后路显微内窥镜下椎间盘切除术治疗腰椎间盘突出症

目的:评价显微内窥镜下椎间盘切除术(microendoscopic discectomy,MED)治疗腰椎间盘突出症的疗效。方法:应用MED对59例腰椎间盘突出症患者行手术治疗,并对其疗效进行评定。结果:平均手术时间85min,平均术中出血45ml,平均住院6.4d,发生硬膜撕裂1例,有2例改为开放手术。术后平均随访16个月,按照Macnab评定标准进行疗效评定,优50例,良8例,可1例,优良率达98.3%。术后平均28d恢复正常工作和日常生活。结论:MED治疗腰椎间盘突出症,能充分解除硬膜囊及神经根的压迫,手术效果良好,同时具有创伤小、出血少、对脊柱稳定性影响小、术后恢复快等特点。

Microendoscopic Discectomy for Lumbar Disc Herniation

Objective:To evaluate the surgical efficacy of microendoscopic discectomy(MED) for lumbar disc herniation.Methods:59 cases of lumbar disc herniation performed MED,and the surgical efficacy was evaluated.Results:The mean operative duration was 85 minutes,the average bleeding volume during operation was 45ml,and mean length of tay was 6.4 days.Dural tear occurred in l case.2 cases required open operation.Mean follow-up duration was 16 months.According to Macnab's postoperative evaluation criterion,the clinical outoomes were excellent in 50 cases,good in 8,moderate in l,the rate of excellent and good outcomes was 98.3%.Normal work and activity was recovered after 28 days.Conclusion:MED is effective in treating lumbar disc herniation and relieving dural sac and nerve root compression with mini-trauma,less bleeding,little influence in backbone stability and quick recovery.