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      Effect of Anaemia Correction on Skeletal Muscle Metabolism in Patients with End-Stage Renal Disease: 31P Magnetic Resonance Spectroscopy Assessment

      Nephron

      S. Karger AG

      31P magnetic resonance spectroscopy , Anaemia, Erythropoietin, Muscle, Exercise

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          Abstract

          Skeletal muscle metabolism during exercise was compared in 5 patients with end-stage renal disease (ESRD) and 8 healthy controls, using a noninvasive technique, <sup>31</sup>P magnetic resonance spectroscopy (MRS). After 3 months of anaemia correction with recombinant human erythropoietin (rHuEPO) these patients were re-evaluated. Maximal power achieved by the ESRD patients during a dynamic wrist flexion exercise test was 33% lower (p < 0.05) than the controls. Similarly in the ESRD group, the power at the onset of metabolic acidosis (the intracellular threshold) was 29% less than controls. The metabolic differences observed in the patients indicated a lower aerobic capacity. Three months of rHuEPO treatment resulted in a 55% increase in mean haematocrit but conferred no significant improvement in metabolic parameters at rest or during exercise. The lack of any significant changes in muscle metabolism following the correction of anaemia suggests that oxygen availability is not the exclusive limiting factor for aerobic metabolism in ESRD patients.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1996
          1996
          19 December 2008
          : 73
          : 3
          : 436-441
          Article
          189107 Nephron 1996;73:436–441
          10.1159/000189107
          8832604
          © 1996 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.

          Page count
          Pages: 6
          Categories
          Original Paper

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