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与ANCA阳性相关的间歇性肺病:与具有自身免疫特征的间歇性肺炎不同的疾病谱
Wenyan Zhu1, Chunsheng Zhou2, Xin Sun1
1Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing China.
Respiratory medicine and research
|June 8, 2024
概括
与抗中性粒细胞质抗体相关的间歇性肺炎 (ANCA-IIP) 的治疗反应较差,死亡率高于具有自身免疫特征的间歇性肺炎 (IPAF). 由于预测不同,ANCA-IIP不应该被归类为IPAF.
科学领域:
- 肺部病理学 肺部病理学
- 类风湿病学 类风湿病学
- 免疫学 免疫学 免疫学
背景情况:
- 抗中性粒细胞质抗体 (ANCA) 阳性在间歇性肺病 (ILD) 中很常见.
- 阳性ANCA异常间歇性肺炎 (ANCA-IIP) 缺乏系统性血管炎症状,与典型的ANCA相关血管炎不同.
- 尽管ATS/ERS指南排除了这一点,但ANCA-IIP在具有自身免疫特征的间歇性肺炎 (IPAF) 中的分类仍在争论中.
研究的目的:
- 为了比较ANCA-IIP和IPAF患者之间的临床结果和治疗反应.
- 为了确定ANCA-IIP是否应该被归类为IPAF的亚型.
- 为了评估ANCA-IIP和IPAF之间的预后差异.
主要方法:
- 对被诊断患有ANCA-IIP或IPAF的ILD患者的回顾性分析.
- 肺功能测试 (PFTs) 的评估和一年后随访的所有原因死亡率.
- 两组之间的基线特征,治疗反应和生存率的比较.
主要成果:
- ANCA-IIP患者是年长的男性,具有类似的基线PFT,但比IPAF患者更好的FEV1%.
- 通过免疫抑制疗法,IPAF患者的病情有所改善,而ANCA-IIP患者显示PFT持续恶化.
- 与IPAF (6.3%) 相比,ANCA-IIP的全因死亡率 (22.2%) 显著更高.
结论:
- 在ANCA-IIP和IPAF中,对免疫抑制疗法和葡萄糖皮质激素有不同的反应.
- 预测有很大的差异,ANCA-IIP显示出更糟糕的结果.
- 由于这些差异,ANCA-IIP不应该被归类在IPAF下.
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