Feasibility of Closed-loop TCI Based on New EEG Baseline in the Presence of Low Dose of Esketamine
Conditions
- General Anesthesia With Propofol
- Closed-Loop
Interventions
- DRUG: Esketamine at low dose
- DEVICE: new BIS baseline
- DRUG: an equivalent dose of saline
- DEVICE: original BIS baseline
Sponsor
bo xu