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      A Randomized Prospective Trial to Assess the Role of Saline Hydration on the Development of Contrast Nephrotoxicity

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          Abstract

          Though simple and attractive, the role of hydration for the prophylaxis of contrast nephrotoxicity has not been definitively established. We prospectively evaluated the role of deliberate saline hydration in patients undergoing nonemergency cardiac catheterization. Patients (n = 53) were randomized on the day prior to scheduled catheterization to one of two groups – group 1 (n = 27) received normal saline for 24 h (at a rate of 1 ml/kg/h) beginning 12 h prior to scheduled catheterization, and group 2 (n = 26) were allowed unrestricted oral fluids. Serum creatinine measured 24 and 48 h postcardiac catheterization was compared to the pre-randomization baseline value. The mean baseline calculated creatinine clearance was 79.6 ± 31.9 ml/min and the mean baseline creatinine was 106 ± 28 µmol/l. An increase in serum creatinine by at least 44.2 µmol/l (0.5 mg/dl), within 48 h of contrast exposure, was considered to represent clinically significant acute renal insufficiency. Ten subjects (18.9%) developed acute renal insufficiency. The incidence of acute renal insufficiency was significantly lower in group 1 (1 out of 27) as compared to group 2 (9 out of 26; p = 0.005 for comparison between groups; relative risk 0.11, 95% confidence interval 0.015 to 0.79). Twenty-four hours after contrast exposure, the mean increase in creatinine was less in group 1 vs. group 2 (8 ± 11 vs. 20 ± 21 µmol/l, p = 0.02). The increase in creatinine was not significantly different in group 1 vs. group 2 48 h after contrast exposure (12 ± 21 vs. 29 ± 40 µmol/l, p = 0.17). Deliberate saline hydration decreases the incidence of contrast-related acute renal failure and the severity of contrast-induced renal dysfunction in patients undergoing non-emergency cardiac catheterization.

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          Author and article information

          Journal
          NEC
          Nephron Clin Pract
          10.1159/issn.1660-2110
          Nephron Clinical Practice
          S. Karger AG
          1660-2110
          2003
          January 2003
          17 November 2004
          : 93
          : 1
          : c29-c34
          Affiliations
          aNephrology Section, Harry S. Truman Memorial Veterans’ Hospital and Division of Nephrology, Department of Internal Medicine, bDivision of Nephrology, University of Missouri-Columbia, cCardiology Section, Harry S. Truman Memorial Veterans’ Hospital, and dDepartment of Biostatistics, University of Missouri-Columbia, Columbia, Mo., USA
          Article
          66641 Nephron Clin Pract 2003;93:c29–c34
          10.1159/000066641
          12411756
          © 2003 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: 2, Tables: 2, References: 24, Pages: 1
          Product
          Self URI (application/pdf): https://www.karger.com/Article/Pdf/66641
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Contrast therapy, Kidney failure, acute, Fluid therapy

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