经伤椎单侧置钉短节段非融合内固定术治疗轻度胸腰椎爆裂骨折

目的探讨经伤椎单侧置钉短节段非融合内固定术治疗轻度胸腰椎爆裂骨折的手术效果。方法回顾性分析自2010—05—2012—05收治的33例胸腰椎爆裂骨折的临床资料，包括A组14例行经伤椎单侧椎弓根钉5钉固定术．B组19例行经伤椎椎弓根钉6钉固定术。结果33例获随访3～24个月。平均12．8个月。比较各组内骨折椎前缘高度、矢状面Cobb角、CT椎管占位、腰背部疼痛评分，术前、术后差异有统计学意义（P〈0．05），但两组间比较差异无统计学意义（P〉0．05）。两组手术时间、出血量、内固定失败率比较差异无统计学意义（P〉0．05）。结论经伤椎椎弓根单侧非融合内固定术是治疗轻度胸腰椎爆裂骨折的有效手段之一。

Unilateral vertebral short-segment pedicle screw fLxation with non-fusion through fracture vertebra for mild thoracolumbar burst fractures

Objective To evaluate the surgical result of unilateral vertebral short-segment pedicle screw fixation for the treatment of mild thoracolumbar burst fractures with non-fusion. Methods Thirty-three cases of mild thoracolumbar burst fracture from May 2010 to May 2012 were reviewed retrospectively. The patients were divided into two groups according to the operation method. Fourteen cases of group A were performed with the unilateral fixation of five vertebral pedicle screws. Nineteen cases of group B were performed with the bilateral fixation of six vertebral pedicle screws. Results All the cases were followed up for 3-24 months （average 12.8 months）. Postoperative fractured vertebral height and Cobb＇s angle,canal compression of CT scan of two groups and back pain had significant difference compared with preoperative ones （P 〈0.05）,but postoperative indexes had no statistical significance （P 〉0.05） between the 2 groups. Group A and group B had no statistical significance （P 〉0.05） in operation time,blood loss and internal fixation failure . Conclusion The uni/ateral vertebral short- segment pediele screw fixation with non-fusion through the fracture vertebral is an effective therapeutic option to treat the mild thoracolumbar burst fractures.