Prevalence of parent-reported immediate hypersensitivity food allergy in Chilean school-aged children

Hoyos-Bachiloglu, R; Ivanovic-Zuvic, D; Alvarez J.; Linn K.; Thone, N; Paul MD; Borzutzky, A

Keywords: chile, children, prevalence, anaphylaxis, food allergy, Epinephrine autoinjector, Parent-reported, Immediate hypersensitivity, Peanut allergy, Walnut allergy

Abstract

Background: Food allergies (FAs) affect 2-4% of school-aged children in developed countries and strongly impact their quality of life. The prevalence of FA in Chile remains unknown. Methods: Cross-sectional survey study of 488 parents of school-aged children from Santiago who were asked to complete a FA screening questionnaire. Parents who reported symptoms suggestive of FA were contacted to answer a second in-depth questionnaire to determine immediate hypersensitivity FA prevalence and clinical characteristics of school-aged Chilean children. Results: A total of 455 parents answered the screening questionnaire: 13% reported recurrent symptoms to a particular food and 6% reported FA. Forty-three screening questionnaires (9%) were found to be suggestive of FA. Parents of 40 children answered the second questionnaire; 25 were considered by authors to have FA. FA rate was 5.5% (95% CI: 3.6-7.9). Foods reported to frequently cause FA included walnut, peanut, egg, chocolate, avocado, and banana. Children with FA had more asthma (20% vs. 7%, P<0.02) and atopic dermatitis (32% vs. 13%, P<0.01) by report. The parents of children with FA did not report anaphylaxis, but 48% had history compatible with anaphylaxis. Of 13 children who sought medical attention, 70% were diagnosed with FA; none were advised to acquire an epinephrine autoinjector. Conclusion: Up to 5.5% of school-aged Chilean children may suffer from FA, most frequently to walnut and peanut. It is critical to raise awareness in Chile regarding FA and recognition of anaphylaxis, and promote epinephrine autoinjectors in affected children. (C) 2013 SEICAP. Published by Elsevier Espana, S.L.U. All rights reserved.

Más información

Título según WOS: Prevalence of parent-reported immediate hypersensitivity food allergy in Chilean school-aged children
Título según SCOPUS: Prevalence of parent-reported immediate hypersensitivity food allergy in Chilean school-aged children
Título de la Revista: ALLERGOLOGIA ET IMMUNOPATHOLOGIA
Volumen: 42
Número: 6
Editorial: ELSEVIER DOYMA SL
Fecha de publicación: 2014
Página de inicio: 527
Página final: 532
Idioma: English
DOI:

10.1016/j.aller.2013.09.006

Notas: ISI, SCOPUS