420
Participants
Start Date
July 18, 2022
Primary Completion Date
November 30, 2025
Study Completion Date
December 30, 2025
Dexmedetomidine
The 200ug dexmedetomidine will be diluted into a 50ml syringe and administered with 0.4ug/kg/h intraoperatively.
0.9% saline
The 0.9% saline is administered with the same volume at the same speed as the other group.
RECRUITING
Beijing Tian Tan Hospital, Capital Medical University, Beijing
Beijing Tiantan Hospital
OTHER