Interest in Combining Intraoperative ElectroEncephaloGram (EEG) With Assessment of Frailty to Predict Postoperative Delirium in Patients Aged >75 Years Undergoing Major Non-cardiac Surgery

Interest in Combining Intraoperative ElectroEncephaloGram (EEG) With Assessment of Frailty to Predict Postoperative Delirium in Patients Aged >75 Years Undergoing Major Non-cardiac Surgery

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.

Inclusion Criteria:

• Patients of 75 yo or more undergoing a major non-cardiac surgery

Exclusion Criteria:

• Patients of less than 75 yo
• Cardiac surgery
• Minor surgery
• Opposition to the study protocol
• Presence of a delirium prior to the surgery