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目的:探讨新型电子内镜下改良经后路椎体间融合(PLIF)术治疗单节段腰椎滑脱的效果。方法:抽取2019年1月至2020年1月郑州大学第一附属医院收治的单节段腰椎滑脱患者48例，均合并椎间盘突出及椎管狭窄。术前给予骨科影像学检查，并行新型电子内镜下改良术式治疗。回顾性分析其围术期指标及术后末次随访时椎体情况。结果:48例患者顺利完成手术及术后6～18个月随访，手术时间( 118.06±17.97) min，术中出血量( 246.25±121.05) ml，切口长度(2.99±0.19)mm。术后末次随访时，48例患者切口均一期愈合，椎间隙高度、椎体滑移度及滑脱角与术前比较差异有统计学意义(n t＝-32.060、18.050、22.580，n P<0.01)。n 结论:新型电子内镜下改良PLIF术治疗腰椎滑脱效果确切，切口小，患者术后恢复较快。“,”Objective:To investigate the effect of modified posterior lumbar interbody fusion (PLIF) on single-segment lumbar spondylolisthesis under new electronic endoscope.Methods:A total of 48 patients with single-segment lumbar spondylolisthesis admitted to the First Affiliated Hospital of Zhengzhou University from January 2019 to January 2020 were selected, all of them had herniated discs and spinal stenosis. All patients underwent orthopedic imaging examination before operation, and the modified surgical treatment under the new electronic endoscopy was performed concurrently. The perioperative index and the vertebral body condition at the last follow-up were analyzed retrospectively.Results:Forty-eight patients successfully completed the operation and followed up for 6 to 18 months after the operation. The operation time was (118.06±17.97) min, the intraoperative blood loss was (246.25±121.05) ml, and the incision length was (2.99±0.19) mm. At the last follow-up postoperatively, the incisions of 48 patients healed at first stage. The height of the intervertebral space, the degree of vertebral body slippage and the angle of spondylolisthesis were significantly different from those before the operation (n t=-32.060, 18.050, 22.580, n P<0.01).n Conclusions:The new light source electronic endoscope PLIF is effective in treating spondylolisthesis surgery with small incision, and the patient recovers quickly after surgery.