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Penicillin-insensitive pneumococci: isolation from patients with pneumonia
Southern Medical Journal
|January 1, 1979
Abstract:
Pneumococci relatively insensitive to penicillin G were isolated from the sputum of two patients with pneumonia. One of the organisms was also relatively insensitive to ampicillin, cefamandole, and cephalothin and was resistant to tetracycline. Because penicillin-insensitive pneumococci are being reported with greater frequency, continued surveillance of pneumococcal sensitivity to penicillin is appropriate.
Insights
Penicillin-insensitive pneumococci were found in pneumonia patients. This highlights the growing resistance and the need for ongoing monitoring of pneumococcal antibiotic sensitivity.
Area of Science:
- Microbiology
- Infectious Diseases
- Antimicrobial Resistance
Background:
- Streptococcus pneumoniae is a common cause of pneumonia.
- Penicillin G has historically been a primary treatment for pneumococcal infections.
- Emerging antibiotic resistance poses a significant threat to public health.
Observation:
- Pneumococci exhibiting reduced sensitivity to penicillin G were isolated from two patients with pneumonia.
- One isolate also showed reduced sensitivity to ampicillin, cefamandole, and cephalothin.
- This same isolate was resistant to tetracycline.
Findings:
- The study identified pneumococcal strains with decreased susceptibility to penicillin G.
- Multiple drug resistance was observed in one of the penicillin-insensitive isolates.
- These findings indicate a potential increase in antibiotic-resistant Streptococcus pneumoniae.
Implications:
- Continued surveillance of pneumococcal antibiotic sensitivity is crucial.
- The rise of penicillin-insensitive pneumococci necessitates reassessment of treatment guidelines.
- This underscores the importance of antimicrobial stewardship programs to combat resistance.