140
Participants
Start Date
January 1, 2014
Primary Completion Date
July 31, 2017
Study Completion Date
December 31, 2017
percutaneous endoscopic lumbar discectomy
Resection of the hypertrophied faceted joints, osteophyte formation and ligamentum flavum (LF) hypertrophy, with or without disc protrusion for degenerative spinal stenosis.
Second Affiliated Hospital of Wenzhou Medical University
OTHER