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. 2023 Jul;11(7):2069-2079.e7.
doi: 10.1016/j.jaip.2023.03.026. Epub 2023 Mar 27.

Food-Induced Anaphylaxis: Data From the European Anaphylaxis Registry

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Free article

Food-Induced Anaphylaxis: Data From the European Anaphylaxis Registry

Sabine Dölle-Bierke et al. J Allergy Clin Immunol Pract. 2023 Jul.
Free article

Abstract

Background: Food is one of the most common elicitors of anaphylaxis, with an increasing incidence over recent years.

Objectives: To characterize elicitor-specific phenotypes and identify factors enhancing the risk or severity of food-induced anaphylaxis (FIA).

Methods: We analyzed data from the European Anaphylaxis Registry applying an age- and sex-matched analysis of associations (Cramer's V) for single food triggers and calculated odds ratios (ORs) for severe FIA.

Results: We identified 3,427 cases of confirmed FIA showing an age-dependent elicitor ranking (for children: peanut, cow's milk, cashew, and hen's egg; and for adults: wheat flour, shellfish, hazelnut, and soy). The age- and sex-matched analysis revealed defined symptom patterns for wheat and cashew. Wheat-induced anaphylaxis was more frequently associated with cardiovascular symptoms (75.7%; Cramer's V = 0.28) and cashew-induced anaphylaxis with gastrointestinal symptoms (73.9%; Cramer's V = 0.20). Furthermore, concomitant atopic dermatitis was slightly associated with anaphylaxis to hen's egg (Cramer's V = 0.19) and exercise was strongly associated with anaphylaxis to wheat (Cramer's V = 0.56). Additional factors influencing the severity were alcohol intake in wheat anaphylaxis (OR = 3.23; CI, 1.31-8.83) and exercise in peanut anaphylaxis (OR = 1.78; CI, 1.09-2.95).

Conclusions: Our data show that FIA is age-dependent. In adults, the range of elicitors inducing FIA is broader. For some elicitors, the severity of FIA seems to be related to the elicitor. These data require confirmation in future studies considering a clear differentiation between augmentation and risk factors in FIA.

Keywords: Cashew; Food anaphylaxis; Hazelnut; Peanut; Phenotype; Risk factors; Shellfish; Wheat.

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