Objective To review the clinical curative effect of treating the lumbar disc hernia-tion combined lumbar instability through the operation which included enlarged laminactomy, double segment nerve canal decompression, fixation with half screw-stick device and single cage for inter vertebra union. Methods From Sept 2007 to Sept 2009,46 cases of lumbar disc herniation combined with lumbar instability were performed enlarged laminactomy and double segment nerve canal decompression,while these cases were fixed with half screw-stick device and single cage for inter vertebra union. Results All the cases were followed up for one to three years,averagely 2 years, according to the standard of Macnab's criteria,excellent 25 cases,good 8 cases,fair 3 cases and no bad cases,as the finess rate was 93.5%. Conclusion The operation by performing enlarged laminectomy and double segment nerve canal decompression, fixation with half screw-stick device and single cage for inter vertebra union,was an effective method for treatment of the lumbar disc herniation combined lumbar instability.%目的 观察扩大开窗两节段神经根管减压髓核摘除术加单侧钉棒系统固定单枚Cage椎间融合治疗腰椎间盘突出症合并腰椎不稳的临床疗效.方法 自2007-09-2009-09,对46例腰椎间盘突出症合并腰椎不稳患者采用扩大开窗两节段神经根管减压髓核摘除同时结合单侧椎弓根钉棒系统固定,单枚Cage椎间植骨融合.结果 本组随访观察1～3年,平均2年,根据Macnab疗效评定标准:优25例,良18例,可3例,差0例,优良率93.5%,结论采用扩大开窗两节段神经根管减压髓核摘除术加单侧钉棒系统固定单枚Cage椎间融合是治疗腰椎间盘突出症合并腰椎不稳的有效方法.
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