Prevalence Study : Elderly Patients and Rehabilitation in ICU. Impact of Frailty.

Organ failures

During the patients' hospitalization in ICU, the following data were collected last day in ICU: the need for dialysis during ICU the duration of mechanical ventilation (number of days under mechanical ventilation) the duration of shock (number of days under catecholamines)

Time frame: About 8 days

Nutritional support

Nutritional intake during ICU stay, from the first day to the patient's exit, including route of administration (enteral, parenteral), last day in ICU we assessed: number of days under enteral nutrition number of days under enteral parenteral nutrition calculation of the average calorie / day

Time frame: About 8 days

Rehabilitation

Last day in ICU, we record the highest level of mobilization achieved during the ICU period, the following ordinal scale was used: 1) no mobilization, 2) turning in bed, 3) sitting in bed with the head of bed elevated, 4) sitting on the edge of the bed with feet on floor, 5) sitting out of bed in a chair, 6) standing out of bed, 7) marching in place, 8) walking, 9) using cycloergometer and 9) using electrical muscle stimulation.

Time frame: About 8 days

Mortality

ICU mortality and Hospital mortality Decision of therapeutics limitation. Length of stay (ICU and hospital stay).

Time frame: 90 days