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Randomized Controlled Trial
. 2018 Oct;23(4):e1740.
doi: 10.1002/pri.1740. Epub 2018 Aug 31.

Effectiveness of a community-based exercise training programme to increase physical activity level in patients with chronic obstructive pulmonary disease: A randomized controlled trial

Ana Beatriz Varas  1 , Silvia Córdoba  1 , Irene Rodríguez-Andonaegui  1 , Ma Rocío Rueda  1 , Susana García-Juez  1 , Jordi Vilaró  1   2
Affiliations
Randomized Controlled Trial

Effectiveness of a community-based exercise training programme to increase physical activity level in patients with chronic obstructive pulmonary disease: A randomized controlled trial

Ana Beatriz Varas et al. Physiother Res Int. 2018 Oct.

Abstract

Background and purpose: The exercise training included in pulmonary rehabilitation (PR) programmes improves exercise capacity and quality of life in patients with chronic obstructive pulmonary disease (COPD). Nevertheless, the duration of these effects is limited, and the implementation of PR is still insufficient. Moreover, the physical activity level of COPD patients is low, and it is not modified with the classic PR programmes. The purpose of this study was to assess the effects of a community-based PR programme designed to increase physical activity in COPD patients.

Methods: Stable COPD patients were assigned to either an experimental group (EG, n = 17) who followed a community-based 8-week programme consisting of exercise training through walking and a plan to increase activity, using a pedometer for feedback; or a control group (n = 16), who followed general recommendations to walk more every day. The following were evaluated postintervention, after 3 months, and after 12 months: exercise capacity (endurance shuttle test [EST]), physical activity (steps/day and modified Baecke questionnaire), quality of life (St. George's Respiratory Questionnaire [SGRQ]), dyspnoea (modified Medical Research Council scale), and exacerbations.

Results: Postintervention, the EG showed significant improvements in EST times (7.6 min [4.4, 10.7]), distance (549 m [282, 815]; p < 0.01, both), number of steps (3,361 [1,553, 5,118]), and Baecke scores (1.6 [0.2, 3.1], p < 0.01). SGRQ scores decreased (-5.4 [-8.6, -2.4], p < 0.01). These results remained evident after 3 and 12 months (p < 0.01). There were no differences between the groups nor in the exacerbations or dyspnoea. A significant association was found between increase in physical activity level, improvement in exercise capacity, and quality of life during the period monitored.

Conclusions: A community-based programme of exercise training through walking and increased physical activity, using pedometers as feedback, produces short- and long-term improvements in exercise capacity, physical activity level, and quality of life in COPD patients.

Keywords: exercise; pulmonary disease, chronic obstructive; self-management; walking.

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