300
Participants
Start Date
November 30, 2021
Primary Completion Date
May 10, 2022
Study Completion Date
May 10, 2022
Propofol
The low maintenance dose propofol group was maintained at 4-6 mg/kg/h ;and The high maintenance dose propofol group was maintained at 8-12 mg/kg/h
Shengjing Hospital, Shenyang
Shengjing Hospital
OTHER