脑动静脉畸形(anteriovenous malforma-tions,AVM)是神经外科常见的血管性疾病之一,是一种胚胎时期脑血管发育异常所致的先天性血管畸形,在病变部位脑动脉与静脉之间缺乏毛细血管,致使动脉直接与静脉相通,形成脑动静脉之间的短路,产生一系列的脑血液动力学上的紊乱,出现相应的 Anteriovenous malforma-tions (AVM) is one of the common vascular diseases in neurosurgery. It is a congenital vascular malformation caused by cerebrovascular dysplasia during embryogenesis. It is lack of cerebral arteries and veins at the lesion site Capillaries, resulting in arteries directly connected with the vein, the formation of short circuits between the cerebral arteries and veins, resulting in a series of cerebral hemodynamic disorders, the corresponding