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Review
. 2015 Oct;29(5):721-729.
doi: 10.1016/j.bpg.2015.06.008. Epub 2015 Jul 17.

Environmental and infectious factors in eosinophilic esophagitis

Elizabeth T Jensen  1 , Evan S Dellon  2
Affiliations
Review

Environmental and infectious factors in eosinophilic esophagitis

Elizabeth T Jensen et al. Best Pract Res Clin Gastroenterol. 2015 Oct.

Abstract

Identifying possible environmental or infectious etiologic factors for eosinophilic esophagitis (EoE) may offer insight into opportunities for disease prevention and treatment. We reviewed the current literature to assess environmental and infectious factors evaluated in EoE. Few studies have been conducted, however a consistent inverse association between EoE and H. pylori has been described. Several studies suggest a weak association between season and EoE diagnosis, but the evidence is inconclusive. EoE has also been associated with early life factors, including Cesarean delivery and antibiotic use. Larger studies are needed to evaluate these associations more thoroughly. Several papers have speculated the potential for anti-secretory agents to contribute to EoE. This has not been formerly evaluated. In summary, there is significant opportunity in the future to advance our understanding of possible environmental etiologic factors for EoE.

Keywords: Environment; Eosinophilic esophagitis; Epidemiology; Etiology; Infection; Risk factors.

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Conflict of interest statement

Conflict of interest

No relevant conflicts

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