科研之友
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摘要
Arterial stiffness is an independent predictor for vascular diseases. Cardio-ankle vascular index (CAVI) is a new index of arterial stiffness. In the present study, we investigated the possible risk factors involving CAVI in hypertension and diabetes mellitus (DM) subjects. One thousand sixty-three subjects (M/F 533/530) from Shougang Corporation Examination Center were divided into four groups: healthy group (n = 639); hypertension group (n = 312); DM group (n = 58); and hypertension with DM group (n = 54). CAVI was measured by VS-1000 apparatus. Our results showed that CAVI was significantly higher in hypertension subjects with DM than in healthy and hypertension group, respectively (8.59 +/- 1.08 vs 7.23 +/- 1.10; 8.59 +/- 1.08 vs 7.94 +/- 1.33; both P < .05). CAVI was positively correlated with age, systolic blood pressure, diastolic blood pressure, pulse pressure, fasting plasma glucose, HbA1c, uric acid, total cholesterol, triglycerides in the entire group (r = 0.633, 0.280, 0.172, 0.269, 0.209, 0.254, 0.176, 0.129, 0.175; all P < .05, respectively). There was negatively correlation between CAVI and high-density lipoprotein cholesterol in the entire group (r = 0.167; P < .05). Multivariate analysis showed that age, body mass index, HbA1c, and high-density lipoprotein cholesterol were independent associating factors of CAVI in all subjects (beta = 0.699; P < .001, beta = -0.189; P = .001, beta = 0.144; P = .015, beta = -0.136; P = .019, respectively). Our present study suggested that CAVI was significantly higher in hypertension subjects with DM compared with healthy and hypertension groups.
