Low plasma adiponectin is associated with coronary artery disease but not with hypertension in high-risk nondiabetic patients |
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Authors: | Cesari M Pessina A C Zanchetta M De Toni R Avogaro A Pedon L Dorigatti F Maiolino G Rossi G P |
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Affiliation: | Department of Clinical & Experimental Medicine, University of Padova, Padova, Italy. |
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Abstract: | OBJECTIVE: To investigate the association of plasma adiponectin levels with coronary artery disease (CAD), arterial hypertension (HT), and insulin resistance (IR) in nondiabetic Caucasian patients. DESIGN: We measured plasma adiponectin levels, IR (HOMA index), and the CAD atherosclerotic burden (angiography-based modified Duke Index score) in 400 nondiabetic patients undergoing coronary angiography. HT was diagnosed by the European Society of Hypertension/European Society of Cardiology (ESH/ESC) guidelines or if patients were on antihypertensive treatment. RESULTS: Coronary artery disease was found in 62% of the patients and ruled out in the rest (non-CAD group). Plasma adiponectin levels were inversely related to the CAD score (beta = -0.12, P = 0.029) and predicted the coronary atherosclerotic burden independent of other cardiovascular risk factors. However, they were similar in NT and HT and showed no correlation with blood pressure values. In non-CAD, but not in CAD patients, they were lower in patients with than without IR (8.3 +/- 1.2 vs. 11.3 +/- 1.3, respectively; P = 0.007). CONCLUSIONS: In nondiabetic high-risk Caucasian patients plasma adiponectin levels are inversely related to CAD severity and IR; however, they are not strongly related to blood pressure values. |
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Keywords: | adiponectin coronary artery disease hypertension insulin resistance |
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