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Saudi Journal of Kidney Diseases and Transplantation
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ORIGINAL ARTICLE Table of Contents   
Year : 2012  |  Volume : 23  |  Issue : 4  |  Page : 736-742
Association of adiponectin with cardiovascular events in diabetic and non-diabetic hemodialysis patients

Department of Internal Medicine and Clinical Pathology, Faculty of Medicine, Zagazig University, Zagazig, Egypt

Correspondence Address:
Tarek A Ghonemy
Internal Medicine and Nephrology Unit, Faculty of Medicine, Zagazig University, P. O. Box 44519, Zagazig
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DOI: 10.4103/1319-2442.98151

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Adiponectin is a novel collagen-like protein synthesized by white adipose tissue. Its levels are decreased in obesity, type-2 diabetes and insulin-resistant states, and are increased in chronic renal failure. It has anti-inflammatory and anti-atherogenic properties. This study was planned to evaluate the levels of adiponectin in uremic patients with and without diabetes and to find any relationship between adiponectin levels and some cardiovascular risk factors, and to determine the possible predictive value of adiponectin for cardiovascular complications (CVC). The study included 100 subjects, 20 of them were healthy subjects and served as the control group (group I), 40 were uremic non-diabetic patients (group II) (half of them were without CVC, group IIA, and the other half were patients with CVC, group IIB) and, lastly, 40 uremic diabetic patients (group III) (half of them were without CVC, group IIIA, and the other half were patients with CVC, group IIIB). All subjects were subjected to complete clinical examination, including determination of mean arterial blood pressure (MABP), body mass index (BMI), waist to hip ratio, routine laboratory investigations, fasting plasma glucose, fasting plasma insulin, lipid profile (cholesterol, TG, LDL, HDL), determination of insulin resistance by homeostasis model assessment index (HOMA-IR) and estimation of serum levels of adiponectin. There was a significant increase in serum adiponectin levels in all the uremic patients (group II and group III) when compared with the control (group I) group, P <0.01; also, serum adiponectin levels were significantly decreased in uremic diabetic patients (group III) when compared with uremic non-diabetic patients (group II), P <0.01; but this was still higher than in the controls. The patients with CVC, whether uremic non-diabetic (group IIB) or uremic diabetic (group IIIB), had a significant decrease in serum adiponectin levels when compared with patients without CVC (group IIA and group IIIA), P <0.01. Serum adiponectin has a significant positive correlation with HDL and a significant negative correlation with MABP, BMI, plasma insulin, HOMA-IR, LDL, TG and choles­terol in all the patients. Therefore, it can be concluded that adiponectin levels in uremic patients, whether diabetic or non-diabetic, may be a good indicator of cardiovascular disease risk.

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