Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology · 2016
Pediatric patch testing: A 10-year retrospective study.
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Ascha Mona, Irfan Mahwish, Bena James, Taylor James S, Sood Apra
Аннотация
BACKGROUND: Patch testing is the gold standard for diagnosing allergic contact dermatitis in children.
OBJECTIVE: To present a 10-year retrospective review of pediatric patch testing at our institution.
METHODS: Data from patients 18 years or younger who presented for patch testing from February 1, 2005, to May 31, 2015, were entered into a database. Patch testing was performed according to North American Contact Dermatitis Group standards. A positive reaction was defined as any allergen for which the patient had a 1+ or greater reaction and provided avoidance information.
RESULTS: A total of 157 patients with a mean (SD) age of 12.3 (4.1) years were evaluated. The 2 most frequent allergens were nickel and cobalt. Most patients were referred by dermatologists for suspected allergic contact dermatitis (72.3%). Dermatitis was present for more than 2 years in most cases (n = 67 [46.2%]), from 6 months to 2 years (n = 49 [33.8%]), and for less than 6 months (n = 29 [20.0%]). Males were more likely to have a positive reaction to fragrance mix 1 compared with females (P = .02). No significant association was found between age and allergen sensitivity. Those with a history of atopy were more likely to have a positive reaction to cobalt (P = .008) and chromium (P = .03). Sixty patients (38.2%) returned for follow-up, and 37 (60.7%) reported improvement; most (n = 54 [88.5%]) were being treated with topical corticosteroids.
CONCLUSION: Our study of pediatric patch testing can provide information regarding common allergens in children, which can enhance patient care. Primary care practitioners may benefit from awareness of patch testing as an alternative to prescribing systemic immunosuppressants.
OBJECTIVE: To present a 10-year retrospective review of pediatric patch testing at our institution.
METHODS: Data from patients 18 years or younger who presented for patch testing from February 1, 2005, to May 31, 2015, were entered into a database. Patch testing was performed according to North American Contact Dermatitis Group standards. A positive reaction was defined as any allergen for which the patient had a 1+ or greater reaction and provided avoidance information.
RESULTS: A total of 157 patients with a mean (SD) age of 12.3 (4.1) years were evaluated. The 2 most frequent allergens were nickel and cobalt. Most patients were referred by dermatologists for suspected allergic contact dermatitis (72.3%). Dermatitis was present for more than 2 years in most cases (n = 67 [46.2%]), from 6 months to 2 years (n = 49 [33.8%]), and for less than 6 months (n = 29 [20.0%]). Males were more likely to have a positive reaction to fragrance mix 1 compared with females (P = .02). No significant association was found between age and allergen sensitivity. Those with a history of atopy were more likely to have a positive reaction to cobalt (P = .008) and chromium (P = .03). Sixty patients (38.2%) returned for follow-up, and 37 (60.7%) reported improvement; most (n = 54 [88.5%]) were being treated with topical corticosteroids.
CONCLUSION: Our study of pediatric patch testing can provide information regarding common allergens in children, which can enhance patient care. Primary care practitioners may benefit from awareness of patch testing as an alternative to prescribing systemic immunosuppressants.