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脑动静脉畸形(AVM)合并动脉瘤已有广泛文献报导,但其分类方法仍未完善。作者根据AVM与动脉瘤的解剖和病理生理学关系提出一种新的分类方法。并回顾了1987年～1997年间632例AVM病人,以确定合并动脉瘤的发生率和出血率及AVM的治疗对动脉瘤自然病程的影响。 作者将AVM合并的动脉瘤分为三型:①巢内型:动脉瘤位于AVM灶内,血管造影早期即充盈;②供血动脉有关型——动脉瘤位于AVM供血动脉上。可细分为近端血流有关型(指动脉瘤位于颈内动脉床突上段,Willis动脉环,大脑中动脉到其主要分叉部,大脑前动脉到前交通动脉或椎基底干)与远端血流有关型
Cerebral arteriovenous malformation (AVM) with aneurysm has been widely reported in the literature, but the classification method is still not perfect. The authors propose a new classification method based on the anatomy and pathophysiology of AVM and aneurysms. And reviewed from 1987 to 1997, 632 cases of AVM patients to determine the incidence of aneurysms and hemorrhage rate and AVM treatment of aneurysms on the natural course of the disease. The authors classify the AVM aneurysms into three types: â ’the nested type: the aneurysm is located in the AVM, angiography early filling; â’¡ blood supply artery-type - aneurysm located in the AVM feeding artery. Can be subdivided into proximal blood flow-related (referring to the aneurysm located in the carotid artery superior mesenteric segment, Willis artery ring, middle cerebral artery to its main bifurcation, anterior cerebral artery to anterior communicating artery or vertebral basilar) and far Side of the blood flow type