80
Participants
Start Date
August 31, 2014
Primary Completion Date
February 28, 2015
Study Completion Date
February 28, 2015
transversus abdominis plane block
transversus abdominis plane block with 20 mL saline
transversus abdominis plane block
transversus abdominis plane block with 20 mL 0.25% ropivacaine
the First Hospital of China Medical University, Shenyang
China Medical University, China
OTHER