Prevention of Postoperative Delirium After Acute Surgery

The aim of this trial is to evaluate the implementation and effect of an evidence based, multicomponent intervention on postoperative delirium, when fast implemented throughout the patients stay in hospital before, during and after acute surgery in a risk population, the primary outcome being frequency of patients with positive Confusion Assessment Method (CAM) score. The hypothesis is that the frequency of postoperative delirium will be reduced after implementation of the preventive interventions.