73
Participants
Start Date
June 30, 2016
Primary Completion Date
August 31, 2016
Study Completion Date
August 31, 2016
normal saline
receive equal volume of normal saline
dexmedetomidine 0.5 µg/kg
receive dexmedetomidine 0.5 µg/kg
dexmedetomidine 1.0 µg/kg
receive dexmedetomidine 1.0 µg/kg
General Hospital of Ningxia Medical University
OTHER