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      Assessment of Chronic Heart Failure Using Gas Exchange: Which Variable and When to Correct for Body Mass

      a , b , b

      Cardiology

      S. Karger AG

      Heart failure, Gas exchange, Assessment, Body mass

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          Abstract

          We investigated whether correction for body mass is appropriate when using variables derived from gas exchange measurements in the assessment of chronic heart failure. Patients with heart failure were studied either on a bicycle ergometer (22 subjects) or on a treadmill (28 subjects). For bicycle exercise testing either peak V<sub>O2</sub> or peak V<sub>CO2</sub> uncorrected for body mass reflected exercise capacity. However, for treadmill exercise, body mass correction was necessary to relate exercise capacity to peak V<sub>O2</sub> or peak V<sub>CO2</sub>. Mass correction is therefore appropriate for treadmill but not for bicycle exercise.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1999
          August 1999
          06 August 1999
          : 91
          : 2
          : 140-144
          Affiliations
          aDepartments of Cardiovascular Medicine, John Radcliffe Hospital, Oxford, and bNational Heart and Lung Institute, London, UK
          Article
          6894 Cardiology 1999;91:140–144
          10.1159/000006894
          10449887
          © 1999 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
          References: 16, Pages: 5
          Categories
          Exercise and Rehabilitation

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