200
Participants
Start Date
September 1, 2020
Primary Completion Date
August 1, 2022
Study Completion Date
August 1, 2032
Limited decompressions at adjacent segment with asymptomatic pre-existing spinal canal stenosis
In terms of limited decompression at the adjacent segment, partial laminotomy, flavectomy, and bilateral medial facetectomies up to the pedicle will be performed. Complete laminectomy and destroy of posterior ligament complex will be avoided.
Responsible segments fused
In terms of responsible segments fused, L4-5 and L5-S1 were fused using posterior lumbar interbody fusion (PLIF).
RECRUITING
Peking University Third Hospital, Beijing
Peking University Third Hospital
OTHER