RF内固定器；腰椎滑脱症；脊柱融合术_

经后路采用RF椎弓根系统治疗腰椎滑脱症

http://www.100md.com 《中华首席医学网》 2006年第13期

RF内固定器；腰椎滑脱症；脊柱融合术,,RF内固定器；,腰椎滑脱症；,脊柱融合术,1资料与方法,2结果,3讨论,参考文献：

     摘要：[目的]探讨经后路采用RF椎弓根系统治疗腰椎滑脱症的效果。[方法]自1999年2月～2003年12月，39例腰椎滑脱症的患者经后路采用RFⅡ椎弓根螺钉系统进行减压融合手术治疗，其中Ⅰ度滑脱12例，Ⅱ度滑脱18例，Ⅲ度滑脱9例；退变性腰椎滑脱22例，峡部裂性腰椎滑脱17例。[结果]所有患者术后随访均超过12个月，平均(276±72)个月。比较手术前后临床症状及X线片。根据Asher的疗效观察项目：优22例，良13例，可3例，差1例，优良率达897%。并发症共6例，其中术中并发症3例，发生率为77%；术后并发症3例，发生率为77%。[结论]经后路采用RF椎弓根螺钉系统能使腰椎滑脱得到较为确实的复位和固定，脊柱融合率高，临床效果满意。

    关键词：RF内固定器；腰椎滑脱症；脊柱融合术

    Treatment of lumbar spondylolisthesis with posterior interbody fusion and RF pedicle screw spinal system∥SONG Lei,LIN Xin,WANG Bing,et alDepartment of Orthopaedics,Beijing Tiantan Hospital,Affiliate of Capital University of Medical Sciences,Beijing 100050,China

    Abstract：[Objective]To evaluate the clinical effect of lumbar spondylolisthesis treated by posterior vertebral body fusion and RFⅡ pedicle screw spinal system[Method]From February 1999 to December 2003，39 cases of lumbar spondylolisthesis were included in this studyAccording to Meyerding classification,roentgengram showed that there were 12 cases of grade Ⅰ,18 cases of grade Ⅱ,9 cases of gradeⅢ,22 cases of degenerative spondylolisthesis and 17 cases of spondylolysisAll patients were treated with posterior decompression of total laminectomy and bilateral nerve canal,intertransverse process arthrodesis were managed by means of bone chip grafting,interbody fusion was done with RFⅡ pedicle screw spinal systemThe clinical results and complications were evaluated and a radiographic assessment was performed[Result]All the patients were followed up over 12 months postoperative(averaged 276±72 months)According to the criteria of Asher,the therapeutic effect was excellent in 22 cases,good in 13 cases,fair in 3 cases,and poor in 1 caseThe satisfactory rate was 897%Complications occurred in six cases,in which three cases occurred during operation with the incidence rate of 77%,while three occurred after operation with the incidence rate of 77%[Conclusion]Posterior interbody fusion and RF pedicle screw spinal system provide fixation with satisfactory clinical results and relatively high fusion rate ......

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