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Year : 2019  |  Volume : 8  |  Issue : 1  |  Page : 19-22

Walking performance in the 6-min walk test and gait speed in patients undergoing open heart surgery: A preliminary cohort study

1 Department of Physiotherapy, Faculty of Allied Health Sciences, Thammasat University, Pathum Thani, Thailand
2 Physical Therapy Center, Thammasat University Hospital, Pathum Thani, Thailand

Correspondence Address:
Dr. Kornanong Yuenyongchaiwat
Department of Physiotherapy, Faculty of Allied Health Sciences, Thammasat University, 99 Moo 18, Paholyothin Road, Klong Luang, Rangsit, Prathum Thani, 12120
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/rcm.rcm_27_18

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Context: The 6-minute walk test (6-MWT) has been commonly used to assess patients after open heart surgery. However, due to some situations, where patients could not perform the test for the duration of 6-minutes, a short walking distance test has been utilized to test the patients (i.e., 5-meter walk distance: 5-MWD). However, little is known whether fixed duration walking test, or fixed-distance walking test, regarding to the prediction of duration of hospital admission. Aims: The aim of the study was to evaluate the 6-MWT and 5-MWD in patients who had undergone open heart surgery, in order to predict hospital admission. Settings and Design: A prospective cohort study was designed at Thammasat University Hospital, Thailand. Methods and Material: Fifty-seven participants, who had open heart surgery were recruited and were asked to perform 6-MWT and 5-MWD pre and post-operative heart operation. Statistical Analysis Used: Regression analysis was used to test the prediction of the length of hospital admission and the walking performance.Results: A regression analyses indicated that after adjustment for age and gender, baseline 5-MWD and 6-MWT were associated with increased the hospital admission (ΔR2 = 0.112 and ΔR2 = 0.068, respectively). Conclusions: The 5-MWD might be an alternative to predict the length of hospital admission in patients who had undergone open heart surgery.

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