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RESEARCH PRODUCT

Metabolic syndrome, organ damage and cardiovascular disease in treated hypertensive patients. The ERIC‐HTA study

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The aim of this study is to assess the relationship among metabolic syndrome (MS), target organ damage (TOD) and established cardiovascular disease (CVD) in non-diabetic hypertensive elderly patients. ERIC-HTA is cross-sectional, multicentre study carried out in primary care, on hypertensive patients aged 55 or older. MS was defined by the NCEP-ATP III criteria, using body mass index (28.8 kg/m(2)) instead of abdominal perimeter. In 8331 non-diabetic hypertensive patients (3663 men and 4668 women, mean age 67.7 years), the prevalence of MS was 32.6% (men: 29.0%; women: 36.8%). A linear association was observed between a greater number of components of MS and a greater prevalence of left ventricle hypertrophy (LVH) on the electrocardiogram (p0.001), impaired kidney function (p0.001) and established CVD (p = 0.001). In a multivariate model, MS in non-diabetic hypertensive patients was related to a greater prevalence of LVH (OR 1.31 [95% CI: 1.15-1.48]), impaired kidney function (OR 1.45 [95% CI: 1.29-1.63]) and established CVD (OR 1.22 [95% CI: 1.08-1.37]). This relationship persisted after stratifying by gender. In conclusion, in this elderly non-diabetic hypertensive population, the presence of MS was independently related to a greater prevalence of hypertensive TOD and established CVD, suggesting a role of MS as a cardiovascular risk marker in hypertension.