64
Participants
Start Date
May 31, 2014
Primary Completion Date
October 31, 2016
Study Completion Date
October 31, 2016
Continuous lumbar plexus: stimulating catheter
"Perinervous stimulating catheter (Stimulong, Pajunk, Germany) will be insert in lumbar plexus through tuohy needle (18G, 100mm length). 15ml mepivacaine 1% are injected before the complete resolution of the spinal anesthesia."
Spinal Anesthesia
Spinal anesthesia will be perform at L3-L4 or L4-L5 level. Levobupivacaine 0,5% 15mg will be injected.
Local anesthetic infusion
Continuous infusion (Mini Rythmic Evolution, Micrel) of ropivacaine 0,2% at 3ml/h, bolus 3 ml, lockout time 15 min, 12 ml/h maximum dose through perinervous catheter until 3rd postoperative day
Intravenous analgesia
Ketorolac 30mg 3 times a day
Opioids rescue analgesia
Buprenorphine 0,2mg twice a day if VAS\>4
Mepivacaine 1%
Levobupivacaine 0,5%
Ropivacaine 0,2%
Ketorolac 30mg
Buprenorphine 0,2mg
Stimulong, Pajunk, Germany.
Continuous lumbar plexus: non-stimulating catheter
Istituto ortopedico Gaetano Pini, Milan
ASST Gaetano Pini-CTO
OTHER