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[Enterococcus sp. resistance, a growing problem. Epidemiologic study (1987-1993)]

M C Sáenz González1, L F Valero Juan

  • 1Departamento de Medicina Preventiva, Facultad de Medicina, Universidad de Salamanca.

Medicina Clinica
|October 22, 1994
PubMed
Summary
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Enterococcus infections are a growing concern due to increasing antibiotic resistance. While ampicillin resistance rapidly increased from 1987-1993, vancomycin remains effective against these resilient bacteria.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Antimicrobial Resistance

Context:

  • Enterococcus species pose a significant challenge in healthcare settings due to rising antimicrobial resistance.
  • Limited therapeutic options exacerbate the problem of Enterococcus infections.
  • Understanding resistance patterns is crucial for effective treatment strategies.

Purpose:

  • To investigate the in vitro resistance patterns of Enterococcus species to ampicillin, vancomycin, and gentamycin.
  • To analyze the evolution of antimicrobial resistance in Enterococcus isolates over a seven-year period (1987-1993).
  • To identify factors influencing resistance, such as patient demographics and infection source.

Summary:

  • A study at Salamanca University Hospital tracked Enterococcus resistance from 1987-1993 using standardized methods.

Related Experiment Videos

  • Ampicillin resistance increased significantly over time, particularly in medical patients and isolates from urine/wound exudates.
  • While gentamycin resistance was widespread, vancomycin demonstrated sustained effectiveness, with only a slight increase in resistance observed.

    • Impact:

    • The findings highlight the rapid emergence of ampicillin-resistant Enterococcus strains, necessitating careful treatment selection.
    • Vancomycin remains a viable therapeutic option, though ongoing surveillance is essential.
    • This study provides critical data for guiding antibiotic stewardship and infection control measures against Enterococcus.