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The impact of obesity on walking and cycling performance and response to pulmonary rehabilitation in COPD by Francesco Sava; Louis Laviolette; Sarah Bernard; Marie-Josée Breton; Jean Bourbeau; François Maltais is a Medicine article available to read on EtoBox.

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## Abstract ## Background We examined the influence of overweight and obesity on pulmonary function, exercise tolerance, quality of life and response to pulmonary rehabilitation in COPD. ## Methods 261 patients with COPD were divided into three groups: normal body mass index (BMI), overweight and obese. Baseline and post rehabilitation pulmonary function, 6-min walking test (6MWT), endurance time during a constant workrate exercise test (CET) and St. George's Respiratory Questionnaire (SGRQ) scores were compared between all three classes of BMI. ## Results At baseline, obese and overweight patients had less severe airflow obstruction compared to normal BMI patients. There was no baseline difference in CET performance or SGRQ scores across BMI classes and 6MWT was reduced in the presence of obesity (p < 0.01). Compared to baseline, post-rehabilitation 6MWT, CET performance and SGRQ scores improved significantly in each group (p < 0.01), but 6MWT was still significantly lower in the presence of obesity. ## Conclusions Walking, but not cycling performance was worse in obese patients. This difference was maintained post rehabilitation despite significant improvements. Weight excess may

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Author

Francesco Sava; Louis Laviolette; Sarah Bernard; Marie-Josée Breton; Jean Bourbeau; François Maltais

Publisher

BioMed Central; Springer (Biomed Central Ltd.); London: BioMed Central, 2001-; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 1471-2466)

Published

2010

Language

EN

Field

Medicine (Health Sciences)