114
Participants
Start Date
May 31, 2015
Primary Completion Date
September 30, 2015
Study Completion Date
October 31, 2015
Ropivacaine
brachial plexus block with ropivacaine 0.275%, MEV90 for USG-SCB (young group) brachial plexus block with ropivacaine 0.325%, MEV90 for USG-SCB (middle-aged group)
Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan
Huazhong University of Science and Technology
OTHER