64
Participants
Start Date
September 1, 2022
Primary Completion Date
May 30, 2023
Study Completion Date
December 31, 2023
dexmedetomidine
The participant will pump dexmedetomidine at the rate of 1μg/(Kg·h) for 10 minutes at the beginning of anesthesia induction, and then maintain the pump at a rate of 0.5μg/(Kg·h) during the operation.
Placebo
The participant will pump saline without dexmedetomidine at the same speed as group D.
Affiliated Hospital Nantong University, Nantong
Affiliated Hospital of Nantong University
OTHER