开窗减压椎间植骨融合内固定治疗退变性腰椎不稳Surgical treatment of degenerative lumbar instability with fenestration decompression,PLIF and internal fixation
王建钧;陈建庭;王素伟;
摘要(Abstract):
[目的]探讨开窗减压、椎间植骨融合(PLIF)内固定治疗老年退变性腰椎不稳。[方法]81例临床病人,男38例,女43例;年龄47~71岁,平均62岁;病变部位:L2、3间隙2例,L3、4间隙63例,L4、5间隙33例,L5S1间隙5例;2节段椎间融合21例,3节段椎间融合15例,4节段椎间融合2例;伴椎体Ⅰ度滑脱26例,伴有>15°侧凸的4例。术前常规摄腰椎正侧位、双斜位、腰椎过伸过屈动力位片、CT及MRI,了解椎管狭窄及椎体不稳程度;经腰椎后路行椎弓根钉棒系统内固定、开窗椎管减压、自体骨及Cage椎间植骨融合手术治疗,术中行撑开、提拉,将减压的自体椎板骨质修整,颗粒状碎骨填充于Cage,块状较大的骨块植入椎间隙,术后1周带腰围或佩戴支具下床活动。[结果]本组随访时间2~4年,术后均行X线片复查,随访X线片显示椎间植骨融合良好,椎体复位无丢失,螺钉无折断和松动。手术前、后椎体滑移距离和ODI指数两项参数的配对比较差异具有显著性。[结论]椎弓根钉棒系统内固定、开窗椎管彻底减压、自体骨混合Cage椎间植骨融合是治疗退变性腰椎不稳的一种有效手术方法。
关键词(KeyWords): 退变性腰椎不稳;椎弓根螺钉内固定;Oswestry功能障碍指数;椎间植骨融合
基金项目(Foundation):
作者(Author): 王建钧;陈建庭;王素伟;
Email:
DOI:
参考文献(References):
- [1]Vostrejs M,Ozuna R.The role of instrumentation in the degenerativelumbar spine[J].Curr Orthop,1999,2:148-53.
- [2]Fairbank JC,Pynsent PB.The Oswestry disability index[J].Spine,2000,22:2940-2952.
- [3]于红,侯树勋,吴闻文,等.节段开窗术治疗严重椎管狭窄症[J].中国矫形外科杂志,2000,7:636-638.
- [4]Benz RJ,Garfin SR.Current techniques of decompression of the lum-bar spine[J].Clin Orthop Relat Res,2001,384:75-81.
- [5]Fraser RD.Interbody,posterior and combined lumbar fusion[J].Spine,1995,24:167-177.
- [6]Hansraj KK,O'Leary PF,Cammisa FP Jr,et al.Decompression,fu-sion,and instrumentation surgery for complex lumbar spinal stenosis[J].Clin Orthop Relat Res.2001,384:18-25.
- [7]Zdeblick TA.A prospective,randomized study of lumbar fusion.Pre-liminary results[J].Spine,1993,8:983-991.
- [8]Fischgrund JS,Mackay M,Herkowitz HN,et al.1997 Volvo Awardwinner in clinical studies.Degenerative lumbar spondylolisthesis withspinal stenosis:a prospective,randomized study comparing decom-pressive laminectomy and arthrodesis with and without spinal instru-mentation[J].Spine,1997,24:2807-2812.
- [9]Harry NH,et al.主编,海涌等,主译.腰椎外科学[M].第1版,济南:山东科学技术出版社,2006,307-313.