Key result
Heart rates measured during routine 6-minute walk or stepper tests were not significantly different from the heart rate at the ventilatory threshold during cardiopulmonary exercise testing (P=0.57 for 6MWT).
Why the study?
Do heart rate responses during routine 6-minute walk or stepper tests correlate with heart rate at the ventilatory threshold in COPD patients?
Population
50 patients with chronic obstructive pulmonary disease (COPD), mean age 60.1±8.5 years
Design
Cross-sectional
Authors
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May support estimating ventilatory threshold HR via 6MWT or stepper tests in COPD; hypothesis-generating and requires prospective validation before practice change.
Cross-Sectional (n=50)
Do heart rate responses during routine 6-minute walk or stepper tests correlate with heart rate at the ventilatory threshold in COPD patients?
p-value: p=0.57
Individualized target heart rates for endurance training in COPD patients can be reliably prescribed using routine field tests like the 6-minute walk test or 6-minute stepper test.
Fabre et al. (2017) conducted a cross-sectional in chronic obstructive pulmonary disease (n=50). 6-minute walk test and 6-minute stepper test vs. Cardiopulmonary exercise test (ventilatory threshold) was evaluated on Heart rate responses to exercise modalities (p=0.57). Heart rates measured during routine 6-minute walk or stepper tests were not significantly different from the heart rate at the ventilatory threshold during cardiopulmonary exercise testing (P=0.57 for 6MWT).
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