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Infections by gram-positive bacteria: an overview
1Department of Chemotherapy, University of Pavia, Italy.
Abstract:
Staphylococcus aureus, which has exceptional ability to cause disease in man, has responded to the introductions of antimicrobial agents by the selection and emergence of antibiotic-resistant strains. There have been cyclical changes in the prevalence of these strains in nosocomial infections. Other Gram-positive species that give rise to concern, for related reasons, are Staph. epidermidis and other coagulase-negative staphylococci, Streptococcus faecalis and the JK group of corynebacteria. These problems are discussed to provide a background for the contributions that follow.
Insights
Antibiotic resistance in Staphylococcus aureus and other Gram-positive bacteria is a growing concern in healthcare settings. Understanding the emergence and cyclical changes of these resistant strains is crucial for effective treatment strategies.
Area of Science:
- Microbiology
- Infectious Diseases
- Antimicrobial Resistance
Background:
- Staphylococcus aureus possesses a significant capacity for causing human disease.
- The widespread use of antimicrobial agents has led to the selection and emergence of antibiotic-resistant strains.
- Cyclical changes in the prevalence of resistant strains are observed in nosocomial infections.
Purpose of the Study:
- To discuss the challenges posed by antibiotic-resistant Gram-positive bacteria.
- To provide a background for subsequent contributions on managing antimicrobial resistance.
Main Methods:
- Literature review and discussion of existing data on antibiotic resistance patterns.
- Analysis of the emergence and prevalence of resistant strains in healthcare environments.
Main Results:
- Staphylococcus aureus readily develops resistance to antimicrobial agents.
- Other Gram-positive bacteria, including Staph. epidermidis, Streptococcus faecalis, and JK corynebacteria, also present resistance concerns.
- The prevalence of resistant strains exhibits cyclical fluctuations in hospital-acquired infections.
Conclusions:
- Antibiotic resistance in key Gram-positive pathogens is a significant clinical challenge.
- Continued monitoring and research are essential to combat the evolving threat of antimicrobial resistance.
- The emergence of resistance necessitates a thorough understanding of epidemiological trends.