84
Participants
Start Date
July 5, 2017
Primary Completion Date
August 24, 2018
Study Completion Date
November 20, 2018
Ketamine
Ketamine will be administrated intravenously at dural opening, with the total dose of 0.5 mg/kg and continual infusion for 40 minutes.
Normal saline
Normal saline will be administrated intravenously at dural opening, with the total dose of 0.5 ml/kg and continual infusion for 40 minutes.
Beijing TianTan Hospital, Beijing
Beijing Tiantan Hospital
OTHER