250
Participants
Start Date
November 30, 2010
Primary Completion Date
June 30, 2012
Study Completion Date
September 30, 2012
midazolam
Prior to performing the regional anesthesia the investigators administered midazolam as a premedication by mouth (3,75-7,5mg) or intravenously (2-3mg).
Prilocaine 1%
20ml Prilocaine 1% for distal sciatic nerve block (30ml Prilocaine 1% in outpatients)
Ropivacaine 0.75%
10ml Ropivacaine 0.75% for distal sciatic nerve block (not in outpatients)
Prilocaine 1%
10ml Prilocaine 1% for saphenous nerve block
ultrasound guidance
In group US the sciatic nerve localization and needle guidance is realized using ultrasound.
nerve stimulation technique
In the group NS sciatic nerve localization and needle guidance is realized using nerve stimulation technique. However, ultrasound is used observing (Observer) the procedure, but blinded for the physician (Anesthetist) performing the block.
Lead Sponsor
Helios Research Center
OTHER