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在ANCA相关的间歇性肺病中临床概况,生存和肺功能结果:一项观察性研究

Cristina Valero-Martínez¹, Claudia Valenzuela², Juan Pablo Baldivieso Achá¹

¹Rheumatology Department, Hospital Universitario de La Princesa, IIS-Princesa, 28006 Madrid, Spain.

Journal of clinical medicine

|January 11, 2025

概括

与抗中性粒细胞质抗体 (ANCA) 相关的间歇性肺病 (ILD) 经常呈现纤维化模式,近一半的患者患有与ANCA相关的血管炎 (AAV). 早期死亡率很高,这强调了所有ILD患者需要ANCA测试的必要性.

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) 越来越多地检测到间歇性肺病 (ILD).
在ILD中ANCA的预后影响,特别是在没有明显的ANCA相关血管炎 (AAV) 的情况下,仍然不清楚.
目前,ANCA不是具有自身免疫特征的间歇性肺炎 (IPAF) 标准的一部分,这可能导致诊断不足.

研究的目的:

调查ANCA阳性ILD患者的临床特征和预后.
为了确定ANCA-ILD患者中AAV的流行率.
在ANCA-ILD.中确定与肺功能下降和死亡率相关的因素.

主要方法:

对23名ILD患者具有阳性ANCA的单中心队列的回顾分析.
评估肺功能,放射学模式,血清学标志物和治疗反应.
使用卡普兰-梅尔曲线和考克斯回归模型进行生存分析.

主要成果:

该队列主要由女性组成,中位数为ILD诊断后36个月. 抗MPO抗体是最常见的 (56.5%).
几乎一半的患者 (47.8%) 患有并发性AAV,主要是微观多炎 (MPA),与抗MPO和NSIP模式相关.
纤维化模式 (UIP或纤维化NSIP) 是普遍存在的 (73.9%),特别是UIP (51.2%). 观察到高累积死亡率 (43.4%),UIP模式与增加的早期死亡率有关.
肺功能受损或放射性进展发生在65.2%的患者中. 免疫抑制剂的使用显示出减少ILD相关死亡的趋势.

结论:

ANCA-ILD患者经常表现出纤维化肺病,并且很大一部分患者有相关的AAV.
这个队列中高和早期的死亡率凸显了ANCA在ILD中的临床意义.
建议在所有ILD患者中进行常规ANCA测试,以改善诊断和管理.

关键词:

在 AAV AAV AAV 中.安卡 ANCA 的时间.一个ILD的ILD.抗中性子细胞质抗体的抗中性子细胞质抗体.间歇性肺病间歇性肺病血管炎是一种血管炎.

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