DELirium, Incidence, preVEntion and pRogression During Acute Intensive Neurological -Neurosurgical Rehabilitation (Delirinzidenz Und Verlauf während Des Aufenthaltes in Der Neurologisch- Neurochirurgischen Frührehablilitation Der Phase B (NNFR))

In this longitudinal cohort study the incidence of delirium is assessed for all patients being admitted to the acute intensive neurological-neurosurgical rehabilitation over 3 years. Delirium assessment will be performed daily from admission to discharge. Patients will be divided into 3 groups, according to the presentation of delirium on admission, during the course or not any during the stay in acute rehabilitation and compared regarding the treatment and outcome.