Comparison of Buffering Capacity in Patients on Hemodialysis and Continuous Ambulatory Peritoneal Dialysis

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Abstract

A standard acid loading test was used to assess the buffering capacity in 9 hemodialysis (HD) and 25 continuous ambulatory peritoneal dialysis (CAPD) patients. There was a significant increase in H<sup>+</sup> concentration and a decrease in plasma bicarbonate levels after the acid loading in all patients; however, PaCO<sub>2</sub> did not change significantly. CAPD patients tolerated the acid load better, at least in the first 2 h, than HD patients. The brief duration of experiments did not allow us to observe differences, if any, in the recovery rates between HD and CAPD patients. CAPD patients tolerated the acid load equally, whether studied with or without fresh dialysate in the peritoneal cavity. Their tolerance to the acid load did not change with an increasing duration of the CAPD therapy. Baseline values and acid tolerance curves were similar in CAPD patients on regular Dianeal (lactate 35 mEq/l) and Dianeal PD2 (lactate 40 mEq/l). It is concluded that the buffering capacity is marginally higher in CAPD than in HD patients, although the baseline acid-base parameters were essentially identical.

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Author and article information

Journal

Journal ID (publisher-id): NEF

Journal ID (nlm-ta): Nephron

Journal ID (doi): 10.1159/issn.1660-8151

Title: Nephron

Publisher: S. Karger AG

ISSN (Print): 1660-8151

ISSN (Electronic): 2235-3186

Publication date Subscription-year: 1986

Publication date (Print): 1986

Publication date (Electronic): 04 December 2008

Volume: 42

Issue: 1

Pages: 29-33

Affiliations

^aDepartment of Medicine, Veterans’Administration Medical Center, University of Cincinnati Medical Center; ^bDepartment of Medicine, University of Cincinnati Medical Center; ^cNephrology Section, Veterans’s Administration Medical Center, Cincinnati, Ohio, USA

Article

Publisher ID: 183629 Other ID: Nephron 1986;42:29–33

DOI: 10.1159/000183629

PubMed ID: 3079889

SO-VID: 7b15e8e9-5894-47a4-8f96-f3640c071a44

License:

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.

History

Date accepted : 27 March 1985

Page count

Pages: 5

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