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Group B Streptococcus causes severe sepsis in term neonates: 8 years experience of a major Chinese neonatal unit 
Group B Streptococcus causes severe sepsis in term neonates: 8 years experience of a major Chinese neonatal unit
  Ying Dong, Si-Yuan Jiang, Qi Zhou, Yun Cao
 [Abstract] [Full Text] [PDF]   Pageviews: 326 Times
Background: In contrast to industrialized countries, the clinical characteristics of neonatal sepsis caused by Group B Streptococcus (GBS) are largely unexplored in China.
Methods: A retrospective case series study was performed at a high-capacity neonatal unit in Shanghai, China from January 2008 to December 2015. Clinical characteristics of neonates with culture-proven GBS sepsis and antibiotic susceptibility of isolated strains were analyzed.
Results: Forty-three term neonates were included during the study period. The majority (74.4%) had early-onset sepsis with symptoms of respiratory distress. Meningitis was significantly more common in lateonset sepsis than in early-onset sepsis (81.5% vs. 18.8%, P<0.0001). Approximately one third of all patients (n=16) developed severe sepsis, defined as sepsis with organ dysfunctions, and respiratory dysfunction/failure was the most common (32.6%). The in-hospital mortality rate of GBS sepsis was 4.7%. Neonates who progressed to severe sepsis had significantly lower pH level at the onset of symptoms than those who did not (7.26¡À0.12 vs. 7.39¡À0.05, P=0.006). Treatment of severe GBS sepsis required lots of medical resources including extracorporeal membrane oxygenation. All tested GBS strains were susceptible to penicillin, but the rate of resistance to clindamycin (84.0%) and erythromycin (88.0%) was high.
Conclusions: GBS as a pathogen for neonatal sepsis has been receiving little attention in China. Our data demonstrated that GBS sepsis was likely to be fulminant. Early recognition followed by antibiotics and adequate supportive therapies was critical for successful treatment. Chinese clinicians should be aware of GBS infection when treating neonatal sepsis, especially in the absence of universal maternal GBS screening.
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