期刊
ARTERIOSCLEROSIS THROMBOSIS AND VASCULAR BIOLOGY
卷 29, 期 5, 页码 781-U369出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/ATVBAHA.108.180653
关键词
cardiac CT; pericardial fat; obesity; adiponectin; plaque imaging
资金
- Deutsche Forschungsgemeinschaft [BR 2151/4-1, LE 1350/2-1]
Objectives-Pericardial fat as a visceral fat depot may be involved in the pathogenesis of coronary atherosclerosis. To gain evidence for that concept we sought to investigate the relation of pericardial fat volumes to risk factors, serum adiponectin levels, inflammatory biomarkers, and the quantity and morphology of coronary atherosclerosis. Methods and Results-Using Dual source CT angiography pericardial fat volume and coronary atherosclerosis were assessed simultaneously. Plaques were classified as calcified, mixed, and noncalcified, and the number of affected segments served as quantitative score. Patients with atherosclerotic lesions had significant larger PAT volumes (226 cm(3) +/- 92 cm(3)) than patients without atherosclerosis (134 cm(3) +/- 56 cm(3); P > 0.001). No association was found between BMI and coronary atherosclerosis. PAT volumes > 300 cm(3) were the strongest independent risk factor for coronary atherosclerosis (odds ratio 4.1; CI 3.63 to 4.33) also significantly stronger compared to the Framingham score. We furthermore demonstrated that elevated PAT volumes are significantly associated with low adiponectin levels, low HDL levels, elevated TNF-alpha levels, and hsCRP. Conclusion-In the present study we demonstrated that elevated PAT volumes are associated with coronary atherosclerosis, hypoadiponectinemia, and inflammation and represent the strongest risk factor for the presence of atherosclerosis and may be important for risk stratification and monitoring. (Arterioscler Thromb Vasc Biol. 2009; 29: 781-786.)
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