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[目的]探讨颅内动脉瘤栓塞术后患者出现栓塞并发症的相关因素。[方法]选择宣武医院2010年6月至2013年3月间进行颅内动脉瘤栓塞术的252例患者，对颅内动脉瘤不同直径以及颅内不同部位的动脉瘤栓塞后出现栓塞相关并发症的情况进行分析。[结果]本组252例患者中，颅内动脉瘤直径未超过5 mm患者出现栓塞并发症的几率显著低于颅内动脉瘤直径在5～10 mm及10～25 mm的颅内动脉瘤直径的患者，且各组比较差异均有显著性（ P ＜0．05）；后交通动脉瘤和颈内动脉瘤出现栓塞并发症的几率显著低于大脑中动脉瘤、前交通动脉瘤）及大脑后动脉瘤的发生率，且差异有显著性（ P ＜0．05）。[结论]颅内动脉瘤的直径越小，出现栓塞并发症的几率越低；后交通动脉瘤和颈内动脉瘤的栓塞并发症的发生率相对较低。“,”[Objective] To explore the related factors of the complications after embolization of patients with intracranial aneurysm .[Methods] A total of 252 patients undergoing the embolization of intracranial an-eurysm in Xuanwu hospital from June 2010 to March 2013 were chosen .The complications after the emboliza-tion of intracranial aneurysm with different diameter and sites were analyzed .[Results] Among 252 patients , the incidence of the complications of intracranial aneurysm patients with diameter less than 5mm was markedly lower than that of patients with 5~10 mm or 10~25 mm diameter ,and there was significant difference( P<0 .05) .The incidence of embolism complications of patients with posterior communicating aneurysm or intraca-rotid aneurysm were markedly lower than that of patients with posterior cerebral artery aneurysm ,and there was significant difference( P <0 .05) .[Conclusion] The smaller intracranial aneurysms diameter ,the lower the incidence of embolism complications .The incidence of posterior communicating artery and internal intraca-rotid aneurysm is relative low .