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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

Postnatal penicillin prophylaxis of early-onset group B streptococcal infection in term newborns. A preliminary study

Lucia Stillova1, Zuzana Strechova, Katarina Matasova

  • 1Clinic of Neonatology, Jessenius Faculty of Medicine, Comenius University, Faculty Hospital of Martin, Martin, Slovakia. luciastillova@gmail.com

Biomedical Papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia
|August 11, 2007
PubMed

Insights

Selective postnatal antibiotic prophylaxis (PAP) with penicillin for newborns of GBS-colonized mothers is effective and safe. This strategy, combined with intrapartum antibiotic prophylaxis (IAP), can reduce early-onset group B Streptococcal disease (EOGBSD) in neonates.

Area of Science:

  • Neonatal infectious diseases
  • Streptococcal infection prevention
  • Antibiotic prophylaxis strategies

Background:

  • Early-onset group B Streptococcal disease (EOGBSD) poses a significant threat to newborns.
  • Intrapartum antibiotic prophylaxis (IAP) is insufficient to prevent all EOGBSD cases.
  • Managing asymptomatic neonates born to GBS-colonized mothers presents challenges.

Purpose of the Study:

  • To evaluate the efficacy and safety of administering intramuscular penicillin at birth to a select group of term newborns from GBS-colonized mothers.
  • To determine if this selective postnatal antibiotic prophylaxis (PAP) can prevent EOGBSD.

Main Methods:

  • A protocol was established for managing term infants born to GBS-colonized mothers.
  • Criteria for PAP included abnormal blood counts (leukocytosis/leukopenia) or multiple obstetric risk factors.
  • The study prospectively followed a cohort of newborns.

Main Results:

  • The study included 250 term newborns.
  • PAP was administered to 39 infants based on predefined criteria.
  • No cases of clinically manifest infection or sepsis were observed in the study group.

Conclusions:

  • Selective PAP using penicillin appears to be an effective and safe method for reducing EOGBSD morbidity and mortality.
  • A combined approach of IAP and selective PAP is recommended.
  • This strategy offers a promising way to enhance neonatal protection against group B Streptococcus.
Abstract

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