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[Streptpcoccus pneumoniae: current status of its resistance to antibiotics]
1Groupe Hospitalier Bichat-Claude-Bernard, Service de Microbiologie, 46, rue Henri-Huchard, F 75877 Paris. claudette.muller@bch.ap-hop-paris.fr
Abstract:
A WORLDWIDE ISSUE: Streptococcus pneumoniae is an important pathogen implicated in many illnesses. The susceptibility of this bacteria has greatly changed since 1967 when it was the leading strain resistant to penicillin G. Since that time, the resistance of S. pneumoniae has become a worldwide problem leading to the development of schemes to monitor resistance in different countries. The analysis of these "observation" studies points out the wide variability of resistance to antibiotics depending on the concerned country and region. Amoxicillin, cefotaxim, the new fluoroquinolones and vancomycin have exhibited the best preservation of efficacy worldwide. RESISTANCE IN FRANCE: Pneumococcal resistance is high in France against penicillin, third-generation cephalosporins, and erythromycin. Resistance has however appeared to stabilize since 1997, with the exception of invasive strains which have shown a rising level of penicillin G resistance. A NEW THREAT: Several authors have reported that vancomycin-tolerant strains have a significant clinical importance and must be carefully monitored. Reasonable prescription of antibiotics appears to be more than ever necessary to reduce the selection pressure of antibiotics.
Insights
Antibiotic resistance in Streptococcus pneumoniae is a global concern, with significant variations by region. While some antibiotics like vancomycin remain effective, careful antibiotic prescribing is crucial to combat rising resistance.
Area of Science:
- Microbiology
- Infectious Diseases
- Pharmacology
Context:
- Streptococcus pneumoniae is a major human pathogen causing numerous illnesses globally.
- Antibiotic resistance in S. pneumoniae has escalated significantly since 1967, becoming a worldwide public health issue.
- Resistance patterns exhibit considerable geographic variability, necessitating localized monitoring.
Purpose:
- To analyze the global and regional trends in antibiotic resistance of Streptococcus pneumoniae.
- To identify antibiotics with preserved efficacy against S. pneumoniae worldwide.
- To highlight the specific resistance patterns in France and emerging threats like vancomycin tolerance.
Summary:
- Antibiotic resistance in Streptococcus pneumoniae is a growing global challenge, with observed variations across countries and regions.
- Amoxicillin, cefotaxime, fluoroquinolones, and vancomycin demonstrate the most consistent efficacy globally against S. pneumoniae.
- In France, high resistance rates persist for penicillin, cephalosporins, and erythromycin, with a concerning rise in penicillin G resistance among invasive strains.
Impact:
- Informed antibiotic stewardship is essential to mitigate the selection pressure driving resistance.
- Monitoring vancomycin-tolerant strains is critical due to their significant clinical implications.
- Understanding regional resistance trends aids in optimizing treatment strategies for pneumococcal infections worldwide.