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[Nosocomial infections]
1Service de Microbiologie, Hôpital Louis Mourier, Colombes.
Abstract:
GLYCOPEPTIDE RESISTANCE: Resistance to glycopeptides raises many therapeutic problems when it occurs in strains such as enterococci or staphylococci causing clinical infections. Two observations described here exemplify the emergence of such resistance in a metacillin-resistant Staphylococcus aureus (MRSA) strain during vancomycin treatment and in a Clostridium difficile strain. NASAL MRSA IN HOSPITAL PERSONNEL: Nasal cavities of hospital personnel is a not well recognized reservoir of MRSA. A survey conducted in a Parisian hospital evidenced problems of personnel-patient transmission. MRSA were found in 6% of the hospital personnel samples.
Insights
Glycopeptide resistance in bacteria like Staphylococcus aureus poses treatment challenges. Nasal carriage of methicillin-resistant Staphylococcus aureus (MRSA) in hospital staff can contribute to transmission, highlighting infection control needs.
Area of Science:
- Infectious Diseases
- Microbiology
- Antimicrobial Resistance
Background:
- Glycopeptide resistance in bacteria like enterococci and staphylococci presents significant therapeutic challenges.
- Emergence of resistance during treatment is a growing concern, exemplified by Staphylococcus aureus and Clostridium difficile.
Purpose of the Study:
- To highlight the therapeutic problems associated with glycopeptide resistance.
- To exemplify the emergence of resistance in clinical settings.
- To investigate the role of hospital personnel nasal cavities as a reservoir for MRSA and assess potential transmission.
Main Methods:
- Case observations of resistance emergence during vancomycin treatment in MRSA and Clostridium difficile strains.
- A survey of hospital personnel in a Parisian hospital to detect nasal MRSA carriage.
- Analysis of MRSA prevalence in nasal samples from healthcare workers.
Main Results:
- Two instances of glycopeptide resistance emergence were observed.
- Methicillin-resistant Staphylococcus aureus (MRSA) was detected in 6% of hospital personnel nasal samples.
- Evidence suggests potential personnel-to-patient transmission of MRSA from nasal reservoirs.
Conclusions:
- Glycopeptide resistance is a critical issue in treating infections caused by resistant strains.
- Nasal MRSA carriage among hospital personnel represents a potential source for nosocomial infections.
- Enhanced infection control measures are necessary to mitigate MRSA transmission in healthcare settings.