Document Detail

Anaphylaxis and reactions to foods in children--a population-based case study of emergency department visits.
MedLine Citation:
PMID:  22417215     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Information about acute reactions to foods among children is limited.
OBJECTIVE: To describe the overall incidence of anaphylaxis in a paediatric emergency department (ED) setting and to describe reactions to foods in relation to sex and age, clinical characteristics and management.
METHODS: In a review of medical records, children with ED visits at any of three paediatric hospitals in Stockholm County during 2007 were targeted. Inclusion criteria were any adverse reaction to foods or anaphylaxis.
RESULTS: 383 children fulfilled the inclusion criteria of which 371 had had reactions to foods. The incidence of anaphylaxis was 32 per 100 000 person years irrespective of cause and food was involved in 92%. Tree nuts, particular cashew, and peanut were the most common eliciting foods, and in children under 3 years, reactions to these two food allergens were as common as reactions to milk and egg. Pollen-allergic children seemed to be admitted due to food-induced anaphylaxis more often during the deciduous tree pollen season compared with the rest of the year (P = 0.015). Symptoms from the lower airways occurred in 49% of children with anaphylaxis but without underlying asthma compared with 72% of children with anaphylaxis and asthma, P < 0.01.
CONCLUSIONS AND CLINICAL RELEVANCE: Reactions to peanut and tree nuts are as common as reactions to milk and egg in early life. Concomitant exposure to airborne allergens seems to increase the risk of anaphylaxis to foods. Among children with anaphylaxis, wheeze is prevalent even in children without asthma diagnosis.
M Vetander; D Helander; C Flodström; E Ostblom; T Alfvén; D H Ly; G Hedlin; G Lilja; C Nilsson; M Wickman
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology     Volume:  42     ISSN:  1365-2222     ISO Abbreviation:  Clin. Exp. Allergy     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-03-15     Completed Date:  2012-06-28     Revised Date:  2013-01-15    
Medline Journal Info:
Nlm Unique ID:  8906443     Medline TA:  Clin Exp Allergy     Country:  England    
Other Details:
Languages:  eng     Pagination:  568-77     Citation Subset:  IM    
Copyright Information:
© 2011 Blackwell Publishing Ltd.
Department of Paediatrics, Sachs' Children's Hospital, Södersjukhuset, Sjukhusbacken 10, Stockholm, Sweden.
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MeSH Terms
Age Distribution
Anaphylaxis / epidemiology*,  etiology*
Case-Control Studies
Child, Preschool
Emergency Medical Services / statistics & numerical data
Food Hypersensitivity / complications*,  immunology
Infant, Newborn
Comment In:
Clin Exp Allergy. 2012 Dec;42(12):1813-4   [PMID:  23181797 ]

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