目的：观察胶原酶化学溶解术治疗颈椎间盘突出症的远期疗效及影响因素。
Objective: to investigate the influential factors and clinical therapeutic effect of epidural injection of collagenase for the treatment of cervical intervertebral disc protrusion.
目的研究经皮穿刺腰椎间盘切除术和胶原酶化学溶解术联合治疗腰椎间盘突出症的疗效。
Objective to investigate the therapeutic effect of percutaneous lumbar diskectomy (PLD) combining with chemonucleolysis (CNL) by injection of collagenase in the treatment of lumbar disc herniation.
方法将312例腰椎间盘突出症病人，随机分为3组，分别采用经皮穿刺腰椎间盘切除术、胶原酶化学溶解术和二者联合治疗方法进行治疗。
Methods 312 patients with Lumbar disc herniation were classified into three groups randomly, and were treated respectively with PLD, CNL and PLD combining with CNL.
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