Effect of Deep Analgosedation vs. Endotracheal Intubation General Anesthesia on on Perioperative Sedation Related Adverse Events in Elderly ERCP Patients

Exclusion Criteria

• •1: Altered gastrointestinal anatomy, delayed gastric emptying, or gastric outlet obstruction； 2.Coagulopathy or epistaxis tendency; 3.Cardiac diseases (e.g., coronary artery disease, heart failure, arrhythmias); 4.Pulmonary diseases (e.g., asthma, COPD); 5.Prior hypersensitivity to anesthetic agents; 6.Active upper respiratory infection； 7.Severe liver and kidney diseases； 8.Difficult airway: Preoperative anesthesiologist assessment of difficult airway； 9.Psychiatric disorders, cognitive impairment, critical illness, or pregnancy.