血管性痴呆患者认知功能障碍的临床研究

被引:0
作者
李凤鹏
机构
[1] 第三军医大学
关键词
血管性痴呆; 认知功能障碍; 危险因素; P300;
D O I
暂无
年度学位
2002
学位类型
硕士
导师
摘要
目的:促进对于血管性痴呆(vascular dementia, VD)临床特点的认识,提高诊断水平。 方法:对30例VD患者、30例无明显认知功能障碍的脑梗死患者和30例正常人,应用简明精神状态检查量表(Mini-Mental State Examination,MMSE)、简易痴呆筛查量表(Brief Screening Scale for Dementia ,BSSD)和CLOX画钟测验评定认知功能,记录分析听觉刺激诱发的事件相关电位P300 ,通过颅脑CT检查了解梗死病灶和脑萎缩情况。 结果:(1)VD患者认知功能障碍以注意力、短程记忆、计算力、言语理解、言语表达、阅读理解、时间定向和视觉空间认知功能的减退为突出表现。(2)VD组P300峰潜伏时(peak latency, PL)明显延长。(3)VD组患者多发性脑梗死病例数显著多于脑梗死对照组。(4)VD组患者普遍存在脑萎缩,尤以额叶萎缩明显。(5)VD组患者多存在广泛的脑血管弹性减退。(6)VD组患者具有多次中风病史和高血压病史的病例数显著多于脑梗死对照组。 结论:(1)VD患者以记忆减退、语言认知相关的功能障碍、视觉空间认知功能障碍和注意障碍为突出表现。(2)认知功能障碍是脑梗死患者的常见并发症。(3)事件相关电位P300可客观反映VD和脑梗死患者的认知功能障碍。(4)额叶皮质及深部白质的萎缩是VD的危险因素。(5)多次中风、高血压病和脑动脉硬化是VD的危险因素。
引用
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页数:45
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