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Spontaneous Hydropneumothorax Complicating Acute Asthma Exacerbation Diagnosed by Electrical Impedance Tomography.
Archivos de bronconeumologia·2026
常见可变免疫缺陷中的肺功能轨迹:一项观察性回顾性多中心研究.
Helena Buso1, Davide Firinu2, Renato Finco Gambier1
1Department of Medicine, DIMED, University of Padova, Padova, Italy; Internal Medicine 1, Ca' Foncello University Hospital, AULSS2, Treviso, Italy.
The Journal of allergy and clinical immunology
|November 20, 2024
概括
患有常见可变免疫缺陷 (CVID) 的患者往往有肺功能减弱,但他们的肺衰退在诊断后没有加速. 这项研究分析了CVID患者的肺生理学,发现大多数患者的肺体积较小,但下降率稳定.
科学领域:
- 肺部病理学 肺部病理学
- 免疫学 免疫学 免疫学
- 内部医学 内部医学
背景情况:
- 呼吸系统疾病是常见的可变免疫缺陷 (CVID) 中疾病和死亡的重要原因.
- 在CVID中肺功能轨迹尚未得到充分理解,需要进一步调查.
研究的目的:
- 为了确定CVID患者的肺生理测量.
- 分析CVID中肺功能时间轨迹.
- 调查CVID肺功能和临床/免疫学参数之间的关联.
主要方法:
- 从5个意大利中心的185名CVID患者的纵向肺功能测试 (PFT) 和胸部CT扫描的回顾性分析.
- 使用欧洲呼吸学会/美国胸腔学会2021年指导方针标准化了PFT,将结果表达为健康人口正常分布中的百分位.
- 研究了肺功能参数 (FEV1,FVC) 与临床/免疫学因素之间的关联,包括切换记忆B细胞计数.
主要成果:
- 大多数CVID患者的肺体积在正常分布的下三分之一;23%的FEV1低于正常的下限 (LLN),21%的FVC低于LLN.
- 低切换记忆B细胞 (<2%) 与FEV1 (OR 7.58) 和FVC (OR 3.55) 的降低显著相关.
- 在具有至少5年PFT数据的患者中,FEV1 (25.6毫升/年) 和FVC (15.6毫升/年) 的年度下降与预测率没有显著差异.
结论:
- 大多数CVID患者的肺体积低于健康个体的中位数.
- 在CVID患者中,肺功能下降的速度在诊断后没有加速,这表明肺功能方面疾病的进展稳定.
- 识别像切换记忆B细胞这样的免疫标志物可能有助于预测CVID的肺功能障碍.


