Methods To analyze the data of 39 cases of lumbar spondylolisthesis treated with decompression, intervertebral bone graft and GSS pedicle screw system retrospectively.

• 方法对39例腰椎滑脱症患者施行腰椎椎板减压,椎体间植骨和GSS椎弓根螺钉系统内固定手术的临床资料进行回顾性分析。