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脑积水须知

来源:华人健康网 | 发布时间:2010-07-29 21:39:53 | www.chinesejk.com

  病因:脑积水可由多种原因引起,临床各种无不涉及,常见有颅内炎症,脑血管,脑外伤,各种内源性或外源性神经毒素,缺氧水和电解质紊乱,酸 中毒 ,肝肾功能 衰竭 等都可通过不同机制造成液体在脑组织内积聚而成。 

  脑积水的临床表现:典型症状为头痛、呕吐、视力模糊,视神经乳头水肿,偶伴复视,眩晕及 癫痫 发作。有的患者脉搏变慢,血压升高,呼吸紊乱,瞳孔改变;部分患者可有眼球运动障碍、锥体束征,肌张力改变及脑膜刺激征;有表现内胀综合征,如呕吐、 便秘 、胃肠道出血、神经源性肺水肿、 尿崩症 脑性钠潴留及脑性耗盐综合症。再结合积水的病因不同,而有临床特点:如血管源性脑积水多有局限性神经症状和体征,颅内高压,意识障碍甚至发生脑疝;细胞毒性脑积水常有明显全脑症状,如昏迷,木僵;间制性积水多有智力障碍,步态异常等。

(编辑:刘一鸣 )

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