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普通人群中未破裂的颅内动脉瘤(UA)的最高发病率为0.5％,其中约95％的病例于破裂后首次诊断。在破裂前诊断出更多的动脉瘤是治疗的关键。尽管目前CT和MR得到了改善,但不能发现更多的UA,脑血管造影仍为诊断的选择。本研究旨在评估脑血管造影范围、多发性动脉瘤(MA)的发生率、UA的发生率及其定位之间的联系。在前瞻性连续研究中,5年间共登记动脉瘤性蛛网膜下腔出血病人1076例,女674例(62％),男402例(38％),平均年龄女49岁,男48岁。1076例病人中经血管造影
The highest incidence of unruptured intracranial aneurysms (UA) in the general population is 0.5%, with approximately 95% of cases diagnosed for the first time after rupture. Diagnosing more aneurysms before rupture is the key to treatment. Although CT and MR have been improved at present, but can not find more UA, cerebral angiography is still the diagnosis of choice. The aim of this study was to evaluate the relationship between the range of cerebral angiography, the incidence of multiple aneurysms (MA), the incidence of UA and its localization. In a prospective continuous study, 1,076 aneurysmal subarachnoid hemorrhages were enrolled in 5 years, 674 (62%) were females and 402 (38%) males. The mean age was 49 years and was 48 years. 1076 patients underwent angiography