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  • Title: Perinatal Environmental Risks for Eosinophilic Esophagitis: A Systemic Review and Meta-Analysis.
    Author: Wongjarupong N, Delbrune M, Songtanin B, Reardon EE, Moutsoglou DM, Christian VJ, Sloan JA.
    Journal: Cureus; 2024 Aug; 16(8):e66326. PubMed ID: 39246975.
    Abstract:
    There are limited data on the association of eosinophilic esophagitis (EoE) and environmental risk factors. The aim of this study was to determine the potential associations between perinatal risk factors and EoE. A search was conducted for relevant studies published up to December 12th, 2023, using MEDLINE, EMBASE, Scopus, Web of Sciences, and Cochrane databases. Risk ratios with the 95% confidence interval (CI) were estimated using a random-effects model. Case-control or cohort studies that determined perinatal environmental factors within the first year of life and their association with EoE were included. Six case-control studies were included in the analysis. Six studies (2,087 EoE and 6,786 controls) were included for risk of infant antibiotic use with a pooled risk ratio of 1.30 (95%CI: 1.11-1.52, I2 = 76%), and five studies were included for cesarean section with a pooled risk ratio of 1.22 (95%CI: 1.10-1.34, I2 = 5%). There were three studies for breastfeeding with a pooled risk ratio of 1.07 (95%CI: 1.00-1.15, I2 = 0%); five studies were included for preterm birth with a pooled risk ratio of 1.52 (95%CI: 1.14-2.04, I2 = 48%). There were three studies for neonatal intensive care unit admission with a pooled risk ratio of 1.75 (95% CI: 1.41-2.18, I2 = 0%). Publication bias was found between EoE and infant antibiotic use and cesarean section, but not for EoE and preterm birth, neonatal care unit admission, or breastfeeding. This meta-analysis suggests a weak association between antibiotic use during the first year of life, cesarean section, preterm birth, and neonatal intensive care unit admission and a possible risk of EoE. Further studies are warranted to confirm these findings as they may be indirect associations rather than causal.
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