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A Treatment Package without Escape Extinction to Address Food Selectivity
Published on: August 21, 2015
食物アレルギーの疑いのある子供における偽陰性食品の課題
1Paediatric Department, University of Parma, 43100, Parma, Italy. Carlo.Caffarelli@unipr.it
Lancet (London, England)
|December 14, 2001
まとめ
口服食品チャレンジで最初に食べ物を許容した子供の少数の割合は,自宅ですぐにアレルギー反応を発症しました. これは,オープン・フード・チャレンジが食物アレルギーを確認し,偽ネガティブを減らすのに価値があると示唆しています.
科学分野:
- 小児アレルギー・免疫学
- クリニカル・ニュートリション
- 診断免疫学 診断免疫学
背景:
- 食品アレルギーの正確な診断は,効果的な管理に不可欠です.
- 口服食品チャレンジ (OFC) は標準的な診断ツールです.
- すぐに発症する反応は,IgE媒介の食物アレルギーの特徴です.
研究 の 目的:
- ネガティブなOFCの後,オープン・フード・チャレンジの有用性を評価する.
- 最初のOFCから潜在的な偽陰性結果を特定する.
- 子どもにおける食物アレルギーの診断の正確性を向上させるため.
主な方法:
- 242人の子どもに370回の口服食品チャレンジを実施しました.
- OFCで食べ物を許容した子どもたちは,翌日,自宅でオープン・フード・チャレンジを受けました.
- 皮膚刺検査と特定のIgE抗体レベルが評価されました.
- その後のダブルブラインド,プラセボ制御食品チャレンジ (DBPCFCs) は確認のために使用されました.
主要な成果:
- OFC中に食べ物を許容した193人の子供のうち5人 (3%) は,自宅でのオープンチャレンジですぐに症状を示しました.
- アレルギーが確認されたすべての子どもは,皮刺し検査で陽性でした.
- 1人を除いたすべての子どもは,原因食品に対する検出可能な特定のIgE抗体を持っていた.
結論:
- ネガティブなOFCの翌日に実施されたオープン・フード・チャレンジは,即時の反応を明らかにすることができます.
- この方法は,偽負のOFC結果を特定するのに役立ちます.
- 観察されたオープン・フィーディングは,食物アレルギーの診断の信頼性を高めます.
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