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Clin Respir J. 2018 Apr;12(4):1581-1590. doi: 10.1111/crj.12714. Epub 2017 Oct 12.

Efficacy of patients' preferred exercise modalities in chronic obstructive pulmonary disease: A parallel-group, randomized, clinical trial.

Author information

1
Department of Respiratory Medicine, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
2
State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
3
Department of Emergency Medicine, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
4
Department of Respiratory Medicine, No.2 Municipal Hospital, Wuhan, China.
5
Department of Respiratory Medicine, No.5 Municipal Hospital, Wuhan, China.
6
Department of Respiratory Medicine, No.1 Municipal Hospital, Wuhan, China.
7
Department of Respiratory Medicine, Hospital of Huazhong University of Science and Technology, Wuhan, China.
8
Department of Respiratory Medicine, Affiliated Hospital of Wuhan Iron and Steel Company, Wuhan, China.

Abstract

INTRODUCTION:

Physical exercise effectively improves health-related quality of life in patients with chronic obstructive pulmonary disease (COPD). However, application of this medical intervention is problematic, due to poor adherence to the exercise program or unawareness of the significance of this intervention.

OBJECTIVE:

To determine whether COPD patients who adopted personal-preferred exercise modalities (PPEMs) for daily training would demonstrate sustained benefits due to improved adherence.

METHODS:

Stable COPD patients were randomly assigned to the daily PPEMs group or the control group (without extra exercise apart from daily life activities). All other treatments were similar. The primary outcome was the health-related quality of life (HRQoL), measured with St. George's Respiratory Questionnaire (SGRQ) score at 12 months. Other measures included the Borg dyspnea score, 6-min walking distance (6MWD) and lung function variables.

RESULTS:

The intention-to-treat (ITT) population included 94 patients, 68 of them completed the study protocol over 12 months (the PP-population). A greater decline of SGRQ score (improvement of HRQoL) in the PPEMs group than that in the controls was demonstrated over 12 months (-19.1 vs -9.0 in the ITT population and -19.1 vs -8.7 in the PP population, P ≤ .001 for all comparisons), the reduction exceeded the minimal clinically important difference of ≥ 4 points. The PPEMs group also showed a greater reduction than the control group in Borg score at 12 months in the ITT and the PP population as well (P < .01). No significant improvement was found in 6MWD or in lung function variables.

CONCLUSIONS:

COPD patients could benefit from extra daily PPEMs, and the gain may sustain at least for 1 year.

KEYWORDS:

chronic obstructive pulmonary disease; physical exercise; pulmonary rehabilitation

PMID:
28925009
DOI:
10.1111/crj.12714
[Indexed for MEDLINE]

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