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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
Summary
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.
- 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.