126例前交通动脉瘤血管影像特点分析

Angiographic study of anterior communicating artery aneurysm in 126 cases of patients

目的对前交通动脉瘤的脑血管造影结果进行分析。方法总结分析了作者所在医院近15年经脑血管造影证实的126例前交通动脉瘤的影像学资料,随机选取170例非前交通动脉瘤的脑血管造影作为对照。结果126例前交通动脉瘤中,112例为动脉瘤侧大脑前动脉A1段呈优势供血,对侧大脑前动脉A1段纤细或缺如,血管影像出现明显的“三分叉动脉征”;对照组中,162例的大脑前动脉血管影像双侧对称,无以上表现,仅8例出现“三分叉动脉征”。结论双侧大脑前动脉发育不均衡是形成前交通动脉瘤的危险因素,出现“三分叉动脉征”的患者应积极随访观察。

Objective To study the cerebral angiographic features of anterior communicating artery aneurysm (ACoAA). Method Results of cerebral angiography in 126 patients with ACoAA were reviewed and compared with those in 170 randomly selected patients with non-AcoAA changes. Results Anterior cerebral artery A1 segment on the same side with A-CoAA was dominant in blood supply in 112 patients, while A1 segment on the other side was inflicted with severe stenosis or obliteration. Obvious cerebral angiographic abnormity presented as trifurcation was also observed, which was not found in patients in the control group who had approximate symmetry in both sides of AcoAA, with exception in only 8 cases. Conclusion The asymmetry of AcoA growth is the dangerous factor for AcoAA formation, and regular follow-up study should be performed in patients with signs of trifurcation.