Journal
FARMACO
Volume 56, Issue 5-7, Pages 463-465Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0014-827X(01)01063-1
Keywords
oxidative stress; antioxidants; glutathione; malondialdehyde; haemodialysis
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Survival for decades is now possible in end-stage renal disease patients (ESRD) treated with haemodialysis (HD). Long-term survivors may present dialysis-related pathology (DRP). Alterations in lipid metabolism and oxidative stress are recognized as important risk factors that could be prevented or reduced by optimal therapy. We have studied markers of oxidative stress in patients receiving HD treatment for more than 20 years. In order to evaluate a preventive intervention against oxidative damage we measured the factors implied for the prooxidative and antioxidative mechanisms in haemodialysis patients. Ten long-term HD survivors (HD duration: 274.2 months) and ten patients with recent onset of HD (HD duration: 17.8 months), had blood drawn for plasma vitamins A and E, malondialdehyde (MDA), plasma and RBC glutathione peroxidase (GPx), RBC superoxide dismutase (SOD), plasma and erythrocyte glutathione reductase (GSSG-R), oxidized and reduced glutathione (GSH) assessment. Despite normal levels of antioxidant vitamins, an usual finding in this setting, increased MDA, and oxidized GSH, and decreased plasma GPx and reduced GSH show that oxidant stress is markedly present in both recent onset and long-term HD patients. It would appear highly advantageous to reduce complications of long-term dialysis patients with preventing modalities. (C) 2001 Editions scientifiques et medicales Elsevier SAS.
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