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Metabolic syndrome and risks of carotid atherosclerosis and cardiovascular events in community-based older adults in China

本文另有預刊版本,請見:10.6133/apjcn.201908/PP.0007

摘要


Background and Objectives: Previous studies on the importance of metabolic syndrome (MS) as a cardiovascular risk factor had not focused on older Chinese adults. The present study analyzed the association of MS with carotid atherosclerosis and the risk of cardiovascular events in Chinese adults. Methods and Study Design: Data of a representative cohort study with 5-year follow-up were used. Community-dwelling people (n=1257) aged ≥55 years without cardiovascular disease (CVD) at baseline were followed up from 2009 to 2014. MS was defined based on the Chinese Diabetes Society criteria under the Chinese Medical Association. Multiple regression analyses were performed to examine the associations of MS with atherosclerosis and CVD events, with adjustment for confounding factors. Results: In a multivariate logistic regression model with adjustment, MS was closely related to common carotid artery intima-media thickness (CCA-IMT) (1.62; 95% CI: 1.19-2.21) and carotid plaque presence (1.38; 95% CI: 1.01-1.89), but not with carotid artery stenosis. At the end of the 5-year follow-up, compared with subjects without MS, hazard ratios and 95% confidence intervals for the different risks in subjects with MS were 1.86 (1.02-3.29) for myocardial infarction (MI), 1.39 (1.01-2.05) for stroke, 1.52 (1.02-2.37) for CVD death, and 1.13 (0.62-2.58) for total death, after adjusting for age, gender, smoking, drinking, physical activity, uric acid, high-sensitivity C-reactive protein, dietary factors and carotid atherosclerosis status. Conclusions: MS was significantly associated with IMT and the presence of carotid plaque and with positively increased risks of MI, stroke, and CVD mortality independent of CVD risk factors in older Chinese adults.

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