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Clinical considerations regarding infective Libman-Sacks endocarditis.

M P Tornos, E Galve, A Pahissa

International Journal of Cardiology

|April 1, 1985

Summary

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A patient with systemic lupus erythematosus developed aortic infective endocarditis from Hemophilus paraphrophilus, complicating prior Libman-Sacks endocarditis. This case highlights the need for tailored antibiotic prophylaxis in lupus patients.

Area of Science:

Cardiology
Infectious Diseases
Rheumatology

Background:

Libman-Sacks endocarditis is a non-bacterial thrombotic endocarditis associated with autoimmune diseases, particularly systemic lupus erythematosus (SLE).
Infective endocarditis (IE) involves microbial infection of the heart valves or endocardium, often requiring prompt antibiotic treatment.

Observation:

A case presentation of a patient with a history of Libman-Sacks endocarditis who subsequently developed aortic infective endocarditis.
The causative organism identified was Hemophilus paraphrophilus, a bacterium not commonly associated with severe endocarditis.

Findings:

This case demonstrates a rare occurrence of Hemophilus paraphrophilus causing aortic infective endocarditis in an immunocompromised patient with a history of Libman-Sacks endocarditis.

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The clinical course and management underscore the potential for unusual pathogens in patients with underlying autoimmune conditions and cardiac involvement.

Implications:

The findings suggest a need for heightened awareness and potentially revised antibiotic prophylaxis strategies for patients with systemic lupus erythematosus, especially those with a history of Libman-Sacks endocarditis.
This case contributes to the understanding of infective endocarditis in the context of autoimmune disease, emphasizing the importance of considering a broad spectrum of pathogens.