Clinical Research Directory

Inclusion Criteria: * 1\. Scheduled painless gastroscopy examination and treatment 2\. Age 60-75 years old 3\. ASA grade Ⅰ-Ⅱ 4\. The respiratory tract is unobstructed and there is no difficult airway 5\. No history of allergy to etomidate and cyclopropofol 6\. Participants with normal heart, liver, lung, and kidney functions 7\. Able to complete the QoR-15, MMSE, and HADS scale assessments 8\. lnformed consent, voluntary participation in the trial, and signed by the patient informed consent Exclusion Criteria: * 1\. Participants with concurrent dysfunction of major organs. 2\. Participants with a history of mental illness and abuse of sedative drugs 3\. Participants with allergies or contraindications to the study drugs 4\. Participants with severe visual, auditory, or speech communication impairments 5\. Participants with acute gastrointestinal inflammation or obstruction 6\. History of uncontrolled diabetes, hypertension, and hypotension 7\. Participants with malignant tumors, severe hyperkalemia, bronchial asthma, or excessive obesity (BMI \> 30kg/m2) 8\. Participants with aneurysmal vascular diseases of the thoracic and abdominal aorta, intracranial and peripheral arterial vessels. 9\. Unable to cooperate with the QoR-15, MMSE, and HADS scale assessments