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Grau, M., Subirana, I., Agis, D., Ramos, R., Basagana, X., Marti, R., de Groot, E., Arnold, R. J., Marrugat, J., Kunzli, N., Elosua, R

Carotid Intima-media Thickness in the Spanish Population: Reference Ranges and Association With Cardiovascular Risk Factors

Rev.Esp.Cardiol., 2012, 65, 12, 1086, 93, IF: --, PMID: 23021836

INTRODUCTION AND OBJECTIVES: Carotid intima-media thickness as measured with ultrasonography is an inexpensive and noninvasive predictor of cardiovascular events. The objectives of this study were to determine the population reference ranges of carotid intima-media thickness for individuals aged 35-84 years in Spain and to analyze the association of carotid intima-media thickness with cardiovascular risk factors (age, smoking, diabetes, pulse pressure, lipid profile, and body mass index). METHODS: Population-based cross-sectional study conducted in Gerona (Spain). We described the mean and maximal values of carotid intima-media thickness of the carotid artery and of its 3 segments (common carotid, carotid bulb and internal carotid). We assessed cardiovascular risk factors and analyzed their association with carotid intima-media thickness using adjusted linear regression models. RESULTS: A total of 3161 individuals (54% women) were included, with mean age 58 years. Men showed significantly higher mean common carotid intima-media thickness than did women (0.71 vs 0.67 mm). The strongest predictors of this measure were age (coefficients for 10-year increase: 0.65 and 0.58 for women and men, respectively), smoking in men (coefficient: 0.26), high-density lipoprotein cholesterol in women (coefficient for 10 mg/dL, increase: -0.08) and pulse pressure in both sexes (coefficients for 10 mmHg increase: 0.08 and 0.23 for women and men, respectively). The results were similar for the mean carotid intima-media thickness of all the segments. CONCLUSIONS: This population-based study presents the reference ranges for carotid intima-media thickness in the Spanish population. The main determinants of carotid intima-media thickness were age and pulse pressure in both sexes. Full English text available

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