Objective to compare and analyze curative effect of limited decompression fusion and laminectomy with internal fixation treating degenerative lumbar stenosis.Methods 60 cases senile degenerative lumbar spinal stenosis patients received in our hospital from April 2011 to June 2015 were treated with limited decompression fusion and laminectomy with internal fixation, male 26, female 34, aging 54~82 with average of 66.55, with clinical course of 6 months to 30 years, with average of 72.60 months. Apply unilateral or bilateral laminectomy limited decompression fusion for 30 cases, which is group A, and laminectomy decompression fusion and internal fixation for another 30 cases, which is group B. Evaluate clinical curative effect with JOA and VAS of Japan Orthopedics Society respectively, and carry on statistical analysis to results.Results JOA excellent rate of group A and B 2 years after operation was 86.7% and 90.0%, which was 83.3%, 86.7% at last follow-up. Lumbocrural pain VAS score showed no statistical difference at follow-up 2 years after operation(P> 0.05). Lumbocrural pain VAS score showed statistical difference at last follow-up(P<0.05). Lumbocrural VAS score of group A and B 2 years after operation and last follow-up were more decreased compared with that before operation, and lumbocrural VAS score of group A at last follow-up increased compared with 2 years after operation (P<0.05). That of group at last follow-up showed no significant difference from that 2 years after operation(P>0.05).Conclusion application of limited decompression fusion and laminectomy decompression with internal fixation for degenerative lumbar spinal stenosis has good clinical effect in near and mid-term, the former has small trauma and short operation time, particularly for treating senile lumbar spinal stenosis patients.%目的：比较有限减压植骨融合与椎板减压融合内固定术治疗老年性退行性腰椎管狭窄症的疗效分析。方法2011年4月至2015年6月本院收治60例老年性退行性腰椎管狭窄症的患者，行有限减压与椎板减压融内固定手术治疗，男26例，女34例，年龄在54~82岁，平均66.55岁，病程6个月~30年，平均72.60个月；采用单侧或双侧椎板有限减压植骨融合术（A组30例），椎板减压植骨融合内固定术（B组30例）。临床疗效分别采用日本骨科学会JOA及VAS评估方法评定，并对结果进行统计学分析。结果术后2年A、B组JOA优良率分别为86.7%、90.0%；末次随访时分别为83.3%、86.7%；术后2年随访时两组腰腿痛VAS评分无统计学差异（P>0.05）。末次随访时两组腰腿痛VAS评分有统计学差异（P<0.05）。A、B组术后2年及末次随访时腰腿痛VAS评分均较术前明显降低，A组末次随访时评分较术后2年增加（P<0.05）。B组末次随访时评分较术后2年比较无统计学差异增加（P>0.05）。结论应用有限减压植骨融合术及椎板减压融合内固定术治疗退行性腰椎管狭窄症近期、中期均取得良好的临床效果；前者创伤小，手术时间短，尤其治疗老年性腰椎管狭窄症的患者。
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