None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age =60 years; Patients undergoing lower limb orthopedic surgery; ASAII.~IV grade; all signed informed consent;
Exclusion criteria
Exclusion criteria: (1) Severe hepatic and renal insufficiency; (2) Patients with severe central nervous system diseases; (3) Patients with a history of drug abuse, drug abuse, and drug dependence; (4) History of alcoholism and long-term use of sedatives and opioids.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Patient's QoR15 score on the first day after surgery; | — |
Countries
China
Contacts
First Affiliated Hospital of Anhui Medical University