192
Participants
Start Date
October 31, 2011
Primary Completion Date
December 31, 2012
Study Completion Date
February 28, 2013
Dexmedetomidine
Intravenous infusion at rate of 0.4μg/kg/h, during the first 24 hours postoperatively
Normal saline
as placebo
Neuro-ICU, Beijing Tiantan Hospital, Capital Medical University, Beijing
Capital Medical University
OTHER