Impact on Family or Care-givers of Very Old ICU-survivors, Trajectories and 6 Months' Outcome in the Very Old.

Aims of the study * Results from family/care givers experience: Degree of involvement with post-ICU care, impact on their own health (depression, PTSD, burden questionnaire) * Effect of a simple intervention: on-line support and/or telephone advice on Return to pre-ICU frailty score (patients) and Occurrence of PTSD and depression in care-givers * Information on 6 months' outcome (frailty and mortality) in very old survivors after ICU in different European countries * Information on trajectories in the time after discharge: Dead/alive, home, nursing home, new hospital admissions, living with family/other care-givers, etc.