431 Patch test positive rate of Japanese baseline series with atopic dermatitis patients

Background; There is still controversy as to whether atopic dermatitis (AD) susceptible allergic contact (ACD). no report from Japan on allergens in which patients with AD are prone ACD. Objectives; The purpose of this study was examine the relationship between Japanese and ACD by comparing positive rates various antigens without a history using our patch test data. Materials/Methods; This single-center Toho university hospital, Tokyo, Japan. From January 1, 2016, December 31, 2020, all who visited department were suspected having underwent included. cross-sectional study. We took informed consent opt-out method. differ for each patient. Twenty-four types Baseline Series applied back patients, Day 2(48 hours) patches removed. On 3(72 + or higher judged based International Contact Dermatitis Research Group ( ICDRG) criteria. For analysis, we used STATA statistical software performed multivariate analysis logistic regression analysis. Results; final subjects eight hundred fifty-nine. Two fifty-one (AD group) six an (non-AD group). In group, rate nickel sulfate statistically significantly lower than non-AD group. carba mix, Conclusions; Nickel allergy also rare AD, supporting overseas reports. Repeated exposure prolonged usage mix can result sensitization. Patients may be advised wear mix-free gloves prevent