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Short term and long term effects of pulmonary rehabilitation on physical activity in COPD.
MedLine Citation:
PMID:  23063203     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The central purpose of pulmonary rehabilitation is to reduce morbidity by improving functional capacity through exercise. It is still unknown if improvements in functional capacity are maintained in the long-term and if this leads to increased physical activity levels as measured by a free-living activity monitor. The hypothesis of this study was that pulmonary rehabilitation would lead to a sustained increase in standard outcome measures and in daily physical activity. METHODS: A prospective study of 47 subjects with COPD was performed, registered at ClinicalTrials.gov (Clinical Trial Number NCT 0112943). The primary outcome was a maintained improvement in standard outcome measures with a secondary aim of an increase in daily physical activity. A convenient sample of the cohort (n = 17) was re-evaluated at a third time point at 1 year. RESULTS: A seven week hospital based outpatient pulmonary rehabilitation program led to a significant reduction in total energy expenditure (p < 0.044) and breathlessness (Borg, p < 0.011) and improved exercise capacity (ISWT, p > 0.001, 6MWT, p > 0.002) PiMax (p > 0.007) and quality of life scores (SGRQ, p > 0.001, EQ5D, 0.025). However, pulmonary rehabilitation did not significantly change the average number of daily steps taken, time spent sedentary activity, METs consumed or daily physical activity. Indeed, all of the standard and freeliving values had returned towards the baseline value at 1 year. DISCUSSION: These findings show that while pulmonary rehabilitation increased exercise capacity this was not transmitted into increased daily physical activity. Hence, alternative methods to alter/affect behavioural change need to be addressed.
Authors:
Claire Egan; Brenda M Deering; Catherine Blake; Brona M Fullen; Niamh M McCormack; Martijn A Spruit; Richard W Costello
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-11
Journal Detail:
Title:  Respiratory medicine     Volume:  -     ISSN:  1532-3064     ISO Abbreviation:  Respir Med     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8908438     Medline TA:  Respir Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Respiratory Medicine, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin, Ireland; The Education and Research Centre, Smurfit Building, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin, Ireland.
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