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核磁共振弥散加权成像及磁共振血管造影在短暂性脑缺血发作患者中的应用价值 被引量:1

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摘要 目的:探究磁共振血管造影(MRA)及核磁共振弥散加权成像(DWI)在短暂性脑缺血发作(TIA)诊断中的应用价值。方法:选取2016年7月~2017年6月我院74例TIA患者为观察组,均进行MRA、DWI,另选取37例健康体检者为对照组。结果:DWI显示,观察组中14例存在陈旧病灶,ADC图呈高信号,DWI呈低信号,7例患者初诊未发现异常信号,复查ADC图呈低信号,DWI呈高信号;MRA显示,观察组血管异常率75.68%(56/75)高于对照组24.32%(9/37),轻度狭窄占比37.50%(36/96)低于对照组71.43%(10/14),重度-闭塞占比29.17%(28/96)高于对照组0.00%(0/14),差异有统计学意义(P<0.05)。结论:DWI诊断TIA简单有效,而MRA检查可确定脑血管狭窄程度,二者联合诊断TIA,对判断TIA病因、评估继发脑梗死风险有重要作用。
作者 王允江
出处 《现代医用影像学》 2018年第7期2376-2377,共2页 Modern Medical Imageology
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