Increased epicardial fat volume quantified by 64-multidetector computed tomography is associated with coronary atherosclerosis and totally occlusive lesions.

Abstract

BACKGROUND The relationship between the epicardial fat volume measured by 64-slice multidetector computed tomography (MDCT) and the extension and severity of coronary atherosclerosis was investigated. METHODS AND RESULTS Both MDCT and conventional coronary angiography (CAG) were performed in 71 consecutive patients who presented with effort angina. The volume of epicardial adipose tissue (EAT) was measured by MDCT. The severity of coronary atherosclerosis was assessed by evaluating the extension of coronary plaques in 790 segments using MDCT data, and the percentage diameter stenosis in 995 segments using CAG data. The estimated volume of EAT indexed by body surface area was defined as VEAT. Increased VEAT was associated with advanced age, male sex, degree of metabolic alterations, a history of acute coronary syndrome (ACS) and the presence of total occlusions, and showed positive correlation with the stenosis score (r=0.28, P=0.02) and the atheromatosis score (r=0.67, P<0.0001) of the coronary arteries. Multiple logistic regression analysis revealed an increased VEAT (>or=50 cm(3)/m(2)) to be the strongest independent determinant of the presence of total occlusions (odds ratio 4.64, P=0.02). CONCLUSIONS VEAT correlates with the degree of metabolic alterations and coronary atheromatosis. Excessive accumulation of EAT might contribute to the development of ACS and coronary total occlusions.

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@article{Ueno2009IncreasedEF, title={Increased epicardial fat volume quantified by 64-multidetector computed tomography is associated with coronary atherosclerosis and totally occlusive lesions.}, author={Koji Ueno and Toshihisa Anzai and Masahiro Jinzaki and Minoru Yamada and Yusuke Jo and Yuichiro Maekawa and Akio Kawamura and Tsutomu Yoshikawa and Yutaka Tanami and Kozo Sato and Sachio Kuribayashi and Satoshi Ogawa}, journal={Circulation journal : official journal of the Japanese Circulation Society}, year={2009}, volume={73 10}, pages={1927-33} }