广西百色市壮族人群头颈部CT血管成像中主动脉弓分支的变异情况

Variation of aortic arch branch in head and neck CT angiography of Zhuang population in Baise,Guangxi

目的 探讨广西百色市壮族人群头颈部CT血管成像(CTA)中主动脉弓分支的变异情况。方法 收集8 865例广西百色市壮族研究对象的头颈部CTA资料,分析研究对象主动脉弓分支的变异情况。结果 8 865例研究对象中,主动脉弓分支呈正常分支起源共7 994例(90.17%),主动脉弓分支起源异常共871例(9.83%)。主动脉弓分支变异包括8种不同类型:左侧椎动脉(LVA)、头臂干(BT)、左颈总动脉(LCCA)、左锁骨下动脉(LSA)均起源于主动脉弓,共445例(5.02%);BT与LCCA共干,且与LSA均起源于主动脉弓,共263例(2.97%);迷走右锁骨下动脉(ARSA)、右颈总动脉(RCCA)、LCCA、LSA均起源于主动脉弓,共126例(1.42%);BT与LCCA共干,并与ARSA、LVA均起源于主动脉弓,共11例(0.12%);RCCA与LCCA共干,且与ARSA均起源于主动脉弓,共21例(0.24%);ARSA起源于主动脉弓,右侧椎动脉起源于RCCA,共2例(0.02%);右位主动脉弓,迷走左锁骨下动脉和LCCA起源于LSA,共1例(0.01%);右位主动脉弓,LCCA、RCCA、RSA起源于主动脉弓,共2例(0.02%)。结论 广西百色市壮族人群主动脉弓分支变异情况具有独特性,以LVA直接起源于主动脉弓最常见,其次为BT与LCCA共干并起源于主动脉弓。明确主动脉弓分支变异情况对外科手术及血管内介入治疗具有较大的指导意义。

Objective To explore the variation of aortic arch branch in head and neck CT angiography(CTA) of Zhuang population in Baise,Guangxi.Methods The head and neck CTA data of 8865 Zhuang research subjects in Baise,Guangxi were collected,and the variation of aortic arch branch of the research subjects was analyzed.Results Among the 8865 research subjects,there were 7994(90.17%) cases with normal branch origin of aortic arch branch,and 871(9.83%) cases with abnormal origin of aortic arch branch in total.The variations of aortic arch branch contained eight different types as follows:left vertebral artery(LVA),brachiocephalic trunk(BT),left common carotid artery(LCCA),and left subclavian artery(LSA) were arose from the aortic arch,with 445(5.02%) cases in total;the common trunk was found in BT and LCCA,which with LSA was arose from aortic arch,with 263(2.97%) cases in total;aberrant right subclavian artery(ARSA),right common carotid artery(RCCA),LCCA,LSA were all arose from aortic arch,with 126(1.42%) cases in total;the common trunk was found in BT and LCCA,which with ARSA and LVA was all arose from aortic arch,with 11(0.12%) cases in total;the common trunk was also found in RCCA and LCCA,which with ARSA was arose from aortic arch,with 21(0.24%) cases in total;ARSA was arose from aortic arch,right vertebral artery was arose from RCCA,with 2(0.02%) cases in total;right aortic arch was found,and aberrant left subclavian artery with LCCA were arose from LSA,with 1(0.01%) case in total;furthermore,right aortic arch was found,LCCA,RCCA and RSA were arose from aortic arch,with 2(0.02%) cases in total.Conclusion The variation of aortic arch branch of Zhuang population in Baise,Guangxi is unique.LVA arising from aortic arch is the most common,followed by the common trunk of BT and LCCA arising from aortic arch.It is of great guiding significance to define the variation of aortic arch branch for surgical operation and endovascular intervention.