Chest
ReviewsA Qualitative Systematic Overview of the Measurement Properties of Functional Walk Tests Used in the Cardiorespiratory Domain
Section snippets
Literature Search
A computer search of the English-language medical literatureusing the databases MEDLINE (1966 to January 2000) and CINAHL (1982 to, December 1999) was conducted. Combinations of the following key wordswere used: exercise test, walk,walking, heart diseases, lungdiseases, and cardiopulmonary. A further manual searchexamined the key references provided in each article, and potentialarticles were retrieved. Investigations published only in abstract formwere not included, and no attempt was made to
Literature Search
More than 120 articles were identified through the electronicdatabase and manual searches. Of these, 52 were clinical trials orobservational studies that reported on the measurement properties ofthe 2MWT, 6MWT, 12MWT, SPWT or SWT; the others were reviews or onlyreported the existence or use of the selected or other walk tests.Table 1 summarizes the evidence for thedifferent measurement properties of the selected walk tests.
2MWT
Five studies on the 2MWT were found (Table 2). Of these, two studies
Discussion
The measurement of functional status and capacity has become anintegral component of evaluating the impact of an intervention anddetermining prognosis in patients with cardiorespiratory disease. Thisqualitative systematic review has examined the measurement propertiesof the most commonly used functional walk tests in thecardiorespiratory domain. Most of the literature found evaluatingmeasurement properties of functional walk tests pertained to the 6MWTand 12MWT. Few studies have been conducted
Conclusion
The 2MWT, 6MWT, 12MWT, SPWT, and SWT are functional walk teststhat are used in the assessment of patients with cardiorespiratorydisease. Measurement properties of the 6MWT have been the mostextensively researched and established. In addition, the 6MWT is easyto administer, better tolerated, and more reflective of activities ofdaily living than the other walk tests. Therefore, the 6MWT iscurrently the test of choice when using a functional walk test forclinical or research purposes. The 6MWT
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