Anesthesia Maintenance With Target-controlled Infusion of Propofol and Remifentanil at Fixed Ratio
Conditions
- Elderly
- Surgery
- Depth of Anesthesia
- Total Intravenous Anesthesia
- Delayed Neurocognitive Recovery
Interventions
- DRUG: Light anesthesia
- DRUG: Deep anesthesia
Sponsor
Peking University First Hospital