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Association of epicardial fat with cardiovascular risk factors and incident myocardial infarction in the general population: the Heinz Nixdorf Recall Study.

Abstract：

OBJECTIVES:This study sought to determine whether epicardial fat volume predicts coronary events in the general population. BACKGROUND:Epicardial adipose tissue (EAT) is suggested to promote plaque development in the coronary artery tree. METHODS:We quantified EAT volume in participants from the prospective population-based Heinz Nixdorf Recall cohort study free of cardiovascular disease. Incident coronary events were assessed during a follow-up period of 8.0 ± 1.5 years. Multivariable association of EAT with cardiovascular risk factors, coronary artery calcification (CAC), and coronary events was assessed using regression analysis. RESULTS:From the overall 4,093 participants (age 59.4 years, 47% male), 130 subjects developed a fatal or nonfatal coronary event. Incidence of coronary events increased by quartile of EAT (0.9% vs. 4.7% for 1(st) and 4th quartile, respectively, p < 0.001). Doubling of EAT was associated with a 1.5-fold risk of coronary events when adjusting for cardiovascular risk factors (hazard ratio [HR] [95% confidence interval (CI)]: 1.54 [1.09 to 2.19]), which remained unaltered after further adjustment for CAC score (HR [95% CI]: 1.50 [1.07 to 2.11]). For discrimination of subjects with events from those without, we observed a trend for improvement of Harrell's C and explained variance by EAT over traditional cardiovascular risk factors, which, however, did not reach statistical significance (0.720 to 0.730 for risk factors alone and with EAT added, respectively, p = 0.10, R(2) = 2.73% to R(2) = 2.92%, time-dependent integrated discrimination improvement = 0.196%). CONCLUSIONS:Epicardial fat is associated with fatal and nonfatal coronary events in the general population independent of traditional cardiovascular risk factors and complements information from cardiac computed tomography above the CAC score.

journal_name

J Am Coll Cardiol

journal_title

Journal of the American College of Cardiology

authors

Mahabadi AA,Berg MH,Lehmann N,Kälsch H,Bauer M,Kara K,Dragano N,Moebus S,Jöckel KH,Erbel R,Möhlenkamp S

doi

10.1016/j.jacc.2012.11.062

subject

Has Abstract

pub_date

2013-04-02 00:00:00

pages

1388-95

issue

eissn

0735-1097

issn

1558-3597

pii

S0735-1097(13)00174-5

journal_volume

pub_type

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Association of epicardial fat with cardiovascular risk factors and incident myocardial infarction in the general population: the Heinz Nixdorf Recall Study.