在多发性硬化症中进行多扩散MRI的横截面多中心研究
Einar A Høgestøl1, Daniel A Rinker2, Ivan Maximov3
1Department of Neurology, Oslo University Hospital, Oslo, Norway; Department of Psychology, University of Oslo, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
Multiple sclerosis and related disorders
|April 15, 2025
概括
先进的扩散MRI揭示了与健康对照组相比,多发性硬化症患者的白质差异. 然而,只有一些高级指标与残疾相关,这些联系在校正后并不显著.
科学领域:
- 神经成像是一种神经成像.
- 医学物理 医学物理
- 放射学 放射学是一门学科.
背景情况:
- 多发性硬化 (MS) 中的白质 (WM) 微结构变化与临床残疾有关.
- 先进的多层扩散MRI (dMRI) 提供了详细的WM属性评估.
研究的目的:
- 使用多层dMRI计算WM指标.
- 确定患有多发性硬化症 (pwMS) 和健康对照组 (HCs) 之间的WM指标的差异.
- 调查WM指标和临床残疾 (EDSS) 之间的关联.
主要方法:
- 分析了251个pwMS/临床隔离综合征 (CIS) 和543个HC的多层dMRI数据.
- 使用扩散张力成像 (DTI) 和限制频谱成像 (RSI) 来得出11个标尺度地图.
- 基于通道的空间统计 (TBSS) 和线性回归模型被用于测试群体差异和与扩展残疾状况量表 (EDSS) 的相关性.
主要成果:
- 在11个dMRI指标中的9个中观察到显著的群体差异.
- 线性回归显示了EDSS和分数异构性 (FA) 快速,明显扩散系数 (ADC) 快速之间的相关性.
- 这些相关性在邦费罗尼校正后失去了统计学意义.
结论:
- 临床上可行的多层dMRI可以检测pwMS和HC之间的WM差异.
- 只有高级多层参数的一个子集对残疾敏感.
- 经过校正后,dMRI指标和残疾之间没有统计学上显著的相关性.
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