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- Title
Incremental Shuttle Walk Test to Assess and Prescribe Exercise for Subjects With Bronchiectasis: Hallway Versus Treadmill.
- Authors
Oliveira, Cristiane S.; José, Anderson; Santos, Crislaine O.; de Oliveira, Cristiane H. Y.; Carvalho, Thiago C. O.; de Castro, Rejane A. S.; Selman, Jessyca P. R.; de Camargo, Anderson A.; Dal Corso, Simone
- Abstract
INTRODUCTION: The incremental shuttle walk test was initially developed to be carried out in a hallway (ISWT-H) but has been modified to be performed on a treadmill (ISWT-T). However, it is still unknown whether performance on ISWT-H and ISWT-T are similar in patients with bronchiectasis. In this study, we compared the performance, physiological responses, and perception of effort between the ISWT-T with a handrail and ISWT-H for subjects with bronchiectasis. We also sought to estimate and compare the prescription for training intensity with both tests. METHODS: This was a cross-sectional study in which 24 subjects with bronchiectasis were evaluated on 2 different days (24 h apart). Distance walked (m) was compared between the ISWT-H and ISWT-T. A training session was held on a treadmill at 75% of the speed obtained from both tests. The walking distance, oxygen uptake (...O2), carbon dioxide production (...CO2), heart rate, and ventilation (...E) were measured. RESULTS: There was a difference in the walking distance between the ISWT-T and ISWT-H, but physiological responses for ...O2, ...CO2, heart rate, and ...E were similar. However, the speed estimated for training was different, as were the ...O2, ...CO2, and heart rate. CONCLUSIONS: The ISWT-T with handrail and the ISWT-H are not interchangeable in subjects with bronchiectasis. A slower speed of training intensity may occur when the test is performed in a hallway, as originally described, and this may underestimate responses to aerobic training.
- Subjects
BRAZIL; BRONCHIECTASIS; WALKING; CARBON dioxide analysis; OXYGEN analysis; BIOPHYSICS; BLOOD gases analysis; CONFIDENCE intervals; DYSPNEA; EXERCISE therapy; HEART beat; PROBABILITY theory; RESPIRATION; STATISTICAL sampling; SCIENTIFIC apparatus &; instruments; SPIROMETRY; STATISTICS; T-test (Statistics); DATA analysis; EFFECT sizes (Statistics); TREADMILLS; RANDOMIZED controlled trials; OXYGEN consumption; CROSS-sectional method; EXERCISE intensity; SEDENTARY lifestyles; DATA analysis software; DESCRIPTIVE statistics; MUSCLE fatigue; THERAPEUTICS
- Publication
Respiratory Care, 2018, Vol 63, Issue 3, p311
- ISSN
0020-1324
- Publication type
Article
- DOI
10.4187/respcare.05735