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Related Experiment Videos

Bacteraemia--a New York perception.

H C Neu1, M Fracaro, H Bopp

  • 1Department of Epidemiology, Columbia-Presbyterian Medical Center, New York, NY.

The Journal of Antimicrobial Chemotherapy
|April 1, 1990
PubMed
Summary
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Diagnostic microbiology and infectious disease·1992

This study reviewed 7541 positive blood cultures from New York. Streptococcus pneumoniae was common in community infections, while staphylococci predominated in hospital-acquired infections, confirming a trend of Gram-positive bacteria.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Epidemiology

Background:

  • Bloodstream infections (BSIs) pose a significant clinical challenge.
  • Understanding the etiology of BSIs is crucial for effective treatment and prevention.
  • Trends in bacterial pathogens causing BSIs can vary geographically and over time.

Purpose of the Study:

  • To analyze the spectrum of pathogens identified in positive blood cultures.
  • To identify differences in causative agents between community-acquired and nosocomial infections.
  • To confirm the reported increasing trend of Gram-positive bacteria in BSIs.

Main Methods:

  • Retrospective review of 7541 positive blood culture results.
  • Data collected from a New York medical center between 1984 and 1989.

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  • Categorization of infections into community-acquired and nosocomial.

    • Main Results:

    • Streptococcus pneumoniae was the predominant pathogen in community-acquired infections.
    • Coagulase-negative staphylococci and Staphylococcus aureus were most common in nosocomial infections.
    • Nosocomial infections were frequently associated with intravenous line use.
    • A confirmed trend towards an increase in Gram-positive isolates was observed.

    Conclusions:

    • The epidemiological profile of BSIs in this New York cohort reflects distinct causative agents for community-acquired versus nosocomial infections.
    • Staphylococci are significant pathogens in hospital-acquired BSIs, often linked to invasive devices.
    • The findings support the ongoing trend of Gram-positive bacteria dominating BSIs, necessitating targeted antimicrobial strategies.