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      Inappropriate Antidiuresis and Hyponatremia with Suppressible Vasopressin in Guillain-Barré Syndrome

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          Abstract

          Studies in which plasma osmolality was altered acutely by oral water loading and hypertonic sodium chloride infusion were performed to further identify the mechanisms involved in the pathogenesis of the syndrome of inappropriate secretion of antidiuretic hormone (SIADH) in a patient with Guillain-Barré syndrome. Although resetting of the osmotic threshold for vasopressin release was demonstrated in these studies, this does not seem to have been a primary factor in the development of SIADH in this patient. Downward resetting of the osmotic threshold by sustained hypoosmolality has been previously demonstrated, and it is possible that this may account for the initially low osmotic threshold identified by our studies. These studies suggest that inappropriate antidiuresis, as shown by the absence of a diuretic response to low threshold suppression of the plasma arginine vasopressin concentration was due either to a vasopressin-independent mechanism or to markedly increased renal tubular sensitivity to vasopressin.

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          Vasopressin function in the syndrome of inappropriate antidiuresis.

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            Author and article information

            Journal
            AJN
            Am J Nephrol
            10.1159/issn.0250-8095
            American Journal of Nephrology
            S. Karger AG
            0250-8095
            1421-9670
            1998
            February 1998
            16 January 1998
            : 18
            : 1
            : 71-76
            Affiliations
            Department of Medicine, Veterans Affairs Medical Center and University of Tennessee, Memphis, Tenn., USA
            Article
            13309 Am J Nephrol 1998;18:71–76
            10.1159/000013309
            9481444
            © 1998 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: 19, Pages: 6
            Product
            Self URI (application/pdf): https://www.karger.com/Article/Pdf/13309
            Categories
            Case Report

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