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Exercise performance after standard rehabilitation in COPD patients with lung hyperinflation.
MedLine Citation:
PMID:  22113504     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The role of pulmonary rehabilitation (PR) in COPD patients with lung hyperinflation has not yet been fully investigated. We retrospectively evaluated the effect of a standard PR course on exercise tolerance and symptoms according to the presence or absence of associated lung hyperinflation, as defined by lung function parameters in three Italian rehabilitation centres. In a cohort of 823 COPD patients (age 71 ± 8 years, FEV(1) 56 ± 18% pred.) we have systematically recorded: changes (∆) in 6-minute walking test (6MWD) as the primary outcome; dyspnoea (D); muscle fatigue (F); SO(2)nadir during effort; perceived breathlessness score (MRC); and specific health-related quality of life (SGRQ). Outcomes were compared between patients with lung hyperinflation (n = 283, LH) or without (n = 540 No-LH). Groups were comparable for age, body mass index, baseline exercise tolerance, and breathlessness. ∆-6MWD (+72 ± 47 vs. +62 ± 42 m, p < 0.05); ∆-D (-2.3 ± 1.7 vs. -1.9 ± 1.3 point, p < 0.05) and ∆-SO(2)nadir (+1.4 ± 3.0 and +0.5 ± 3.3 point, p < 0.05) were greater in LH than in No-LH. Using a multivariate linear regression model, ∆-6MWD in the LH group significantly correlated with lower functional residual capacity (p = 0.021) and baseline 6MWD (p = 0.004). Tolerance, gas exchange and perceived symptoms during effort are the parameters that gain a significant benefit from standard rehabilitation in COPD patients with a lung hyperinflation condition.
Authors:
Ernesto Crisafulli; Elena Venturelli; Gianluca Biscione; Guido Vagheggini; Andrea Iattoni; Sasha Lucic; Nicolino Ambrosino; Franco Pasqua; Alfredo Cesario; Enrico Maria Clini
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-22
Journal Detail:
Title:  Internal and emergency medicine     Volume:  -     ISSN:  1970-9366     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101263418     Medline TA:  Intern Emerg Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Pulmonary Rehabilitation, Villa Pineta Hospital, 41026, Pavullo (MO), Italy, crisafulli.ernesto@villapineta.it.
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