低阳光照射与渐进发作和复发发作的多发性硬化症风险有关:一个病例对照研究
Ying Li1, Alice Saul1, Bruce Taylor1
1Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.
Neuroepidemiology
|September 11, 2024
概括
低阳光照射增加了多发性硬化症 (MS) 发病风险,特别是在渐进性发病的MS (POMS). 与复发性MS (ROMS) 相比,更高的紫外线 (UVR) 暴露对POMS显示出更强的保护作用.
科学领域:
- 流行病学 流行病学
- 环境健康 环境健康
- 神经学 神经学
背景情况:
- 阳光暴露与多发性硬化症 (MS) 发病有关,但研究往往缺乏逐渐发病的MS (POMS) 和复发性MS (ROMS) 的区别.
- 之前的研究并没有一致地分别报告POMS和ROMS关于阳光照射的风险估计.
研究的目的:
- 调查疾病前暴露于阳光和POMS风险之间的关联.
- 为了比较阳光暴露对POMS和ROMS的影响.
主要方法:
- 一项全国性的病例控制研究,利用PPMS和Ausimmune研究的数据.
- 包括153个POMS病例,204个ROMS病例和558个对照.
- 通过自我报告的时间,来自卫星的紫外线剂量和使用后勤回归对共变量进行调整来评估阳光照射.
主要成果:
- 较高的累积紫外线辐射 (UVR) 暴露表明了剂量反应相关性,降低了POMS和ROMS风险.
- 紫外线暴露和减少多发性硬化风险之间的关联在POMS中始终比ROMS更强.
- 休时间的紫外线剂量 (每100kJ/m2增量) 与POMS (aOR 0.93) 和ROMS (aOR 0.96) 有显著的关联,具有显著的相互作用效应 (p < 0.001).
结论:
- 终身低阳光暴露与POMS和ROMS的风险增加有关.
- 阳光暴露对MS发作的保护作用在POMS中比ROMS更明显.
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