短暂性脑缺血发作患者的高分辨力MRI特征及其与ABCD3评分相关性的研究

ZHOU Zhongkai, SHI Ying, ZHONG Di, REN Yibo,SUN Jiali,CHEN Yue, ZOU Wenxuan,SUI Ying,WANG Wei

wf(2022)

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Abstract
目的 利用高分辨力磁共振成像(high-resolution magnetic resonance imaging,HR-MRI)探究短暂性脑缺血发作(transient ischemic attack,TIA)患者低中危组与高危组间斑块特征的差异及ABCD3评分与斑块特征的相关性.材料与方法 回顾性分析72例接受HR-MRI检查的TIA患者病例.根据风险评分量表ABCD3分为低中危组(ABCD3<6)与高危组(ABCD3≥6).两名有五年以上斑块分析经验的医师独立识别出斑块位置、斑块成分,测量并计算斑块或参考管腔的血管面积和管腔面积、狭窄率、标准化壁指数(normalized wall index,NWI)、重构指数(remodeling index,RI).依照对比后增强率(enhancement ratio,ER)定量对斑块强化进行分级:0级(ER斑块≤ER参考管壁),1级(ER参考管壁
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