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      Effect of a Hemodialysis Session on Plasma Levels of Endothelin-1 in Hypertensive and Normotensive Subjects with End-Stage Renal Failure

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          Abstract

          Background: Elevated plasma endothelin-1 (ET-1) was found in end-stage renal failure (ESRF). However, there are discordant reports on the influence of hypertension on plasma ET-1 in ESRF and on the effect of hemodialysis on ET-1 concentrations. Aim: To compare the time course of plasma ET-1 during hemodialysis in hypertensive (HT) and normotensive (NT) ESRF patients. Methods: Plasma ET-1 and mean blood pressure (MP) were measured in 12 HT patients and 11 matched NT patients on maintenance hemodialysis at baseline (B), after a 2.5–3.5 h hemodialysis with ultrafiltration (P1) and after a subsequent 1 h isovolumic dialysis (P2). Results: In HT patients, plasma ET-1 increased at P1 with no further change after P2 (B vs. P1 and P2, p < 0.05). In NT patients, ET-1 levels were similar at B, P1 and P2. In HT, but not in NT subjects, volume loss correlated with change of ET-1 at P1. In HT patients, MP fell during P1 and tended to return towards baseline at P2. In NT patients, MP dropped after P1 and remained lower also at P2. Conclusion: Hypertensive ESRF subjects exhibit potentiated ET-1 release on hemodialysis, possibly stimulated by volume depletion with sympathetic activation, which may attenuate hypotensive hemodialysis effects thus contributing to hypertension in ESRF.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1999
          1999
          13 January 1999
          : 81
          : 1
          : 31-36
          Affiliations
          aChair and Department of Nephrology and bDepartment of Cardiology, Jagiellonian University, Cracow, cDepartment of Clinical Pharmacology, Silesian University School of Medicine, Katowice, Poland
          Article
          45242 Nephron 1999;81:31–36
          10.1159/000045242
          9884416
          © 1999 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
          Figures: 1, Tables: 1, References: 42, Pages: 6
          Product
          Self URI (application/pdf): https://www.karger.com/Article/Pdf/45242
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Hemodialysis, Endothelin, Hypertension, Chronic renal failure

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