were chosen and MS patients were divided into the low risk factor group ( n =42 ) and high risk factor group ( n =44 ) according to the number of risk factors. IMT was determined by using color Doppler ultrasonography, the level of serum ox-LDL was detected by using ELISA and the all data were analyzed with one-way ANOVA and Logistic regression. Results The level of serum ox-LDL and IMT increased successively in the normal control group, low risk factor group and high risk factor group. The difference among all groups was significant ( P < 0.01 ). The results of Logistic regression analysis showed that if IMT >0.9 mm was taken as the index of carotid atherosclerosis ( CA ),the level of serum ox-LDL was correlated independently with CA and the odds ratio was 1. 189 ( 95% CI:1. 078 ~ 1. 312

  18. The effect of lipid regulation with atorvastatin on the blood lipid levels and carotid artery plaques in patients with atherosclerotic cerebral infarction

    Directory of Open Access Journals (Sweden)

    Shu XU

    2015-11-01

    Full Text Available Objective To analyze the effect of intensive lipid regulation treatment with atorvastatin on the blood lipid levels and carotid artery plaques in patients with atherosclerotic cerebral infarction.  Methods Ninety-two patients with atherosclerotic cerebral infarction were randomly divided into two groups: observation group (treated by atorvastatin calcium with the dosage of 20 mg/d, N = 46 and control group (treated by diet without lipid-rich food, N=46. Besides, other drugs given to the patients in two groups were the same. The blood lipid levels and the changes of carotid artery plaques in two groups were analyzed and compared before treatment and 3 months after treatment. Results After treatment, the concentrations of total cholesterol [TC, (4.23 ± 0.92 mmol/L vs (5.24 ± 0.68 mmol/L], triglyceride [TG, (2.46 ± 0.28 mmol/L vs (3.33 ± 0.47 mmol/L], low-density lipoprotein cholesterol [LDL-C, (2.52 ± 0.38 mmol/L vs (4.78 ± 0.86 mmol/L] in the patients of observation group were all decreased and significantly lower than those in the control group (P = 0.000, for all, and the concentration of high-density lipoprotein cholesterol [HDL-C, (1.13 ± 0.41 mmol/L vs (0.85 ± 0.32 mmol/L] in the patients of observation group was increased and significantly than that in the control group (P = 0.003. The carotid artery plaque size [(20.25 ± 0.32 mm2 vs (24.42 ± 10.33 mm2] and thickness [(0.59 ± 0.13 mm vs (1.93 ± 0.23 mm] of carotid artery plaques and intima?media thickness [IMT, (1.32 ± 0.67 mm vs (1.63 ± 0.56 mm] of common carotid artery (CCA in the patients of observation group were all significantly lower than those in patients in the control group (P = 0.000, 0.000, 0.010, respectively. Comparing serum alanine aminotransferase (ALT, aspartate aminotransferase (AST, creatine kinase (CK and creatinine (Cr levels after treatment with before treatment, there was no significant difference between 2 groups (P > 0.05, for all.  Conclusions

  19. Epicardial Adipose Tissue (EAT) Thickness Is Associated with Cardiovascular and Liver Damage in Nonalcoholic Fatty Liver Disease

    Science.gov (United States)

    Pisano, Giuseppina; Consonni, Dario; Tiraboschi, Silvia; Baragetti, Andrea; Bertelli, Cristina; Norata, Giuseppe Danilo; Dongiovanni, Paola; Valenti, Luca; Grigore, Liliana; Tonella, Tatiana; Catapano, Alberico; Fargion, Silvia

    2016-01-01

    Background and Aims Epicardial adipose tissue (EAT) has been proposed as a cardiometabolic and hepatic fibrosis risk factor in patients with non alcoholic fatty liver disease (NAFLD). Aim of this study was to evaluate the role of EAT in NAFLD by analyzing 1) the association between EAT, the other metabolic parameters and the severity of steatosis 2) the relationship between cardiovascular (cIMT, cplaques, E/A), liver (presence of NASH and significant fibrosis) damage and metabolic risk factors including EAT 3) the relationship between EAT and genetic factors strongly influencing liver steatosis. Methods In a cross-sectional study, we considered 512 consecutive patients with NAFLD (confirmed by biopsy in 100). EAT, severity of steatosis, carotid intima-media thickness (cIMT) and plaques were evaluated by ultrasonography and results analysed by multiple linear and logistic regression models. Variables independently associated with EAT (mm) were female gender (p = 0.003), age (p = 0.001), BMI (p = 0.01), diastolic blood pressure (p = 0.009), steatosis grade 2 (p = 0.01) and 3 (p = 0.04), fatty liver index (p = 0.001) and statin use (p = 0.03). Variables independently associated with carotid IMT were age (p = 0.0001), hypertension (p = 0.009), diabetes (p = 0.04), smoking habits (p = 0.04) and fatty liver index (p = 0.02), with carotid plaques age (p = 0.0001), BMI (p = 0.03), EAT (p = 0.02),) and hypertension (p = 0.02), and with E/A age (p = 0.0001), diabetes (p = 0.005), hypertension (p = 0.04) and fatty liver index (p = 0.004). In the 100 patients with available liver histology non alcoholic steatohepatitis (NASH) was independently associated with EAT (p = 0.04) and diabetes (p = 0.054) while significant fibrosis with EAT (p = 0.02), diabetes (p = 0.01) and waist circumference (p = 0.05). No association between EAT and PNPLA3 and TM6SF2 polymorphisms was found. Conclusion In patients with NAFLD, EAT is associated with the severity of liver and vascular damage

  20. Analysis of risk factors for carotid atherosclerosis in patients with renal glomerular diseases%肾小球疾病患者颈动脉粥样硬化的危险因素分析

    Institute of Scientific and Technical Information of China (English)

    傅淑霞; 李绍梅; 谭会斌; 杨林; 李素敏; 马琳; 张晓光

    2008-01-01

    目的 探讨肾小球疾病患者颈动脉粥样硬化(AS)的危险因素.方法 选择251例有肾内血管病变(IAL)患者(病变组)并随机选择与之年龄、血压和肾小球滤过率(eGFR)相匹配无IAL的肾小球疾病患者129例(无病变组),检测2组颈动脉内中膜厚度(IMT);并比较有、无AS患者临床、实验室检查和肾病理特点.结果 ①AS检出率:病变组38.2%高于无病变组20.2%;年龄≥40岁AS检出率51.3%高于<40岁13.1%(均P<0.05).②AS患者年龄、BMI、空腹血糖(FBG)、吸烟、高血压程度、已知高血压时间和高血压家族史、肾小球疾病病程、IAL、肾脏病变程度均高或长于无AS患者,eGFR低于无AS患者(均P<0.05).回归分析示:IAL和年龄是颈AS的独立危险因素(OR=1.826,1.129;P=0.001,0.003).结论 IAL是肾小球疾病患者颈AS的独立危险因素.控制血糖、血压、体重,戒烟及延缓肾脏病进展对减轻或预防肾小球疾病患者IAL和AS有重要意义.%Objective To study the relationship between intrarenal arterial lesions(IAL)and carotid atherosclerosis(AS)in patients with renal glomerular disease.Methods 251 cases with IAL were selected and 129 age-,pressure-and eGFR-matched renal glomerular disease cases without IAL were randomly selected.The carotid intima-media thickness(IMT)was detected.Clinical and laboratory examination and renal histological characteristics were compared the two guoups.Results ①The detection rate of carotid AS was higher in patients with IAL than those without IAL(38.2%vs.20.2%),and higher in patients≥40 years than in patients<40 years(51.3%vs.13.1%)(P<0.05 for each). ②The carotid AS group was older and had higher frequencey of fasting blood glucose,body mass index,smoking,and family history of hypertension,longer duration of established hypertension and renal glomerular disease,higher prevalence of hypertension,IAL and renal lesions,and had lower eGFR than the carotid normal group(all P<0.05).Binary

  1. Carotid Ultrasound Imaging

    Science.gov (United States)

    ... News Physician Resources Professions Site Index A-Z Ultrasound - Carotid Carotid ultrasound uses sound waves to produce ... limitations of Carotid Ultrasound Imaging? What is Carotid Ultrasound Imaging? Ultrasound is safe and painless, and produces ...

  2. Fine particulate air pollution and the progression of carotid intima-medial thickness: a prospective cohort study from the multi-ethnic study of atherosclerosis and air pollution.

    Directory of Open Access Journals (Sweden)

    Sara D Adar

    Full Text Available BACKGROUND: Fine particulate matter (PM2.5 has been linked to cardiovascular disease, possibly via accelerated atherosclerosis. We examined associations between the progression of the intima-medial thickness (IMT of the common carotid artery, as an indicator of atherosclerosis, and long-term PM2.5 concentrations in participants from the Multi-Ethnic Study of Atherosclerosis (MESA. METHODS AND RESULTS: MESA, a prospective cohort study, enrolled 6,814 participants at the baseline exam (2000-2002, with 5,660 (83% of those participants completing two ultrasound examinations between 2000 and 2005 (mean follow-up: 2.5 years. PM2.5 was estimated over the year preceding baseline and between ultrasounds using a spatio-temporal model. Cross-sectional and longitudinal associations were examined using mixed models adjusted for confounders including age, sex, race/ethnicity, smoking, and socio-economic indicators. Among 5,362 participants (5% of participants had missing data with a mean annual progression of 14 µm/y, 2.5 µg/m(3 higher levels of residential PM2.5 during the follow-up period were associated with 5.0 µm/y (95% CI 2.6 to 7.4 µm/y greater IMT progressions among persons in the same metropolitan area. Although significant associations were not found with IMT progression without adjustment for metropolitan area (0.4 µm/y [95% CI -0.4 to 1.2 µm/y] per 2.5 µg/m(3, all of the six areas showed positive associations. Greater reductions in PM2.5 over follow-up for a fixed baseline PM2.5 were also associated with slowed IMT progression (-2.8 µm/y [95% CI -1.6 to -3.9 µm/y] per 1 µg/m(3 reduction. Study limitations include the use of a surrogate measure of atherosclerosis, some loss to follow-up, and the lack of estimates for air pollution concentrations prior to 1999. CONCLUSIONS: This early analysis from MESA suggests that higher long-term PM2.5 concentrations are associated with increased IMT progression and that greater reductions in PM2.5 are

  3. Growth hormone (GH) and atherosclerosis: changes in morphology and function of major arteries during GH treatment.

    Science.gov (United States)

    Pfeifer, M; Verhovec, R; Zizek, B

    1999-04-01

    Patients with hypopituitarism have increased carotid artery intima-media thickness and reduced arterial distensibility. The effect of 2 years of growth hormone (GH) replacement therapy on these parameters was studied in 11 GH-deficient men (age range, 24-49 years) with hypopituitarism and compared with 12 healthy, age-matched men with no evidence of pituitary or vascular disease. Before treatment the intima-media of the common carotid arteries and the carotid bifurcations were significantly thicker in patients (P < 0.001) than in the control group. Treatment with GH normalized the intima-media thickness of the common carotid artery within 6 months and of the carotid bifurcation within 3 months. The changes in intima-media thickness of the carotid artery were negatively correlated with changes in serum levels of insulin-like growth factor I during treatment. There was a significant improvement in flow-mediated, endothelium-dependent dilation of the brachial artery at 3 months, which was sustained at 6, 18 and 24 months of GH treatment (P < 0.05). Thus, GH replacement therapy in GH-deficient men reverses early morphological and functional atherosclerotic changes in major arteries, and may reduce rates of vascular morbidity and mortality.

  4. 亚临床甲减对脑梗死患者颈动脉粥样硬化程度的影响%Analysis of the impact of subclinical hypothyroidism on carotid atherosclerosis degree of patients with cerebral infarction

    Institute of Scientific and Technical Information of China (English)

    李滨; 吴琳; 李连波; 李栋; 冯爱萍; 冯磊

    2014-01-01

    目的:探讨亚临床甲减对脑梗死患者颈动脉粥样硬化程度的影响。方法选取2011-2012年在我院诊治的26例单纯亚临床甲减患者(甲减组),25例单纯脑梗死患者(脑梗死组),22例亚临床甲减合并脑梗死患者(甲减合并脑梗死组),以及23例健康体检者(对照组),共96例作为研究对象。检测对所有患者的血脂水平、超敏C反应蛋白(CRP)含量、颈动脉内膜中层厚度(IM T ),并对各组进行比较分析。结果甲减合并脑梗组的hs-CRP、TC、LDL-C、IM T明显高于对照组、甲减组及脑梗组(P<0.05),差异具有统计学意义。结论脑梗死合并亚临床甲减可加重动脉粥样硬化程度,临床干预脑梗死合并亚临床甲减非常必要。%Objective To analyze the influence of subclinical hypothyroidism on carotid atherosclerosis of patients with cer-ebral infarction.Methods Ninety-six cases admitted in our hospital during 2011-2012 were chosen as the research subjects ,in-cluding 26 patients with simple subclinical hypothyroidism (hypothyroidism group) ,25 patients of simple cerebral infarction ,22 cases of subclinical hypothyroidism combined with cerebral infarction (hypothyroidism merged with cerebral infarction group) , and 23 cases healthy check-up(control group).The blood lipid levels ,hypersensitive c-reactive protein (hs-CRP) levels ,carotid intima-media thickness (IMT) in all patients were detected and analyzed comparatively.Results The hs-CRP ,TC ,LDL-C and IMT of hypothyroidism combined with cerebral infarction group were significantly higher than those of the control group ,hy-pothyroidism group and cerebral infarction group (P<0.05) ,the difference had a statistical significance.Conclusion Cerebral infarction combined with subclinical hypothyroidism can aggravate atherosclerosis ,clinical intervention in these patients is very necessary.

  5. 针灸对颈动脉粥样硬化患者颈动脉血管和血流的影响%Impacts on carotid arterial vessel and blood flow in treatment of carotid atherosclerosis with acupuncture and moxibustion

    Institute of Scientific and Technical Information of China (English)

    张文来; 王伟志

    2011-01-01

    Objective To assess the impacts of acupuncture and moxibustion on carotid arterial vascular structure and blood flow parameters for the patients with carotid arteriosclerosis. Methods Sixty-eight cases were randomized into an acupuncture-moxibustion group (35 cases) and a medication group (33 cases). In the acupuncture-moxibustion group. Renying (ST 9), Neiguan (PC 6), Zusanli (ST 36), etc. Were selected, moxibustion was applied at Zusanli (ST 36). In the medication group, Enteric-coated aspirin was taken orally. The high-frequency ul-trasonography was applied to detect common carotid artery (CCA), intima-media thickness (IMT), peak systolic velocity (PSV), end diastolic velocity (EDV), pulsatility index (PI) and resistance index (RI) before and after treatment for the comparative analysis. Results After treatment, in comparison between acupuncture-moxibustion group and medication group, CCA got bigger [(8. 16 + 0. 80) mm vs (7. 69±O. 61) mm, P<0. 01], IMT became thinner [(1.05±0.09) mm vs (1. 10±0. 09) mm, P<0. 05], PSV and EDV were accelerated (all P<0. 01), and PI and RI were down-regulated (P<0. 05, P<0. 01). Conclusion Acupuncture and moxibustion provides a good efficacy on the improvement in carotid arteriosclerosis and blood flow in carotid artery, which contributes to the alleviation of ischemic cerebrovascular diseases and prevention from the occurrence and development of them.%目的:评估针灸对颈动脉粥样硬化患者颈动脉血管结构及血流参数的影响.方法:68例患者随机分为针灸组(35例)和药物组(33例),针灸组穴取人迎、内关、足三里等,足三里针上加灸;药物组口服阿司匹林肠溶片.于治疗前后应用高频超声检测两组患者颈动脉内径(CCA)、内膜中层厚度(IMT)及收缩期峰值血流速度(PSV)、舒张末期血流速度(EDV)、搏动指数(PI)、阻力指数(RI),并进行对比分析.结果:治疗后针灸组与药物组相比,CCA增加[(8.16±0.80)mmvs(7.69±0.61)mm,P<0

  6. 颈动脉圆周应变在心血管危险分层中的临床应用价值%Clinical application value of carotid circumferential strain in cardiovascular risk stratification

    Institute of Scientific and Technical Information of China (English)

    黄锡藩; 谭志伟; 刘彩娟; 梁可建; 严家兴

    2015-01-01

    目的:采用超声二维斑点追踪手段对不存在颈动脉粥样硬化斑块的患者进行颈动脉整体圆周应变检测,分析其颈动脉弹性,评价颈动脉圆周应变应用于心血管危险分层工作中的作用。方法:选取88例心内科住院患者,按照 Framingham 危险评分(FRS)将其划分为低危组、中危组以及高危组。对所有患者的颈总动脉收缩期峰值 CS 以及颈动脉内中膜厚度 IMT 进行测量,针对 CS 给予脉压差校正处理(CS/ PP),分析 CS、CS/ PP 以及 IMT 之间的关系。结果:CS、CS/ PP 以及 IMT 三者在低危组和中危组患者中的比较差异明显,在低危组以及高危组间比较差异显著,具有统计学意义( P ﹤0.05);CS/ PP 在三组患者间比较差异明显,具有统计学意义(P ﹤0.05)。结论:采用超声二维斑点追踪技术能够实现对颈动脉弹性情况的有效反映,利用 IMT 以及CS 能够针对患者颈动脉硬化进行结构评价以及功能评估,预测冠状动脉具体病变情况。%Objective Carotid global circumferential strain detection was conducted on the patients without carotid atherosclerotic plaque by using two - dimensional ultrasound speckle tracking methods to analyze the carotid elasticity and evaluate roles of the carotid circumferen-tial strain in the cardiovascular risk stratification. Method Eighty eight cases of the hospitalized patients in the department of cardiology of our hospital were randomly selected. According to the Framingham risk score(FRS),they were divided into low risk group,medium risk group and high risk group. Carotidartery peak systolic(CS)and intima - media thickness(IMT)of all the patients were measured. Based on CS,correc-tion and treatment of pulse pressure difference was given to analyze the relationship between CS,CS/ PP and IMT. Results There were obvious differences of CS,CS/ PP and IMT between the low risk group and the medium risk group

  7. 非酒精性脂肪肝和2型糖尿病与颈动脉病变的关系%Relationship between non-alcoholic fatty liver disease/type 2 diabetes and carotid artery disease

    Institute of Scientific and Technical Information of China (English)

    张宏伟; 张新义; 原海琴; 张瑞方

    2012-01-01

    目的 探讨非酒精性脂肪肝(NAFLD)和2型糖尿病(T2DM)与颈动脉病变的关系.方法 按是否有T2DM和NAFLD分为4组:对照组、NAFLD组、T2DM组、T2DM合并NAFLD组,观察各组临床及生化特征、颈动脉内-中膜厚度(IMT)以及超声分型,并对出现的颈动脉斑块形态、特点和颈动脉斑块积分进行分析.结果 T2DM合并NAFLD组的HOMA胰岛素抵抗指数高于其他三组;单纯T2DM组和NAFLD组HOMA-IR、TC、TG、LDL-C和BMI高于对照组,HDL-C低于对照组.T2DM合并NAFLD组IMT与其他三组比较,差异显著(P<0.05);T2DM组、NAFLD组IMT也大于对照组(P<0.05).颈动脉硬化超声分型各组之间构成比的比较有差异.T2DM合并NAFLD组不稳定斑块形成高于T2DM组、NAFLD组,颈动脉斑块积分也较T2DM组、NAFLD组增多.结论 NAFLD、T2DM与胰岛素抵抗、血脂异常、肥胖密切相关,易引起动脉粥样硬化,T2DM合并NAFLD与动脉粥样硬化斑块不稳定性和斑块发生程度之间有一定关联.%Objective To investigate the relationship between non-alcoholic fatty liver disease( NAFLD)/type 2 dia-betes(T2DM) and carotid artery disease. Methods Patients met the inclusion criterias were divided into control group, NAFLD group, T2DM group and T2DM concurrence with NAFLD group according to whether they had NAFLD and T2DM. The clinical and biochemical features, carotid intima-media thickness (1MT) and ultrasound types were observed and the carotid artery plaque morphology, features and carotid artery plaque scores were analyzed. Results HO-MA-IR in T2DM concurrence with NAFLD group was higher than that in other three groups. HOMA-IR, TC, TG, LDL-C and BMI in the NAFLD group and T2DM group were respectively higher than those in control group, while HDL-C in the two groups was lower than that in control group. There was great difference of IMT value among T2DM concurrence with NAFLD group and other three groups (P<0.05), IMT value in NAFLD group, T2DM group was

  8. The relationship between the level of plasma fibrinogen and carotid/lower limb atherosclerosis in patients with transient ischemic attack and single/multiple lacunar cerebral infarction%短暂性脑缺血发作、单/多发腔隙性脑梗死患者血纤维蛋白原水平与颈动脉及下肢动脉粥样硬化的相关性研究

    Institute of Scientific and Technical Information of China (English)

    季芳; 罗美芳; 李蕾

    2011-01-01

    目的 探讨短暂性脑缺血发作(transient ischemic attack,TIA)、单/多发腔隙性脑梗死患者颈动脉及下肢动脉粥样硬化情况,明确血纤维蛋白原水平对颈动脉及下肢动脉粥样硬化的影响.方法 对178例短暂性脑缺血发作、单/多发腔隙性脑梗死患者进行颈动脉及下肢动脉彩色多普勒超声检查,记录颈动脉及下肢动脉粥样硬化斑块的部位、大小、数目、回声、动脉分叉处内膜中层厚度(intima-media thickness,IMT)及血管内径,并测量血压及纤维蛋白原测定.结果 颈动脉粥样硬化斑块位于颈总动脉分叉处最多(占58.3%).IMT≥1.2 mm组血纤维蛋白原水平显著高于IMT<1.2 mm组(P<0.05).下肢动脉粥样硬化位于股动脉最多(占49.6%),IMT≥1.2 mm组血纤维蛋白原水平显著高于IMT<1.2 mm组(P<0.05).高水平纤维蛋白原组(≥3.0 g/L)易损斑块数量明显增多(P≤0.05).颈动脉IMT与患者收缩压、舒张压以及纤维蛋白原水平呈正相关(r=4.89、5.37、6.47,P均<0.05),下肢动脉IMT与血糖及纤维蛋白原水平呈正相关(r=4.83、5.38、6.68,P均<0.05).结论 血纤维蛋白原水平与短暂性脑缺血发作、单/多发腔隙性脑梗死患者颈动脉及下肢动脉粥样硬化程度呈正相关.%Objective To analyzes carotid/lower limb atheromatous plaque in patients with transient ischemic attack(TIA)、single/multiple lacunar cerebral infarction and explore the relationship between carotid/lower limb atherosclerosis and the levels of plasma fibrinogen.Methods In one hundred and seventy-eight cases of TIA or single/multiple lacunar cerebral infarction, the location, size, number, nature of carotid/lower limb atheromatous plaque, diameter of artety and intima-media thickness (IMT)of bifurcation of common carotid artery were assessed by Doppler ultrasonography, and other related indexes, such as blood pressure and the level of plasma fibirinogen were also evaluated.Results The carotid

  9. Habitual physical activity and vascular aging in a young to middle-age population at low cardiovascular risk

    DEFF Research Database (Denmark)

    Kozakova, Michaela; Palombo, Carlo; Mhamdi, Leila

    2007-01-01

    BACKGROUND AND PURPOSE: Regular endurance exercise has been shown to reduce the age-related increase in arterial stiffness that is thought to contribute to cardiovascular risk. The aim of this study was to evaluate the influence of age and habitual physical activity on carotid artery wall thickness...... by the Framingham prediction score sheet. All subjects underwent B-mode ultrasonography of the extracranial carotid arteries and physical activity assessment by actigraph, an accelerometer capable of monitoring the intensity and duration of body movements. The intima-media thickness of the common carotid artery...... was measured on ultrasound images, along with systodiastolic changes in luminal diameter, and indices of carotid stiffness were calculated. RESULTS: Intima-media thickness and carotid stiffness increased with age in both men and women (r=0.24 to 0.52, P

  10. 阵发性室上性心动过速合并高血压患者颈动脉超声检查的意义%Significance of carotid ultrasonography in patients with paroxysmal supraventricular tachycardia and hypertension

    Institute of Scientific and Technical Information of China (English)

    陈绍琦; 郑宝群

    2014-01-01

    Objective To explore the significance of carotid ultrasonography in patients with paroxysmal supraventricular tachycardia and hypertension.Methods 120 cases of paroxysmal supraventricular tachycardia and hypertension underwent high-frequency color Doppler ultrasound to measure carotid artery diameter and intima-media thickness (IMT).Selected 113 cases of simple hypertension as the control group.Results Incidences of carotid artery plaque and thickening IMT of patients with paroxysmal supraventricular tachycardia and hypertension were 82.5% and 75.4% respectively,significantly higher than 30.7% and 41.3%of the control group (P < 0.05).Left and right IMT of patients with paroxysmal supraventricular tachycardia and hypertension were (0.96 ± 0.13) mm and (0.98 ± 0.10) mm,significantly different from (0.68 ± 0.07) mm and (0.70 ± 0.08) mm of the control group (P < 0.01).Left and right carotid artery diameter of patients with paroxysmal supraventricular tachycardia and hypertension were (0.77 ± 0.12) mm and (0.73 ± 0.10) mm,those of the control group were (0.68 ± 0.06) mm and (0.69 ± 0.07) mm,without statistically significant difference (P > 0.05).Conclusion The incidence of carotid atherosclerosis in patients with paroxysmal supraventricular tachycardia and hypertension increased.%目的 探讨阵发性室上性心动过速合并高血压患者颈动脉超声检查的意义.方法 应用高频彩色多普勒超声对120例阵发性室上性心动过速合并高血压患者行颈动脉超声检查,测量颈动脉血管内径、内-中膜厚度.选取113例单纯性高血压患者为对照组.结果 阵发性室上性心动过速合并高血压患者的颈动脉斑块检出率、内-中膜增厚率分别为82.5%和75.4%,与单纯高血压组的30.7%和41.3%比较,差异有统计学意义;在左、右侧内-中膜厚度方面,前者分别为(0.96±0.13) mm和(0.98±0.10) mm,与单纯高血压组的(0.68±0.07) mm和(0.70±0.08) mm比较,差

  11. Systolic blood pressure reactivity during submaximal exercise and acute psychological stress in youth

    Science.gov (United States)

    Background: Studies in youth show an association between systolic blood-pressure (SBP) reactivity to acute psychological stress and carotid artery intima-media thickness (CIMT). However, it has not yet been determined whether SBP reactivity during submaximal exercise is also associated with CIMT i...

  12. Traditional and non-traditional risk factors contribute to the development of accelerated atherosclerosis in patients with systemic lupus erythematosus

    NARCIS (Netherlands)

    de Leeuw, K.; Freire, B.; Srnit, A. J.; Bootsma, H.; Kallenberg, C. G.; Bijl, M.

    2006-01-01

    To determine risk factors of accelerated atherosclerosis in patients with systemic lupus erythematosus (SLE), 72 patients with inactive disease and 36 age- and sex-matched controls were included. The intima-media thickness (IMT) of the common carotid artery was determined by ultrasound. Traditional

  13. Pro-Inflammatory Markers in Relation to Cardiovascular Disease in HIV Infection. A Systematic Review

    NARCIS (Netherlands)

    Vos, Alinda G; Idris, Nikmah S; Barth, Roos E; Klipstein-Grobusch, Kerstin; Grobbee, Diederick E

    2016-01-01

    BACKGROUND: In the past years many inflammatory markers have been studied in association with clinically manifest cardiovascular disease (CVD) and carotid intima-media thickness (CIMT) in HIV-infected patients, to obtain insights in the increased cardiovascular risk observed in HIV infection. This s

  14. Predictive value of updating framingham risk scores with novel risk markers in the U.S. general population

    NARCIS (Netherlands)

    B.S. Ferket (Bart); B.J.H. van Kempen (Bob); M.G.M. Hunink (Myriam); I. Agarwal (Isha); M. Kavousi (Maryam); O.H. Franco (Oscar); E.W. Steyerberg (Ewout); W. Max (Wendy); K.E. Fleischmann (Kirsten)

    2014-01-01

    textabstractBackground: According to population-based cohort studies CT coronary calcium score (CTCS), carotid intima-media thickness (cIMT), high-sensitivity C- reactive protein (CRP), and ankle-brachial index (ABI) are promising novel risk markers for improving cardiovascular risk assessment. Thei

  15. Rationale and design of a trial on the effect of high dose statins on cardiovascular risk in adults after successful coarctation repair

    NARCIS (Netherlands)

    Luijendijk, Paul; Bouma, Berto J.; Vriend, Joris W. J.; Groenink, Maarten; Vliegen, Hubert W.; de Groot, Eric; Pieper, Petronella G.; van Dijk, Arie P. J.; Sieswerda, Gertjan T.; Veen, Gerrit; Zwinderman, Aeilko H.; Mulder, Barbara J. M.

    2012-01-01

    Background: HMG-coA-reductase-inhibitors (statins) have been proven to reduce atherosclerosis progression as observed by carotid intima-media thickness in patients with known coronary heart disease, independent of lipid lowering. Cardiovascular complications are common in patients after successful c

  16. Silent Ischemic Heart Disease and Pericardial Fat Volume in HIV-Infected Patients

    DEFF Research Database (Denmark)

    Kristoffersen, Ulrik S; Lebech, Anne-Mette; Wiinberg, Niels;

    2013-01-01

    to determine the prevalence of asymptomatic ischemic heart disease (IHD) in HIV patients by myocardial perfusion scintigraphy (MPS) and to determine the value of coronary artery calcium score (CACS), carotid intima-media thickness (cIMT) and pericardial fat volume as screening tools for detection...

  17. High resolution ultrasound and arterial wall changes in early atherosclerosis

    Science.gov (United States)

    Renton, Sophie Caroline

    Non-invasive vascular testing evolved initially to meet the needs of the surgeon to identify haemodynamically significant lesions. However, with refinement of techniques and the development of high resolution ultrasound, it has become possible to detect early lesions and to measure the thickness of die arterial wall with an accuracy of 0.2mm. Such measurements have epidemiological and prognostic potential. They may allow the study of progression (or regression) of atherosclerotic disease before symptoms develop. The aim of this thesis was to assess the value of arterial wall measurements of intima-media thickness and compliance of the common carotid artery in the prediction of early atherosclerotic disease. Four different anatomical patterns of carotid bulb morphology have been identified, according to the position of the bulb origin in relation to the flow divider. It has been demonstrated that bulb morphology influences the site of early plaque formation. The presence of plaque at the carotid and femoral bifurcations was found to be associated with increased intima-media thickening of the common carotid artery. Histological analysis of common carotid arteries taken at post-mortem showed that this diffuse intima-media thickening is the result of deposition of cholesterol crystals, medial atrophy, fatty and fibrous change, and accumulation of necrotic debris, the features characteristic of plaques, even though discrete plaques rarely occur at this site. Subsequently, a number of clinical studies were undertaken which demonstrated that the intima-media thickness is increased in diabetics, hypopituitary patients and claudicants as compared to controls. It was found that the intima-media thickness of the common carotid artery could be used to predict the presence of bifurcation plaques and macrovascular disease. The work of this thesis has demonstrated that high resolution ultrasound is a powerful technique for die study of the arterial wall and should be tested in

  18. Study on the relationship of serum sP-selectin and hs-CRP with carotid arteriosclerosis in patients with acute ischemic stroke%急性缺血性卒中患者血清可溶性P-选择素、hs-CRP水平与颈动脉粥样硬化关系的研究

    Institute of Scientific and Technical Information of China (English)

    冯秋菊; 刘振伟; 万琦

    2014-01-01

    Objective It is tO investigate the assOciatiOn between levels Of serum sP -selectin,hs -CRP and extracranial carOtid arteriOsclerOsis in patients with acute ischemic strOke. Methods 120 inpatients with acute ischemic strOke attacking within 72 hOurs were selected and the serum sP-selectin,hs-CRP were measured by ELISA. A cOlOr DOppler ultrasOund sys-tem was used tO detect the plaque Of carOtid artery. Results The serum cOncentratiOns Of sP-selectin were different when the intima-media thickness Of ECCA,the nature Of plaque and the level Of carOtid artery stenOsis were different(P 0. 05). Conclusion The severer ex-tracranial carOtid atherOsclerOsis is the higher the serum cOncentratiOns Of sP -selectin are in acute ischemic strOke patients. There is a pOsitive relatiOnship between serum sP-selectin and carOtid atherOsclerOsis,and the activity is mOre sensitive than Hs-CRP in the detectiOn Of carOtid atherOsclerOsis.%目的:研究急性缺血性卒中患者血清可溶性 P-选择素( sP-selectin)、高敏 C反应蛋白( hs-CRP)水平与颈动脉粥样硬化程度的关系。方法选择发病72 h 内急性脑梗死患者120例,采用ELISA法测定患者血清sP-selectin及hs-CRP浓度,并应用颈动脉超声对斑块特点进行分析。结果不同颈总动脉内-中膜厚度、不同颈动脉斑块性质、不同颈动脉狭窄程度时,sP-selectin水平存在显著性差异( P<0.05);随着颈总动脉内-中膜厚度越厚,颈动脉斑块稳定性越差,颈动脉狭窄程度越重,sP -selectin 水平越高,而 hs -CRP 差异不显著。结论急性缺血性卒中患者sP-selectin水平随着颅外段颈动脉粥样硬化程度加重而升高,sP-selectin与动脉粥样硬化呈正相关;且较 hs-CRP更好地反映了颈动脉粥样硬化的程度。

  19. 超声检测股动脉、腹主动脉及颈动脉粥样硬化与冠状动脉粥样硬化的相关性%Ultrasound study on correlation between atherosclerosis of femoral artery, abdominal aorta and carotid artery and coronary atherosclerosis

    Institute of Scientific and Technical Information of China (English)

    孙建群; 刘颖

    2012-01-01

    目的:探讨股动脉、腹主动脉及颈动脉粥样硬化与冠状动脉粥样硬化的相关性.方法:采用高频超声测量109例行冠状动脉造影术后1周的患者股动脉、腹主动脉及颈动脉的内-中膜厚度(IMT)、斑块积分及斑块数目.结果:股动脉、腹主动脉及颈动脉粥样硬化与冠状动脉粥样硬化呈正相关(P<0.01、P<0.05);股动脉斑块预测冠状动脉粥样硬化的灵敏度为89%,特异度为77%,准确度84%;腹主动脉斑块预测冠状动脉粥样硬化的灵敏度为73%,特异度为72%,准确度72%;颈动脉斑块预测冠状动脉粥样硬化的灵敏度为83%,特异度为79%,准确度82%.结论:超声检查股动脉、腹主动脉及颈动脉IMT及斑块可间接预测不同程度的冠状动脉粥样硬化;股动脉的灵敏度与准确度较腹主动脉更好.%AIM; To explore the correlation between atherosclerosis of femoral artery, abdominal aorta and carotid artery and coronary atherosclerosis using ultrasound. METHODS; The film thickness within (IMT, intima-media thickness) , patch integral and plaque numbers of the femoral artery, abdominal aorta and carotid artery were measured by ultrasound in 109 patients 1 week after coronary angiography. RESULTS: Atherosclerosis of the femoral artery, abdominal aorta and carotid artery were positively correlated with coronary atherosclerosis (P <0. 01, P <0. 05) . Sensitivity of the femoral artery plaque and coronary atherosclerosis was 88. 6% and specificity was 76. 9%. Sensitivity of abdominal aorta plaque and coronary atherosclerosis was 72. 9% and specificity was 71. 8%. Sensitivity of carotid artery plaque and coronary atherosclerosis was 82. 9% and specificity was 79. 5%. CONCLUSION; Ultrasonic imaging and detection of the femoral artery, abdominal aorta and carotid artery IMT and plaque can indirectly predict the different degrees of coronary atherosclerosis.

  20. Hypertrophy of IMC of carotid artery in Parkinson's disease is associated with L-DOPA, homocysteine, and MTHFR genotype.

    Science.gov (United States)

    Nakaso, Kazuhiro; Yasui, Kenichi; Kowa, Hisanori; Kusumi, Masayoshi; Ueda, Keigo; Yoshimoto, Yuko; Takeshima, Takao; Sasaki, Kiyohiro; Nakashima, Kenji

    2003-03-15

    In recent years, an intense interest has developed in the association between Parkinson's disease (PD) and hyperhomocysteinemia. Homocysteine (Hcy) is a neuronal excitotoxic amino acid, and is well known as a risk factor for vascular diseases. Some reports suggest that the administration of L-DOPA may promote hyperhomocysteinemia and idiopathic atherosclerosis. In this study, we report that a mild hypertrophy of the intima-media complex (IMC) of the carotid artery, which has been established as a marker for systemic atherosclerosis, is observed in PD patients compared with normal subjects. PD patients that were treated with L-DOPA for long durations showed a hypertrophic IMC, while the patients that were not treated with L-DOPA did not show any hypertrophic changes in the IMC. These hypertrophic changes were observed primarily in patients with a Hoehn-Yahr stage of 3-5. PD patients with hypertrophic IMC of the carotid artery also exhibited elevated plasma levels of Hcy associated with the C677T genotype of 5,10-methylenetetrahydrofolate reductase (MTHFR). Moreover, a prolonged duration of treatment with L-DOPA in patients with MTHFR T/T genotype enhanced the hypertrophy of IMC, compared with patients with the C/C or C/T genotype. These results suggest that hyperhomocysteinemia promoted by the C677T genotype of MTHFR and prolonged treatment with L-DOPA enhances atherosclerosis in PD patients and affects their general condition.

  1. A correlational study among diabetic’s carotid atherosclerosis and levels of glycated hemoglobin and serum uric acid%糖尿病患者颈动脉硬化与糖化血红蛋白、血尿酸(UA)水平的相关性

    Institute of Scientific and Technical Information of China (English)

    赵继国

    2015-01-01

    Objective: To compare carotid atherosclerosis and levels of glycated hemoglobin and serum uric acid in patients with diabetes. Methods: 148 cases were divided into 3 groups according to blood glucose values. Glycated hemoglobin levels and UA were compared between groups respectively; glycosylated hemoglobin and UA in patients were detected. Then carotid intimal changes were observed by B ultrasound; and the patients were divided into normal group, intima intima thickening group, the plaque formation group and the vascular stenosis group. Results: Glycosylated hemoglobin and UA in the first group were significantly higher than those in other groups; the difference was statistically signiifcant (P<0.01). In 3 groups of diabetic patients, UA values had signiifcant difference between two groups (P<0.05). Glycosylated hemoglobin and UA value in the carotid intimal abnormal group were signiifcantly higher than those in normal endometrium group; the difference was statistically signiifcant (P<0.01). The carotid artery intima-media thickness (IMT) thickening, UA, glycosylated hemoglobin levels also were gradually increased; the difference was statistically signiifcant (P<0.05). Conclusion: There is a positive correlation relationship among glycated hemoglobin, the level of UA and IMT thickness in diabetic patients (P<0.01).%目的:比较糖尿病患者糖化血红蛋白(HbA1c)、血尿酸(UA)水平与颈动脉硬化程度的相关性。方法:将148例糖尿病患者按血糖值的不同分为3组,分别是空腹血糖大于18mmol/L,大于13mmol/L小于18mmol/L,大于11.1mmol/L小于13mmol/L。比较各组间糖化血红蛋白、UA水平;对各例患者分别检测糖化血红蛋白、UA,B超观察颈动脉内膜变化,并将患者分为内膜正常组、内膜增厚组、斑块形成组和管腔狭窄组,比较各组间糖化血红蛋白、UA水平。结果:第一组患者糖化血红蛋白、UA显著高于二三组患者,

  2. Koroner Arter Kalsiyum Skor İndeksi ile Karotis ve Yüzeyel Femoral Arterlerin İntima Media Kalınlıkları Arasındaki İlişkinin Değerlendirilmesi

    OpenAIRE

    VARDI, Eşref Cem; BOZGEYİK, Zülkif; POYRAZ, Ahmed Kürşad; Onur, Mehmet Ruhi

    2012-01-01

    Objective: To investigate the relationship between intima-media thicknesses (IMT) of carotid and superficial femoral arteries and coronary artery calcium index quantified using Agatston score. Materials and Methods: Cardiac multidetector computed tomography (MDCT) angiography of 75 patients were included in the study. Coronary artery calcium scores were measured using a workstation. Calcium scores were calculated according to the Agatston method. Bilateral carotid artery and superficial f...

  3. Inflammatory markers and extent and progression of early atherosclerosis

    DEFF Research Database (Denmark)

    Willeit, Peter; Thompson, Simon G; Agewall, Stefan

    2016-01-01

    BACKGROUND: Large-scale epidemiological evidence on the role of inflammation in early atherosclerosis, assessed by carotid ultrasound, is lacking. We aimed to quantify cross-sectional and longitudinal associations of inflammatory markers with common-carotid-artery intima-media thickness (CCA...... in its assessment within a limited time period. Our findings for 'inflammatory load' suggest important combined effects of the three inflammatory markers on early atherosclerosis....

  4. Imaging of inflamed carotid artery atherosclerotic plaques with the use of {sup 99m}Tc-HYNIC-IL-2 scintigraphy in end-stage renal disease patients

    Energy Technology Data Exchange (ETDEWEB)

    Opalinska, Marta; Pach, Dorota; Sowa-Staszczak, Anna; Glowa, Boguslaw; Hubalewska-Dydejczyk, Alicja [Jagiellonian University Medical School, Nuclear Medicine Unit, Department of Endocrinology, Cracow (Poland); Stompor, Tomasz [University of Warmia and Mazury in Olsztyn, Department of Nephrology, Hypertensiology and Internal Medicine, Faculty of Medicine, Olsztyn (Poland); Mikolajczak, Renata; Garnuszek, Piotr; Maurin, Michal; Karczmarczyk, Urszula [National Centre for Nuclear Research Radioisotope Centre POLATOM, Otwock (Poland); Fedak, Danuta [Jagiellonian University Medical School, Clinical Biochemistry, Cracow (Poland); Krzanowski, Marcin; Sulowicz, Wladyslaw [Jagiellonian University Medical School, Department of Nephrology, Cracow (Poland); Rakowski, Tomasz [Jagiellonian University Medical School, 2nd Department of Cardiology, Institute of Cardiology, Cracow (Poland)

    2012-04-15

    Identification of vulnerable plaques remains crucial for better cardiovascular risk assessment. At least 20% of inflammatory cells within unstable (vulnerable) plaques comprise T lymphocytes, which contain receptors for interleukin-2 (IL-2); those receptors can be identified by scintigraphy with radiolabelled IL-2.The aim of this study was to identify the ''inflamed'' (vulnerable) plaques by scintigraphy using IL-2 labelled with {sup 99m}Tc in the selected, high cardiovascular risk group of end-stage renal disease (ESRD) patients. A total of 28 patients (18 men, 10 women, aged 55.2 {+-} 9.6 years, 17 on peritoneal dialysis, 11 on haemodialysis) underwent common carotid artery (CCA) scintigraphy with the use of {sup 99m}Tc-hydrazinonicotinamide (HYNIC)-IL-2. In all cases, ultrasound examination of the CCA was performed and levels of selected proinflammatory factors, atherogenic markers and calcium-phosphate balance parameters were measured. Finally, the target to non-target (T/nT) ratio of IL-2 uptake in atherosclerotic plaques with intima-media thickness (IMT), classic cardiovascular risk factors and concentrations of the measured factors were compared. Increased {sup 99m}Tc-HYNIC-IL-2 uptake in atherosclerotic plaques in 38/41 (91%) cases was detected. The median T/nT ratio of focal {sup 99m}Tc-HYNIC-IL-2 uptake in atherosclerotic plaques was 2.35 (range 1.23-3.63). The mean IMT value on the side of plaques assessed by scintigraphy was 0.79 {+-} 0.18 mm (median 0.8, range 0.5-1.275). Correlations between T/nT ratio and homocysteine (R = 0.22, p = 0.037), apolipoprotein B (apoB) (R = 0.31, p = 0.008), apoB to apoA-I ratio (R = 0.29, p = 0.012) and triglyceride concentration (R = 0.26, p = 0.021) were detected. A lower T/nT ratio in patients with better parameters of nutritional status (haemoglobin, albumin, adiponectin) in comparison with patients with worse nutritional parameters (3.20 {+-} 0.5 vs 2.16 {+-} 0.68, p = 0.025) was revealed as well

  5. 评价颈部血管超声在脑卒中危险因素人群筛查中的作用%Evaluation of Sonographic Sceening Carotid in Stroke with Numerous Risk Factors

    Institute of Scientific and Technical Information of China (English)

    张晶; 张小英

    2014-01-01

    Objective To examine ultrasound assessment of the carotid artery in population with lots of risk factors for stroke.Methods We detected the carotid artery in the resident population who had risk factors of the stroke with color doppler sonogaphy , with age of more than or 45 years old, living at some district in Beijing .Results A total of 821 individuals with age of more than or 45 year-old had haz-ard to stroke , a 85.6%of among them had a good compliance to finishing sonographic screening the carotid artery .Re-sults were as follow:the rate of stenosis detected was 43.4%(305/703),among those on left common carotid 90 cases were less than 50%, 2 cases range from 50%to 69%, only one range from 70%to 99%, respectively;on the left inter-nal carotid artery , one case was occlusion , 3 cases were stenosis range from 70%to 99%, 3 range from 50~69%, 70 less than 50%,respectively;on the right common carotid:78 were less than 50%, 4 range from 50%to 69%, on right internal common carotid:3 range from 70%to 99%, 1 range from 50%to 69%,81 cases less than 50%,respectively. The intima-media thickness increased 10.2% on left, 9.5% on right, respectively.Conclusions In community -based screening the habitants with any risk factors for stroke , ultrasound assessment of carotid artery is an efficiency mo-dality, and forecasts the existence of stenosis with high precision .It is recommended that it is of important demand for populations with risk for stroke to have ultrasound evaluation of the carotid artery as a routine check -up.Timely detec-tion and diagnosis are of clinical significance for individuals with risk stroke , as this facilitates the administration of pre-ventive treatment , particularly for preventing the morbidity and mortality correlate with the occurrence and recurrence of cerebral infarction and trasient ischemic accident .It is available that ultrasound assessment of the carotid artery plays a pivital role in the public watchfulness for healthy , assists

  6. Accurate cloud-based smart IMT measurement, its validation and stroke risk stratification in carotid ultrasound: A web-based point-of-care tool for multicenter clinical trial.

    Science.gov (United States)

    Saba, Luca; Banchhor, Sumit K; Suri, Harman S; Londhe, Narendra D; Araki, Tadashi; Ikeda, Nobutaka; Viskovic, Klaudija; Shafique, Shoaib; Laird, John R; Gupta, Ajay; Nicolaides, Andrew; Suri, Jasjit S

    2016-08-01

    This study presents AtheroCloud™ - a novel cloud-based smart carotid intima-media thickness (cIMT) measurement tool using B-mode ultrasound for stroke/cardiovascular risk assessment and its stratification. This is an anytime-anywhere clinical tool for routine screening and multi-center clinical trials. In this pilot study, the physician can upload ultrasound scans in one of the following formats (DICOM, JPEG, BMP, PNG, GIF or TIFF) directly into the proprietary cloud of AtheroPoint from the local server of the physician's office. They can then run the intelligent and automated AtheroCloud™ cIMT measurements in point-of-care settings in less than five seconds per image, while saving the vascular reports in the cloud. We statistically benchmark AtheroCloud™ cIMT readings against sonographer (a registered vascular technologist) readings and manual measurements derived from the tracings of the radiologist. One hundred patients (75 M/25 F, mean age: 68±11 years), IRB approved, Toho University, Japan, consisted of Left/Right common carotid artery (CCA) artery (200 ultrasound scans), (Toshiba, Tokyo, Japan) were collected using a 7.5MHz transducer. The measured cIMTs for L/R carotid were as follows (in mm): (i) AtheroCloud™ (0.87±0.20, 0.77±0.20); (ii) sonographer (0.97±0.26, 0.89±0.29) and (iii) manual (0.90±0.20, 0.79±0.20), respectively. The coefficient of correlation (CC) between sonographer and manual for L/R cIMT was 0.74 (P<0.0001) and 0.65 (P<0.0001), while, between AtheroCloud™ and manual was 0.96 (P<0.0001) and 0.97 (P<0.0001), respectively. We observed that 91.15% of the population in AtheroCloud™ had a mean cIMT error less than 0.11mm compared to sonographer's 68.31%. The area under curve for receiving operating characteristics was 0.99 for AtheroCloud™ against 0.81 for sonographer. Our Framingham Risk Score stratified the population into three bins as follows: 39% in low-risk, 70.66% in medium-risk and 10.66% in high-risk bins

  7. Carotid artery stenting will replace carotid endarterectomy.

    Science.gov (United States)

    McCormick, Daniel J; Vlad, Tudor; Fasseas, Panayotis

    2007-09-01

    Stroke is the third leading cause of death in the United States. Carotid artery stenosis represents one of the most common etiologies of stroke. The current treatment modalities available for the treatment of carotid artery stenosis are carotid endarterectomy (CEA) and carotid artery stenting (CAS). Several clinical trials comparing CEA with medical management showed superiority of the surgical arm; however, the applicability of these results to the general population is limited by the fact that the patients and surgeons enrolled in these trials were carefully selected, and the optimal medical therapy used does not meet the current treatment standards. Carotid artery stenting has emerged as a treatment alternative to CEA, as shown in randomized trials comparing the 2 treatment modalities. Recent data from large-volume CAS registries indicate that percutaneous treatment of carotid artery stenosis compares favorably to CEA. Furthermore, the CAS trial designs make these results more applicable to the community standards. These data suggest that CAS will become the treatment of choice in patients with carotid artery stenosis.

  8. Optical coherence tomography layer thickness characterization of a mock artery during angioplasty balloon deployment

    Science.gov (United States)

    Azarnoush, Hamed; Vergnole, Sébastien; Boulet, Benoît; Lamouche, Guy

    2011-03-01

    Optical coherence tomography (OCT) is used to study the deformation of a mock artery in an angioplasty simulation setup. An OCT probe integrated in a balloon catheter provides intraluminal real-time images during balloon inflation. Swept-source OCT is used for imaging. A 4 mm semi-compliant polyurethane balloon is used for experiments. The balloon is inflated inside a custom-built multi-layer artery phantom. The phantom has three layers to mock artery layers, namely, intima, media and adventitia. Semi-automatic segmentation of phantom layers is performed to provide a detailed assessment of the phantom deformation at various inflation pressures. Characterization of luminal diameter and thickness of different layers of the mock artery is provided for various inflation pressures.

  9. Carotid Stump Syndrome

    Directory of Open Access Journals (Sweden)

    Lara Toufic Dakhoul MD

    2014-08-01

    Full Text Available Objectives. To highlight the case of a patient with multiple transient ischemic attacks and visual disturbances diagnosed with carotid stump syndrome and managed with endovascular approach. Case Presentation. We present the case of a carotid stump syndrome in an elderly patient found to have moderate left internal carotid artery stenosis in response to an advertisement for carotid screening. After a medical therapeutic approach and a close follow-up, transient ischemic attacks recurred. Computed tomographic angiography showed an occlusion of the left internal carotid artery and the presence of moderate stenosis in the right internal carotid artery, which was treated by endovascular stenting and balloon insertion. One month later, the patient presented with visual disturbances due to the left carotid stump and severe stenosis of the left external carotid artery that was reapproached by endovascular stenting. Conclusion. Considerations should be given to the carotid stump syndrome as a source of emboli for ischemic strokes, and vascular assessment could be used to detect and treat this syndrome.

  10. The relationship of carotid,femoral atherosclerosis and its related factors with cerebral infarction%颈动脉、股动脉粥样硬化及其相关因素与脑梗死的关系

    Institute of Scientific and Technical Information of China (English)

    于峰; 姚晓霞; 韩伏莅

    2012-01-01

    目的:探讨脑梗死患者颈动脉、股动脉粥样硬化及其相关因素的关系.方法:对409例脑梗死患者(脑梗死组)与104例非脑梗死患者(对照组)行颈动脉、股动脉血管超声检查和血液生化检查,比较2组间动脉粥样硬化斑块及其相关危险因素.结果:脑梗死组颈总、颈内、股总动脉斑块检出率分别为75.1%、66.5%、38.1%,均明显高于对照组的25.0%、20.2%和16.3%(P<0.01);脑梗死组颈动脉内中膜厚度(IMT)(1.5±0.42) mm及斑块积分(2.74±0.15)、股动脉IMT(1.34±0.37) mm及斑块积分(2.26±0.29)均明显高于对照组颈动脉IMT(0.9±0.53) mm及斑块积分(1.13±0.27)、股动脉IMT(0.79±0.31) mm及斑块积分(1.03±0.16)(P<0.01);脑梗死组总胆固醇、甘油三酯、低、高密度脂蛋白胆固醇、纤维蛋白原和尿酸水平均高于对照组(P<0.05~P<0.01).结论:高脂血症、高尿酸血症、颈动脉斑块及股动脉斑块是脑梗死的危险因素;通过检查血脂、血尿酸、颈动脉斑块、股动脉斑块可早期预防脑梗死,降低脑梗死的患病率及致残率.%Objective: To evaluate the relationship of carotid, femoral atherosclerosis and its related factors with cerebral infarction .Methods: Four hundred and nine patients with cerebral infarction were detected by Cobr Doppler and the levels of cholesterol, triglyceride, low density lipoprotein, high density lipoprotein, fibrinogen, uric acid were evaluated, and compared with those of 104 patients who had no cerebral infarction in control group. Results: The plaque detection rates of cerebral carotid, internal carotid and fenoral artery were 75.1% ,66.5% ,38.1% , respectively, which were significantly higher than tiose in control group,25. 0% ,20. 2% and 16.3%(P <0. 01). Carotid artery intima-media thickness( MT) (1. 5 ±0.42) mm and plaque score(2. 74 ±0. 15), femoral artery MT(1.34 ±0. 37) mm and plaque score(2. 26 ±0. 29) in cerebral infarction group were significantly higher

  11. Repeated Blood Pressure Measurements in Childhood in Prediction of Hypertension in Adulthood.

    Science.gov (United States)

    Oikonen, Mervi; Nuotio, Joel; Magnussen, Costan G; Viikari, Jorma S A; Taittonen, Leena; Laitinen, Tomi; Hutri-Kähönen, Nina; Jokinen, Eero; Jula, Antti; Cheung, Michael; Sabin, Matthew A; Daniels, Stephen R; Raitakari, Olli T; Juonala, Markus

    2016-01-01

    Hypertension may be predicted from childhood risk factors. Repeated observations of abnormal blood pressure in childhood may enhance prediction of hypertension and subclinical atherosclerosis in adulthood compared with a single observation. Participants (1927, 54% women) from the Cardiovascular Risk in Young Finns Study had systolic and diastolic blood pressure measurements performed when aged 3 to 24 years. Childhood/youth abnormal blood pressure was defined as above 90th or 95th percentile. After a 21- to 31-year follow-up, at the age of 30 to 45 years, hypertension (>140/90 mm Hg or antihypertensive medication) prevalence was found to be 19%. Carotid intima-media thickness was examined, and high-risk intima-media was defined as intima-media thickness >90th percentile or carotid plaques. Prediction of adulthood hypertension and high-risk intima-media was compared between one observation of abnormal blood pressure in childhood/youth and multiple observations by improved Pearson correlation coefficients and area under the receiver operating curve. When compared with a single measurement, 2 childhood/youth observations improved the correlation for adult systolic (r=0.44 versus 0.35, Pblood pressure. In addition, 2 abnormal childhood/youth blood pressure observations increased the prediction of hypertension in adulthood (0.63 for 2 versus 0.60 for 1 observation, P=0.003). When compared with 2 measurements, third observation did not provide any significant improvement for correlation or prediction (P always >0.05). A higher number of childhood/youth observations of abnormal blood pressure did not enhance prediction of adult high-risk intima-media thickness. Compared with a single measurement, the prediction of adult hypertension was enhanced by 2 observations of abnormal blood pressure in childhood/youth.

  12. Cocoa intake and arterial stiffness in subjects with cardiovascular risk factors

    Directory of Open Access Journals (Sweden)

    Recio-Rodríguez José

    2012-02-01

    Full Text Available Abstract Background To analyze the relationship of cocoa intake to central and peripheral blood pressure, arterial stiffness, and carotid intima-media thickness in subjects with some cardiovascular risk factor. Findings Design: A cross-sectional study of 351 subjects (mean age 54.76 years, 62.4% males. Measurements: Intake of cocoa and other foods using a food frequency questionnaire, central and peripheral (ambulatory and office blood pressure, central and peripheral augmentation index, pulse wave velocity, ambulatory arterial stiffness index, carotid intima-media thickness, and ankle-brachial index. Results: Higher pulse wave velocity and greater cardiovascular risk were found in non-cocoa consumers as compared to high consumers (p Conclusions In subjects with some cardiovascular risk factors, cocoa consumption does not imply improvement in the arterial stiffness values. Trial Registration Clinical Trials.gov Identifier: NCT01325064.

  13. ИНТЕГРАЛЬНЫЙ ПОДХОД К ОЦЕНКЕ ВЗАИМОСВЯЗИ ИЗМЕНЕНИЙ ПОКАЗАТЕЛЕЙ ИММУННОГО СТАТУСА И МАРКЁРОВ НЕСПЕЦИФИЧЕСКОГО ВОСПАЛЕНИЯ ПРИ ИБС

    Directory of Open Access Journals (Sweden)

    Е. И. Соколов

    2013-01-01

    Full Text Available We carried out a comprehensive evaluation of cellular and humoral immunity, nonspecific inflammation markers and their relationship to the thickness of the intima-media of the carotid arteries and the impact of changes in these parameters on the nature of coronary artery disease. The study included 44 patients with chronic forms of coronary artery disease and 35 healthy individuals. In patients with ischemic heart disease has changed mainly of innate immunity, such as the activation of NK-cells (CD16, CD 56, CD 4+CD25+, with regulatory activity in respect of the synthesis of pro- and — inflammatory and anti-inflammatory cytokines, as well as an increase in the level of antiphospholipid antibodies, CRP and the thickness of the complex of intima-media of the carotid arteries, the degree of change in the links of the immunity reflects the severity of the disease.

  14. Obstructive Sleep Apnea, Hypertension, and Their Additive Effects on Atherosclerosis

    OpenAIRE

    Mario Francesco Damiani; Annapaola Zito; Pierluigi Carratù; Vito Antonio Falcone; Elioda Bega; Pietro Scicchitano; Marco Matteo Ciccone; Onofrio Resta

    2015-01-01

    Background and Aims. It is widely accepted that obstructive sleep apnea (OSA) is independently associated with atherosclerosis. Similar to OSA, hypertension (HTN) is a condition associated with atherosclerosis. However, to date, the impact of the simultaneous presence of OSA and HTN on the risk of atherosclerosis has not been extensively studied. The aim of this study was to evaluate the consequences of the coexistence of OSA and HTN on carotid intima-media thickness (IMT) and on inflammatory...

  15. Lifestyle and metabolic factors in relation to shoulder pain and rotator cuff tendinitis: A population-based study

    Directory of Open Access Journals (Sweden)

    Jula Antti

    2010-07-01

    Full Text Available Abstract Background Shoulder pain is a common health problem. The purpose of this study was to assess the associations of lifestyle factors, metabolic factors and carotid intima-media thickness with shoulder pain and chronic (> 3 months rotator cuff tendinitis. Methods In this cross-sectional study, the target population consisted of subjects aged 30 years or older participating in a national Finnish Health Survey during 2000-2001. Of the 7,977 eligible subjects, 6,237 (78.2% participated in a structured interview and clinical examination. Chronic rotator cuff tendinitis was diagnosed clinically. Weight-related factors, C-reactive protein and carotid intima-media thickness were measured. Results The prevalence of shoulder joint pain during the preceding 30 days was 16% and that of chronic rotator cuff tendinitis 2.8%. Smoking, waist circumference and waist-to-hip ratio were related to an increased prevalence of shoulder pain in both genders. Metabolic syndrome, type 2 diabetes mellitus and carotid intima-media thickness were associated with shoulder pain in men, whereas high level of C-reactive protein was associated with shoulder pain in women. Increased waist circumference and type 1 diabetes mellitus were associated with chronic rotator cuff tendinitis in men. Conclusions Our findings showed associations of abdominal obesity, some other metabolic factors and carotid intima-media thickness with shoulder pain. Disturbed glucose metabolism and atherosclerosis may be underlying mechanisms, although not fully supported by the findings of this study. Prospective studies are needed to further investigate the role of lifestyle and metabolic factors in shoulder disorders.

  16. Low Levels of CD36 in Peripheral Blood Monocytes in Subclinical Atherosclerosis in Rheumatoid Arthritis: A Cross-Sectional Study in a Mexican Population

    OpenAIRE

    Eduardo Gómez-Bañuelos; Beatriz Teresita Martín-Márquez; Erika Aurora Martínez-García; Mauricio Figueroa-Sanchez; Lourdes Nuñez-Atahualpa; Alberto Daniel Rocha-Muñoz; Pedro Ernesto Sánchez-Hernández; Rosa Elena Navarro-Hernandez; Perla Monserrat Madrigal-Ruiz; Adan Alberto Saldaña-Millan; Sergio Duran-Barragan; Laura Gonzalez-Lopez; Jorge Ivan Gamez-Nava; Mónica Vázquez-Del Mercado

    2014-01-01

    Patients with rheumatoid arthritis (RA) have a higher risk for atherosclerosis. There is no clinical information about scavenger receptor CD36 and the development of subclinical atherosclerosis in patients with RA. The aim of this study was to evaluate the association between membrane expression of CD36 in peripheral blood mononuclear cells (PBMC) and carotid intima-media thickness (cIMT) in patients with RA. Methods. We included 67 patients with RA from the Rheumatology Department of Hospita...

  17. Relationship of the total atrial conduction time to subclinical atherosclerosis, inflammation and echocardiographic parameters in patients with type 2 diabetes mellitus

    Directory of Open Access Journals (Sweden)

    Eftal Murat Bakirci

    2015-02-01

    Full Text Available OBJECTIVES: The aim of our study was to evaluate the total atrial conduction time and its relationship to subclinical atherosclerosis, inflammation and echocardiographic parameters in patients with type 2 diabetes mellitus. METHODS: A total of 132 patients with type 2 diabetes mellitus (mean age 54.5±9.6 years; 57.6% male and 80 age- and gender-matched controls were evaluated. The total atrial conduction time was measured by tissue-Doppler imaging and the carotid intima-media thickness was measured by B-mode ultrasonography. RESULTS: The total atrial conduction time was significantly longer in the patients with type 2 diabetes mellitus than in the control group (131.7±23.6 vs. 113.1±21.3, p<0.001. The patients with type 2 diabetes mellitus had significantly increased carotid intima-media thicknesses, neutrophil to lymphocyte ratios and high-sensitivity C-reactive protein levels than those of the controls. The total atrial conduction time was positively correlated with the high-sensitivity C-reactive protein level, neutrophil to lymphocyte ratio, carotid intima-media thickness and left atrial volume index and negatively correlated with the early diastolic velocity (Em, Em/late diastolic velocity (Am ratio and global peak left atrial longitudinal strain. A multiple logistic regression analysis demonstrated that the neutrophil to lymphocyte ratio, carotid intima-media thickness and global peak left atrial longitudinal strain were independent predictors of the total atrial conduction time. CONCLUSIONS: We suggest that subclinical atherosclerosis and inflammation may represent a mechanism related to prolonged total atrial conduction time and that prolonged total atrial conduction time and impaired left atrial myocardial deformation may be represent early subclinical cardiac involvement in patients with type 2 diabetes mellitus.

  18. Staged bilateral carotid endarterectomy

    DEFF Research Database (Denmark)

    Schroeder, T; Sillesen, H; Engell, Hans Christian

    1986-01-01

    In a series of 56 staged bilateral carotid endarterectomies, new neurologic symptoms developed in 5% and 20% following the first and second procedure, respectively. All complications were transient or minor. The incidence of postendarterectomy hypertension was significantly higher following...

  19. Análise estrutural e funcional carotídea em familiares de pacientes com diabete melito tipo 2 Estudio estructural y funcional carotídeo en familiares de pacientes con diabetes mellitus tipo 2 Carotid artery structural and functional evaluation in relatives of type 2 diabetic patients

    Directory of Open Access Journals (Sweden)

    Sônia Silva Prado

    2009-03-01

    vital importance. OBJECTIVE: To analyze the structural properties (intima-media thickness and functional properties (distensibility measurement of the carotid arteries in subjects with (FH+ a family history of type 2 diabetes, in comparison to subjects without (FH- a family history of type 2 diabetes, both groups with no known cardiovascular risk factors. METHODS: 32 individuals (male and female, age range, 21-47 years; 19 FH+, 13 FH- had their right and left common and internal carotid arteries measured, using high-resolution B-mode ultrasonography. Both groups had similar (p>0.05 age, BMI, blood pressure, and fasting blood glucose and insulin, leptin, and C-reactive protein (CRP levels. RESULTS: The intima-media thickness (IMT of the left common carotid artery (LCCA in the FH+ group (0.568±0.107mm was statistically greater (p=0.029 than in the FH- group (0.477±0.116mm. Multiple regression analysis identified age, overweight and obesity (determined by BMI, CRP, and LDL-cholesterol levels as independent predictors of the IMT in the LCCA. CONCLUSION: FH+ individuals with no metabolic disorders presented greater IMT of the left common carotid artery (structural alteration than FH- individuals, but normal vessel function. (Arq Bras Cardiol 2009;92(3: 186-192

  20. [Prognostic assessment for formation of a group of cardiovascular high risk among personnel participating in atomic submarines utilization].

    Science.gov (United States)

    Sosiukin, A E; Vasiliuk, V B; Ivanchenko, A V; Saenko, S A; Semenchuk, O A; Dokhov, M A; Verveda, A B

    2014-01-01

    Ultrasound scanning of main vessels (common carotid, internal carotid, common and superficial femoral, posterior tibial arteries) in staffers of shipyard "Nerpa"--branch of JSC "Shipbuilding center Zvezdochka" (Snezhnogorsk city Murmansk region)--engaged into atomic submarines utilization. Findings are atherosclerotic changes in common carotid and common femoral arteries--increased thickness of intima-media complex over the reference values or atherosclerotic plaque formation. The changes were maximal in a group of males aged over 50 with length of service over 25 years. Discriminant analysis helped to suggest a mathematic model to forecast cardiovascular diseases in personnel of "Nerpa" shipyard.