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OBJECTIVES: Lung transplantation (LTx) candidates have severe exercise intolerance. This makes it difficult for them to complete the field tests used to determine the exercise capacity of patients. Therefore, there is a need for alternative tests that require less effort. We aimed to investigate the use of short-timed performance tests instead of 6-minute walk test (6MWT) in the determination of exercise capacity in LTx.
MATERIALS AND METHODS: A total of 63 LTx candidates were included in the study. Ten-meter walking speed test (10MWT), 5-times sit-to-stand test (5XSST), 6MWT were performed at one-hour intervals within the same day, and by the same physiotherapist in all patients. Maximal inspiratory (MIP) and expiratory pressure (MEP), peripheral muscle strengths, pulmonary function tests, and body mass index (BMI) were recorded for each patient.
RESULTS: The subjects’ baseline mean 6-minute walking distance (6MWD) was 336m, 5XSST time was 11.59 sec, and 10MWT time was 8.45sec. There was a negative and moderate correlation between 6MWD and 10MWT (p<0.001, r=0.449). Similarly there was a negative but weak correlation between 6MWD and 5XSST (p=0.001, r=0.397). In addition, there was a strong relationship between 5XSST and 10MWT (p<0.001, r=0.767).
CONCLUSION: This study showed that 6MWT and short-timed performance tests were correlated in terms of exercise capacity assessment. In contrast, there was a strong relationship between 6MWT and 10MWT according to 6MWT and 5XSST. The timed performance tests may be alternative tests to determine exercise capacity in LTx candidates.
Cite this article as: Pehlivan E, Balcı A, Kılıç L, Yazar E. Is it possible to use the timed performance tests in lung transplantation candidates to determine the exercise capacity? Turk Thorac J 2020; 21(5): 329-33.