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Published on: April 7, 2015
A Rare Cause of Endocarditis: Streptococcus pyogenes.
Ayşegül Yeşilkaya1, Ozlem Kurt Azap1, Bahar Pirat2
1Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Başkent University, Ankara, Turkey.
Group A Streptococcus endocarditis is rare but increasing. This case highlights Streptococcus pyogenes causing infective endocarditis in a healthy adult, requiring valve replacement and prolonged antibiotic therapy.
Area of Science:
- Infectious Diseases
- Cardiology
- Microbiology
Background:
- Group A Streptococcus (GAS), or Streptococcus pyogenes, is an uncommon cause of infective endocarditis.
- Recent decades show an increasing incidence of invasive GAS infections, including bacteremia.
- Prompt diagnosis and management are crucial for favorable outcomes.
Purpose of the Study:
- To report a case of Streptococcus pyogenes infective endocarditis in a previously healthy adult.
- To describe the clinical presentation, treatment, and outcome of this rare condition.
Main Methods:
- Case report of a previously healthy adult presenting with fever.
- Diagnostic workup including echocardiography to identify vegetations.
- Treatment involved high-dose penicillin G, mechanical valve replacement, and a 6-week antibiotic course.
Main Results:
- The patient developed Streptococcus pyogenes endocarditis, initially affecting the mitral valve.
- New vegetation growth on the aortic valve was suspected during treatment.
- Successful treatment involved surgical valve replacement and completion of antibiotic therapy.
Conclusions:
- Streptococcus pyogenes can cause severe infective endocarditis even in healthy individuals.
- Aggressive management, including surgical intervention and prolonged antibiotics, may be necessary.
- This case underscores the importance of considering GAS in endocarditis etiology.
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Endocarditis II: Clinical Features of Infective Endocarditis
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Endocarditis III: Medical Management
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