Treatment of lumbar vertebral instability with posterior interbody fusion using autogenous bone and pedicle screw fixation / 中国矫形外科杂志

ABSTRACT

[Objective] To investigate the clinical effect of treatment of lumbar vertebral instability with posterior interbody fusion using autogenous bone and pedicle screw fixation.[Methods]Thirty-seven cases of lumbar instability were treated with posterior spinal canal,nerve root canal decompression,pedicle screw fixation and autogenous bone grafting,and results were evaluated.[Results]Postoperative follow up time was average 25 months(ranged,12-32 months).Excellent fusion was achieved in 29 cases and good fusion was achieved in 8 cases,with good-to-excellent rate of 100%.According to JOA standard efficacy evaluation,postoperative JOA score improved significantly than preoperative one(P