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Endogenous Actinobacillus actinomycetemcomitans endophthalmitis.

P B Donzis, J A Rappazzo

    Annals of Ophthalmology
    |September 1, 1984
    PubMed
    Summary

    Bacterial endocarditis caused by Actinobacillus actinomycetemcomitans can lead to severe vision loss and mimic fungal infections. This case highlights a rare instance of endophthalmitis from this specific bacterial pathogen.

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    Area of Science:

    • Ophthalmology
    • Infectious Diseases
    • Cardiology

    Background:

    • Endocarditis is a serious infection of the heart lining, often caused by bacteria.
    • Septic emboli can travel from the heart to other organs, including the eye, causing significant damage.
    • Immunocompromised individuals are at higher risk for severe infections.

    Observation:

    • A 56-year-old immunocompromised male presented with acute vision decrease.
    • Diagnostic workup revealed Actinobacillus actinomycetemcomitans endocarditis.
    • The patient experienced septic emboli to the eye and other organs.

    Findings:

    • The case presents the first reported instance of endophthalmitis caused by Actinobacillus actinomycetemcomitans.
    • The bacterial sepsis mimicked symptoms typically associated with fungal eye infections.
    • Actinobacillus actinomycetemcomitans endocarditis led to vision loss due to ocular septic emboli.

    Implications:

    • Clinicians should consider bacterial causes, specifically Actinobacillus actinomycetemcomitans, in immunocompromised patients with endophthalmitis.
    • This case broadens the differential diagnosis for endophthalmitis, emphasizing the need to rule out bacterial sepsis.
    • Early detection and treatment of Actinobacillus actinomycetemcomitans endocarditis are crucial to prevent severe complications like vision loss.

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