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Resistant pneumococci: protecting patients through judicious use of antibiotics
1Childhood and Vaccine Preventable Diseases Epidemiology Section, Centers for Disease Control and Prevention, Atlanta, USA.
Abstract:
Increasing resistance to antimicrobial agents has occurred among many pathogens, but the emergence of resistant Streptococcus pneumoniae will have the greatest impact on the practice of outpatient medicine. Consequences of resistance include complicated management of acute otitis media and meningitis treatment failures. Pneumococci have acquired resistance to penicillin, third-generation cephalosporins and other antibiotics at an alarming rate; in some areas, 25 percent of isolates are nonsusceptible to penicillin. In areas with high resistance rates, the addition of vancomycin to cefotaxime or ceftriaxone is warranted for empiric treatment of bacterial meningitis. Changes in empiric therapy for pneumonia, bacteremia and otitis media may eventually be necessary. Previous antibiotic use is a risk factor for invasive disease with resistant pneumococci. Patients may be best protected by avoiding unnecessary use of antibiotics. Patient education materials as well as recommendations for avoiding the use of antibiotics for some upper respiratory tract infections are currently being developed to help physicians achieve this goal.
Insights
Antimicrobial resistance in Streptococcus pneumoniae poses a significant threat to outpatient medicine, complicating infections like otitis media and meningitis. Prudent antibiotic use is crucial to protect patients from invasive resistant pneumococcal disease.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Increasing antimicrobial resistance is a global health concern.
- Streptococcus pneumoniae resistance impacts outpatient medicine significantly.
- Resistant pneumococci cause treatment failures in otitis media and meningitis.
Purpose of the Study:
- To highlight the impact of resistant Streptococcus pneumoniae on outpatient medicine.
- To discuss management strategies for resistant pneumococcal infections.
- To emphasize the importance of judicious antibiotic use.
Main Methods:
- Review of current trends in antimicrobial resistance.
- Analysis of clinical implications of resistant Streptococcus pneumoniae.
- Assessment of treatment guidelines for resistant infections.
Main Results:
- Streptococcus pneumoniae exhibits alarming resistance rates to penicillin and cephalosporins.
- In high-resistance areas, vancomycin combined with cefotaxime or ceftriaxone is recommended for bacterial meningitis.
- Previous antibiotic use is linked to invasive disease caused by resistant pneumococci.
Conclusions:
- Physicians must adapt empiric therapy for common infections.
- Avoiding unnecessary antibiotic use is key to patient protection.
- Patient education on appropriate antibiotic use is essential.