皮质刺激性作为一个预后和表型分层生物标志物在肌缩侧面硬化症
Federico Ranieri1, Gianmaria Senerchia2, Luigi Bonan3
1Neurology Unit, Department of Neuroscience, Biomedicine, and Movement Sciences, University of Verona, Verona, Italy.
Annals of neurology
|June 25, 2025
概括
运动唤起的潜力与复合肌肉动作潜力 (MEP:CMAP) 的比率可以识别肌缩性侧面硬化症 (ALS) 现型并预测生存率. 这种可访问的生物标志物反映了皮质脊髓刺激性,有助于患者分层和预后.
科学领域:
- 神经科学是一个神经科学.
- 临床神经学 临床神经学
- 生物标志物发现发现
背景情况:
- 肌缩侧面硬化症 (ALS) 呈现出显著的临床异质性,但具有早期皮质刺激性改变的共同特征.
- 这些刺激性变化越来越被认为是疾病进展的关键驱动因素.
- 需要可访问的生物标志物来有效地分层ALS患者.
研究的目的:
- 评估运动唤起潜力 (MEP) 与复合肌动力潜力 (CMAP) 的比率,作为皮质脊髓刺激性的标志物.
- 确定MEP:CMAP比率是否可以根据表型,疾病阶段和生存率对ALS患者进行分层.
- 评估这个比率在一个大,现实世界的队列中的临床效用.
主要方法:
- 一项多中心的回顾性研究,涉及来自意大利16个高等医疗中心的743名ALS患者.
- 从上肢肌肉中记录了MEP:CMAP比率,并将其分类为高兴度,正常或低兴度.
- 与MEP:CMAP比率相比,分析了表型,疾病阶段 (国王分期) 和存活率 (卡普兰-梅尔,考克斯回归).
主要成果:
- 在ALS表型中,MEP:CMAP比率显著不同 (p < 0.0001),低运动神经元占主导地位的形式和上运动神经元占主导地位的形式有明显的模式.
- 低兴奋度与晚期疾病阶段相关 (p < 0.0001).
- 过度兴奋与较短的生存时间相关 (p = 0.004),MEP:CMAP比率独立预测了生存时间 (HR 1.84,p = 0.016).
结论:
- 欧盟议员:CMAP比率是一个有价值和可扩展的生物标志物,用于评估ALS中的皮质刺激性.
- 这一比率证明了在各种ALS表型和疾病阶段的预后相关性.
- 这些发现支持MEP:CMAP比率在现实世界ALS实践中对患者分层和生存预测的临床实用性.
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