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在大脑粉样血管病变中的定量脑电图

M C van der Plas¹, I Rasing¹, V J Geraedts¹

¹Department of Neurology, Leiden University Medical Center, Albinusdreef 2, 2300 RC, Leiden, the Netherlands.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology

|June 11, 2024

概括

定量脑电图 (qEEG) 光谱测量与大脑粉样血管病变 (CAA) 的认知功能相关. 然而,qEEG减速与皮质表面 siderosis (cSS) 没有关联.

科学领域:

神经科学是一个神经科学.
神经学神经学
生物标志物生物标志物

背景情况:

大脑粉样血管病变 (CAA) 是一种与认知能力下降和微型出血相关的脑血管疾病.
定量脑电图 (qEEG) 测量大脑活动模式,可能反映潜在的神经病理.
皮层表面 siderosis (cSS) 是 CAA 中微出血的一个标志物.

研究的目的:

研究CAA患者的qEEG测量和认知功能之间的相关性.
检查CAA中qEEG和皮质表面 siderosis (cSS) 之间的关系.
评估qEEG作为CAA认知状态的潜在生物标志物.

主要方法:

包括92名患有零星 (sCAA) 和荷兰型 (D-CAA) 大脑粉样血管病变的患者.
从qEEG.分析的光谱测量和相位滞后指数 (PLI).
通过蒙特利尔认知评估 (MoCA) 和通过3T-MRI评估cSS存在的认知.

主要成果:

在qEEG上,较低的平均峰值频率和较高的光谱比率与较低的MoCA得分相关,而不管有症状的脑内出血史.
阶段滞后指数 (PLI) 与MoCA分数没有相关性.
在cSS和没有cSS的参与者之间,没有发现qEEG减速的显著差异.

结论:

频谱的qEEG测量,但不是PLI,反映了CAA患者的认知表现.
在qEEG减缓和cSS之间没有发现任何关联.
qEEG显示出作为CAA认知评估的有价值生物标志物的潜力,特别是在具有挑战性的测试场景中.

关键词:

大脑粉样性血管病变 - 大脑粉样性血管病变认知认知是一种认知.皮层表面的 siderosis 在皮层表面的 siderosis.定量 EEG 的使用.

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