Journal article
People with COPD who respond to ground-based walking training are characterized by lower pre-training exercise capacity and better lung function and have greater progression in walking training distance
Journal of cardiopulmonary rehabilitation and prevention, Vol.39(5), pp.338-343
2019
PMID: 31393279
Abstract
Purpose:
To investigate the characteristics that distinguish responders from nonresponders to ground-based walking training (GBWT) in people with chronic obstructive pulmonary disease (COPD).
Methods:
An analysis was undertaken of data collected during a trial of GBWT in people with COPD. Responders to GBWT were defined in 2 ways: (1) improved time on the endurance shuttle walk test of ≥190 sec (criterion A); or (2) improved ability to walk, perceived by the participant to be at least “moderate” (criterion B). Differences in participant characteristics, pre-training exercise capacity, health-related quality of life, and the improvement in the distance walked during the training program were examined between responders and nonresponders.
Results:
Of the 95 participants randomized to GBWT (age 69 ± 8 yr, forced expiratory volume in 1 sec [FEV1] % predicted = 43% ± 15%), data were available for analysis on 78 and 73 patients by criterion A and criterion B, respectively. According to criterion A, 32 (41%) participants were responders. The odds of being a responder increased with increasing FEV1 % predicted (OR = 1.2; 95% CI, 1.0-1.5, for every 5% increase) and increased with decreasing pre-training incremental shuttle walk distance (OR = 1.4; 95% CI, 1.0-1.8, for every 50-m decrement). According to criterion B, 42 (58%) participants were responders. There were no differences in characteristics or pre-training measures between the responders and nonresponders. For both criteria, responders demonstrated greater change in the distance walked during the training program (P < .05).
Conclusion:
Responders to GBWT had lower pre-training exercise capacity, had better lung function, and demonstrated greater change in the distance walked during the training program.
Details
- Title
- People with COPD who respond to ground-based walking training are characterized by lower pre-training exercise capacity and better lung function and have greater progression in walking training distance
- Authors/Creators
- Jian Ping Ho - Curtin UniversityJennifer A Alison - The University of SydneyL W Cindy NgSally L Wootton - The University of SydneyZoe J McKeough - The University of SydneySue C Jenkins - Curtin UniversityPeter R Eastwood - Curtin UniversityDavid R Hillman - Sir Charles Gairdner HospitalChristine Jenkins - Concord Repatriation General HospitalLissa M Spencer - Curtin UniversityVinicius Cavalheri - Curtin UniversityKylie Hill - Curtin University
- Publication Details
- Journal of cardiopulmonary rehabilitation and prevention, Vol.39(5), pp.338-343
- Identifiers
- 991005591574107891
- Copyright
- © 2019 Wolters Kluwer Health, Inc
- Murdoch Affiliation
- Vice Chancellery
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.65 Allergy
- 1.65.192 COPD
- Web Of Science research areas
- Cardiac & Cardiovascular Systems
- ESI research areas
- Clinical Medicine