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      Improvement of Renal Function in Patients with Chronic Gout after Proper Control of Hyperuricemia and Gouty Bouts

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          Abstract

          Aim: To evaluate the effect of nonsteroidal anti-inflammatory drug (NSAID) withdrawal on renal function in patients with chronic gout after proper control of hyperuricemia and gouty symptoms. Methods: Patients with chronic gout, who regularly used NSAIDs to control gouty symptoms prior to urate-lowering therapy, were prospectively followed up in an observational study. Risk factors for renal function impairment were recorded, and the clearance of creatinine (Ccr) was initially measured while on colchinine therapy to prevent gouty bouts. Therapy with urate-lowering drugs was started in order to keep serum urate levels under 6.0 mg/dl (275 µmol/l), and the Ccr was monitored during the follow-up period. Final assessment of the renal function was made after 1 year free from gouty bouts and without NSAID therapy during this period. Results: 87 patients completed a 1-year period of NSAID withdrawal. Low initial Ccr was related to age, hypertension, hypertriglyceridemia and the presence of previous renal diseases. After proper control of gout and NSAID withdrawal during 1 year, the mean Ccr significantly raised from 94 to 104 ml/min. The improvement was especially significant in patients whose initial Ccr was under 80 ml/min. Their mean Ccr rose from 60 to 78 ml/min, and 12 of 29 patients achieved normal Ccr at the end of the study. No risk factor correlated with improvement of the renal function. Conclusions: Renal function impairment in patients with chronic gout is mainly related to vascular risk factors, but improvement of the renal function was observed after proper control of hyperuricemia and NSAID withdrawal. Optimal control of hyperuricemia and, therefore, of symptoms of gout should be especially considered in patients with vascular risk factors in order to avoid renal function loss due to NSAID use.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          2000
          November 2000
          08 November 2000
          : 86
          : 3
          : 287-291
          Affiliations
          aRheumatology Section, bNephrology Division and cClinical Epidemiology Unit, Hospital de Cruces, Barakaldo, and dRehabilitation Division, Hospital de Gorliz, Pais Vasco, Spain
          Article
          45783 Nephron 2000;86:287–291
          10.1159/000045783
          11096285
          © 2000 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
          Tables: 1, References: 24, Pages: 5
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          Self URI (application/pdf): https://www.karger.com/Article/Pdf/45783
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          Original Paper

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