探索未知遗传来源的主要抗体缺陷中的病原体
Barbara Bergmans1,2, Lisanne Fontane Pennock-Janssen3, Eugène van Puijenbroek4,5
1Tranzo, Tilburg School of Social and Behavioral Sciences, Tilburg University, Tilburg, The Netherlands. b.j.m.bergmans@tilburguniversity.edu.
Journal of clinical immunology
|December 12, 2025
概括
主要抗体缺乏症 (PADs) 通常涉及复发性呼吸道感染,主要来自封装细菌. 对于患有严重细菌感染的患者来说,早期免疫学评估至关重要,以改善诊断和预后.
科学领域:
- 免疫学 免疫学 免疫学
- 传染性疾病 传染性疾病
- 罕见疾病 罕见疾病
背景情况:
- 主要抗体缺陷 (PADs) 是一种罕见的,异质的疾病,增加了对感染,自身免疫,过敏和恶性瘤的易感性.
- 在PAD中,延迟诊断导致发病率和死亡率增加.
- 了解感染模式和支气管病变的预测因素是早期PAD诊断和改善结果的关键.
研究的目的:
- 在患有PAD的患者中识别感染模式.
- 在PAD诊断 (BPAD) 时分析支气管切除症存在的预测因素.
- 为了促进早期诊断和改善PAD患者的预后.
主要方法:
- 从ESID注册表中分析PAD患者的感染类型和病原体,没有确定遗传来源.
- 使用通用混合效应物流回归来识别BPAD预测因素.
- 对五个机器学习分类器进行评估,以预测性能.
主要成果:
- 在861名PAD患者中,复发性呼吸道感染占主导地位,封装细菌是最常见的.
- 微生物培养没有充分利用 (5.9-12.3%).
- 预测BPAD的因素包括受影响的器官系统,严重的细菌感染,封装细菌和CVID诊断;机器学习模型显示中度的歧视 (ROC-AUC 0.679-0.746).
结论:
- 复发性封装细菌呼吸道感染是PAD的特征,培养物的利用量显著不足.
- 一般化混合效应物流回归有效预测了BPAD.
- 临床医生应考虑对患有严重/复发性细菌感染,多系统参与或重复隔离封装细菌的患者进行免疫学评估.
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