Post-operative delirium (POD) is known to be independently associated with pre-operative frailty, pre-operative cognitive status and per-operative ElectroEncephaloGram (EEG). However, no study has focused on the impact of these pre- and peri-operative outcomes on the prediction of Post-operative delirium (POD). Therefore, this study has been designed to assess the performance of a new score that includes pre-operative frailty, and per-operative ElectroEncephaloGram (EEG) in predicting post-operative delirium.
Patients of 75 yo or more undergoing a major non-cardiac surgery
Patients of less than 75 yo
Cardiac surgery
Minor surgery
Opposition to the study protocol
All patients older than 75 yo, undergoing a major non-cardiac surgery under general anesthesia will be included.
Cohort
Prospective
Detection of the Post-operative delirium (POD)
BehavioralDetection of the early Post-operative delirium (POD) to assess the performance of a new composite score with pre-operative frailty, and per-operative ElectroEncephaloGram (EEG).
Onset of an early Post-operative delirium (POD)
Investigation of an early Post-operative delirium (POD), with Confusion Assessment Method (CAM) criteria, 9-question test which assesses the presence, severity and fluctuation of nine clinical features of delirium, on a scale from 0 to 19. Higher scores indicate more severe delirium.
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