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[Endocarditis caused by Cardiobacterium hominis]

E Lécluse¹, P Scanu, E Saloux

¹Service de Soins intensifs de Cardiologie, CHRU de Caen.

Presse Medicale (Paris, France : 1983)

|February 19, 1994

Summary

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Cardiobacterium hominis endocarditis is likely underdiagnosed due to varied symptoms and difficult cultures. Early diagnosis and appropriate antibiotic treatment are crucial for managing this serious infection.

Area of Science:

Infectious Diseases
Cardiology
Microbiology

Background:

Cardiobacterium hominis is a rare cause of infective endocarditis.
Diagnosis can be challenging due to variable clinical presentations and difficult bacterial culture.
This bacterium is a normal commensal of the upper respiratory and genitourinary tracts.

Observation:

Two cases of C. hominis endocarditis are presented, highlighting diagnostic delays and varied outcomes.
One patient experienced infero-apical necrosis and died from heart failure, while the other recovered after valve replacement.
Clinical signs often include fever and heart murmur, with laboratory findings of elevated ESR and hyperleukocytosis.

Findings:

Blood cultures may be negative initially, delaying diagnosis.

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C. hominis endocarditis can lead to severe complications like stroke and heart failure.

The organism is sensitive to amoxicillin and netilmicin.

Implications:

Increased clinical suspicion and improved diagnostic methods are needed for C. hominis endocarditis.
Prompt and appropriate antibiotic therapy, potentially combined with surgery, is essential for favorable outcomes.
Further research into the pathogenesis and optimal treatment strategies for C. hominis endocarditis is warranted.