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Impact of Early Exposure to Cefuroxime on the Composition of the Gut Microbiota in Infants Following Cesarean Delivery

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

DOI

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  • Shamrulazhar S Kamal
  • Nana Hyldig
  • Łukasz Krych
  • Gorm Greisen
  • Karen A Krogfelt
  • Gitte Zachariassen
  • Dennis S Nielsen
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OBJECTIVES: To assess in mothers giving birth by cesarean delivery if prophylactic antibiotics administered either before skin incision or immediately after cutting the umbilical cord influences gut microbiota colonization and antibiotic susceptibility of the gut bacteria in the newborn.

STUDY DESIGN: Forty-two pregnant women scheduled for elective cesarean delivery were recruited at Odense University Hospital, Denmark, and randomly assigned to receive cefuroxime either before skin incision or immediately after the umbilical cord was cut. Fecal samples were collected from all infants at age 10 days and 9 months. Composition of the gut microbiota was determined by 16S ribosomal RNA gene amplicon high-throughput sequencing. Gram-positive cocci and Enterobacteriaceae were isolated and identified before antimicrobial susceptibility tests were performed by disk diffusion.

RESULTS: No clear difference in the composition of the gut microbiota was observed between infants whose mothers received cefuroxime before or after cesarean delivery at neither time point, though surprisingly at 9 months of age, but not at 10 days of age, the number of observed species was higher in infants where mothers received cefuroxime after cord clamping. No differences in antimicrobial susceptibility of Enterobacteriaceae, Enterococcus spp, and Staphylococcus spp were seen at 10 days.

CONCLUSIONS: Timing of cefuroxime administration to mothers undergoing cesarean delivery does not have a major effect on the gut microbiota and bacterial antibiotic resistance traits in infants.

TRIAL REGISTRATION: Clinicaltrials.gov: NCT02072798.

OriginalsprogEngelsk
TidsskriftThe Journal of pediatrics
Vol/bind210
Sider (fra-til)99-105.e2
ISSN0022-3476
DOI
StatusUdgivet - 2019

Bibliografisk note

Copyright © 2019 Elsevier Inc. All rights reserved.

ID: 58061446