Objective: To investigate operation approach of ETV for obstructive hydrocephalus patients. Related clinical data were objective analyzed and assessed.

• 目的:探讨采用神经内窥镜下第三脑室底造瘘(endoscopic third ventriculostomy ETV)治疗梗阻性脑积水患者的手术方法,整理分析相关的临床资料,根据随访结果对ETV 手术进行客观的临床评估。