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首页> 外文期刊>Allergy >Serum basal tryptase may be a good marker for predicting the risk of anaphylaxis in children with food allergy
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Serum basal tryptase may be a good marker for predicting the risk of anaphylaxis in children with food allergy

机译:血清基础类胰蛋白酶可能是预测食物过敏儿童过敏反应风险的良好标志物

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A relationship between serum basal tryptase (sBT) levels, anaphylactic reactions, and clonal mast cell diseases was shown recently in adults with venom allergy, but the relationship between sBT levels and IgE-mediated food allergy and anaphylaxis is not known. In this study, children with food allergy (FA; n = 167) were analyzed in two groups according to the presence (FA+/A+; n = 79) or absence of anaphylaxis (FA+/A-; n = 88) and were compared with a control group (n = 113). Median sBT values in FA+/A+, FA+/A-, and control groups were 4.0 ng/ml (2.8-5.8), 3.6 (2.3-4.5), and 3.3 (2.4-4.4), respectively (P = 0.022). sBT measurements higher than the cutoff values of 5.7 and 14.5 were associated with 50% and 90% predicted probabilities, respectively, of moderate to severe anaphylaxis. Children with tree nuts/peanut allergies had significantly higher levels of sBT than children with milk and egg allergy (P = 0.022). Results suggest that sBT levels may predict moderate to severe anaphylaxis in children with food allergy, which may follow a particular pattern according to the food allergy phenotype.
机译:最近在具有毒液过敏的成年人中显示了血清基础类胰蛋白酶(sBT)水平,过敏反应和克隆性肥大细胞疾病之间的关系,但尚不知道sBT水平与IgE介导的食物过敏和过敏反应之间的关系。在这项研究中,对食物过敏的儿童(FA; n = 167)根据是否存在过敏反应(FA + / A +; n = 79)分为两组(FA + / A-; n = 88)进行了分析,并进行了比较对照组(n = 113)。 FA + / A +,FA + / A-和对照组的sBT中位数分别为4.0 ng / ml(2.8-5.8),3.6(2.3-4.5)和3.3(2.4-4.4)(P = 0.022)。高于5.7和14.5的临界值的sBT测量值分别与中度至重度过敏反应的50%和90%的预测概率相关。坚果/花生过敏儿童的牛奶中sBT水平明显高于牛奶和鸡蛋过敏的儿童(P = 0.022)。结果表明,sBT水平可能预示着食物过敏儿童的中度至重度过敏反应,根据食物过敏表型可能遵循特定模式。

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