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Early rehabilitation during extracorporeal membrane oxygenation has minimal impact on physiological parameters: a pilot randomised controlled trial
journal contributionposted on 31.03.2021, 06:26 by Kathryn Hayes, Anne Holland, VA Pellegrino, Mark Young, E Paul, CL Hodgson
© 2020 Australian College of Critical Care Nurses Ltd Background: Patients on extracorporeal membrane oxygenation (ECMO) often require prolonged periods of bed rest owing to their severity of illness along with the care required to maintain the position and integrity of the ECMO cannula. Many patients on ECMO receive passive exercises, and rehabilitation is often delayed owing to medical instability, with a high proportion of patients demonstrating severe muscle weakness. The physiological effects of an intensive rehabilitation program started early after ECMO commencement remain unknown. Objectives: The primary objective of this study was to describe the respiratory and haemodynamic effects of early intensive rehabilitation compared with standard care physiotherapy over a 7-d period in patients requiring ECMO. Methods: This was a physiological substudy of a multicentre randomised controlled trial conducted in one tertiary referral hospital. Consecutive adult patients undergoing ECMO were recruited. Respiratory and haemodynamic parameters, along with ECMO settings, were recorded 30 min before and after each session and continuously during the session. In addition, the minimum and maximum values for these parameters were recorded outside of the rehabilitation or standard care sessions for each 24-h period over the 7 d. The number of minutes of exercise per session was recorded. Results: Fifteen patients (mean age = 51.5 ± standard deviation of 14.3 y, 80% men) received ECMO. There was no difference between the groups for any of the respiratory, haemodynamic, or ECMO parameters. The minimum and maximum values for each parameter were recorded outside of the rehabilitation or standard care sessions. The intensive rehabilitation group (n = 7) spent more time exercising per session than the standard care group (n = 8) (mean = 28.7 versus 4.2 min, p < 0.0001). Three patients (43%) in the intensive rehabilitation group versus none in the standard care group mobilised out of bed during ECMO. Conclusions: In summary, early intensive rehabilitation of patients on ECMO had minimal effect on physiological parameters.