特发性正常压力脑积水是一种原因不明的脑室扩大而脑脊液压力正常的脑积水,病理生理改变复杂,目前对其诊断与治疗还存在着较多争议。临床上主要根据病人症状、影像学表现、脑脊液动力学检查结果及颅内压监测进行诊断,治疗上脑脊液分流术为该疾病最有效的方法,然而还存在手术效果不确切,对可疑患者选择病例进行分流的困难。 Idiopathic normal pressure hydrocephalus is an unexplained ventricular enlargement and cerebrospinal fluid pressure of normal hydrocephalus, complicated changes in pathophysiology, there are still many controversial diagnosis and treatment. Clinic mainly based on patient symptoms, imaging findings, CSF test results and intracranial pressure monitoring diagnosis, treatment of cerebrospinal fluid shunt is the most effective method of the disease, however, there are still surgical results are not clear, the suspicious patients choose the case The difficulty of diversion.