在学龄前儿童的过敏敏感,呼吸道感染和随后的肺功能
Rheanna M Mainzer1,2, Cassidy Du Berry1,2,3,4, Lawrence E K Gray5,6
1Murdoch Children's Research Institute, Parkville, Victoria, Australia.
Pediatric pulmonology
|November 19, 2025
概括
婴儿期对空气中过敏原的过敏敏感化可能会在4岁时对肺功能产生负面影响. 这种效应在患有复发性呼吸道感染的儿童中增强.
科学领域:
- 儿科过敏和免疫学
- 呼吸系统医学 呼吸系统医学
- 环境健康 环境健康
背景情况:
- 在婴儿中,早期呼吸道感染 (RTIs) 和过敏敏感性是常见的.
- 这些早期暴露对肺部发育的长期影响尚未完全理解.
- 在儿童早期评估肺功能对于识别潜在的长期呼吸系统健康问题至关重要.
研究的目的:
- 为了调查是否过敏敏感化和生命的第一年反复的RTIs在4岁时对肺功能产生不利影响.
- 为了确定是否有过敏敏感化和反复的RTIs对肺功能的综合作用.
- 为了确定与这些早期暴露相关的肺功能障碍的特定模式.
主要方法:
- 利用了来自巴沃恩婴儿研究的数据,这是一组1074名婴儿的出生队列.
- 通过皮肤刺伤测试评估过敏敏感性,通过家长报告评估经常性RTIs.
- 在4岁时使用多次呼吸洗 (N2MBW) 测量肺功能,重点关注肺清除指数 (LCI2.5).
主要成果:
- 1岁时的空气过敏原敏感性与4岁时的肺功能恶化 (较高的LCI2.5) 有关.
- 这种关联在婴儿中更明显,这些婴儿也患有复发性RTIs.
- 仅食物敏感化或反复的RTIs与肺功能结果之间没有发现显著的关联.
结论:
- 婴儿时期的空气过敏原敏感性与4岁时的肺功能受损有关.
- 对肺功能的不良影响会因复发性呼吸道感染而加剧.
- 这些发现突显了早期的过敏原暴露和感染在塑造呼吸系统健康轨迹中的重要性.
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