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Pharmacokinetics of a Low Molecular Weight Heparin (Reviparine) in Hemodialyzed Patients
Abstract
Low-molecular-weight heparins (LMWHs) are used to prevent clotting in hemodialysis extracorporeal blood circuits. In order to test the possibility of using reviparine (a LMWH of 3,900 D) in this indication, we studied the pharmacokinetics of the drug after a mean dose of 3,300 IU anti-Xa in 10 hemodialyzed patients. Reviparine was administered subcutaneously between two dialysis sessions and intravenously at the start of 20 dialysis sessions performed either with high (HP) or low-permeability (LP) membranes. We observed a moderate increase of the elimination half-life of reviparine (TV2: 5 ± 1.6 h between dialysis, 3.6 ± 1.3 during dialysis with an HP membrane and 4.7 ± 1.8 during dialysis with an LP membrane) versus 3.3 ± 1 in healthy volunteers. Dialysis procedures with an HP or an LP membrane do not importantly modify the pharmacokinetics of reviparin compared with data observed in healthy volunteers. During the sessions, we observed no clotting in the extracorporeal circuit, no hemorrhagic event and no prolongation of the fistula compression times. Further clinical studies are required to define the optimal dosage of reviparine to prevent coagulation in hemodialysis blood circuits.
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188257 Nephron 1994;68:202–206Copyright: 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.