Allergens in hand, foot, and hand–Foot eczema: An intercomparison by patch testing

Autor: S Sahana, S G Chethana, G R Kanthraj, Jayadev Betkerur
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Indian Journal of Dermatology, Vol 66, Iss 3, Pp 329-329 (2021)
Druh dokumentu: article
ISSN: 0019-5154
1998-3611
DOI: 10.4103/ijd.IJD_549_16
Popis: Background: Hand eczema (HE), foot eczema (FE), and hand–foot eczema (HFE) manifest on exposure to various agents in day-to-day life or in occupations or both. Objectives: The objectives of this study were to identify pattern of allergens causing HE, FE, and HFE and to identify multiple and concurrent contact allergies. Materials and Methods: A study was conducted from October 2013 to August 2015 which included 190 patients. Patch test was performed for 78.94% of patients (n = 150). The statistical tests used were descriptive, Cramer's V, and Chi-square tests. Results: The most commonly affected group was HFE (55.8%) followed by HE (22.1%) and FE (22.1%). Allergens showed positivity either singly 56.3% (n = 67) or in combination 43.69% (n = 52). Nickel (41.79%) was the most common allergen in all the three groups followed by potassium dichromate. Late reactions (after day 7) were observed in 17.64% of patients (n = 21). Nickel was observed in 42.85% (n = 9) and paraphenylenediamine was observed in 28.57% of patients (n = 6) with P values of
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