Objective-Adiponectin and resistin are adipokines that are linked to obesity, inflammation, and atherosclerosis.18 F-Fluorodeoxyglucose (FDG) positron emission tomography is a promising imaging technique that can be used to evaluate vascular inflammation. Methods and Results-We measured adiponectin and resistin levels, as well as traditional cardiovascular risk factors, in 60 obese subjects and 60 nonobese controls. In addition, we compared carotid intima-media thickness and target-to-background ratio (TBR) measured using 18 F-fluorodeoxyglucose-positron emission tomography/computed tomography. The mean TBR values were significantly higher in the obese group compared with normal subjects, although their mean carotid intima-media thickness levels were not significantly different. Serum adiponectin levels showed a significant negative correlation with mean TBR values (rϭϪ0.215, Pϭ0.020), whereas resistin levels were positively correlated with mean TBR values (rϭ0.214, Pϭ0.021). Multiple linear regression analysis showed that mean TBR values were independently associated with body mass index, high-sensitivity C-reactive protein, and resistin levels (R 2 ϭ0.308). Key Words: positron emission tomography Ⅲ adiponectin Ⅲ inflammation Ⅲ resistin A therosclerosis is a chronic inflammatory process resulting from the interaction of modified lipoproteins, monocyte-derived macrophages, T cells, and the normal cellular elements of the arterial wall. 1 Atherosclerotic plaques contain many inflammatory cells, such as macrophages, which secrete several cytokines that cause weakening of the fibrous plaque cap. 2,3 The rupture of an atherosclerotic plaque and the subsequent formation of the thrombi are the main factors responsible for myocardial infarction and cerebral infarctions. The biological compositions and inflammatory state of an atherosclerotic plaque, rather than the degree of stenosis or its size, are the major determinants of acute clinical events. 4
Conclusion-Adiponectin