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. 2013 Nov-Dec;88(6):1015-8.
doi: 10.1590/abd1806-4841.20132374.

Patch test standard series recommended by the Brazilian Contact Dermatitis Study Group during the 2006-2011 period

Ida Alzira Gomes Duarte  1 , Greta Merie Tanaka  2 , Nathalie Mie Suzuki  3 , Rosana Lazzarini  4 , Andressa Sato de Aquino Lopes  5 , Beatrice Mussio Fornazier Volpini  5 , Paulo Carrara de Castro  6
Affiliations

Patch test standard series recommended by the Brazilian Contact Dermatitis Study Group during the 2006-2011 period

Ida Alzira Gomes Duarte et al. An Bras Dermatol. 2013 Nov-Dec.

Abstract
in English, Portuguese

A retrospective study was carried out between 2006-2011. Six hundred and eighteen patients with suspected allergic contact dermatitis underwent the standard patch test series recommended by the Brazilian Contact Dermatitis Research Group. The aim of our study was to evaluate the variation of positive patch-test results from standard series year by year. The most frequently positive allergens were: nickel sulfate, thimerosal and potassium bichromate. Decrease of positive patch-test results over the years was statistically significant for: lanolin (p=0.01), neomycin (p=0.01) and anthraquinone (p=0.04). A follow-up study should be useful in determining which allergens could be excluded from standard series, as they may represent low sensitization risk.

Estudo retrospectivo foi realizado entre 2006 e 2011 em 618 pacientes com hipótese diagnóstica de dermatite de contato submetidos à bateria padrão de testes de contato preconizada pelo Grupo Brasileiro de Estudos em Dermatite de Contato com o objetivo de avaliar a variação, a cada ano, da frequência de positividade para as substâncias da bateria. Os principais sensibilizantes foram sulfato de níquel, timerosal e bicromato de potássio. As substâncias com diminuição da frequência de sensibilização estatisticamente significante foram lanolina (p = 0,01), neomicina (p = 0,01) e antraquinona (p = 0,04). A continuação deste trabalho poderá contribuir para verificar aqueles componentes que poderão ser eliminados da bateria, por representarem pouco risco de sensibilização.

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Conflict of interest statement

Conflict of interest: None

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