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Benefits of pulmonary rehabilitation in patients with COPD with normal exercise capacity.
MedLine Citation:
PMID:  23287013     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Background:Pulmonary rehabilitation (PR) is beneficial for patients with chronic obstructive pulmonary disease (COPD) with improvement in exercise capacity, healthy-related quality of life (HRQL). Despite these overall benefits, the responses to PR vary significantly among different individuals. It is not clear if PR is beneficial for patients with COPD with normal exercise capacity. We aimed to investigate the effects of PR in patients with normal exercise capacity on HRQL and exercise capacity.Methods:Twenty-six patients with COPD with normal exercise capacity were studied. All patients participated in 12-week, 2 sessions per week, hospital-based outpatient PR. Baseline and post-PR status were evaluated by spirometry, St. George's Respiratory Questionnaire (SGRQ), cardiopulmonary exercise test, respiratory muscle strength, and dyspnea scores.Results:The mean forced expiratory volume in 1 second (FEV1) in the patients was 1.29±0.47 L/min, 64.8±23.0% predicted. After PR, there was significant improvement in maximal VO(2) and work rate. Improvements in SGRQ scores of total, symptoms, activity and impact were accompanied with improvements of exercise capacity, respiratory muscle strength, maximal O(2)P, and exertional dyspnea scores (all p < 0.05). There were no significant changes in pulmonary function test results (FEV(1), forced vital capacity [FVC], and FEV(1)/FVC), minute ventilation, respiratory rate and tidal volume at rest or exercise after PR (all p > 0.05).Conclusions:Exercise training can result in significant improvement in HRQL, exercise capacity, respiratory muscle strength, and exertional dyspnea in patients with COPD with normal exercise capacity. Exercise training is still indicated for patients with normal exercise capacity.
Authors:
Chou-Chin Lan; Wen-Hua Chu; Mei-Chen Yang; Chih-Hsin Lee; Yao-Kuang Wu; Chin-Pyng Wu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-3
Journal Detail:
Title:  Respiratory care     Volume:  -     ISSN:  0020-1324     ISO Abbreviation:  Respir Care     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7510357     Medline TA:  Respir Care     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Division of Pulmonary Medicine, Buddhist Tzu-Chi General Hospital, Taipei Branch, Taipei, Taiwan;
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