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Krämer, U.* ; Behrendt, H.

Air pollution and atopic eczema. Systematic review of findings from environmental epidemiological studies.

Air pollution and atopic eczema: Systematic review of findings from environmental epidemiological studies.

Hautarzt 70, 169-184 (2019)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
BackgroundAmong the many risk factors for the development of atopic eczema (AE), the influence of air pollution has recently been discussed more often. A systematic review about this topic however is lacking.AimsWhich effects of outdoor air pollution (particles, nitric oxides, sulfur dioxide, ozone or general traffic exhaust emissions) on AE can be demonstrated in a systematic analysis of available environmental epidemiologic studies?MethodsAll environmental epidemiologic studies on AE and air pollution found in the literature database PubMed were identified. The most important key figures of these studies were tabulated, the quality of evidence was graded and the studies described.ResultsAtotal of 57 studies were identified. Only one of the 15 cross-sectional studies with alarge-scale exposure assessment found asignificant association between AE and air pollution. In contrast 23 of 30 studies with small-scale exposure assessment found a significant association between AE and traffic related emissionsespecially from trucks. Of the 30 studies, 14 were cohort studies (1 adult, 13 birth cohorts). The sole adult cohort found an association with intrinsic AE. In the East Asian cohorts (all published since 2015), an association between maternal exposure to traffic-related pollution and incidence of AE in the offspring was found. This was less clear in cohorts from Europe/US or simply not investigated. In 5/5 panel studies (all from South Korea), symptom severity of AE was found to be significantly and positively related to outdoor air pollution.ConclusionsIn a systematic analysis of environmental epidemiologic studies about air pollution and AE rather good evidence was found that, based on small-scale exposure measurements, especially truck traffic emissions increased AE prevalence, while large-scale exposure to larger particles (PM10) or SO2 was without effect. Considering pathophysiologic aspects traffic exhaust emissions seem to affect both skin barrier function and activation of immune responses.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Review
Korrespondenzautor
Schlagwörter Road Traffic Emissions ; Epidemiology ; Outdoor Air Pollution ; Truck Traffic ; Maternal Exposure; Aryl-hydrocarbon Receptor; Long-term Exposure; Allergic Sensitization; Perinatal Exposure; Children; Dermatitis; Asthma; Symptoms; Diseases; Health
ISSN (print) / ISBN 0017-8470
e-ISSN 1432-1173
Zeitschrift Hautarzt, Der
Quellenangaben Band: 70, Heft: 3, Seiten: 169-184 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort Tiergartenstrasse 17, D-69121 Heidelberg, Germany
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Institute for Allergy Research (IAF)