Egg white specific IgE levels in serum as clinical reactivity predictors in the course of egg allergy follow-up

Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology
Elena MontesinosJuan Carlos Cerdá

Abstract

It is thought that the natural evolution of egg allergy has a good tolerance prognosis. However, there are few follow-up studies that determine the exact probability of tolerance. The aim of this study was to determine the likelihood that children younger than 2,5 years of age with allergy to egg would eventually have tolerance to it and to analyze if monitoring egg white-specific IgE level over time could be used as a predictor for determining when patients develop clinical tolerance. We performed a retrospective study of our last 42 patients diagnosed with egg allergy. Annual follow-up comprised prick testing, specific IgE (sIgE) and provocation testing with egg white (EW), allowing the prediction of tolerance at that timepoint with a probability of >or=95%. Median survival time was 48 months. The mean initial and final levels of EW sIgE were lower in the patients that reached tolerance (p<0.05). EW sIgE levels of 1.52, 1.35, and 2.59 KUA/l, respectively predicted clinical reactivity (PPV > 95%) at the different follow-up timepoints analyzed (25-36, 37-48 and 49-60 months. Quantification of egg white specific IgE levels is a useful test for diagnosing symptomatic allergy to egg white in the pediatric population and could elim...Continue Reading

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Citations

Oct 18, 2013·International Journal of Environmental Research and Public Health·Rachel L PetersKatrina J Allen
Oct 26, 2016·The World Allergy Organization Journal·Yu OkadaMotohiro Ebisawa
May 3, 2013·Allergy, Asthma & Immunology Research·Kyung Won Kim, Kyu-Earn Kim
Dec 1, 2012·Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology·Alexandra F Santos, Gideon Lack
Apr 23, 2015·Current Opinion in Allergy and Clinical Immunology·Sakura SatoMotohiro Ebisawa
Jan 26, 2013·Molecular Nutrition & Food Research·Franziska Roth-WalterTamar Kinaciyan
Nov 8, 2014·Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology·Thanh D DangKatrina J Allen
Jul 9, 2013·Allergologia et immunopathologia·A MartorellUNKNOWN Food Allergy Committee of SEICAP
Jul 1, 2017·Allergologia et immunopathologia·A MartorellUNKNOWN Expert panel selected from members of the Spanish Societies of Pediatric Allergology, Asthma and Clinical Immunology (SEICAP
Apr 26, 2011·Current Opinion in Allergy and Clinical Immunology

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