34
Participants
Start Date
January 31, 2014
Primary Completion Date
February 28, 2014
Study Completion Date
February 28, 2014
Nerve block
Patients in this group were assigned to receive lumbar plexus block and sciatic nerve block both using 0.33% ropivacaine 30ml guided by PNS
Combined spinal and epidural anesthesia
Combined spinal and epidural anesthesia were performed in patients of this group with 0.5% hyperbaric bupivacaine 8\~10mg at L2-3 or L3-4.
Ropivacaine
Patients will be assigned to receive lumbar plexus block and sciatic nerve block both using 0.33% ropivacain 30ml guided by PNS.
Bupivacaine
Combined spinal and epidural anesthesia will be performed in patients with 0.5% hyperbaric bupivacaine 8\~10mg.
Guangzhou Military Region General Hospital, Department of Anesthesiology, Guangzhou
Guangzhou General Hospital of Guangzhou Military Command
OTHER