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结果预测儿童口服食物挑战的结果
Vojko Berce1, Anja Pintarič Lonzarić1, Elena Pelivanova2
1Department of Pediatrics, University Medical Centre Maribor, Ljubljanska Ulica 5, 2000 Maribor, Slovenia.
Children (Basel, Switzerland)
|January 28, 2026
概括
口服食物挑战 (OFC) 对于诊断儿童食物过敏至关重要. 阳性OFC结果的预测因素包括阿托皮性并发症和过高的过敏测试水平,但不是反应严重程度.
科学领域:
- 儿科过敏和免疫学
- 临床免疫学临床免疫学
- 诊断医学 诊断医学
背景情况:
- 食物过敏是儿童严重反应的重要原因,经常需要限制性饮食.
- 口服食品挑战 (OFC) 是诊断的黄金标准,但资源密集,并带有风险.
- 确定OFC结果和反应严重性的预测因素对于优化诊断和管理至关重要.
研究的目的:
- 确定疑似直接类型食物过敏的儿童OFC结果的流行病学,临床和实验室预测因素.
- 确定与OFC期间反应严重程度相关的因素.
- 建立对预测OFC阳性结果的过敏测试的门值.
主要方法:
- 对148名儿童进行了回顾性审查,这些儿童因疑似即时类型的食物反应而接受了医院开放的OFCs.
- 分析人口统计数据,并发病,初始反应特征和敏感化概况 (特定IgE[sIgE],皮肤刺伤测试[SPT]).
- 分析了OFC结果和反应严重程度 (Ring和Messmer尺度).
主要成果:
- 在29.7%的儿童中,OFC呈阳性.
- 无源性并发症 (喘,无源性皮肤炎,过敏性鼻炎),升高的sIgE和更大的SPT小麦直径与阳性OFC显著相关 (p <0.01).
- 没有临床或实验室参数预测OFC期间的反应严重程度. 阳性OFC的最佳值为sIgE的0.73 IU/mL,SPT的3.5 mm.
结论:
- 在儿童中确认食物过敏时,OFC仍然至关重要.
- 预测OFC反应严重程度是不可靠的;因此,OFC必须在受控的医疗环境中进行.
- 过敏测试的低切线值预测了OFC的阳性结果,强调了在患有亚托皮性并发症的儿童中需要谨慎解释的必要性.
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