Prevalence and Trend of Allergen Sensitization in Adults and Children with Atopic Dermatitis Referred for Patch Testing, North American Contact Dermatitis Group Data, 2001-2016

Jonathan I. Silverberg, Alexander Hou, Erin M. Warshaw, Joel G. DeKoven, Howard I. Maibach, Donald V. Belsito, James S. Taylor, Kathryn A. Zug, Denis Sasseville, Anthony F. Fransway, Vincent A. DeLeo, Melanie D. Pratt, Margo J. Reeder, Joseph F. Fowler, Matthew J. Zirwas, James G. Marks, Amber R. Atwater

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Background: The association between atopic dermatitis (AD) and allergic contact dermatitis (ACD) is controversial. Objective: To analyze the prevalence, reaction strength, and trends of the most commonly positive and relevant allergens in patients with AD referred for patch testing. Methods: This was a retrospective analysis of 38,482 patients from the North American Contact Dermatitis Group, 2001 to 2016. Results: Most adults (56.0%) and children (52.8%) with a history of AD had a final diagnosis of ACD. Adults (66.5% vs 65.6%; χ2, P = .1459) and children (61.4% vs 62.3%, P = .7074) with or without a history of AD had similar proportions of one or more allergic patch test reactions. Adults with a history of AD had a greater number of allergic patch test positive reactions than those without it (2.0 ± 2.4 vs 1.9 ± 2.3; t test, P < .0001), whereas children did not (1.5 ± 1.8 vs 1.4 ± 1.6; P = .3839). Nickel sulfate, methylisothiazolinone, formaldehyde, fragrance mix I, sodium gold thiosulfate, and thimerosal were the most common allergens in adults and children with a history of AD. In multivariable logistic regression models, adults with versus without a history of AD had increased odds of reacting to 10 of the top 25 North American Contact Dermatitis Group screening allergens. Most allergens had similar strengths of reaction in adults or children with and without a history of AD or a current AD diagnosis; cobalt, fragrance mix I, and propylene glycol had weaker reactions. In multivariable logistic regression, adults with versus without an AD history had increased odds of relevance for 10 of the 25 most currently relevant allergens, whereas children with an AD history did not have increased relevance for any specific allergens. Conclusions: Most patients referred for patch testing with AD history had a final diagnosis of ACD. Patients with AD history had a similar likelihood of having a positive patch test reaction as those without an AD history. Adults with an AD history had a higher number of positive patch test reactions.

Original languageEnglish (US)
Pages (from-to)2853-2866.e14
JournalJournal of Allergy and Clinical Immunology: In Practice
Volume9
Issue number7
DOIs
StatePublished - Jul 2021

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy

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