40
Participants
Start Date
June 30, 2011
Primary Completion Date
April 30, 2012
Study Completion Date
January 31, 2013
Open microdiscectomy
The open microdiscectomy, will be performed under general anesthesia in the prone position with horizontal. The level of the spine indicated for surgical treatment will be identified with the aid of fluoroscopy. An incision is made about the dorsal disc level involved with dissection of the paravertebral muscles on the side of disc herniation. After laminectomy and resection of part of the yellow ligament, partial discectomy is done under direct vision.
Percutaneous Diskectomy SpineJet
Percutaneous Diskectomy SpineJet be performed under local anesthesia, in which a needle is placed via percutaneous posterolateral extra-pedicular, below the neural foramen in the center of the disc, using the traditional approach for discography. The researcher will confirm the proper placement of the needle in front and side incidences on the fluoroscopy.
Institute of Orthopedics and Traumatology of the USP, São Paulo
University of Sao Paulo
OTHER