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[Epidemiologic study of pathogens causing nosocomial infections].

S C Chang1, Y C Chen, L Y Hsu

  • 1Department of Internal Medicine, National Taiwan University Hospital, Taipei, R.O.C.

Journal of the Formosan Medical Association = Taiwan Yi Zhi
|November 1, 1990
PubMed
Summary

Nosocomial infections in Taiwan remained stable at 4-5% annually. Pathogen trends shifted from Escherichia coli to Pseudomonas aeruginosa, with increasing fungi and Gram-positive cocci.

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Area of Science:

  • Infectious Diseases
  • Microbiology
  • Epidemiology

Context:

  • Nosocomial infections pose a significant global health challenge, increasing hospitalization duration and mortality.
  • Understanding evolving pathogen characteristics is crucial for effective hospital infection control.

Purpose:

  • To analyze trends in nosocomial infection rates and causative pathogens at a major Taiwanese teaching hospital from 1981 to 1989.
  • To identify shifts in the dominant microorganisms responsible for hospital-acquired infections over a nine-year period.

Summary:

  • Nosocomial infection rates at National Taiwan University Hospital remained consistent at 4-5% annually between 1981 and 1989.
  • Surgical wound infections were most common, though decreasing, followed by urinary, respiratory, and bloodstream infections.

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  • A significant shift in primary pathogens occurred, with Escherichia coli initially dominant, later replaced by Pseudomonas aeruginosa. Gram-negative aerobic bacteria predominated, but fungi and Gram-positive cocci showed increasing incidence.

    • Impact:

    • This study highlights the dynamic nature of nosocomial pathogens and informs targeted surveillance and treatment strategies.
    • Findings provide valuable epidemiological data for infection control practices in Taiwanese hospitals and similar healthcare settings.