340
Participants
Start Date
September 2, 2024
Primary Completion Date
March 28, 2025
Study Completion Date
May 1, 2025
Dexmedetomidine
Dexmedetomidine 0.5 µg/kg is administered via nasal spray at 20:30 pm the day before surgery and at 07:30 am and 20:30 pm the day of surgery.
Esketamine
Esketamine 0.2 mg/kg is administered via nasal spray at 20:30 pm the day before surgery and at 07:30 am and 20:30 pm the day of surgery.
Normal saline
Normal saline at the same volume is administered via nasal spray at 20:30 pm the day before surgery and at 07:30 am and 20:30 pm the day of surgery.
Peking University First Hospital, Beijing
Peking University First Hospital
OTHER