[Maternal antibiotic use and Gram negative bacteria infection in neonates]

V Hentgen1, R Cohen

  • 1Service de Pédiatrie, Centre hospitalier de Versailles, 177, rue de Versailles, 78150 Le Chesnay, France. vhentgen@ch-versailles.fr

Insights

Maternal antibiotic use prevents early neonatal infections but may increase resistant Gram-negative bacteria. Reassessing antenatal prophylaxis strategies is crucial to balance benefits and long-term ecological impacts on newborns.

Area of Science:

  • Neonatal infections
  • Microbial resistance
  • Antibiotic stewardship

Context:

  • Maternal antibiotic use offers benefits for early neonatal group B streptococcal infections.
  • Rising resistance in Gram-negative bacteria necessitates re-evaluation of current prevention strategies.
  • The impact of antenatal antibiotic prophylaxis on the newborn microbiome requires careful consideration.

Purpose:

  • To review the current state of antenatal antibiotic prophylaxis.
  • To evaluate the bacteriological consequences of these strategies on newborns.
  • To inform evidence-based recommendations for future prevention protocols.

Summary:

  • Selective intrapartum chemoprophylaxis for early-onset group B streptococcal disease is supported despite a potential rise in resistant Gram-negative infections.
  • Other antenatal antibiotic indications are more controversial, with antibiotic choices often lacking strong methodological backing.
  • Long-term ecological effects and the use of narrow-spectrum antibiotics should guide strategies for non-GBS indications.

Impact:

  • Ensures continued protection against early-onset group B streptococcal infections.
  • Highlights the need for cautious antibiotic selection to mitigate the development of resistant Gram-negative bacteria in neonates.
  • Promotes a shift towards more targeted and ecologically sound antibiotic use in pregnancy.

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