在高分辨率计算机断层扫描上,异常性炎症性肌肉病相关的间歇性肺病的纵向变化,这是一个前性队列研究
Yuhui Qiang1,2, Hongyi Wang2,3, Yifei Ni3,4
1Immune Dysfunction and Pulmonary Fibrosis Joint Laboratory for Clinical Medicine, Capital Medical University, Beijing, P.R. China.
与异形性炎症性肌肉病相关的间歇性肺病 (IIM-ILD) 的进展因抗体状况而异. 抗MDA5抗体和地面玻璃的不透明性预测肺部疾病的快速进展,导致慢性纤维化.
科学领域:
- 肺部医学 肺部医学
- 类风湿病学 类风湿病学
- 放射学 放射学是一门学科.
背景情况:
- 与异形性炎症性肌肉病相关的间歇性肺病 (IIM-ILD) 在其纵向过程中呈现出显著的异质性.
- 了解影响疾病进展的因素对于患者管理至关重要.
研究的目的:
- 用高分辨率计算机断层扫描 (HRCT) 来研究IIM-ILD的纵向变化.
- 在IIM内确定快速进展的间歇性肺病 (RP-ILD) 的预测因素.
- 为了比较不同IIM亚型之间的疾病轨迹.
主要方法:
- 一项从2016-2022年对514名IIM-ILD患者进行的前性队列研究.
- 深度学习算法量化了HRCT上的间歇性病变.
- 分析了临床参数,包括肺功能测试和生物标志物.
主要成果:
- 抗MDA5抗体阳性,减少FVC,以及广泛的磨砂玻璃不透明度 (GGO) 或网膜是RP-ILD的独立风险因素.
- 与抗合成酶综合征 (ASS) 相比,在快速进展过程中,抗MDA5阳性皮肤肌炎 (MDA5+DM) 在纤维化和炎症性病变中呈现出更大的进展.
- MDA5+DM倾向于慢性纤维化,而ASS在缓慢渐进期表现出改善.
- 纵向GGO比例是关键的预后指标,随着时间的推移增加了不良结果的风险.
结论:
- 具有先前快速进展的IIM-ILD患者会发展出慢性纤维化轨迹,并具有持续的炎症.
- ASS表现出持续的炎症活动,而MDA5+DM表现出后急性纤维性重塑.
- 纵向GGO是一个关键的预后指标,具有时间依赖的累积风险效应.
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