Hip and knee replacement
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Elderly patients undergoing major orthopedic surgery with general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Patients with previous mental history and current nervous system diseases; 2. Patients with positive physical signs in nervous system examination; 3. The left ventricular ejection fraction (EF) was less than 40%; 4. Patients who refused / failed to complete the preoperative cognitive function test; 5. MMSE score (Full Score: 30): illiterate < 17, primary < 20, middle school and above < 24.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| RNA; | — |
Secondary
| Measure | Time frame |
|---|---|
| IL;CRP;TNF-a; | — |
Countries
China
Contacts
West China Hospital of Sichuan University