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患有复发性呼吸道感染的儿童的肺炎球菌抗体反应:一项描述性研究
Falke Ceuppens1, Isabelle Meyts2, Xavier Bossuyt3
1Department of Paediatrics, University Hospital Leuven, Belgium.
概括
多糖抗体缺乏影响超过四分之一的儿童有复发性呼吸道感染,但与疾病严重程度无关. 这一发现有助于诊断儿科患者的敏感性.
科学领域:
- 免疫学 免疫学 免疫学
- 儿科 儿科 儿科
背景情况:
- 儿童经常出现呼吸道感染可能表明潜在的多糖抗体缺乏.
- 诊断评估包括评估疫苗接种后的肺炎球菌抗体反应.
- 这种缺陷的患病率和治疗影响仍未得到充分研究.
研究的目的:
- 为了确定多糖抗体缺乏在患有复发性呼吸道感染的儿童中的患病率.
- 为了将多糖类反应与临床严重程度相关联.
- 检查IgG2/IgG比率,IgA水平,年龄和抗体缺乏之间的关系.
主要方法:
- 对103名患有复发性呼吸道感染的儿童进行了回顾性分析.
- 评估的肺炎球菌多糖体抗体标位 (血清型8,9N,15B),临床数据和免疫球蛋白水平.
- 使用美国过敏,喘和免疫学学院的指导方针解释了抗体反应.
主要成果:
- 27.2%的儿童被诊断患有多糖抗体缺乏症.
- 在抗体缺乏和临床严重程度之间没有发现相关性.
- 较高的IgG2/IgG比率和年龄较大与正常的多糖反应有关.
结论:
- 诊断性肺炎球菌多糖体疫苗接种在18.4%患有复发性呼吸道感染的儿童中发现了潜在的敏感性机制.
- 需要进一步研究多糖反应的特定年龄的正常值.
- 建议研究IgG2/IgG比率对诊断疫苗接种的有用性.
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