Methods 9 patients with posterior circulation intracranial unclipped aneurysms were treat ed with detachable balloons or GDCs to occlude proximal vertebral artery of aneu rysms.

• 方法用血管内球囊或弹簧圈闭塞椎动脉治疗9例颅内后循环不可夹闭动脉瘤。