[Prevention of early-onset group B Streptococcus infections. 1. Application of the ANAES guidelines]

C Muris1, M Lemonnier, M Herlicoviez

  • 1Service de gynécologie-obstétrique et médecine de la reproduction, CHU, boulevard Georges-Clémenceau, 14033 Caen cedex, France. murisguillou@free.fr

Insights

Adherence to guidelines for preventing early-onset infections via prenatal screening is achievable. This study shows high compliance with group B Streptococcus screening and antibiotic use in high-activity obstetrics departments.

Area of Science:

  • Obstetrics and Gynecology
  • Infectious Disease Prevention
  • Public Health

Context:

  • Prenatal screening for group B Streptococcus (GBS) is crucial for preventing early-onset neonatal infections.
  • Adherence to national guidelines for GBS prophylaxis impacts antibiotic use and patient outcomes.
  • High-volume obstetrical departments face unique challenges in guideline implementation.

Purpose:

  • To evaluate adherence to Anaes guidelines for early-onset infection prophylaxis.
  • To assess the systematic prenatal vaginal swab strategy for GBS detection and risk factor identification.
  • To analyze intrapartum antibiotic administration based on screening results.

Summary:

  • A retrospective study of 6125 deliveries found 88.3% compliance with prenatal vaginal swabs, with 79.1% performed per guidelines.
  • 90.2% of patients with positive swabs received intrapartum antibiotics, indicating effective treatment protocols.
  • A 40% increase in antibiotic consumption was observed, without severe complications, highlighting the need for optimized management of specific scenarios like rapid delivery or penicillin allergy.

Impact:

  • Demonstrates the feasibility of national guideline adherence in busy obstetrical settings.
  • Highlights areas for improvement in GBS screening and prophylaxis protocols.
  • Contributes to evidence-based practices for reducing neonatal infections and optimizing antibiotic stewardship.
Abstract

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