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Type: Journal article
Title: Relationship between epicardial fat and quantitative coronary artery plaque progression: insights from computer tomography coronary angiography
Author: Psaltis, P.J.
Talman, A.H.
Munnur, K.
Cameron, J.D.
Ko, B.S.H.
Meredith, I.T.
Seneviratne, S.K.
Wong, D.T.L.
Citation: International Journal of Cardiovascular Imaging, 2016; 32(2):317-328
Publisher: Springer Netherlands
Issue Date: 2016
ISSN: 1569-5794
Statement of
Peter J. Psaltis, Andrew H. Talman, Kiran Munnur, James D. Cameron, Brian S. H. Ko, Ian T. Meredith, Sujith K. Seneviratne, Dennis T. L. Wong
Abstract: Epicardial fat volume (EFV) has been suggested to promote atherosclerotic plaque development in coronary arteries, and has been correlated with both coronary stenosis and acute coronary events. Although associated with progression of coronary calcification burden, a relationship with progression of coronary atheroma volume has not been previously tested. We studied patients who had clinically indicated serial 320-row multi-detector computer tomography coronary angiography with a median 25-month interval. EFV was measured at baseline and follow-up. In vessels with coronary stenosis, quantitative analysis was performed to measure atherosclerotic plaque burden, volume and aggregate plaque volume at baseline and follow-up. The study comprised 64 patients (58.4 ± 12.2 years, 27 males, 192 vessels, 193 coronary segments). 79 (41 %) coronary segments had stenosis at baseline. Stenotic segments were associated with greater baseline EFV than those without coronary stenosis (117.4 ± 45.1 vs. 102.3 ± 51.6 cm(3), P = 0.046). 46 (24 %) coronary segments displayed either new plaque formation or progression of adjusted plaque burden at follow-up. These were associated with higher baseline EFV than segments without stenosis or those segments that had stenoses that did not progress (128.7 vs. 101.0 vs. 106.7 cm(3) respectively, P = 0.006). On multivariate analysis, baseline EFV was the only independent predictor of coronary atherosclerotic plaque progression or new development (P = 0.014). High baseline EFV is associated with the presence of coronary artery stenosis and plaque volume progression. Accumulation of EFV may be implicated in the evolution and progression of coronary atheroma.
Keywords: Epicardial fat; Cardiac CT; Computed tomography; Coronary artery stenosis; Coronary artery plaque progression
Description: First online: 03 September 2015
Rights: © Springer Science+Business Media Dordrecht 2015
DOI: 10.1007/s10554-015-0762-3
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