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The Effects of Controlled Breathing during Pulmonary Rehabilitation in Patients with COPD.
MedLine Citation:
PMID:  21474911     Owner:  NLM     Status:  Publisher    
Background: Conventional pulmonary rehabilitation programs improve exercise tolerance but have no effect on pulmonary function in patients with chronic obstructive pulmonary disease (COPD). The role of controlled breathing using respiratory biofeedback during rehabilitation of patients with COPD remains unclear. Objectives: To compare the effects of a conventional 4-week pulmonary rehabilitation program with those of rehabilitation plus controlled breathing interventions. Methods: A randomized controlled trial was performed. Pulmonary function (FEV(1)), exercise capacity (6-min walking distance, 6MWD), health-related quality of life (chronic respiratory questionnaire, CRQ) and cardiac autonomic function (rMSSD) were evaluated. Results: Forty COPD patients (mean ± SD age 66.1 ± 6.4, FEV(1) 45.9 ± 17.4% predicted) were randomized to rehabilitation (n = 20) or rehabilitation plus controlled breathing (n = 20). There were no statistically significant differences between the two groups regarding the change in FEV(1) (mean difference -0.8% predicted, 95% CI -4.4 to 2.9% predicted, p = 0.33), 6MWD (mean difference 12.2 m, 95% CI -37.4 to 12.2 m, p = 0.16), CRQ (mean difference in total score 0.2, 95% CI -0.1 to 0.4, p = 0.11) and rMSSD (mean difference 2.2 ms, 95% CI -20.8 to 25.1 ms, p = 0.51). Conclusions: In patients with COPD undergoing a pulmonary rehabilitation program, controlled breathing using respiratory biofeedback has no effect on exercise capacity, pulmonary function, quality of life or cardiac autonomic function.
Arnoldus J R van Gestel; Malcolm Kohler; Jörg Steier; Sebastian Teschler; Erich W Russi; Helmut Teschler
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-07
Journal Detail:
Title:  Respiration; international review of thoracic diseases     Volume:  -     ISSN:  1423-0356     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0137356     Medline TA:  Respiration     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 S. Karger AG, Basel.
Department of Pneumology, University Hospital Ruhrlandklinik, Essen, Germany.
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