椎弓根定位在治疗胸腰椎骨折中的临床意义

目的参照椎弓根解剖标志定位，利于椎弓根螺钉准确置入，达到脊柱后路钉棒系统连接内固定器，以有效治疗胸腰椎骨折。方法传统手术方式：暴露椎板、椎弓根生理窝、关节突、副突、横突，于椎弓根生理窝外缘咬平骨皮质，用椎弓根锥经咬平的皮质处与椎体终板平行呈内倾10°～15°角钻入椎弓根，到达椎体中央前中柱，置入椎弓根螺钉与连接器固定。结果23例胸腰椎骨折手术病人，共138个椎弓根定位和椎弓根螺钉内固定。CR片结果显示：定位准确，达到预先设计定位要求。结论尽管有C臂引导定位，但参照椎弓根解剖标志定位仍有现实的临床应用意义。

The clinical significance of pedicle positioning in treatment of thoracic and Imbar spine fractures

Objective The anatomical landmark positioning of pedicle was beneficial for accurate screw placement to pedicle for posterior spinal fixation connecting rod system in effective treatment of thoracic and lumbar spine fractures. Methods Conventional surgical procedure： exposed lamiuectomy, transverse process, vice process, facet, pedicle physiological pit, drilling at outer layer of pedicle physiological pit by bite pedicle -cone drill in dumping within 10° - 15 °angle, direct to vertebral column before the implantation of pedicle screw fixation with connector. Results 138 pedicle positioning and pedicle screw fixation were carried out in 23 patients with thoracic vertebral fractures on basis of CR examination for accurate positioning at the pre - designed location. Conclusion Despite of c - ann positioning, the clinical application of positioning pedicle anatomical landmark still has real clinical significance.