Alergia alimentar e a ácaros em crianças com dermatite atópica
Food and dust mite allergy in children with atopic dermatitis
Simone Nabuco Senna; Livia Isabela Oliveira; Luiza Delfim; Marlecy Will; Wilson Rocha Filho
Resumo
Objetivo: Avaliar a incidência de alergia alimentar e a ácaros em crianças com dermatite atópica acompanhadas no ambulatório de alergia alimentar, em um hospital público de Belo Horizonte. Métodos: Foram selecionadas, prospectivamente, crianças com dermatite atópica acompanhadas no nosso serviço e que preenchiam os critérios diagnósticos de Hanifin e Lobtiz, independente da sua gravidade. Pacientes foram submetidos a teste alérgico por punctura para alimentos, D. farinae, D. pteronyssinus e B. tropicalis. Crianças com teste alérgico positivo para um ou mais alimentos foram submetidas a teste de provocação duplo-cego placebo controlado para o alimento suspeito, seguindo critérios previamente estabelecidos pela American Academy of Allergy, Asthma and Immunology (AAAAI). Resultados: Um total de 56 crianças foram avaliadas com idade média de 5 anos; 27 (48,2%) do sexo masculino, e 29 (51,8%) do sexo feminino. Teste alérgico para alimentos foi positivo em 33 pacientes (58,9%), e, destes, 8 (24,2%) tiveram o teste de provocação duplo-cego placebo controlado positivo para o alimento suspeito. A incidência de alergia alimentar na população estudada foi de 14,3%. Teste alérgico positivo para ácaros ocorreu em 30 pacientes, que corresponde a 53,6% da população estudada. Conclusão: Segundo o nosso estudo, a incidência de alergia alimentar nas crianças com dermatite atópica foi de 14,3%. Leite e ovo foram os únicos alimentos relacionados com dermatite atópica neste estudo. Teste alérgico para inalantes foi positivo para Dermatofagoide em 53,6% destes pacientes.
Palavras-chave
Abstract
Objective: To evaluate the incidence of food and dust mite allergy in children with atopic dermatitis treated at a food allergy outpatient clinic at a public hospital in Belo Horizonte. Methods: We prospectively selected children with atopic dermatitis who were monitored at our service and who fulfilled the diagnostic criteria of Hanifin and Lobtiz regardless of severity. Patients underwent a skin prick test for foods, D. farinae, D. pteronyssinus, and B. tropicalis. Children who tested positive for one or more foods underwent a double-blind placebo-controlled challenge test for the suspected food, following criteria previously established by the American Academy of Allergy, Asthma and Immunology (AAAAI). Results: A total of 56 children were evaluated. Their mean age was 5 years; 27 (48.2%) were male and 29 (51.8%) were female. Food allergy test was positive in 33 patients (58.9%) and of those, 8 (24.2%) tested positive in the challenge test for the suspected food. The incidence of food allergy in the study sample was 14.3%. Thirty patients tested positive for dust mite allergy, accounting for 53.6% of the sample. Conclusion: In our study, the incidence of food allergy in children with atopic dermatitis was 14.3%. Milk and egg were the only foods related to atopic dermatitis in this study. Inhalant allergy test was positive for D. pteronyssinus in 53.6% of patients.
Keywords
References
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Submitted date:
12/12/2018
Accepted date:
12/18/2018
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