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阿尔茨海默病和轻度认知功能障碍患者的海马体积与MTA分级 被引量:5

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摘要 目的分析阿尔茨海默病(AD)、轻度认知功能障碍(MCI)患者的海马体积及MTA分级。方法选取AD患者15例、MCI患者22例及健康对照(CTRL组)20例。对所有受试者行头MRI,应用Roi Assist401软件在3D-MPRAGE序列中手工逐层勾画双侧海马的感兴趣区,自动生成每层面积乘以层厚得出体积,运用SPSS17.0软件进行统计分析。结果三组受试者海马体积大小均为CTRL组>MCI组>AD组,且每两组患者有统计学差异(P<0.05);MTA分级与海马体积呈显著负相关(左侧r=-0.684,P<0.05,右侧r=-0.588,P<0.05)。AD组的海马体积、MTA分级与MCI组、CTRL组具有统计学差异(P<0.05),MCI组的海马体积与CTRL组具有统计学差异(P<0.05),MCI组的MTA分级与CTRL组无显著差异(P>0.05)。双侧海马对AD诊断的敏感性为100.0%,特异性为95.0%;MTA分级对AD诊断的敏感性为80.0%,特异性为92.9%。结论 AD组海马萎缩较MCI组明显,海马体积对于AD、MCI的诊断价值优于MTA分级。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2016年第17期4283-4284,共2页 Chinese Journal of Gerontology
基金 吉林省科技发展计划项目(20160520160JH) 吉林省卫生厅项目(2012Z005) 吉林大学白求恩计划项目(2015335) 吉林大学第一医院青年发展基金(JDYY52015016)
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