正常颅压脑积水(Normal-pressure hydroce-phalus 简称NPH)是脑压不超过180mmH_2O 的交通性脑积水。国内报告甚少,现将我院两例报告如下。例1,男,51岁。22天前发现右侧肢体运动不灵活,上床费力,次日加重,不能用筷挟菜,第三日不能走路,而于1979年6月5日入我院。入院四天前表情淡漠,不讲话,肢体无主动运动,不能翻身,二便失禁。既往有三次外伤史,均为角钢、梯子伤及头 Normal intracranial pressure hydrocephalus (Normal-pressure hydroce-phalus referred to as NPH) is a hydrocephalus traffic pressure does not exceed 180mmH_2O. There are very few reports in our country. We report the following two cases in our hospital. Example 1, male, 51 years old. 22 days ago found that the right limb movement is not flexible, go to bed laborious, the next day increased, can not use chopsticks to host food, the third day can not walk, and in June 5, 1979 into our hospital. Four days before admission, his expression was indifferent, he did not speak, his body was inactive, unable to turn over, and second incontinence. Past history of three traumas, both angle steel, ladder injury and head