Is the six-minute walk test a useful tool to prescribe high-intensity exercise in patients with chronic obstructive pulmonary disease?

Abstract Background It is not yet completely known whether the 6MWT can be used to prescribe high-intensity exercise for patients with COPD. Objective To evaluate the ability of the six-minute walk test (6MWT) to prescribe high-intensity exercise for patients with chronic obstructive pulmonary disea...

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Bibliographic Details
Published in:Heart & lung 2016-11, Vol.45 (6), p.550-556
Main Authors: Rodrigues, Antenor, MSc, Di Martino, Marianna, PT, Nellessen, Aline G., MSc, Hernandes, Nidia A., PhD, Neder, J. Alberto, PhD, Pitta, Fabio, PhD
Format: Article
Language:English
Subjects:
Aged
Cardiovascular
Chronic obstructive
Chronic obstructive pulmonary disease
Clinical outcomes
Critical Care
Exercise
Exercise physiology
Exercise test
Exercise Therapy - methods
Exercise Tolerance - physiology
Female
Follow-Up Studies
Humans
Male
Prognosis
Pulmonary disease
Pulmonary Disease, Chronic Obstructive - physiopathology
Pulmonary Disease, Chronic Obstructive - rehabilitation
Pulmonary/Respiratory
Reproducibility of Results
Respiration
Respiratory Function Tests
Sports training
Validation studies
Walk Test - methods
Walking
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Summary:Abstract Background It is not yet completely known whether the 6MWT can be used to prescribe high-intensity exercise for patients with COPD. Objective To evaluate the ability of the six-minute walk test (6MWT) to prescribe high-intensity exercise for patients with chronic obstructive pulmonary disease (COPD). Methods Lung function, maximal inspiratory strength, symptoms and exercise capacity were evaluated in patients with COPD ( n  = 27) before and after a 12-week high-intensity exercise program. Criteria for high-intensity training were: 1) ≥75% of the 6MWT average speed; 2) American Thoracic Society/European Respiratory Society (ATS/ERS) criteria (≥60% of the maximal incremental shuttle walk test speed). Results The 6MWT showed good positive and negative predictive values (0.69 and 0.71, respectively), and accuracy (0.70), good reliability (ICC 0.70 [95%CI 0.45–0.85]) and moderate agreement ( k 0.41 [95%CI 0.13–0.67]) with the ATS/ERS criteria. Conclusion The 6MWT has good predictive ability and accuracy in relation to high-intensity exercise for patients with COPD.
ISSN:0147-9563
1527-3288
DOI:10.1016/j.hrtlng.2016.08.005