Adverse Cardiovascular Events During Painless Gastroscopy Diagnosis and Treatment in Elderly Frail Patients

The conscious sedation group (Group A) received sufentanil 0.05-0.1 5 minutes before examination μ G/kg, administration time 30 seconds, 1-2 mg of midazolam administered 2 minutes before examination; Evaluate the patient's MOAA/S score, insert a digestive endoscope at 2-3 minutes, and add 1-2mg of midazolam if the patient is unable to tolerate coughing or movement during the examination. Reevaluate the MOAA/S score, and continue the operation after 2-3 minutes;

Intravenous general anesthesia group (Group B): sufentanil 0.05-0.1 μ G/kg, administration time 30 seconds, 1mg/kg of propofol administered 2 minutes before examination. Depending on the patient's sleep status, 10mg of propofol can be administered every 30 seconds; Evaluate the patient's MOAA/S score. At 0-1 points, a digestive endoscope is inserted. If there is coughing or physical activity during the examination that the patient cannot tolerate, propofol 10-20mg can be administered multiple times. Evaluate the MOAA/S score again, and continue the operation after 0-1 points.