Study Design. A retrospectie study comparing cerical laminoplasty with or without muscle release for the treatment of cerical myelopathy resulting from athetoid cerebral palsy.

• 课题设计:应用回顾性研究对比应用肌松解和不应用肌松解治疗由手足徐动症样大脑麻痹引起颈髓病的疗效.