Comparison of the Sit-to-Stand Test with the 6-Minute Walk Test in Post-Coronary Artery Bypass Graft Patients

Radchaphoom  Anukul; Patrawut  Intarakamhang; Chanwit  Phongamwong; Phatra Meesuksabai

Authors

Radchaphoom Anukul Department of Physical Medicine and Rehabilitation Medicine, Phramongkutklao Hospital and Phramongkutklao College of Medicine, Bangkok, Thailand
Patrawut Intarakamhang Department of Physical Medicine and Rehabilitation Medicine, Phramongkutklao Hospital and Phramongkutklao College of Medicine, Bangkok, Thailand
Chanwit Phongamwong Department of Physical Medicine and Rehabilitation Medicine, Phramongkutklao Hospital and Phramongkutklao College of Medicine, Bangkok, Thailand
Phatra Meesuksabai Department of Physical Medicine and Rehabilitation Medicine, Phramongkutklao Hospital and Phramongkutklao College of Medicine, Bangkok, Thailand

Keywords:

sit-to-stand test (STST), 6-minute walk test (6MWT), coronary artery bypass graft (CABG), cardiac rehabilitation

Abstract

Objectives: To compare the sit-to-stand test and the 6-minute walk test in cardiac rehabilitation patients who had undergone coronary artery bypass graft (CABG) surgery

Study design: Cross-sectional study

Setting: Department of Physical Medicine and Rehabilitation, Phramongkutklao Hospital, Ratchathewi District, Bangkok

Subjects: Thai adults aged between 20 and 79 years who had undergone CABG and came to the hospital to receive cardiac rehabilitation as an outpatient

Methods: Participants started with the 6-minute walk test. After adequate rest, the participants then performed the sit-to-stand test. The 6-minute walk distance and sit-to-stand test results were recorded, along with blood pressure, heart rate and the rating of the perceived exertion scale before and after the tests.

Results: There were a total of 43 participants. The correlation coefficient (r) between the 6-minute walk test and the sit-to-stand test was 0.58 (p < 0.001), indicating a moderately significant correlation. The exercise intensities from both the sit-to-stand and 6-minute walk tests were light were considered safe.

Conclusions: A moderately significant correlation was demonstrated between the sit-to-stand test and the 6-minute walk test in post-CABG patients. The intensity of both tests was light and safe. The sit-to-stand test should be considered an alternative submaximal exercise test in outpatient cardiac rehabilitation services.

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