缺血性白质脑病患者事件相关电位研究Research on the cognitive impairment,emotional disorders and event related potential with ischemic white matter encephalopathy
刘可威,陈湛愔,王志海,莫世文,严红,陈瑞珍,张光妍,梁宇航,陈奕奕,陈颖
摘要(Abstract):
目的探讨缺血性白质脑病患者认知障碍、情感障碍的特点及规律,及对事件相关电位进行研究。方法收集缺血性白质脑病患者480例和正常对照86例,分别应用MMSE和Hamilton焦虑量表和24项版本抑郁量表进行测评,并进行事件相关电位P300、N400检测。结果缺血性白质脑病不同分级认知障碍、情感障碍差异有统计学意义,随着脑白质损害加重、分级增高,认知障碍和情感障碍加重,事件相关电位P300和N400潜伏期明显延长,波幅明显降低。结论缺血性白质脑病可造成患者严重认知、情感障碍,事件相关电位P300、N400可作为早期诊断缺血性白质脑病认知障碍的客观指标。
关键词(KeyWords): 缺血性白质脑病;认知障碍;情感障碍;事件相关电位P300、N400
基金项目(Foundation): 广东省医学科学技术研究基金课题立项资助课题(项目编号A2008653)
作者(Author): 刘可威,陈湛愔,王志海,莫世文,严红,陈瑞珍,张光妍,梁宇航,陈奕奕,陈颖
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