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Posterior lumbar interbody fusion and short segment transpedicular screw fixation for the treatment of spinal instability
Author(s): 
Pages: 174-177
Year: Issue:  3
Journal: JOURNAL OF SOUTHEAST UNIVERSITY(MEDICAL SCIENCE EDITION)

Keyword:  脊柱融合术内固定器关节不稳定性/外科腰椎;
Abstract: 目的:探讨使用腰椎椎间螺纹融合器联合腰椎短节段固定,行后路下腰椎椎体间融合术治疗腰椎不稳的方法.方法:对28例腰椎不稳症患者使用Sofamor Danek公司直径为12、14、16mm的柱形椎间螺纹融合器行腰椎椎间融合,其中27例联合应用短节段椎弓根螺钉系统固定.根据不同病情分别给予滑移矫正或(和)椎间隙撑开.结果:28例29个间隙应用腰椎椎间螺纹融合器行下腰椎椎间融合.手术中为安全置入椎间融合器需要切除部分或全部椎间小关节,切除的范围在30%左右.术后X线透视可见椎间隙形态恢复正常.28例患者得到随访,26例满意或基本满意.结论:应用腰椎椎间螺纹融合器行下腰椎椎间融合时,需要部分或全部切除椎间小关节,以得到足够空间置入适当直径的腰椎椎间螺纹融合器.同时采用短节段椎弓根螺钉系统固定,可重建病变椎间隙,矫正脊柱结构并恢复脊柱强度.
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