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      • Slide Session : OS-NEP-06 ; Nephrology : Paraoxonase-1 Activity in Patients with Anemia with or Without Chronic Renal Failure

        ( Yildiz Okuturlar ),( Nilgul Akalin ),( Ozlem Harmankaya ),( Nurten Turan Guner ),( Deniz Yilmaz ),( Asuman Gedikbasi ),( Ozlem Soyluk ),( Meral Mert ),( Abaki Kumbasar ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1

        Background: Paraoxonase (PON)-1 is an antioxidant enzyme. It has three known activities, paraoxonase, arylesterase and diazoxonase. It has been reported that PON-1 defi ciency is related to increased susceptibility to development of atherosclerosis and cardiovascular disease. The aim of this study is to evaluate antioxidative status and carotid intima-media thickness (CIMT) in patients with anemia with/without chronic renal failure. Methods: 42 patients with anemia and a control group of 47 patients were enrolled in to the study. Patients were divided into two groups as Group 1 with iron defi ciency anemia and Group 2 with chronic renal failure and anemia of chronic disease and Group 3 as the healthy control group. In all three groups antioxidative status was evaluated by measuring free sulfhydryl groups (-SH = total thiol), paraoxonase and arylesterase levels. CIMT measurements were also performed at the same time. Results: In all three groups, age, weight, average height, gender, presence of diabetes and smoking habit were not signifi cantly different (p>0.05). Hemoglobin levels were 7.85 ± 1.25 in Group 1, 8.62 ± 1.09 in Group 2 and 13.45±1.63 in Group 3. We have found that Arylesterase and -SH levels were decreased both in Group 1 and 2 according to Group 3. Bilateral CIMT was increased only in Group 2. Between group 1 and group 2 the only difference was the the more signifi cant decrease in Arylesterase levels in group 2 (Table 1-2). Conclusion: PON-1 activity and -SH levels may be independently associated with the presence of atherosclerosis.

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