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CT灌注成像ASPECTS在急性缺血性脑卒中溶栓再通中的应用 被引量:16

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摘要 目的研究CT灌注成像(CTP)、Albertu脑卒中项目早期CT评分(ASPECTS)在检测可逆性脑组织缺血方面的作用。方法回顾62例患者临床和影像学资料,这些患者均因急性缺血性脑卒中(持续时间<3 h)接受了静脉溶栓治疗,脑卒中患者最初影像学评估包括非对比增强CT(NCCT),CT血管造影(CTA)和CTP。结果共25例患者存在CTP ASPECTS不匹配。CTP ASPECTS不匹配亚组最终脑梗死体积分别与NCCT 0 h-ASPECTS,平均间隔时间(MTT)-ASPECTS,脑血容量(CBV)-ASPECTS,NCCT 24 h-ASPECTS均呈负相关,ΔmRS分别与NCCT 0 h-ASPECTS,MTT-ASPECTS,CBV-ASPECTS,NCCT 24 h-ASPECTS间均呈负相关。与所有患者组或所有前循环事件的患者亚组相比,在CTP ASPECTS不匹配亚组,ASPECTS和临床结果之间的相关性较高。MTT-ASPECTS和CBV-ASPECTS分数与临床结果之间的相关性比NCCT 0 h-ASPECTS(即入院时NCCT-ASPECTS)与临床结果的相关性要强。二分ΔmRS,采用ΔmRS≤1表示良好的临床效果,MTT-NCCT 24 h ASPECTS不匹配的统计学显著性最低的阈值为2(P=0.04),该值预测良好的临床结果。在MTT-NCCT 24 h ASPECTS不匹配≥2的患者亚组(n=12),此参数和CTP-ASPECTS不匹配间有较强的相关性(r=0.79,P<0.001),并具有较强的线性相关性(R2=0.671)。结论 CTP ASPECTS不匹配可充分预测潜在的可挽救缺血脑组织的量。
出处 《中国老年学杂志》 CAS 北大核心 2018年第12期2829-2832,共4页 Chinese Journal of Gerontology
基金 湖北省卫计委项目(WJ2015MB007)
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