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      Sleep Apnea Incidence in Maintenance HemodialysisPatients: Influence of Dialysate Buffer

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          Abstract

          A high prevalance of sleep disorders and sleep apnea syndrome in hemodialysis (HD) patients has been known for 10 years. Acetate, the buffer once most commonly used, favors intradialytic hypoxemia through hypoventilation and ventilation-perfusion changes. The aim of the present study was to assess the influence of buffer, acetate or bicarbonate, on sleep and ventilation during the night subsequent to an afternoon (2-7 p.m.) dialysis session. Ten patients, 8 males and 2 females, aged 35-71 years, dry weight 55-72 kg, on dialysis 15 h a week for 6-67 months, were randomly assigned first to acetate or bicarbonate, then to the other mode of treatment. After a series of six sessions using the same buffer, polysomnographic recordings from 9.00 p.m. to 6.00 a.m. were obtained. Sex, age, weight, data of first dialysis, blood pressure and sleep disorder-related symptoms were not correlated with the sleep apnea syndrome. Prolonged or important oxygen desaturations were never observed. Central apnea occurred more frequently during the night following acetate dialysis: x = 33 (0-180) versus 3 (0-15), p < 0.05. Obstructive apneas were not different. A defective modulation of ventilatory control after acetate HD might be held responsible for central apnea, which would constitute one more case for a widespread use of bicarbonate HD.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1995
          1995
          18 December 2008
          : 71
          : 2
          : 138-142
          Affiliations
          a Department of Nephrology, Dialysis and Transplantation, and bDepartment of Pneumology and Sleep Laboratory, Lyon Sud University Hospital, Lyon, and cCentre de Rein Artificiel de Tassin, France
          Article
          188701 Nephron 1995;71:138–142
          10.1159/000188701
          8569943
          © 1995 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: 5
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Sleep apnea, Buffers, Acetate, Hemodialysis, Bicarbonate

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