Summary: This randomized prospective study aims to compare the effects of two target-controlled infusion models, the Schnider and Eleveld models, on anesthetic depth and hemodynamic responses during anesthesia induction in adult patients undergoing spinal surgery. Patients scheduled for spinal surgery will be randomized into either the Schnider or Eleveld group. Before induction, standard monitoring will b...

Summary: There are 120,000 outpatient laparoscopic cholecystectomies with orotracheal intubation per year in France. Sufentanil is the most commonly used morphine during surgery in France, but morphines have harmful effects when administered for surgery. As with other morphine-based analgesics (painkillers), sufentanil can be associated with nausea and vomiting, confusion, itching and addiction. There is a...

Summary: This prospective, observational, non-randomized clinical study aims to evaluate the intraoperative and postoperative effects of opioid-free multimodal anesthesia compared with opioid-containing anesthesia methods in adult patients undergoing lumbar spinal surgery. Patients will be managed according to routine clinical practice and assigned to one of three groups based on the analgesic strategy use...