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      Protection Against Acute Renal Failure by Prior Acute Renal Failure: Differences between Myohemoglobinuric and Ischemic Models

      a , b

      Nephron

      S. Karger AG

      Acute renal failure, Ischemia, Glycerol, Mercuric chloride

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          Abstract

          Prior acute renal failure (ARF) induced by either glycerol (G) or mercury provides protection against rechallenge with the same agent or the other. To ascertain whether the widely employed ischemic renal failure model also shares a similar pathogenesis, two protocols were designed. In the first protocol, unilaterally nephrectomized rats with or without a prior episode of G-induced ARF two weeks previously were subjected to an ischemic insult [60-min total left renal artery clamp (LRAC)]. At 24 or 48 h after LRAC there was no difference in renal function in the rats with or without prior ARF. In the second protocol the sequence of G and ischemia was reversed. In rats having undergone LRAC two weeks prior to G, glomerular filtration rate was virtually identical from the right (control) and left (prior ARF) kidney (right, 138 ± 30; left, 101 ± 22 μl/min/100 g body weight), and not different from rats receiving G alone. We conclude that protection against ARF conferred by prior insult is not a feature of all models.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1987
          1987
          05 December 2008
          : 47
          : 3
          : 220-226
          Affiliations
          aDivision of Nephrology and Hypertension, Department of Medicine, North Shore University Hospital and Cornell University Medical College, Manhasset, N.Y.; bDepartments of Medicine and Radiology, Harvard Medical School and Brigham and Womens Hospital, Boston, Mass., USA
          Article
          184496 Nephron 1987;47:220–226
          10.1159/000184496
          3683691
          © 1987 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: 7
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Mercuric chloride, Glycerol, Ischemia, Acute renal failure

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