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Corynebacterium xerosis endocarditis.

R Eliakim, P Silkoff, G Lugassy

    Archives of Internal Medicine
    |October 1, 1983
    PubMed
    Summary
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    Corynebacterium xerosis caused bacterial endocarditis in a healthy individual. This rare case highlights the potential virulence of C. xerosis, even in patients without prior heart valve issues.

    Area of Science:

    • Infectious Diseases
    • Cardiology
    • Microbiology

    Background:

    • Bacterial endocarditis is typically associated with specific risk factors such as compromised immunity or prosthetic heart valves.
    • Diphtheroid infections causing endocarditis are uncommon.
    • Endocarditis on intact native valves is particularly rare.

    Observation:

    • A previously healthy individual developed bacterial endocarditis.
    • The causative agent was identified as Corynebacterium xerosis.
    • This occurred without any pre-existing valvular disease or other known risk factors.

    Findings:

    • This case represents the first documented instance of endocarditis caused by Corynebacterium xerosis on intact native valves.
    • Corynebacterium xerosis demonstrated significant virulence in an otherwise healthy host.

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  • The study underscores that diphtheroid infections can lead to endocarditis even in the absence of typical predisposing conditions.

    • Implications:

    • Clinicians should consider Corynebacterium xerosis as a potential pathogen in bacterial endocarditis, even in immunocompetent individuals with healthy valves.
    • This finding expands the spectrum of causative agents for infective endocarditis.
    • Further research may be warranted to understand the specific mechanisms of virulence for C. xerosis in this context.