60
Participants
Start Date
October 31, 2011
Primary Completion Date
May 31, 2013
Study Completion Date
May 31, 2013
paraspinous anesthetic block
Paraspinous anesthetic block with lidocaine 1% in sensitized segments of the thoracolumbar region
subcutaneous puncture with no anesthetic effect
Subcutaneous puncture with injection needle (no substance will be injected)
Hospital de Clínicas de Porto Alegre, Porto Alegre
Hospital de Clinicas de Porto Alegre
OTHER