Prognostic role of cardiovascular risk factors for men with cardiomegaly (the Reykjavik Study)

The American Journal of Cardiology
E SigurdssonN Sigfusson

Abstract

The Reykjavik Study is a large population-based cohort study, starting in 1967. A total of 9,139 men, born in the years 1907 to 1934, have been followed for 4 to 24 years. Heart size was determined by chest roentgenogram in 2 planes and cardiomegaly, defined as a relative heart size exceeding 550 ml/m2, was detected in 517. Multivariate Cox regression analysis was used to estimate the independent contribution of variables measured at each participant's first visit to the risk of both all-cause and coronary artery disease (CAD) mortality. Cardiomegaly was detected in 3.7% of men aged < 40 years and in 21.2% of those > 75 years. One half of these men had hypertension, one third had manifestations of CAD, and 37% had neither. Among men with cardiomegaly, the presence of CAD had marked deleterious effect on prognosis. Serum total cholesterol and systolic blood pressure were significant independent risk factors of CAD mortality with risk ratio of 1.008 per mg/dl serum cholesterol (95% confidence interval 1.00 to 1.01; p = 0.004) and 1.015/mm Hg (95% confidence interval 1.000 to 1.300; p = 0.043), respectively. Smoking > 25 cigarettes/day carried a 2.3-fold risk (95% confidence interval 1.3 to 4.4; p = 0.008) of all-cause mortality. ...Continue Reading

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Citations

Jul 4, 2013·The International Journal of Cardiovascular Imaging·Seung Jin JunYoungkeun Ahn
Jun 26, 2001·Journal of Internal Medicine·T HardarsonN Sigfússon
Jan 29, 2011·Therapeutic Apheresis and Dialysis : Official Peer-reviewed Journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy·Kuan-Hsing ChenJa-Liang Lin
Mar 24, 2005·European Heart Journal·Gestur ThorgeirssonJacqueline Witteman

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