Feasibility of HIIT compared with MICT
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ADVERSE EVENTS
HIIT was well tolerated in a circuit-based clinical PR programme but required closer supervision to monitor participants’ target heart rate and avoid desaturation below 85%. There were no adverse events from HIIT during or after the PR programme; although attrition in the HIIT group was higher (42% compared with 28% in the MICT group) this did not appear to be due to a specific factor that could be directly attributed to the type of programme (