2 research outputs found
Peanutâinduced anaphylaxis in children and adolescents: Data from the European Anaphylaxis Registry
Background Peanut allergy has a rising prevalence in high-income countries, affecting 0.5%-1.4% of children. This study aimed to better understand peanut anaphylaxis in comparison to anaphylaxis to other food triggers in European children and adolescents. Methods Data was sourced from the European Anaphylaxis Registry via an online questionnaire, after in-depth review of food-induced anaphylaxis cases in a tertiary paediatric allergy centre. Results 3514 cases of food anaphylaxis were reported between July 2007 - March 2018, 56% in patients younger than 18 years. Peanut anaphylaxis was recorded in 459 children and adolescents (85% of all peanut anaphylaxis cases). Previous reactions (42% vs. 38%; p = .001), asthma comorbidity (47% vs. 35%; p < .001), relevant cofactors (29% vs. 22%; p = .004) and biphasic reactions (10% vs. 4%; p = .001) were more commonly reported in peanut anaphylaxis. Most cases were labelled as severe anaphylaxis (Ring&Messmer grade III 65% vs. 56% and grade IV 1.1% vs. 0.9%; p = .001). Self-administration of intramuscular adrenaline was low (17% vs. 15%), professional adrenaline administration was higher in non-peanut food anaphylaxis (34% vs. 26%; p = .003). Hospitalization was higher for peanut anaphylaxis (67% vs. 54%; p = .004). Conclusions The European Anaphylaxis Registry data confirmed peanut as one of the major causes of severe, potentially life-threatening allergic reactions in European children, with some characteristic features e.g., presence of asthma comorbidity and increased rate of biphasic reactions. Usage of intramuscular adrenaline as first-line treatment is low and needs to be improved. The Registry, designed as the largest database on anaphylaxis, allows continuous assessment of this condition
Anaphylaxie alimentaire aux produits de la ruche : Ă propos de 32 cas dĂ©clarĂ©s au RĂ©seau dâAllergo-VigilanceÂź
Les complĂ©ments alimentaires Ă base de produits de la ruche sont plĂ©biscitĂ©s par les consommateurs.Cependant, ils ne sont pas dĂ©nuĂ©s de risque allergique pour les patients atopiques, comme le soulignelâavis rendu par lâANSES en 2018.Nous prĂ©sentons lâĂ©tude rĂ©trospective descriptive des cas dâanaphylaxie alimentaire aux pollens enpelote et autres produits apicoles dĂ©clarĂ©s au RĂ©seau dâAllergo-VigilanceÂźde 2002 Ă juin 2021.RĂ©sultats. â Au total, 32 cas dâanaphylaxie ont Ă©tĂ© dĂ©clarĂ©s, soit 1,26 % de la totalitĂ© des dĂ©clarationsdâanaphylaxie alimentaire, dont 16 cas au pollen en pelote (50 %), 14 au miel (40,6 %), 2 Ă la gelĂ©e royale(6,3 %) et 1 Ă la propolis (3,1 %). Il sâagit principalement dâadultes (81,3 %), avec la moitiĂ© de rĂ©actionsanaphylactiques de grade 2 et un tiers de grade 3. Les 2 cas dâanaphylaxie Ă la gelĂ©e royale Ă©taient degrade 3 avec de lâasthme. Une hospitalisation/surveillance a Ă©tĂ© rĂ©alisĂ©e chez 37,5 % des patients, seule-ment 21,9 % ont bĂ©nĂ©ficiĂ© dâun traitement par adrĂ©naline. Une sensibilisation pollinique Ă©tait retrouvĂ©edans 87,5 % des cas et 53,2 % avaient une rhinite saisonniĂšre. Dans lâanaphylaxie au pollen en pelote,tous les patients (100 %) Ă©taient sensibilisĂ©s Ă des pollens, dont 75 % Ă ceux des composĂ©es. Concernantlâanaphylaxie au miel, seuls 3 patients ne prĂ©sentaient pas de sensibilisation aux pollens.Conclusions. â Il sâagit de la plus grande sĂ©rie rapportĂ©e dâanaphylaxie aux produits de la ruche. Lâallergiealimentaire au pollen en pelote est liĂ©e le plus souvent Ă la prĂ©sence de pollens de composĂ©es (pollensentomophiles mais aussi anĂ©mophiles), de mĂȘme que pour lâallergie au miel, avec cependant la possibilitĂ©dâun lien avec des protĂ©ines de sĂ©crĂ©tions apiaires comme MRJP1, qui est lâallergĂšne incriminĂ© danslâanaphylaxie Ă la gelĂ©e royale