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Cerebrovascular pathology in Alzheimer's disease: Hopes and gaps
Psychiatry Research: Neuroimaging ( IF 2.1 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.pscychresns.2020.111184
Atef Badji 1 , Eric Westman 2
Affiliation  

Alzheimer's disease (AD) is recognized as multifactorial and heterogeneous disease with multiple contributors to its pathophysiology, including vascular dysfunction. Given that a revision of the AT(N) classification is expected in the near future, the present work supports the importance to add an additional vascular (V) category to the framework. In particular, we attempt to shed light on the vascular markers and risk factors that are currently ready-to-be-added to the framework: i) lacunes, ii) white matter hyperintensities and iii) microbleeds seen in Flair, T2* weighted imaging and susceptibility images (SWI). Next, we discuss the added value of other types of imaging, such as diffusion-based metrics and advanced perfusion sequences to encompass more subtle vascular dysfunction. Finally, we highlight the importance to add information about the following cardiovascular risk factors to the framework: history of hypertension, obesity, and diabetes. We believe that adding a V category to the AT(N) framework will improve AD classification and foster efforts to apply the right drug(s) at the right time in the right AD subgroups. Brief communication The present work supports the importance to add an additional vascular (V) category to the AT(N) framework and shed light on the vascular MRI markers and risk factors that are currently ready-to-be-added to the framework.

中文翻译:

阿尔茨海默病的脑血管病理学:希望和差距

阿尔茨海默病 (AD) 被认为是多因素和异质性疾病,其病理生理学有多种因素,包括血管功能障碍。鉴于预计在不久的将来会对 AT(N) 分类进行修订,目前的工作支持在框架中添加额外的血管 (V) 类别的重要性。特别是,我们试图阐明目前准备添加到框架中的血管标志物和风险因素:i) 腔隙,ii) 白质高信号和 iii) 在 Flair 中看到的微出血,T2* 加权成像和磁化率图像 (SWI)。接下来,我们将讨论其他类型成像的附加价值,例如基于扩散的指标和先进的灌注序列,以涵盖更细微的血管功能障碍。最后,我们强调将有关以下心血管危险因素的信息添加到框架中的重要性:高血压、肥胖和糖尿病史。我们相信,在 AT(N) 框架中添加 V 类别将改进 AD 分类并促进在正确的时间在正确的 AD 亚组中应用正确的药物的努力。简要交流 目前的工作支持在 AT(N) 框架中添加额外的血管 (V) 类别的重要性,并阐明目前准备添加到框架中的血管 MRI 标记和风险因素。我们相信,在 AT(N) 框架中添加 V 类别将改进 AD 分类并促进在正确的时间在正确的 AD 亚组中应用正确的药物的努力。简要交流 目前的工作支持在 AT(N) 框架中添加额外的血管 (V) 类别的重要性,并阐明目前准备添加到框架中的血管 MRI 标记和风险因素。我们相信,在 AT(N) 框架中添加 V 类别将改进 AD 分类并促进在正确的时间在正确的 AD 亚组中应用正确的药物的努力。简要交流 目前的工作支持在 AT(N) 框架中添加额外的血管 (V) 类别的重要性,并阐明目前准备添加到框架中的血管 MRI 标记和风险因素。
更新日期:2020-12-01
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