Abstract
The aim of this study was to determine if weekly, supervised, outpatient-based exercise plus unsupervised home exercise following an 8-week pulmonary rehabilitation programme would maintain functional exercise capacity and quality of life at 12 months better than standard care of unsupervised home exercise training. Chronic obstructive pulmonary disease (COPD) subjects completed an 8-week pulmonary rehabilitation programme, were randomised to an intervention group (IG) of weekly, supervised, exercise plus home exercise or to a control group (CG) of unsupervised home exercise and followed for 12 months. Outcome measurements at baseline (after pulmonary rehabilitation), and 3, 6 and 12 months included the 6-min walk test and St George's Respiratory Questionnaire (SGRQ). 59 subjects with moderate COPD (Global Initiative for Chronic Obstructive Lung Disease stage II) were recruited and 48 subjects completed the study. 12-month mean difference showed no significant change from baseline in 6-min walk distance (IG -11 m, 95% CI -21-10 m; CG -6 m, 95% CI -34-11 m) or total SGRQ score (IG 3, 95% CI -0.8-7; CG -3, 95% CI -7-3). 12 months following pulmonary rehabilitation both weekly, supervised, outpatient-based exercise plus unsupervised home exercise and standard care of unsupervised home exercise successfully maintained 6-min walk distance and quality of life in subjects with moderate COPD.
Highlights
59 subjects with moderate Chronic obstructive pulmonary disease (COPD) (Global Initiative for Chronic Obstructive Lung Disease stage II) were recruited and 48 subjects completed the study. 12-month mean difference showed no significant change from baseline in 6-min walk distance (IG -11 m, 95% confidence intervals (95% CI) -21–10 m; control group (CG) -6 m, 95% CI -34–11 m) or total St George’s Respiratory Questionnaire (SGRQ) score (IG 3, 95% CI -0.8–7; CG -3, 95% CI -7–3)
59 subjects with moderate COPD (Global Initiative for Chronic Obstructive Lung Disease stage II) were recruited and 48 subjects completed the study. 12-month mean difference showed no significant change from baseline in 6-min walk distance (IG -11 m, 95% CI -21–10 m; CG -6 m, 95% CI -34–11 m) or total SGRQ score (IG 3, 95% CI -0.8–7; CG -3, 95% CI -7–3)
By 2020, it is supervised exercise three times per week estimated that COPD will be fifth in the world- maintained exercise capacity and quality of life wide burden of disease [1]
Summary
59 subjects with moderate COPD (Global Initiative for Chronic Obstructive Lung Disease stage II) were recruited and 48 subjects completed the study. 12-month mean difference showed no significant change from baseline in 6-min walk distance (IG -11 m, 95% CI -21–10 m; CG -6 m, 95% CI -34–11 m) or total SGRQ score (IG 3, 95% CI -0.8–7; CG -3, 95% CI -7–3). 12 months following pulmonary rehabilitation both weekly, supervised, outpatient-based exercise plus unsupervised home exercise and standard care of unsupervised home exercise successfully maintained 6-min walk distance and quality of life in subjects with moderate COPD. The maintenance exercise interventions used in previous studies have varied in frequency from supervised exercise once per week [9, 13], three effects that contribute to the severity of symp- times per week [10] or once per month [7, 8]. By 2020, it is supervised exercise three times per week estimated that COPD will be fifth in the world- maintained exercise capacity and quality of life wide burden of disease [1]. Management of [10], this could be considered a continuation of COPD involves optimising medical therapy, pulmonary rehabilitation that may not be feasible commencing smoking cessation and participating in pulmonary rehabilitation [2]
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