20
Participants
Start Date
April 25, 2025
Primary Completion Date
May 25, 2025
Study Completion Date
May 26, 2025
Preemptive Analgesia Of Dexmedetomidine
Preemptive Analgesia Of Dexmedetomidine 1.5 μg · kg-1·h-1 before operation
Xuanwu hospital, Beijing
China International Neuroscience Institution
OTHER