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Multiple antibiotic resistance in Streptococcus pneumoniae.

D W Crook¹, B G Spratt

¹Department of Microbiology, John Radcliffe Hospital, University of Oxford, UK.

British Medical Bulletin

|May 18, 1999

Summary

Antibiotic resistance in Streptococcus pneumoniae is increasing, with many strains resistant to penicillin and other drugs. New conjugate vaccines show promise for controlling pneumococcal infections.

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Area of Science:

Microbiology
Infectious Diseases
Public Health

Background:

* Streptococcus pneumoniae is a significant cause of illness and death globally.
* Increasing resistance to penicillin and other antibiotics, including extended-spectrum cephalosporins, is a growing concern.
* High rates of penicillin resistance (50-80%) are observed in pneumococcal isolates, particularly those linked to childhood diseases.

Purpose of the Study:

* To discuss the impact of antibiotic resistance on pneumococcal infections.
* To evaluate the effectiveness of new conjugate vaccines in controlling pneumococcal disease.

Main Methods:

* Review and discussion of existing data on antibiotic resistance trends in Streptococcus pneumoniae.
* Analysis of the clinical outcomes of otitis media, pneumonia, and meningitis caused by resistant strains.
* Assessment of the potential role of conjugate vaccines.

Main Results:

* Emergence and global spread of highly penicillin-resistant pneumococcal clones resistant to multiple antibiotics.
* Significant prevalence of penicillin-resistant strains, affecting disease and carriage in children.
* Growing resistance to erythromycin, tetracycline, chloramphenicol, and cotrimoxazole in successful clones.

Conclusions:

* Antibiotic resistance poses a major challenge in managing Streptococcus pneumoniae infections.
* Conjugate vaccines offer a promising strategy for the control and prevention of pneumococcal diseases.
* Continued surveillance and development of effective treatment and prevention strategies are crucial.

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