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对２３例痉挛型脑瘫患儿作了选择性腰骶脊神经后根切断术。全部病例获得了降低下肢之异常增高的肌张力和解除痉挛的良好效果，但小儿步态的改善却并非个个满意。作者认为严格掌握手术适应征，术前根据患肢各主要肌群之肌张力和肌痉挛状况制定出拟切断之各相应腰骶脊神经后根比例，精细与无损伤的手术操作以及正确与持之以恒的术后康复训练，是取得良好治疗效果的四个关键
23 cases of spastic cerebral palsy children with selective lumbosacral spinal nerve root posterior rhizotomy. All cases achieved good results in reducing abnormally elevated muscle tension and relieving spasticity in the lower extremities, but improvements in gait in children were not entirely satisfactory. The authors believe that strict control of surgical indications, according to preoperative limb muscle major muscle tone and muscle spasm conditions to be developed to be cut off the corresponding lumbosacral spinal nerve root ratio, fine and non-invasive surgical procedures and the right and perseverance Postoperative rehabilitation training is to achieve good results of the four key