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多模态磁共振在轻度创伤性脑损伤中的应用价值

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摘要 目的探讨多模态磁共振成像技术在轻度创伤性脑损伤(mTBI)中的应用价值。方法收集76例mTBI患者为观察组,另选同期正常成年人50名作为对照组。采用扩散张量成像(DTI)、磁敏感加权成像(SWI)及磁共振波谱(MRS)进行扫描,比较两组胼胝体膝部、内囊前支、内囊后支、额叶白质的部分各向异性(FA)值、表观扩散系数(ADC)值、NAA/Cr值和Cho/Cr值。采用简易精神状态检查量表(MMSE)对患者的认知功能进行评估。结果两组胼胝体膝部、内囊后支、额叶白质的FA值、NAA/Cr值差异均有统计学意义(均P<0.05);两组胼胝体膝部、内囊后支和额叶白质的Cho/Cr值差异均有统计学意义(均P<0.05);胼胝体膝部、内囊后支、额叶白质的FA、NAA/Cr值与MMSE评分呈显著正相关(均P<0.05),Cho/Cr值与MMSE评分呈显著负相关(均P<0.05)。结论相比ADC值,多模态MRI的FA、NAA、Cho及Cr值更能反映m TBI脑白质的受损情况,且与患者认知功能具有显著的相关性,可联合用于对m TBI病情和预后的评估。
出处 《现代实用医学》 2020年第5期530-532,共3页 Modern Practical Medicine
基金 台州市科技计划项目(1801ky28)。
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