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  • Title: Contact Dermatitis to Allergens in the Spanish Standard Series: Patch Test Findings in the South of Gran Canaria.
    Author: Roque Quintana B, Falcón Hernández A, Sagrera Guedes A, Borrego L.
    Journal: Actas Dermosifiliogr; 2022 Jun; 113(6):555-562. PubMed ID: 35292236.
    Abstract:
    BACKGROUND AND OBJECTIVES: Contact dermatitis is a common reason for consultation in dermatology. Sensitization levels and frequency, however, vary from one population to the next. The aim of this study was to review patch test results showing sensitization to allergens in the Spanish standard series in the Canary Islands, where a large proportion of the population works in tourism. MATERIAL AND METHODS: Retrospective, descriptive study of data from the dermatology department's contact dermatitis unit at Complejo Hospitalario Universitario Insular in Las Palmas de Gran Canaria, Spain. We studied results recorded for patients patch tested with the Spanish standard series between January 2005 and June 2018. RESULTS: Data for 1568 patients were studied; 71.6% were women, and overall rates of atopy (14.2%) and occupational dermatitis (15.8%) were low. Most patients with a positive test (65.2%) were older than 40years. The main allergens eliciting positive reactions were nickel (36.5%), methylchloroisothiazolinone/methylisothiazolinone (11.9%), methylisothiazolinone (11.8%), paraphenylenediamine (7.5%), and potassium dichromate (6.3%). CONCLUSIONS: Contact sensitization rates were higher than those reported elsewhere in Spain for most of the allergens studied. The differences were particularly notable for nickel, methylchloroisothiazolinone/methylisothiazolinone, and paraphenylenediamine.
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