Key result
Cycle ergometer exercise plus CPAP reduces ICU length of stay and preserves functional capacity after CABG.
Why the study?
The combined effect of aerobic exercise on a cycle ergometer with CPAP in the postoperative period after coronary artery bypass graft surgery had not yet been demonstrated.
Does physical exercise combined with CPAP improve functional capacity and reduce ICU length of stay in patients in the postoperative period after coronary artery bypass graft surgery?
RCT (n=31)
Does physical exercise combined with CPAP improve functional capacity and reduce ICU length of stay in patients in the postoperative period after coronary artery bypass graft surgery?
p-value: p=0.050
Adding dynamic exercises on a cycle ergometer combined with CPAP to standard rehabilitation in the early postoperative period after CABG helps maintain functional capacity and reduces ICU length of stay.
BACKGROUND: Aerobic exercise and CPAP benefit patients in the postoperative period of cardiac surgery. To our knowledge, the association of aerobic exercise on an exercise bicycle with CPAP has not yet been demonstrated. Therefore, we aimed to evaluate the effectiveness of physical exercise on a cycle ergometer combined with CPAP in the postoperative period after coronary artery bypass graft surgery. METHODS: This was a randomized clinical trial, with recruitment from May 2017 to December 2017 (registered in the Brazilian Clinical Trials Registry: RBR-69CDYF). The step group ( n = 16 subjects) started rehabilitation in the immediate postoperative period with breathing exercises and passive mobilization in the sitting position, progressing to active exercises, ambulation, and stair training. For the intervention group ( n = 15 subjects), dynamic exercises on a cycle ergometer combined with CPAP were added to the step program from the second to the fourth postoperative day in a single daily session. RESULTS: Functional capacity decreased in both groups, but this reduction was not significant in the intervention group ( P = .11). The length of stay in ICU was lower in the intervention group ( P = .050). In both groups there was a decrease in maximum inspiratory and expiratory pressure, as well as in the 1-min sit-to-stand test on the fourth postoperative day compared to the preoperative period. CONCLUSIONS: Physical exercise combined with CPAP promoted the maintenance of functional capacity and reduced the length of stay in the ICU.
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Windmöller et al. (2020) conducted an RCT in Postoperative period after coronary artery bypass graft surgery (n=31). Dynamic exercises on a cycle ergometer combined with CPAP vs. Step program (breathing exercises, passive/active mobilization, ambulation, stair training) was evaluated on Length of stay in ICU (p=0.050). Physical exercise on a cycle ergometer combined with CPAP reduced ICU length of stay (P=0.050) and maintained functional capacity compared to standard rehabilitation after CABG surgery.
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