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作 者:魏富鑫[1] 钟锐[1] 潘希敏[2] 孙海兴[2] 王乐[1] 崔尚斌[1] 刘少喻[1]
机构地区:[1]中山大学附属第一医院脊柱外科,广州市510700 [2]中山大学附属第一医院放射科,广州市510700
出 处:《中国脊柱脊髓杂志》2014年第10期892-899,共8页Chinese Journal of Spine and Spinal Cord
基 金:国家自然科学基金-广东联合基金项目(编号:U1032001);国家自然青年科学基金项目(编号:81401839);广东省科技计划项目(编号:2010B031600203);广东省自然科学基金项目(编号:S2013010015775);广州市黄埔区科技支撑计划项目(编号:201329-04)
摘 要:目的:比较后路腰椎椎间融合术(posterior lumbar interbody fusion,PLIF)与棘突间动态固定术(Wallis)治疗腰椎间盘突出症/椎管狭窄症合并椎间失稳的临床效果及对相邻节段退变的影响。方法:回顾性分析2007年6月~2010年7月我科手术治疗L4/5腰椎间盘突出症/椎管狭窄症合并椎间失稳患者61例,其中腰椎间盘突出症患者29例,腰椎管狭窄症患者32例;采用PLIF术式固定融合患者32例,棘突间Wallis动态固定患者29例。术前、术后1个月、1年以及末次随访时,采用JOA评分及腰功能障碍指数(ODI)评估临床疗效;根据UCLA标准对相邻节段L3/4及L5/S1椎间盘进行退变分级:利用Tlp-MRI技术量化相邻节段椎间盘髓核Tlp值。结果:随访时间48。77个月.平均61_3个月,其中PLIF组和Wallis组平均随访时间分别为63.4和59.6个月,差异无统计学意义(P〉0.05)。术前2组患者年龄、性别、疾病构成比、相邻节段椎间盘退变分级及相邻节段椎间盘Tlp值均无明显差异(P〉0.05)。末次随访时,PLIF组与Wallis组ODI评分改善率分别为76.1%、78.5%,JOA评分改善率分别为69.2%、75.0%,均无统计学差异(P=0.78,0.85)。末次随访时,PLIF组L3,4以及L5/S1节段椎间盘退变分级差异均无统计学意义(P=-0.91,0.70)。术前、术后1个月、末次随访时,PLIF和Wallis组L3,4椎间盘Tip值分别为115.4±8.9ms、111.6±12.3ms、91.6±11.1ms和112.4±10.0ms、109.9±9.2ms、103.5±10.8ms,L5/S1椎问盘T113值分别为9514±7.7ms、94.6±9.6ms、88.1±12.6ms和96.3±9.2ms、95.4±8.5ms、9113±11.4ms,两组术后1个月L3/4、L5/S1椎间盘Tip值与术前比较均无统计学差异(PLIF组:P=0.67,0.75;Wallis组:P=O.72,0.64);末次随访时,PLIF组L3/4椎问盘Tlp值明显低于Wallis组,差异有统计学意义(P=O.02),而LObjectives: To compare the clinical effects of posterior lumbar interbody fusion(PLIF) and Wallis intempinous implant in lumbar disc herniation or stenosis complicated with instability, and their effects on ad- jacent segment degeneration. Methods: A retrospective study of 61 patients undergoing PLIF or interspinous Wallis placement at IA-/5 segment was carried out. Among these, 29 patients were diagnosed as lumbar disc herniation and 32 patients as lumbar stenosis, all of them were complicated with lumbar instability. All pa- tients presented with low back pain. In this study, 32 cases underwent PLIF, and 29 underwent interspinous Wallis placement. The clinical results were assessed and compared by JOA score and Oswestry disability in- dex (ODI) preoperatively, 1 month and 1 year postoperatively and at the final follow-up. The degenerative grades of adjacent segments of L3/4 and LS/S1 were recorded by using UCLA (university of California at Los Angeles) grading system.
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