Abstract
Background Arterial stiffness is well known as an important risk factor for coronary artery disease. In this study, we aimed to investigate the association between carotid-ankle pulse wave velocity (caPWV) and risk of coronary artery disease (CAD), and the interaction between pulse wave velocity (PWV) and other potential risk factors of CAD. Methods A community-based cross-sectional study was conducted for subjects living in Beijing, China. We collected 213 subjects with coronary artery disease and 1 266 subjects without CAD between September 2007 and January 2009 in a community center of Beijing. A multivariate Logistic regression analysis was carried out to assess the odds ratios of factors related to CAD. Results We found CAD subjects were more likely to have a higher body massindex (BMI), fasting glucose, uric acid, low-density lipoprotein (LDL) cholesterol, high-sensitivity Creactive protein (hs-CRP), carotic-femoral pulse wave velocity (cfPWV) and caPWV (P <0.05), and CAD subjects had a significantly lower HDL cholesterol levels (P <0.05). Moreover, the proportion of hypertension in CAD subjects was significantly higher than non-CAD subjects. The multiple Logistic regression analysis showed that hypertension, higher uric acid, hs-CRP, cfPWV and caPWV levels significantly increased the risk of CAD, with ORs (CI) of 1.47 (1.25–1.74), 1.17 (1.01–1.26), 1.35 (1.10–1.67), 1.15 (1.09–1.19) and 1.07 (1.01–1.15), respectively. Higher HDL cholesterol was significantly associated with reduced risk of CAD, with ORs (CI) of 0.58 (0.40–0.83). In addition, cfPWV had significant association with age, hypertension, LDL cholesterol, with Pearson's coefficients of 0.166, 0.074, and 0.030, respectively. Conclusions cfPWV and caPWV are independently associated with significant CAD, and cfPWV has significant correlation with age and hypertension. cfPWV and caPWV may be used as a practical tool for predicting the risk of CAD.
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