Group B streptococci causing neonatal bloodstream infection: Antimicrobial susceptibility and serotyping results from SENTRY centers in the Western Hemisphere

Janet I. Andrews, Daniel J. Diekema, Stephen K. Hunter, Paul R. Rhomberg, Michael A. Pfaller, Ronald N. Jones, Gary V. Doern

Research output: Contribution to journalArticle

91 Scopus citations

Abstract

OBJECTIVE: Group B streptococcal infection is a common cause of neonatal sepsis. Surveillance of antimicrobial susceptibility and serotype frequencies of invasive group B streptococci is important to ensure the effectiveness of therapeutic regimens and to guide vaccine development. STUDY DESIGN: Prospective surveillance of neonatal bloodstream infection was performed at all Western Hemisphere sites participating in the SENTRY Program. From January 1997 through December 1999, a total of 122 isolates of bloodstream infections with group B streptococci were collected and sent to the University of Iowa for antimicrobial susceptibility testing and serotyping. RESULTS: No isolates were resistant to penicillin. More than 25% of isolates from US hospitals and 14% of isolates from Canadian hospitals were erythromycin resistant. Seven percent of isolates from the United States and Canada were resistant to clindamycin. No clindamycin or erythromycin resistance was found among isolates from Latin America. Clindamycin and erythromycin resistance was most frequent among serotype V strains. CONCLUSIONS: No emerging resistance to penicillin was noted among bloodstream infection isolates of group B streptococci from a broad geographic area; erythromycin and clindamycin resistance was found in the United States and Canada and appeared most frequently among serotype V strains.

Original languageEnglish (US)
Pages (from-to)859-862
Number of pages4
JournalAmerican journal of obstetrics and gynecology
Volume183
Issue number4
DOIs
StatePublished - 2000
Externally publishedYes

Keywords

  • Antimicrobial resistance
  • Group B streptococci
  • Surveillance

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