Prevalence of asymptomatic incidental aneurysms: review of 4568 arteriograms

摘要: Object. The prevalence of unruptured cerebral aneurysms is unknown, but estimated to be as high 5%. goal this study was determine the asymptomatic incidental aneurysms. Methods. authors studied all arteriography reports produced at a single institution, University Virginia, between April 1969 and January 1980. A review 3684 arteriograms demonstrated 24 cases aneurysms, yielding rate 0.65%. majority (67%) patients harboring were women. More than 90% located in anterior circulation locations similar those found with ruptured Nearly 80% smaller 1 cm their greatest diameter. frequency asymmetrical (0.6–1.5%) constant throughout relevant age ranges (35–84 years). Conclusions. While keeping mind appropriate caveats extrapolating from these data, prev...