脑Willis环分型与前交通动脉瘤发生的CTA分析

doi:10.3969/j.issn.2095-9400.2020.09.007

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摘要目的：头颅CT血管造影（CTA）检查分析脑Willis环（CoW）分型与前交通动脉（ACoA）动脉瘤发生的关系。方法：回顾性分析2006年9月至2016年1月在温州医科大学附属第一医院同时接受数字减影血管造影（DSA）和CTA的1 184例住院患者分为2组，ACoA动脉瘤患者纳入ACoA动脉瘤组，无颅内动脉瘤患者纳入对照组，其中630例患者入组ACoA动脉瘤组，554例患者入组对照组。CoW分为前循环和后循环，前循环和后循环又各自分为a、b、c、d、e、f、g、h、i、j共10种解剖亚型。所有入组的患者根据解剖分型分别统计每种前循环和后循环类型的数目。比较各个解剖分型之间ACoA动脉瘤发生率。结果：对照组前循环g亚型的发生率明显高于ACoA动脉瘤组（P＜0.05）；ACoA动脉瘤组h型前循环发生率明显高于对照组（P＜0.05）；对照组a、c、d型后循环发生率明显高于ACoA动脉瘤组（P＜0.05）；ACoA动脉瘤组g、h、i型后循环发生率明显高于对照组（P＜0.05）。结论：ACoA动脉瘤的发生率与CoW的解剖变异有关。

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	段玉霞
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	陈伟建

关键词 ：动脉瘤, 大脑动脉环, 计算机断层扫描, 动脉造影术, 前交通动脉

Abstract：Objective: To analyze the relationship between classification of Willis circle (CoW) and aneurysm of anterior communicating artery (ACoA) based on cranial computer tomography angiography (CTA). Methods: A total of 1 184 inpatients who underwent both digital subtraction angiography (DSA) and cerebral CTA in the First Affiliated Hospital of Wenzhou Medical University from September 2006 to January 2016 were retrospectively analyzed. Patients with ACoA aneurysms were included in the ACoA aneurysm group (n=630), and patients without intracranial aneurysms were included in the control group (n=554). CoW is divided into anterior circulation and posterior circulation, which are further divided into 10 anatomical subtypes: a, b, c, d, e, f, g, h, i, j. All patients in the two groups were counted the number of each type of anterior and posterior circulation according to anatomical classification. The incidence of ACoA aneurysm was compared among different anatomical types. Results: The incidence of subtype g of anterior circulation in the control group was significantly higher than that in the ACoA aneurysm group. The incidence of h-type anterior circulation in ACoA aneurysm group was significantly higher than that in the control group. The incidence of type a, c and d posterior circulation in the control group was significantly higher than that in the ACoA aneurysm group. The incidence of type g, h and i posterior circulation in ACoA aneurysm group was significantly higher than that in the control group. Conclusion: The occurrence of ACoA aneurysm is related to the anatomical variation of CoW.

Key words： aneurysm cerebral arterial circle computed tomography arteriography anterior communicating artery

收稿日期: 2019-11-25

通讯作者: 陈伟建，主任医师，Email:wyyycwj@163.com。

作者简介: 段玉霞（1981-），女，湖北枣阳人，主治医师，硕士。

链接本文:

https://xb.wmu.edu.cn/CN/10.3969/j.issn.2095-9400.2020.09.007 或 https://xb.wmu.edu.cn/CN/Y2020/V50/I9/723

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