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Assessment of atopic dermatitis as a risk factor for chronic spontaneous urticaria in a pediatric population

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Background:

Atopic dermatitis (AD) and chronic spontaneous urticaria (CSU) represent two of the most common chronic inflammatory pruritic skin diseases. Any relationship between atopic skin disorders and CSU is controversial, mostly due to the paucity of relevant epidemiologic and pathogenetic data.

Objective:

To evaluate whether a history of AD in early childhood represents a risk factor for the subsequent occurrence of CSU in a pediatric population.

Methods:

Retrospective data of new cases of patients who visited the outpatient allergy unit of a tertiary pediatric hospital in Athens, Greece, between June 2014 and August 2016, were analyzed. Diagnoses of CSU and AD were based on diagnostic criteria proposed by the European Academy of Allergy and Clinical Immunology and the Hanifin and Rajka criteria, respectively. The data analyzed included CSU and AD diagnoses and the association with gender and season of birth as well as a personal and family history of allergy-related diseases (e.g., asthma, allergic rhinitis, AD, and food and drug allergies).

Results:

Records from 2261 children were included in the analysis (1365 boys; mean ± standard deviation [SD] age, 8.7 ± 5.8 years). Fifty-one children (31 boys; mean ± SD age, 9.1 ± 4.6 years) were diagnosed with CSU, whereas AD was reported in 761 children (466 boys; mean ± SD age, 5.2 ± 3.8 years). Multivariate data analysis showed that the children with a history of an early diagnosis of AD were at increased risk for later CSU occurrence (odds ratio 2.923 [95% confidence interval, 1.647‐5.189], p < 0.001). No significant associations were observed with respect to other demographic and atopy-associated characteristics of the patients.

Conclusion:

Results of our study indicated that AD may constitute an important risk factor to the subsequent occurrence of CSU. This notion warrants further study with well-designed prospective cohorts.
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Keywords: Atopic dermatitis; chronic spontaneous urticaria; pediatric; risk factor

Document Type: Research Article

Affiliations: From the Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece

Publication date: November 1, 2018

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma and by having the potential to directly impact the quality of patient care. AAP welcomes the submission of original works including peer-reviewed original research and clinical trial results. Additionally, as the official journal of the Eastern Allergy Conference (EAC), AAP will publish content from EAC poster sessions as well as review articles derived from EAC lectures.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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