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      About Blood Purification: 3.0 Impact Factor I 5.6 CiteScore I 0.83 Scimago Journal & Country Rank (SJR)

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      Effect of Dialysis on Plasma Total Antioxidant Capacity and Lipid Peroxidation Products in Patients with End-Stage Renal Failure

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          Abstract

          Dialysis is associated with an impairment of antioxidant defense and an overproduction of oxidative stress markers. This study focuses on the comparison of plasma total antioxidant capacity (TAC) and lipid peroxidation products in patients on hemodialysis (HD) before and after treatment and in peritoneal dialysis (PD) patients. Plasma TAC, malonaldehyde (MDA), and 4-hydroxyalkenal concentrations were measured in 31 HD patients, in 24 PD patients, and in 17 normal controls (NC). It was found that before HD, TAC and MDA levels were higher than those in the NC (p < 0.001). After HD, these levels decreased significantly but were higher than in NC and lower than in PD patients (p < 0.001). The levels of 4-hydroxyalkenals were elevated in patients as compared with NC, but did not differ between HD and PD patients. The MDA concentrations correlated positively with the TAC in the patients. It is concluded that the oxidative status of patients on HD is similar to that of patients on PD and that the susceptibility to oxidative stress is strongly related to the levels of MDA produced in plasma.

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          An Overview of Haemodialysis and Oxidant Stress

          Today’s patient population is increasingly older. Patients with chronic renal failure therefore start extracorporeal substitutive treatment having congestive heart failure, chronic liver disease, diabetes and so forth. In these patients, however, long-term haemodialytic treatment may add further aggravation on their pre-existing pathological conditions. Oxidative stress and alterations in lipid metabolism are caused by haemodialysis mainly due to (1) bioincompatibility type of reactions such as production of reactive oxygen species by inflammatory cells due to complement-mediated or -independent pathways, and (2) the imbalance between oxidants and antioxidants due to the diffusive loss of hydrophilic vitamins such as ascorbic acid. The events related to the oxidant stress may sustain a state of chronic inflammation. Recent advances suggest that atherosclerosis and proliferation of the smooth muscle are initiated and sustained by inflammatory mechanisms. Therefore, attempts to counterbalance the prooxidant effect of haemodialysis and to reduce the chronic inflammatory state will be presented.
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            Plasma malonaldehyde levels during myocardial infarction

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              Author and article information

              Journal
              BPU
              Blood Purif
              10.1159/issn.0253-5068
              Blood Purification
              S. Karger AG
              0253-5068
              1421-9735
              2003
              2003
              05 June 2003
              : 21
              : 3
              : 209-212
              Affiliations
              aBiochemical Department and bRenal Unit, ‘Alexandra’ Hospital, Athens, Greece
              Article
              70691 Blood Purif 2003;21:209–212
              10.1159/000070691
              12784045
              2100f23c-64c6-4681-b74a-bde388772b50
              © 2003 S. Karger AG, Basel

              Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

              History
              : 07 January 2003
              Page count
              Figures: 2, Tables: 1, References: 12, Pages: 4
              Categories
              Original Paper

              Cardiovascular Medicine,Nephrology
              Hemodialysis,Peritoneal dialysis,Total antioxidant capacity,Malonaldehyde,4-Hydroxyalkenals

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