43
Participants
Start Date
July 31, 2012
Primary Completion Date
July 31, 2014
Study Completion Date
July 31, 2014
Bupivacaine
"20 ml of 0.5% bupivacaine for single-shot femoral nerve block will be done at the beginning then another 20 ml of 0.5% bupivacaine for periarticular block will be performed at the end of operation.~Blood sample will be drawn at 60 min after femoral nerve block and before periarticular block, 15, 30, 45, 60 min after periarticular block."
Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok
Mahidol University
OTHER