椎弓根固定加椎间植骨治疗腰椎滑脱症

Pedicle screw fixation and posterior lumbar interbody fusion in treatment of lumbar spondylolisthesis

目的 探讨经后路椎弓根螺钉复位固定加椎体间植骨融合治疗腰椎滑脱的疗效。方法采用椎弓根内固定系统，手术复位固定后，从两侧进入椎间隙取出椎间盘及纤维环，取髂骨块植骨融合。结果29例患者获得随访，平均随访时间16个月（9～26个月）。26例症状完全消失或缓解，优良率89．6％。结论椎弓根固定系统加椎间植骨治疗腰椎滑脱症效果满意。

Objective To discuss the efficacy of reduction and fixatiou by pedicle screw systemand iliac dowel graft placement in the treatment of lumbar spondylolisthesis. Methods From January 2003 to Decmber 2006,29 cases with lumbar spondylolisthesis were treated with pedicle screw system and iliac dowel graft place- ment. Results Twentynine patients were followed up from 9-26 months（ 16 months on average）. 26 cases were healed or alleviated. The excellent rate was 89.6%. Conclusion This technique has been found to be a safe, rapid effective procedure for lumbar spondylolisthesis and satisfaction.