研究多发性硬化症视神经炎后年龄对神经退行的影响,使用光学连贯断层扫描
Henriette Km Reinsberg1,2, Frederike C Oertel1,3,4,5, Daniel Casillas1
1Weill Institute for Neurosciences, Department of Neurology, University of California San Francisco (UCSF), San Francisco, CA, USA.
概括
患有多发性硬化症 (MS) 的老年人在视神经炎 (ON) 发作后经历了更大的神经轴损伤. 这表明老年患者的神经元性降低,增加他们永久残疾的风险.
科学领域:
- 眼科医生 眼科 眼科
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
背景情况:
- 多发性硬化症 (MS) 的残疾进展取决于年龄,但神经轴突退化的时间尚未完全理解.
- 了解与年龄相关的神经退行对于治疗多发性硬化症至关重要,特别是在日益增长的老年人群中.
研究的目的:
- 为了研究年龄如何影响视网膜神经退行在MS患者的光神经炎 (ON) 的第一个发作后.
- 评估年龄对ON后视网膜中神经轴突损伤的影响.
主要方法:
- 视网膜神经纤维层 (pRNFL) 和黄斑结节细胞内状层 (mGCIPL) 厚度在MS患者中测量了最近的ON (MS-ON) 和没有ON史 (MS-NON).
- 参与者根据年龄,性别和扩展残疾状况尺度 (EDSS) 进行了匹配.
- 统计分析使用混合线性效应模型来评估年龄和ON状态之间的相互作用.
主要成果:
- 对于pRNFL和mGCIPL厚度,观察到年龄和ON状态之间的显著相互作用.
- 年龄较大的个体在ON后显示出与年龄相关的PRNFL和mGCIPL显着更大,这表明神经轴损伤增加.
结论:
- 这些发现表明,老年多发性硬化症患者在像ON这样的急性发作后会经历更严重的神经轴突损伤.
- 这意味着随着年龄的增长,神经元的弹性降低,导致残疾恶化超过缓慢,阴险的进展.
- 患有多发性硬化症的老年人可能在急性事件后面临更高的永久残疾风险,这需要进一步的纵向调查.
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