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Contents »

Prenatal antibiotic exposure increases the risk of infant atopic dermatitis. Data from a Greek cohort


E. Stefanaki linastef74@gmail.com1, I. Kalaitzidou1, M. Aristou1, J. Lakoumentas2, E. Galanakis3, P. Xepapadaki2

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Doi
10.23822/EurAnnACI.1764-1489.266

Summary
Background. The human microbiome is important due to the impact it has on host immunologic development and allergy-associated diseases. Objective. This study aimed to investigate the impact of prenatal exposure to antibiotics on the incidence of atopic dermatitis (AD) in children at 18 months of age. Methods. Mothers were interviewed at baseline, in the maternity ward and by phone questionnaire after 18 months. Demographic data, mode of delivery, yoghurt consumption, antibiotic and other drug use during pregnancy, atopic history, diagnosis of AD and history of infections in the offspring were noted. Statistical analysis included Pearson's Chi-Squared test, Wilcoxon Rank-Sum test and multivariate analysis. Results. 385 mothers were interviewed at baseline. 231 (60%) mothers with 236 children responded at follow up. Caesarean section was reported in 116 (50.2%) deliveries while antibiotic use during pregnancy in 55/231 (23.8%) women. 43/236 (18.22%) infants were diagnosed with AD. Intravenous antibiotic use was associated with a 7.7 increased risk of AD diagnosis in the offspring (95%CI:1.23-48.27, p = 0.029). An increased odd for AD was recorded for mothers 30-40 years of age (OR4.50,95%CI:1.08-18.7, p = 0.039). No significant association between caesarean section and AD (p = 0.70) was recorded. In multivariate analysis, reported food allergy (OR8.03, 95%CI:2.30-27.97, p = 0.001) and otitis media episodes in children (OR3.76,95%CI1.60-8.83, p = 0.002) were significantly associated with AD diagnosis. Conclusions. Αn increased risk of AD was recorded only when antibiotics were given prenatally   by intravenous route and in women between 30-40 years of age. Children with food allergy had an increased risk for AD. The relatively high percentage of caesarean sections was not a risk factor for AD. 

Key words

Antibiotics; atopic dermatitis; caesarean section; children; prenatal.

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