将近皮层周血管空间与大脑粉样血管病变联系起来:基于5.0 T MRI的研究
Yaping Zhou1, Yuhui Sha1, Jing Yuan1
1Department of Neurology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Journal of Alzheimer's disease : JAD
|March 16, 2026
概括
在脑粉样血管病变 (CAA) 中,右皮层周血管空间 (jPVS) 的负担显著更高,并且与其临床诊断和成像标记物独立相关,这表明jPVS是潜在的补充诊断工具.
科学领域:
- 神经学 神经学
- 放射学 放射学是一门学科.
- 医疗成像医学成像
背景情况:
- 在大脑粉样血管病变 (CAA) 中观察到右皮层周血管空间 (jPVS),但其诊断相关性尚不清楚.
- 了解jPVS和CAA之间的关联对于改善诊断和患者管理至关重要.
研究的目的:
- 调查jPVS负担与CAA的临床诊断之间的关系.
- 探索jPVS负担与已建立的CAA成像标志物之间的关联.
主要方法:
- 对117名患者 (48名可能患有CAA,69名患有动脉硬化) 的回顾性分析,使用超高场5.0TMRI.
- 使用视觉评分尺度对jPVS负担的量化.
- 评估已确立的CAA标记物:中心半圆周血管空间 (CSO-PVS),叶片脑内出血 (ICH),叶片脑微出血 (CMB) 和皮质表面 siderosis (cSS).
- 统计分析包括多变量逻辑回归,ROC分析和通用线性模型.
主要成果:
- 与动脉样硬化症患者相比,可能患有CAA的患者的jPVS负担显著更高 (p < 0.001).
- 较高的jPVS负担与临床诊断的CAA独立相关 (OR: 14.93; p < 0.001).
- jPVS计数显示了CAA的良好区分 (AUC 0.799; p < 0.001) 并与CSO-PVS,叶片ICH,叶片CMB和cSS相关联 (所有p < 0.05).
结论:
- jPVS负担与CAA的临床诊断独立相关.
- jPVS负担也与已建立的CAA成像标记者相关.
- jPVS可以作为CAA的有价值的补充成像标志物,具有潜在的临床实用性.
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