BACKGROUND: The incidence of cardiac arrest is high, with a poor survival rate of 8-14%. Currently, only limited evidence is available about long-term consequences of cardiac arrest on quality of life of caregivers. AIMS: First, to determine the level of daily functioning and quality of life in caregivers of cardiac arrest survivors two years after the cardiac arrest. Second, to study the long-term impact of witnessing the event of a cardiac arrest. METHODS: A longitudinal cohort study including caregivers of cardiac arrest survivors. Participants received a questionnaire at home. Outcome variables were instrumental daily activities(FAI), emotional functioning(HADS), fatigue(FSS), caregiver strain(CSI), impact of event(IES), and quality of ...