Comparison Between Remimazolam Tosilate and Midazolam in Elderly Patients Undergoing Gastrointestinal Endoscopy

Exclusion Criteria

• •1. Those who are refused to be included;
• •2. Those who are allergic to the drugs used in this study;
• •3. Epilepsy and other mental illnesses, a history of addiction such as opiates and other analgesics and/or tranquilizers (hypnotics);
• •4. Severe cardiac dysfunction: NYHA cardiac functions grade 3-4, a history of recent myocardial infarction or cerebral infarction, severe conduction block or malignant arrhythmia;
• •5. Renal failure or liver cirrhosis;
• •6. Severe lung infection or upper respiratory tract infection;
• •7. Sleep apnea syndrome, difficult airway (Mallampati score of 3 or 4) or asthma status;
• •8. Advanced cancer accompanied by extensive intra-abdominal metastasis, acute and chronic obstruction of the gastrointestinal tract, bleeding and severe abdominal effusion;