结论：靶位注射胶原酶溶盘术可与手术互补，适用于腰椎间盘突出术后复发的治疗。
Conclusion:The target-injection of collagenase for intervertebral disk chemolysis may be complementary therapy for recurrent postoperative lumbar disc herniation.
目的：分析腰椎间盘突出症术后对侧复发的原因、手术指征，评价翻修手术的效果和预防。
Objective: To investigate the causes for contralateral recurrent lumbar disc herniation, indications for surgery and efficacy of reoperation as well as preventive measure.
目的：探讨靶位注射胶原酶治疗腰椎间盘突出术后复发的临床意义。
Objective:To investigate the clinical significance of the target-injection of collagenase for the treatment of recurrent postoperative lumbar disc herniation.
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