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      High Dose of L-Carnitine Increases Platelet Aggregation and Plasma Triglyceride Levels in Uremic Patients on Hemodialysis

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          Abstract

          Uremic patients undergoing chronic hemodialysis demonstrate a secondary systemic carnitine deficiency. We studied the effect of carnitine replacement with high doses ( L-carnitine, 3 g/day) similar to those used in the treatment of primary systemic carnitine deficiency. 10 uremic patients on hemodialysis were randomly selected into a control group (4 patients) treated by placebo and a treatment group (6 patients) treated by L-carnitine. Plasma lipoprotein concentration and composition as well as platelet aggregation were studied before and after treatment. Following carnitine administration, a paradoxical rise in plasma triglyceride concentration from 180 ± 66 to 219 ± 88 mg% (p < 0.05) was noted. No other significant changes in lipoprotein concentration and composition or in plasma apoprotein A-I and B concentration were observed. Carnitine treatment caused a significant rise in platelet aggregation induced by epinephrine, ADP, and thrombin. These findings suggest a harmful effect of L-carnitine replacement therapy when given in high doses, causing aggravation of uremic hypertriglyceridemia and increased platelet aggregation in patients predisposed to thromboembolic phenomena.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1984
          1984
          04 December 2008
          : 38
          : 2
          : 120-124
          Affiliations
          Lipid Research Unit and Department of Nephrology, Rambam Medical Center, and Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
          Article
          183292 Nephron 1984;38:120–124
          10.1159/000183292
          6472539
          © 1984 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: 5
          Categories
          Original Paper

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