Objective: To observe the effects of minimal-invasive therapy on cervical spondylosis caused by posterior longitudinal ligament hyperplasia. Methods: Thirty patients were selected from those who suffered from aching or distending pain, or anesthesia complaint located in neck, shoulder or upper back for at least six months. Radiofrequency temperature increasing provocation test has been widely used to determine the responsible disc and corresponding hyperplasia posterior longitudinal ligament. Radiofrequency ablation was also used to treat cervical spondylosis caused by simple hyperplasia of posterior longitudinal ligament. Results: There was no local infection or injury of cervical spinal nerve during perioperative periods and 180 days after surgery. Disapperance of symptom was observed in 14 cases within 72 hours postoperation, relief of symptom in 13 cases and partially relief in other 3 cases. Effective rate reached 90%. Visual analogue scale (VAS) score decreased significantly both at 72 hours and 180 days after surgery. Conclusion: Radiofrequency nucleoplasty by conjugated tubular electrode can be used to treat simple cervical spondylosis caused by posterior longitudinal ligament hyperplasia.%目的:观察单纯后纵韧带增生型颈椎病的微创治疗效果.方法:具有颈、肩和上背部至少一处持续6个月以上酸、胀、麻、重或痛的患者30例,采用射频温度递增诱发试验代替椎间盘造影试验确定责任间盘及相对应的责任增生后纵韧带,采用射频热凝方式治疗单纯后纵韧带增生型颈椎病.结果:30例患者围术期及术后180天内未出现局部感染和颈脊神经损伤等并发症.术后72小时有14例颈、肩、上背部等部位原有症状全部消失,感觉轻松；13例原有症状明显减轻,感觉也比较轻松；3例原有症状部分消失或减轻另部分没有减轻.疗效优良率达到90％.术后72h和术后180天的视觉模拟评分(visual analogue scale,VAS)较术前均有明显降低.结论:成对管状电极射频椎间盘成形术可用于单纯后纵韧带增生型颈椎病的治疗.
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