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  • Title: Neonatal group B streptococcal disease: incidence, presentation, and mortality.
    Author: Hamada S, Vearncombe M, McGeer A, Shah PS.
    Journal: J Matern Fetal Neonatal Med; 2008 Jan; 21(1):53-7. PubMed ID: 18175244.
    Abstract:
    OBJECTIVES: To ascertain the incidence, and compare the clinical characteristics, laboratory parameters, and immediate mortality of neonates with early-onset (symptomatic and asymptomatic) and late-onset group B streptococcal (GBS) disease. METHODS: A chart review of 81 neonates with GBS disease (either blood and/or cerebrospinal fluid culture-proven) born between 1995 and 2002 admitted to two tertiary care perinatal centers in Toronto was conducted. Clinical characteristics were compared for (1) asymptomatic early-onset, symptomatic early-onset, and late-onset GBS disease and (2) survivors and non-survivors. RESULTS: The incidence of GBS disease was 1.13/1000 live births. One or more antepartum or intrapartum predisposing factors were recognized in 62% of cases. Early-onset was noted in 65 (80%) neonates (23 asymptomatic and 42 symptomatic). All full-term infants survived. The mortality was 6% and was confined to preterm neonates with early symptomatic disease who presented with shock and had thrombocytopenia. CONCLUSION: Antepartum or intrapartum known predisposing risk factors of GBS disease were lacking in one third of patients. Patients who died were preterm infants in the early symptomatic group.
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