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Title: Resistance training prevents deterioration in quadriceps muscle function during acute exacerbations of chronic obstructive pulmonary disease
Authors: Troosters, Thierry ×
Probst, Vanessa Suziane
Crul, Tim
Pitta, Fabio
Gayan-Ramirez, Ghislaine
Decramer, Marc
Gosselink, Rik #
Issue Date: May-2010
Publisher: American Lung Association
Series Title: American Journal of Respiratory and Critical Care Medicine vol:181 issue:10 pages:1072-1077
Abstract: RATIONALE: Exacerbations of chronic obstructive pulmonary disease (COPD) acutely reduce skeletal muscle strength and result in long-term loss of functional capacity. OBJECTIVES: To investigate whether resistance training is feasible and safe and can prevent deteriorating muscle function during exacerbations of COPD. METHODS: Forty patients (FEV(1) 49 +/- 17% predicted) hospitalized with a severe COPD exacerbation were randomized to receive usual care or an additional resistance training program during the hospital admission. Patients were followed up for 1 month after discharge. Primary outcomes were quadriceps force and systemic inflammation. A muscle biopsy was taken in a subgroup of patients to assess anabolic and catabolic pathways. MEASUREMENTS AND MAIN RESULTS: Resistance training did not yield higher systemic inflammation as indicated by C-reactive protein levels and could be completed uneventfully. Enhanced quadriceps force was seen at discharge (+9.7 +/- 16% in the training group; -1 +/- 13% in control subjects; P = 0.05) and at 1 month follow-up in the patients who trained. The 6-minute walking distance improved after discharge only in the group who received resistance training (median 34; interquartile range, 14-61 m; P = 0.002). In a subgroup of patients a muscle biopsy showed a more anabolic status of skeletal muscle in patients who followed training. Myostatin was lower (P = 0.03) and the myogenin/MyoD ratio tended to be higher (P = 0.08) in the training group compared with control subjects. CONCLUSIONS: Resistance training is safe, successfully counteracts skeletal muscle dysfunction during acute exacerbations of COPD, and may up-regulate the anabolic milieu in the skeletal muscle. Clinical trial registered with www.clinicaltrials.gov (NCT00877084).
URI: 
ISSN: 1073-449X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Pneumology
Research Group for Cardiovascular and Respiratory Rehabilitation
× corresponding author
# (joint) last author

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