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      Plasma Arginine-Vasopressin, Renal-Concentrating Ability and Lithium Excretion in a Group of Patients on Long-Term Lithium Treatment

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          Abstract

          Plasma arginine-vasopressin (AVP) was measured before and after 24 h of a 26-hour renal concentration test in 47 patients treated with lithium for 6–180 months (mean 70 months). In 34 of the patients, plasma AVP was also measured before and after a 2- to 4-hour period of water loading, and in 31 of the patients, creatinine, <sup>125</sup>iothalamate, <sup>131</sup>I-hippuran and lithium clearances were measured. Plasma AVP values were compared to those obtained in 8 healthy controls. Baseline AVP levels were significantly higher in the lithium-treated patients than in healthy controls. During the period of water deprivation AVP values increased significantly and during oral water loading a significant decrease took place, AVP values still being significantly higher in the lithium-treated patients than in the healthy controls. During oral water loading a slight increase in lithium clearance as well as fractional lithium excretion was seen as compared to values obtained during the last 2 h of a renal concentration test. This study demonstrates that antidiuretic hormone production is neither blocked nor inhibited during lithium treatment. The hypothalamic system reacts on water deprivation as well as on water loading. This study supports the notion that the main lithium-induced renal affection is a vasopressin-resistant impairment of renal concentrating ability.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1982
          1982
          03 December 2008
          : 32
          : 2
          : 125-130
          Affiliations
          Departments of Medicine aC and bM, Aarhus Kommunehospital and University of Aarhus, and cPsychopharmacology Research Unit Aarhus University Institute of Psychiatri, Psychiatric Hospital, Risskov, Aarhus, Denmark
          Article
          182831 Nephron 1982;32:125–130
          10.1159/000182831
          7177289
          © 1982 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: 6
          Categories
          Original Paper

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