Effects and Safety of Oliceridine in Anesthesia Induction:A Randomised Controlled Trial

Inclusion Criteria: 1. Age 18-65 years; 2. American Society of Anesthesiologists (ASA) physical status I-II; 3. Elective gynecologic laparoscopic surgery; 4. Expected operative time 60-180 minutes; Exclusion Criteria: 1. Severe cardiovascular instability (e.g., acute decompensated heart failure, acute myocardial infarction, or life-threatening arrhythmia); 2. Uncontrolled hypertension; 3. Severe renal or hepatic dysfunction; 4. Severe mental disorder or psychiatric illness; 5. Known allergy or hypersensitivity to opioids; 6. History of alcohol abuse or opioid addiction; 7. Anticipated difficult airway; 8. Pregnancy or lactation;