[Mortality in patients with dementia admitted in critical care units]

To determine the mortality and comorbidities associated of patients with dementia admitted to the Intensive Care Unit (ICU) on the hospitalization and at one year of follow-up.

A retrospective observational cohort study was carried out between 2012 and 2017 at the Hospital Italiano de San Justo, of patients who were admitted to the ICU, these were observed up to hospitalary death, out hospital death one year of hospitalization, the disenrollment from the institution's health plan or the end of the follow-up.

A total of 163 patients were included for analysis. We recorded those 79 patients (48.47%) died one year after the hospitalization, of them 25 (15.34%) in ICU and 8 (4.91%) in general room. The most frequent causes of death were respiratory. The factors most associated with mortality were: orotracheal intubation (HR=2.01; 95% CI: 1.11-3.65; P=.02), history of leukemia (HR=8.55; 95% CI: 1.82-40.05; P≤.05), elevated Charlson (HR=1.16, 95% CI: 1.04-1.41; P=.05), and elevated APACHE II at admission (HR=1.07; 95% CI: 1.03-1.11; P≤.05).

The present study expresses the prognosis of patients with a diagnosis of dementia admitted to the ICU and that depends not only on their baseline neurological status but also on the severity at admission and comorbidities.