• Annemarie L Lee, Thomas E Dolmage, Matthew Rhim, Roger S Goldstein, and Dina Brooks.
• Department of Respiratory Medicine, West Park Healthcare Centre, Toronto, ON, Canada; Department of Physical Therapy, University of Toronto, Toronto, ON, Canada; Department of Rehabilitation, Nutrition and Sport, La Trobe University, Melbourne, VIC, Australia. Electronic address: a.lee3@latrobe.edu.au.
• Chest. 2018 May 1; 153 (5): 1134-1141.

BackgroundIn people with COPD, dyspnea is the primary symptom limiting exercise tolerance. One approach to reducing dyspnea during exercise is through music listening. A constant speed endurance test reflects a high-intensity aerobic exercise training session, but whether listening to music affects endurance time is unknown. This study aimed to determine the effects of listening to music during a constant speed endurance test in COPD.MethodsParticipants with COPD completed two endurance walk tests, one with and one without listening to self-selected music throughout the test. The primary outcome was the difference in endurance time between the two conditions. Heart rate, percutaneous oxygen saturation, dyspnea, and rate of perceived exertion were measured before and after each test.ResultsNineteen participants (mean [SD]: age, 71 [8] years; FEV1, 47 [19] % predicted) completed the study. Endurance time was greater (1.10 [95% CI, 0.41-1.78] min) while listening to music (7.0 [3.1] min) than without (5.9 [2.6] min), and reduced end-test dyspnea (1.0 [95% CI, -2.80 to -1.80] units) (with music, 4.6 [1.7] units; vs without music, 5.6 [1.4] units, respectively). There was not a significant difference in heart rate, percutaneous oxygen saturation, or leg fatigue. There were no adverse events under either condition.ConclusionsIn COPD, dyspnea was less while listening to music and was accompanied by an increased tolerance of high-intensity exercise demonstrated by greater endurance time. Practically, the effect was modest but may represent an aid for exercise training of these patients.Trial RegistryAustralian New Zealand Clinical Trials Registry; No. ACTRN12617001217392.Copyright © 2017 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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