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World Allergy Organ J


Title:A systematic review and meta-analysis of risk factors associated with atopic dermatitis in Asia
Author(s):Ng YT; Chew FT;
Address:"Department of Biological Sciences, National University of Singapore, Singapore"
Journal Title:World Allergy Organ J
Year:2020
Volume:20201102
Issue:11
Page Number:100477 -
DOI: 10.1016/j.waojou.2020.100477
ISSN/ISBN:1939-4551 (Print) 1939-4551 (Electronic) 1939-4551 (Linking)
Abstract:"BACKGROUND: Atopic dermatitis (AD) is a chronic, inflammatory skin disorder characterised by intense itch and eczematous lesions. Rising prevalence of AD has been observed worldwide including in Asia. Understanding the risk factors associated with AD may explain its pathogenicity and identify new preventive strategies and treatments. However, AD-associated risk factors and comorbidities specific to Asia have not been systematically reviewed. METHODS: We performed a systematic review in accordance with the Preferred Reporting Item for Systematic Review and Meta-Analyses (PRISMA) guidelines and summarised epidemiological studies investigating personal, family, and environmental factors and comorbidities associated with AD in Asia. Significant factors were assessed if they can be altered through lifestyle practices and further classified into non-modifiable and modifiable factors. Meta-analysis using the random-effect model was also conducted to provide an overall estimate for several significant factors. RESULTS: We identified a total of 162 epidemiological studies conducted in Asia. Among non-modifiable factors, a family history of atopic diseases was the most reported, suggesting the involvement of genetics in AD pathogenesis. Among modifiable factors, the results of meta-analyses revealed maternal smoking as the strongest risk factor with a pooled odds ratio (OR) of 2.95 (95% CI, 2.43-3.60), followed by active smoking (pooled OR, 1.91, 95% CI, 1.41-2.59). CONCLUSION: While a family history may aid clinicians in identifying high-risk individuals, literature has long suggested the importance of gene-environment interaction. This review identified several modifiable factors including medical treatments, indoor and outdoor environmental exposure, and personal and family lifestyle specific to Asia. Based on the meta-analyses performed, prevention strategies against AD may start from changing personal and family lifestyle choices, especially smoking habits"
Keywords:"AD, atopic dermatitis Asia Atopic dermatitis CI, Confidence interval Eczema FLG, Filaggrin HR, Hazard ratio I2, Inconsistency index ISAAC, International Study of Asthma and Allergies in Childhood NO2, nitrogen dioxide OR, Odds ratio PR, Prevalence ratio P;"
Notes:"PubMed-not-MEDLINENg, Yu Ting Chew, Fook Tim eng Review 2020/11/19 World Allergy Organ J. 2020 Nov 2; 13(11):100477. doi: 10.1016/j.waojou.2020.100477. eCollection 2020 Nov"

 
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