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A Murine Model of Group B Streptococcus Vaginal Colonization
10:19

A Murine Model of Group B Streptococcus Vaginal Colonization

Published on: November 16, 2016

Prevention of neonatal group B streptococcal disease: progress, challenges and dilemmas

A J Daley1, S M Garland

  • 1Department of Microbiology and Infectious Diseases, The Royal Women's Hospital and The Royal Children's Hospital, Melbourne, Victoria, Australia. andrew.daley@wch.org.au

Journal of Paediatrics and Child Health
|December 1, 2004
PubMed

Insights

Screening pregnant women for group B Streptococcus (GBS) carriage is effective in preventing neonatal sepsis. Optimal detection involves combined swabs during weeks 35-37 gestation, with new vaccines on the horizon.

Area of Science:

  • Obstetrics and Gynecology
  • Neonatal Medicine
  • Infectious Diseases

Background:

  • Group B Streptococcus (GBS) remains a significant cause of neonatal sepsis.
  • Intrapartum penicillin prophylaxis has proven effective in reducing early-onset GBS sepsis.
  • Emerging antibiotic resistance necessitates updated prevention strategies.

Purpose of the Study:

  • To evaluate the effectiveness of GBS screening programs versus risk-based strategies for preventing neonatal GBS sepsis.
  • To identify optimal methods for detecting GBS carriage in pregnant women.
  • To discuss the implications of antibiotic resistance and novel vaccine development.

Main Methods:

  • Review of recent data on GBS screening and chemoprophylaxis strategies.
  • Analysis of optimal sample collection (combined vaginal/rectal swabs) and timing (35-37 weeks gestation).
  • Assessment of trends in antibiotic resistance and non-GBS neonatal sepsis.

Main Results:

  • GBS screening programs appear more effective than risk-based strategies for preventing early-onset neonatal GBS sepsis.
  • Combined vaginal and rectal swabs with enrichment culture provide optimal carriage detection.
  • Increasing erythromycin and clindamycin resistance is noted, alongside a rise in E. coli sepsis in premature infants.

Conclusions:

  • GBS screening is recommended for preventing neonatal sepsis.
  • Vigilance regarding antibiotic resistance and alternative prevention methods, including vaccines, is crucial.
  • Novel vaccination strategies hold promise for future GBS prevention.

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