Purpose: To evaluate the psychological consequences among family members given the option to be present during the CPR of a relative, compared with those not routinely offered the option.
Methods: Prospective, cluster-randomized, controlled trial involving 15 prehospital emergency medical services units in France, comparing systematic offer for a relative to witness CPR with the traditional practice among 570 family members. Main outcome measure was 1-year assessment included proportion suffering post-traumatic stress disorder (PTSD), anxiety and depression symptoms, and/or complicated grief.