Do Walk Tests Reflect Fitness in Stroke Patients?
Author Information
Author(s): Ada Tang, Kathryn M. Sibley, Mark T. Bayley, William E. McIlroy, Dina Brooks
Primary Institution: University of Toronto
Hypothesis
The study aims to evaluate the relationship between the Six-Minute Walk Test (6MWT), aerobic fitness, and walking competency in sub-acute stroke patients.
Conclusion
The 6MWT is not an adequate measure of aerobic fitness early after stroke, as it is more influenced by walking speed limits than by cardiorespiratory capacity.
Supporting Evidence
- There was a strong correlation between the 6MWT and five meter walk velocity for preferred and fast speed.
- The average speed during the 6MWT was faster than the preferred gait speed but slower than the fast-paced walk.
- The relationship between 6MWT distance and VO2peak was moderate, suggesting that aerobic fitness is a contributor to distance walked.
Takeaway
This study looked at how well a walking test shows fitness in people who had a stroke. It found that while the test is useful, it doesn't really measure how fit someone is right after a stroke.
Methodology
Participants underwent the Six-Minute Walk Test, a maximal exercise test, and a five meter walk to evaluate their walking competency and cardiorespiratory fitness.
Limitations
The study had a relatively small sample size, which may limit the generalizability of the findings.
Participant Demographics
Mean age of participants was 64.6 years, with a mix of ischemic and hemorrhagic strokes.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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