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CTA评价胚胎型大脑后循环与缺血性脑卒中的关系 被引量:12

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摘要 目的探讨胚胎型大脑后循环与缺血性脑卒中发病率的关系。方法随机收集2011年1月~2012年1月在两个医院行颅脑多层螺旋CTA扫描的226例患者,排除存在脑外伤、手术、Moyamoya病、动静脉畸形、脉管炎等易增加缺血性脑卒中发生率的疾病的患者24例,202例纳入本组研究,将后交通动脉(PCoA)直接延续为同侧大脑后动脉交通后段,且后交通动脉血管外径大于同侧起源于基底动脉的大脑后动脉(PCA)P1段,定义为胚胎型大脑后循环。依据胚胎型大脑后循环患者的同侧大脑后动脉P1段是缺如或是发育纤细,分为完全胚胎型组和部分胚胎型组,大脑后动脉P1段血管外径大于同侧后交通动脉的患者为对照组,统计3组缺血性脑卒中的发生情况。结果完全胚胎型大脑后循环34例,其中11发生缺血性脑卒中,部分胚胎型大脑后循环20例,发生缺血性脑卒中10例,以对照组缺血性脑卒中的发生率做比较,完全胚胎型组和部分胚胎型组缺血性脑卒中发生率的比值比分别为1.448和3.027,进行Fisher’s精确检验P值分别为0.391和0.0307。结论部分胚胎型大脑后循环与缺血性脑卒中发病率增加有关,而完全胚胎型大脑后循环与缺血性脑卒中无明显关系。
作者 曹志刚 祝婷
出处 《卒中与神经疾病》 2015年第3期156-159,共4页 Stroke and Nervous Diseases
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共引文献57

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