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      Microalbuminuria Is Acutely Increased during Anesthesia and Surgery

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          Abstract

          Microalbuminuria is known to increase in various diseases with potential repercussion on the kidneys and indicates an increase in glomerular intracapillary pressure or changes in permeability characteristics. In this study, we measured whether albumin excretion is affected in patients undergoing anesthesia and surgery, which are both known to induce dramatic changes in renal function and in the release of vasoactive substances such as catecholamines, vasopressin, angiotensin, and prostaglandins. Seven patients with normal renal function and physiological microalbuminuria prior to surgery were studied. Urine samples were collected before anesthesia, just before the begining of surgery, and thereafter 30 min following incision, and 30 min after the end of surgery. Anesthesia induced a significant increase in microalbuminuria, which further increased during surgery. After the end of surgical procedure, microalbuminuria decreased but remained significantly higher than control. This phenomenon may be due to an increase in intracapillary glomerular pressure and/or an alteration in glomerular permeability induced by a direct effect of drugs, or to the action of vasoactive substances on the glomerular structure.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1991
          1991
          11 December 2008
          : 58
          : 2
          : 161-163
          Article
          186407 Nephron 1991;58:161–163
          10.1159/000186407
          1865971
          © 1991 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: 3
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Renal function, Microalbuminuria, Anesthesia

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