42
Participants
Start Date
November 30, 2011
Primary Completion Date
January 31, 2012
Study Completion Date
January 31, 2012
dexmedetomidine group
1-1.5cmg/kg dexmedetomidine infusion within 10 minutes, while followed by maintainly infusing 0.7cmg/kg/min dexmedetomidine
remifentanil group
target controlled 3.5-4ng/ml remifentanil infused(blood plasma concentration)
Shanghai JiaoTong University, School of Medicine, Shanghai
Shanghai Ninth People's Hospital affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai
Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
OTHER