Source: Annual Congress 2002 - Physiotherapy: assessment and outcome in healthy subjects and patients with chronic lung disease
Disease area: Airway diseases

Abstract

The purpose of this study was to investigate the relationship between work of walking and dyspnea perception, and pulmonary functions in patients with moderate and severe chronic obstructive pulmonary disease (COPD). Fifty-five patients with clinically stable COPD participated in this study. Pulmonary function tests, arterial blood gases, resting dyspnea perception measurement by modified Medical Research Council (MRC) dyspnea scale, and 6-minute walking test were performed. Heart rate and dyspnea perception by a modified Borg scale were measured before and after walking test. Work of walking was calculated as the product of walking distance in 6 minute and body weight. Work of walking was significantly related with PEF (r= 0.36, p<0.05) and MRC dyspnea scale (r= -0.41, p<0.05) in COPD patients with severe airflow obstruction. Work of walking during 6-minute walking test was influenced by resting peak expiratory flow and dyspnea perception in COPD patients with severe airway obstruction but not with moderate obstruction.

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S. Savci, D. Inal-Ince, A. U. Demir, G. Karakaya, H. Arikan, L. Coplu (Ankara, Turkey). Work of walking in moderate and severe COPD. Eur Respir J 2002; 20: Suppl. 38, 1164

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