Published in:
Open Access
01-12-2008 | Research
Should Younger Siblings of Peanut-Allergic Children Be Assessed by an Allergist before Being Fed Peanut?
Authors:
Joel J. Liem, MD, FRCPC, Saiful Huq, BSc, Anita L. Kozyrskyj, PhD, Allan B. Becker, MD, FRCPC
Published in:
Allergy, Asthma & Clinical Immunology
|
Issue 4/2008
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Abstract
The objective of this study was to determine the risk of peanut allergy in siblings of peanut-allergic children. In 2005-2006, 560 households of children born in 1995 in the province of Manitoba, Canada, were surveyed. The index children (8-to 10-year-olds) were assessed by a pediatric allergist and had skin-prick testing and/or capRAST for peanut allergy. Surveys were completed by parents for siblings to determine the presence of peanut allergy. Of 560 surveys, 514 (92%) were completed. Twenty-nine (5.6%) index children were peanut allergic. Fifteen of 900 (1.7%) siblings had peanut allergy. Four of 47 (8.5%) were siblings of peanut-allergic children and 11 of 853 (1.3%) were siblings of non-peanut-allergic children. The risk of peanut allergy was markedly increased in siblings of a peanut-allergic child (odds ratio 6.72, 95% confidence interval 2.04-22.12). Siblings of peanut-allergic children are much more likely to be allergic to peanut. An allergy assessment by a qualified allergist should be routinely recommended before feeding peanut to these children.