None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Age >= 65 years; 2. Meets the FRAIL Frailty Scale criteria for frailty; 3. Elective surgery that is not cardiothoracic or non-traumatic brain surgery; 4. the patient can communicate normally, and the patient or designee has signed an informed consent form.
Exclusion criteria
Exclusion criteria: 1. allergy to any of the drugs administered in the study; 2. Body mass index (BMI) >=30 kg/m^2; 3. History of severe hepatic injury, that is, Child-Pugh class C; 4. Currently on maintenance dialysis; 5. Congestive heart failure, such as New York Heart Association cardiac class III or IV; 6. untreated or unstable ischemic heart disease; 7. history of severe aortic or mitral valve disease; 8. use of antidepressants or antipsychotics; 9. anticipated difficulties with airway management; 10. Unsuccessful initial intubation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of hypotension after anesthesia induction; | — |
Secondary
| Measure | Time frame |
|---|---|
| Use of vasoactive drugs;Pain of injection;lost the consciousness time;Incidence of postoperative nausea and vomiting;Quality of postoperative recovery; | — |
Countries
China
Contacts
the First Affiliated Hospital of Anhui Medical University