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Abstract
To examine the association of echocardiographically determined left ventricular mass with incidence of coronary heart disease in an elderly cohort. Cohort study with a follow-up period of 4 years. Population-based. Elderly original volunteer subjects of the Framingham Heart Study who were free of clinically apparent coronary heart disease. This group included 406 men (mean age, 68 years: range, 60 to 90) and 735 women (mean age, 69 years: range, 59 to 90). During 4 years of follow-up, coronary heart disease events occurred in 37 men and 33 women. Baseline echocardiographically determined left ventricular mass was associated with incidence of coronary disease in both sexes (P less than 0.01). After adjusting for age, systolic blood pressure, smoking, and the ratio of total/high density lipoprotein cholesterol, the relative risk for a coronary event, per 50 g/m increment in left ventricular mass/height, was 1.67 in men (95% CI, 1.24 to 2.23) and 1.60 in women (95% CI, 1.10 to 2.32). Echocardiographic assessment of left ventricular mass offers prognostic information beyond that provided by traditional risk factors, which can improve our ability to identify individuals at high risk for coronary heart disease. These findings may have widespread implications regarding the applications of echocardiography in clinical practice.
