Key result
Six-minute corridor walk test demonstrates strong reproducibility and correlates with peak VO2 in heart failure.
Observational (n=16)
Randomized trial shows improved functional capacity in chronic cardiac failure, indicating the value of walk tests for assessment.
We have examined the use of a 6-min corridor walk test in the assessment of functional capacity in 16 patients with chronic cardiac failure. VO2 was determined concurrently by a portable 'Oxylog'. Three tests were performed sequentially, and although there was a significant increase in distance walked and highest VO2 achieved between the first and second tests, good reproducibility was attained between the second and third tests. Both walk test variables correlated well with previously determined peak achieved VO2, and NYHA classes were separated adequately. Corridor walk testing, with or without measurement of VO2 should be a useful adjunct to maximal exercise testing in interventional studies.
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Riley et al. (1992) conducted an observational in chronic cardiac failure (n=16). 6-min corridor walk test with VO2 measurement was evaluated on Reproducibility of the walk test and correlation with previously determined peak achieved VO2. The 6-minute corridor walk test demonstrated good reproducibility between sequential tests and walk variables correlated well with peak achieved VO2 in patients with chronic cardiac failure.
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