Prevalence of cerebral amyloid angiopathy: A systematic review and meta-analysis.

Prevalence of cerebral amyloid angiopathy: A systematic review and meta-analysis.
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DOI:
10.1002/alz.12366
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发表时间:
2022-01
影响因子:
14
通讯作者:
Verbeek, Marcel M.
Verbeek, Marcel M.
中科院分区:
医学1区
文献类型:
--
作者:
Jakel, Lieke;De Kort, Anna M.;Klijn, Catharina J. M.;Schreuder, Floris H. B. M.;Verbeek, Marcel M.

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据报道,散发性脑淀粉样血管病(CAA)的患病率估计相差很大。CAA与认知功能障碍和脑出血有关,并与阿尔茨海默病(AD)免疫治疗相关的副作用有关。鉴于开发AD免疫疗法的持续努力,对CAA流行率的准确估计是重要的。CAA可以在神经病理学上或在生活中使用MRI标记物进行诊断,包括严格意义上的肺叶微出血。在这项对170项研究、超过73,000名受试者的荟萃分析中,我们表明,在AD患者中,基于病理的CAA患病率(48%)是基于严格的脑叶微出血的CAA患病率(22%)的两倍;在普通人群中,这一差异是三倍(23%对7%)。这两种方法在认知正常的老年人(5%到7%)、脑出血患者(19%到24%)和脑叶出血患者(50%到57%)中CAA的估计患病率相似。然而,我们观察到神经病理学和MRI方案之间存在很大的异质性,这就需要对CAA进行标准化的评估和报告。
Reported prevalence estimates of sporadic cerebral amyloid angiopathy (CAA) vary widely. CAA is associated with cognitive dysfunction and intracerebral hemorrhage, and linked to immunotherapy‐related side‐effects in Alzheimer's disease (AD). Given ongoing efforts to develop AD immunotherapy, accurate estimates of CAA prevalence are important. CAA can be diagnosed neuropathologically or during life using MRI markers including strictly lobar microbleeds. In this meta‐analysis of 170 studies including over 73,000 subjects, we show that in patients with AD, CAA prevalence based on pathology (48%) is twice that based on presence of strictly lobar cerebral microbleeds (22%); in the general population this difference is three‐fold (23% vs 7%). Both methods yield similar estimated prevalences of CAA in cognitively normal elderly (5% to 7%), in patients with intracerebral hemorrhage (19% to 24%), and in patients with lobar intracerebral hemorrhage (50% to 57%). However, we observed large heterogeneity among neuropathology and MRI protocols, which calls for standardized assessment and reporting of CAA.
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