BACKGROUND Cardiovascular disease is the leading cause of mortality in type 2 diabetes. PWV correlates well with arterial distensibility and stiffness and a useful approach for evaluating the severity of systemic atherosclerosis in adults, and, in particular, the measurement of brachial-ankle PWV (baPWV) has been commonly reported as a simple, noninvasive and practicable method. baPWV was mainly affected by age, SBP and sex. And also, baPWV was affected by many different factors such as body weight, BMI, waist to hip ratio, HbA1c, microalbuminuria, triglyceride, gammaGTP, duration of DM. We evaluated determinants of 1-year changes of baPWV in patients with type 2 DM. METHODS: The study group comprised 189 diabetic patients who measured ankle brachial pressure index (ABI), baPWV at base line and 1-year later. The anthropometric parameters, blood pressure, pulse pressure, fasting plasma glucose (FBS), fasting insulin, A1c, lipid profile, hsCRP, microalbuminuria, AST/ALT, gammaGTP were also checked concurrently. We also analyzed correlation between change of baPWV and subject's medications. We retrospectively analyzed the relationship between the 1-year changes of baPWV and the other factors. All analyses were performed with the SPSS Version 14.0 and P values < 0.05 were considered significant. RESULTS: baPWV change was affected by systolic blood pressure change, diastolic blood pressure change, pulse pressure change, body weight, BMI, triglyceride change, insulin treatment and total cholesterol. Multiple regression analysis of the relationship between change of baPWV and other associated variables shows that the 1-year change of baPWV was significantly associated with the changes of blood pressure and insulin treatment in patients with type 2 DM. CONCLUSION: 1-year change of baPWV was significantly associated with the changes of blood pressure in patients with type 2 DM.
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BACKGROUND The clustering of cardiovascular risk factors is known as metabolic syndrome. In this study, the association between the brachial-ankle pulse wave velocity(baPWV), a novel non-invasive means of measuring atherosclerosis, and the cardiovascular risk factors of the metabolic syndrome were investigated. METHODS: The study group comprised 460 non-diabetic Koreans, male:female ratio 158:302, with a mean age of 52.4+/-11.3 years. The anthropometric parameters, blood pressure, fasting blood glucose(FBG), lipid profiles, ankle-brachial pressure index(ABI) and baPWV were measured in each subject. RESULTS: The ABI and baPWV levels were significantly higher in the men than the women. In both the men and women, the baPWV was closely associated with the cardiovascular risk factors of the metabolic syndrome. Those who had more metabolic syndrome components showed higher baPWV levels. Women with metabolic syndrome showed higher baPWV levels compared to those without (1517+/-281 vs. 1336+/-250, P<0.001). A multiple regression analysis showed the baPWV to be significantly associated with systolic blood pressure, age, gender, body mass index (BMI) and FBG (adjusted R-square 0.554). CONCLUSIONS: The present study shows that the baPWV was significantly associated with the features of metabolic syndrome, including the FBG, in non-diabetic Koreans.