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首页> 外文期刊>Journal of stroke and cerebrovascular diseases: The official journal of National Stroke Association >Comparison of the Prevalence of Ruptured and Unruptured Cerebral Aneurysms in a Poor Urban Minority Population
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Comparison of the Prevalence of Ruptured and Unruptured Cerebral Aneurysms in a Poor Urban Minority Population

机译：贫困城市少数民族人口中破裂和未破裂脑动脉瘤的患病率的比较

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Background Most ruptured cerebral aneurysms are small (7?mm). Evidence suggests low rupture rates for such lesions (1% per year). Population studies demonstrate a prevalence rate of 3.2%. This study simultaneously estimates the prevalence of aneurysms in a single geographic population while reporting the observed rate of aneurysmal subarachnoid hemorrhage (aSAH) in the same geographic region composed of a poor urban minority demographic. Methods This is an institutional review board-approved, Health Insurance Portability and Accountability Act of 1996-compliant retrospective study performed between 2005 and 2011 at a single center. Part 1 used the electronic medical record to identify all patients with a magnetic resonance angiography demonstrating a cerebral aneurysm. Part 2 used the electronic medical record to identify all patients from the same geographic area presenting with aSAH during the study period. Results A total of 11,160 subjects had a magnetic resonance angiography from the study area. In this group, 422 intradural cerebral aneurysms were incidentally discovered. Ninety-one percent were less than 10?mm (mean 5.49, standard deviation 4.6). Twenty-one percent were aneurysms of the anterior communicating artery complex. Fourteen percent were of posterior communicating artery origin. A total of 237 patients had aSAH. Ninety-two percent of the aneurysms were less than 10?mm (mean 6?mm, standard deviation 3.2?mm). Both groups were composed of poor urban minority patients. Conclusions The observed annual rate of rupture of small anterior circulation aneurysms in this study was .06%-.15% per year. The extrapolated population prevalence of such aneurysms (4.0%-1.5%) may explain the observed rate of rupture of these small aneurysms in a poor urban minority population. ]]>
机译：背景技术最破裂的脑动脉瘤（＆7Ωmm）。证据表明这种病变的低破裂率（每年1％）。人口研究表明患病率为3.2％。本研究同时估计单个地理人群中动脉瘤的患病率，同时报告了由贫困城市少数民族人群组成的同一地理区域中观测到的动脉瘤性蛛网膜膜瘤出血（AAAH）。方法是这是一个制度审查董事会核查，健康保险携带和责任行动，符合1996年的回顾研究，在2005年至2011年间在单一中心进行。第1部分使用电子医疗记录来识别磁共振血管造影的所有患者，展示脑动脉瘤。第2部分使用了电子医疗记录，以识别在研究期间与Asah一起呈现的同一地理区域的所有患者。结果总共11,160个受试者从研究区具有磁共振血管造影。在该组中，偶然发现了422个内腔脑动脉瘤。百分之九十一度百分比（平均5.49，标准偏差4.6）。二十一度百分之是前沟通动脉复合物的动脉瘤。 14％的百分之十是沟通动脉起源。共有237名患者有ASAH。 92％的动脉瘤小于10？mm（平均6？mm，标准偏差3.2？mm）。两组都是由贫困城市少数民族患者组成的。结论本研究中观察到的小前循环动脉瘤的破裂率为.06％ - 。每年15％。这种动脉瘤的外推人群患病率（4.0％-1.5％）可以解释在贫困城市少数民族人群中观察到这些小动脉瘤的破裂率。 ]]>

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