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目的：对比脉冲冲洗枪与传统冲洗方法在单节段腰椎后路椎体间融合术( posterior lumbar interbody fusion，PLIF )手术中应用后的相关指标，评价脉冲冲洗枪对于单节段 PLIF 手术的有效性。方法将2013年1月至2014年11月共82例行单节段 PLIF 手术的患者，采用随机数字表法分为两组，研究组切口关闭前使用脉冲冲洗枪进行冲洗，对照组使用传统冲洗方法进行冲洗。比较两组患者术后连续3天体温、引流，连续3次血清学白细胞、C-反应蛋白( C-reactive protein，CRP )、红细胞沉降率( erythrocyte sedimentation rate，ESR )及术后出院天数的差异。结果两组患者术后连续3天体温、引流，连续3次血清学白细胞、CRP、ESR 及术后出院天数的差异无统计学意义(P＞0.05)。结论在单节段 PLIF 手术中，脉冲冲洗枪显示出较低的效价比，按照现代无菌原则进行操作，脉冲冲洗枪可以选择性使用，并非必需。“,”Objective To evaluate the clinical application and effects of SurgiLav Plus Irrigation System in the treatment of one-level posterior lumbar interbody fusion ( PLIF ).Methods From January, 2013 to November, 2014, 82 patients after one-level PLIF were divided into 2 groups under randomized method. SurgiLav Plus Irrigation System was applied in the study group before incision closure, while traditional method in the control group. Temperature and blood loss ( drain ) in consecutive 3 days postoperatively, serological leukocytes in consecutive 3 times postoperatively, C- reactive protein ( CRP ), erythrocyte sedimentation rate ( ESR ) and postoperative hospital stay were recorded and compared in both groups.Results There were no signiifcant differences between the study group and the control group in the index analyzed above (P>0.05 ).Conclusions In one-level PLIF surgery, SurgiLav Plus Irrigation System shows lower cost-effects ratio. According to modern aseptic principle, SurgiLav Plus Irrigation System is an alternative option rather than necessary.