疾病前期结构储备如何影响多发性硬化症中残疾累积
Elena Barbuti1,2, Luca Prosperini3, Serena Ruggieri3
1Department of Human Neurosciences, Sapienza University, Rome, Italy.
概括
疾病前的结构储备,包括内体积 (ICV) 和脊髓通道区域 (SCCA),减轻了多发性硬化症 (MS) 中的长期残疾积累. 较高的ICV和SCCA与较慢的疾病进展有关,支持它们作为预后标记物的使用.
科学领域:
- 神经成像和神经退化
- 神经学和临床神经科学 神经学和临床神经科学
背景情况:
- 多发性硬化症 (MS) 是一种慢性神经系统疾病,其特点是残疾逐渐累积.
- 了解影响MS残疾进展的因素,包括不依赖复发活动的进展 (PIRA) 和复发相关恶化 (RAW),对于有效的管理至关重要.
- 疾病前期的结构储备,以内体积 (ICV) 和脊椎沟区域 (SCCA) 为代表,可能在神经保护中发挥作用.
研究的目的:
- 调查前病态结构储备代理 (ICV和SCCA) 对复发性MS患者长期残疾累积的影响.
- 确定ICV和SCCA是否通过PIRA和RAW途径影响残疾累积.
- 评估ICV和SCCA在达到重大残疾里程碑上的综合影响.
主要方法:
- 分析了253名患有复发性多发性硬化症的患者队列,并从他们的第一个脱髓化事件 (FDE) 开始至少进行了5年的随访.
- 使用3D T1权重的MRI扫描来估计ICV和SCCA.
- 负二项回归和竞争风险模型被用来分析PIRA和RAW事件,考虑它们的同时发生.
主要成果:
- 较高的SCCA与较少的PIRA事件和延迟PIRA发作有关.
- 较大的ICV与较少的RAW事件,晚期发生RAW和RAW中较大的年龄有关.
- 与储备较低的患者相比,高联合储备 (较大的ICV和SCCA) 的患者在显著晚些时候和更老年时达到扩展残疾状态量表 (EDSS) ≥6.0.
结论:
- 以ICV和SCCA衡量的病前疾病结构储备,显著减轻了MS的长期残疾累积.
- 这些发现支持将ICV和SCCA整合到MS的预后模型中.
- 在MS进展的背景下,ICV和SCCA是神经解剖学弹性的有价值标志物.
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