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自由水成像揭示了帕金森病亚型中纵向结构性大脑变化的独特模式

Abigail E Bower¹, Sophia J Crisomia¹, Jae Woo Chung²

¹Department of Kinesiology and Applied Physiology, University of Delaware, Newark, DE, United States.

Frontiers in neurology

|November 15, 2023

概括

免费水 (FW) 成像显示了帕金森病 (PD) 亚型中明显的脑部变化. 姿势不稳定和步行困难 (PIGD) 亚型表现出更快的进展,由特定大脑区域的FW增加表明.

科学领域:

神经成像是一种神经成像.
神经退行性疾病神经退行性疾病
生物标志物生物标志物

背景情况:

帕金森病 (PD) 的进展在亚型之间有所不同,姿势不稳定和步行困难 (PIGD) 的进展速度比震主导 (TD) 快.
了解区分PD亚型的潜在结构性大脑变化是有限的,特别是在疾病早期阶段.
当前的成像技术往往只在疾病晚期阶段检测到变化.

研究的目的:

研究帕金森病的TD和PIGD亚型中多个大脑区域自由水 (FW) 的纵向变化.
评估FW作为区分PD亚型的进展标志物的实用性.

主要方法:

利用了来自帕金森病进展标志物倡议 (PPMI) 对TD和PIGD参与者研究的扩散MRI数据.
量化自由水 (FW) 在两年内在基底,丘脑,脑干和小脑中感兴趣的区域发生变化.
采用后勤回归模型来评估FW变化和临床测量的准确性,以区分PD亚型.

主要成果:

在TD和PIGD组之间没有观察到FW的显著基线差异.
在两年内,PIGD亚型在门,白色球体和小脑叶V中呈现出更大的FW百分比增加.
运动分数和FW变化的组合模型在区分TD和PIGD亚型时获得了91.4%的准确性,仅使用临床或成像数据的模型的性能优于模型.

结论:

免费水 (FW) 成像显示了研究帕金森病进展的潜在敏感标记.
在特定的大脑区域内,FW的不同纵向变化为早期PD亚型的明显进展途径提供了洞察力.
FW分析可能有助于区分PD亚型和跟踪疾病进展.

关键词:

在 DTI 中,DTI 是指DTI.猪:猪是一个猪.帕金森病是帕金森氏症的一种疾病.在这里,我们可以看到TDTDTD.这是一个渐进的过程.

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