Assessment of Chronic Heart Failure Using Gas Exchange: Which Variable and When to Correct for 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 VO2 or peak VCO2 uncorrected for body mass reflected exercise capacity. However, for treadmill exercise, body mass correction was necessary to relate exercise capacity to peak VO2 or peak VCO2. Mass correction is therefore appropriate for treadmill but not for bicycle exercise.

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Journal ID (publisher-id): CRD

Journal ID (nlm-ta): Cardiology

Journal ID (doi): 10.1159/issn.0008-6312

Title: Cardiology

Publisher: S. Karger AG

ISSN (Print): 0008-6312

ISSN (Electronic): 1421-9751

Publication date Subscription-year: 1999

Publication date (Print): August 1999

Publication date (Electronic): 06 August 1999

Volume: 91

Issue: 2

Pages: 140-144

Affiliations

^aDepartments of Cardiovascular Medicine, John Radcliffe Hospital, Oxford, and ^bNational Heart and Lung Institute, London, UK

Article

Publisher ID: 6894 Other ID: Cardiology 1999;91:140–144

DOI: 10.1159/000006894

PubMed ID: 10449887

SO-VID: dc1e0daa-59fe-465b-adcf-a2ac4f72701d

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

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Karger: Cardiovascular System

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