464
Participants
Start Date
July 1, 2019
Primary Completion Date
October 30, 2020
Study Completion Date
October 31, 2020
Dexmedetomidine
0.5μg/kg Dexmedetomidine as initial loading dose is given for 15 minutes before induction of anesthesia, followed by a maintenance infusion of 0.4μg/kg/h and stopped 30 minutes before the surgery over.
Saline
0.5μg/kg saline as initial loading dose is given for 15 minutes before induction of anesthesia, followed by a maintenance infusion of 0.4μg/kg/h and stopped 30 minutes before the surgery over.
The First Affiliated Hospital of Anhui Medical University, Hefei
Hangzhou cancer hospital, Hangzhou
Hangzhou Cancer Hospital
OTHER
The First Affiliated Hospital of Anhui Medical University
OTHER