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Prevention of early-onset group B streptococcal disease: another look at single-dose penicillin at birth

J D Siegel1, N B Cushion

  • 1Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, USA.

Obstetrics and Gynecology
|May 1, 1996
PubMed

Insights

Single-dose penicillin at birth significantly reduced early-onset group B streptococcal (GBS) invasive disease in newborns. This safe and effective intervention demonstrates the value of universal prophylaxis for GBS prevention.

Area of Science:

  • Neonatal Infectious Diseases
  • Pediatric Infectious Diseases
  • Antibiotic Prophylaxis

Background:

  • Group B Streptococcus (GBS) remains a significant cause of neonatal invasive disease.
  • Early-onset GBS disease presents a critical public health challenge, particularly in inner-city populations.
  • Effective preventive strategies are essential to reduce neonatal morbidity and mortality associated with GBS.

Purpose of the Study:

  • To evaluate the impact of a single prophylactic dose of penicillin administered at birth on the incidence of early-onset GBS invasive disease.
  • To assess the efficacy of penicillin prophylaxis in a large, diverse inner-city population over an extended period.
  • To determine the safety and effectiveness of universal penicillin administration for GBS prevention in newborns.

Main Methods:

  • Retrospective analysis of laboratory-based surveillance data for GBS disease from 1972-1994.
  • Inclusion of 259,049 live births from Parkland Memorial Hospital, Dallas, Texas.
  • Comparison of early-onset GBS disease rates across five distinct observation periods with varying penicillin prophylaxis strategies.

Main Results:

  • Penicillin prophylaxis groups demonstrated significantly lower rates of early-onset GBS disease (0.25 and 0.63 per 1,000) compared to untreated groups (1.59, 1.19, and 1.95 per 1,000).
  • Penicillin prophylaxis did not affect the incidence of late-onset GBS disease.
  • No increase in penicillin-resistant pathogens or associated mortality was observed in infants receiving penicillin.

Conclusions:

  • Universal administration of a single dose of penicillin at birth is a safe and highly effective method for preventing early-onset GBS disease.
  • This intervention offers a significant public health benefit by reducing neonatal GBS infections.
  • The findings support the widespread implementation of penicillin prophylaxis for GBS prevention in newborns.
Abstract

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