Association of Adult Atopic Dermatitis Severity With Bacterial, Viral, and Fungal Skin Infections

Document Type

Journal Article

Publication Date

1-1-2023

Journal

Dermatitis : contact, atopic, occupational, drug

Volume

34

Issue

2

DOI

10.1089/derm.2022.29006.jrd

Abstract

Little is known about the relationship of atopic dermatitis (AD) severity, phenotype, and persistence on different types of skin infections. To evaluate the relationship of AD characteristics and skin infections over time in adults. We performed a prospective dermatology practice-based study (n = 559). History of infection was assessed using questionnaires. AD severity was evaluated using Scoring Atopic Dermatitis (SCORAD), Eczema Area and Severity Index (EASI), Investigator's Global Assessment (IGA), and Patient-reported Global Assessment (PtGA). At baseline, 160 (21.4%) patients reported history of ≥1 skin infection, including 14.3% with bacterial infections. In multivariable repeated measures logistic regression models, ≥1 cutaneous infection was associated with moderate (adjusted odds ratio [95% confidence interval]: 2.67 [1.67-4.28]) and severe (6.35 [3.36-12.01]) versus mild SCORAD; as well as severe SCORAD-itch; moderate and severe versus clear-mild EASI; moderate and severe versus clear-mild PtGA; mild, moderate, and severe versus clear-almost clear IGA. Cutaneous infections were not associated with ichthyosis, palmar hyperlinearity, nummular eczema, cheilitis, or hand eczema. Specific infections varied by AD severity and body site. Persistent moderate-severe disease was associated with higher odds of skin infection. Skin infections were associated with AD severity but not phenotype, and may be mitigated by improved AD severity.

Department

Dermatology

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