轻度认知功能障碍患者的认知功能和磁共振波谱分析

被引:0
作者
陈秋
机构
[1] 福建医科大学
关键词
轻度认知功能障碍; 蒙特利尔认知评估; 波谱磁共振;
D O I
暂无
年度学位
2009
学位类型
硕士
导师
摘要
目的:研究不同病因的轻度认知功能障碍(mild cognitive impairment,MCI)患者的认知功能损害特点和波谱磁共振(Magnetic Resonance Spectroscopy,MRS)特征。 方法:(1)对21例皮质下小血管病性轻度认知功能障碍(mild cognitive impairment due to subcortical small vessel disease,MCI-SSVD)患者、14例阿尔茨海默病性轻度认知功能障碍患者(mild cognitive impairment caused by Alzheimer’s,MCI-AD)、14例正常对照组进行言语性记忆、简易精神状态检查法(mini mental state examination,MMSE)、蒙特利尔认知评估(Montreal cognitive assessment,MoCA)检查,结果进行组间比较;(2)对10名正常对照组及10名MCI患者进行双侧海马MRS检查,结果进行组间比较。 结果:(1)MCI-SSVD、MCI-AD两组的MMSE、言语性记忆中的即刻记忆、延迟回忆及MoCA成绩均低于正常对照组。其中MCI-SSVD组的MoCA子项目中延迟回忆、数字广度倒背、注意力、句子复述、抽象成绩低于正常对照组,MCI-AD组MoCA子项目中句子复述、延迟回忆成绩低于正常对照组。MCI-AD组的延迟回忆成绩低于MCI-SSVD组。(2)MCI组的右侧海马N-乙酰天门冬氨酸/肌酸(N-acetylaspartate /creatine,NAA/Cr)显著低于正常对照组;MCI组与正常对照组双侧海马胆碱/肌酸(Choline/creatine, Cho/Cr)无显著差异;MCI组的双侧海马肌醇/肌酸(myo-inositol /creatine,MI/Cr)显著高于正常对照组;MCI组的双侧海马肌醇/ N-乙酰天门冬氨酸(myo-inositol /N-acetylaspartate,MI/NAA)显著高于正常对照组。MoCA与两侧海马的MI/Cr、MI/NAA负相关,与双侧海马的NAA/Cr、Cho/Cr无明显相关。 结论:MCI-SSVD、MCI-AD表现为多认知域受损,而以记忆损害较为严重。MRS对MCI患者的诊断可能有一定的帮助。
引用
收藏
页数:35
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