Intraoperative hypotension is a common situation. It increases postoperative morbidity and mortality, especially in patients at high postoperative risk undergoing high-risk surgery. Intraoperative hypotension is partly related to anesthesia, and mainly to the combined, dose-dependent, synergistic effect of hypnotics and opioids. Monitoring sedation and monitoring analgesia reduce intraoperative consumption of each anesthetic agent. To date, the beneficial effect of combined sedation and analgesia monitoring on the reduction of intraoperative hypotension has only been found in one study, involving major abdominal surgery. Up to now, no study has been designed to demonstrate the benefit of monitoring the two components of anesthesia on postoperative organ dysfunction and mortality. The study propose to evaluate the relevance of a combined optimization of hypnotic and opioid agents on the most frequently encountered dysfunctions related to intraoperative hypotension.
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death
Timeframe: Day 30
Postoperative acute kidney injury (PO-AKI)
Timeframe: Day 30
cardiovascular complication
Timeframe: Day 30
neurological complication
Timeframe: Day 30
Post-operative delirium (POD)
Timeframe: Day 30