627
Participants
Start Date
March 20, 2025
Primary Completion Date
March 31, 2026
Study Completion Date
March 31, 2026
Preoperative sedation with dexmedetomidine was administered nasal before surgery
Do not drink or fast before operation. Before entering the operating room, 2 sprits of dexmedetomidine were administered intranasally (1-2ug/kg) with conventional open venous access
Preoperative sedation with normal saline was administered nasal before surgery
Do not drink or fast before operation. Before entering the operating room, 2 sprits of normal saline were administered intranasally (equal volume) with conventional open venous access
Fuzhou Hua
OTHER