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Propionibacterium acnes causing an aortic root abscess
S M Horner1, M F Sturridge, R H Swanton
1Department of Cardiology, Middlesex Hospital, London.
British Heart Journal
|August 1, 1992
Summary
Propionibacterium acnes, a normally low-virulence organism, can cause serious endocarditis and aortic root abscesses. This case highlights that less virulent bacteria can lead to severe cardiac infections.
Area of Science:
- Infectious Diseases
- Cardiology
- Microbiology
Background:
- Endocarditis is an infection of the heart lining or valves.
- Aortic root abscesses are serious complications often linked to virulent pathogens.
Observation:
- A rare case of endocarditis caused by Propionibacterium acnes was identified.
- The infection was associated with an aortic root abscess.
Findings:
- Propionibacterium acnes, typically considered a low-virulence organism, was the causative agent.
- This finding challenges the assumption that only highly virulent microorganisms cause aortic root abscesses.
Implications:
- The study suggests that aortic root abscesses may arise from a broader range of bacterial pathogens than previously thought.
- Clinicians should consider less common or low-virulence organisms in the differential diagnosis of endocarditis and aortic root abscesses.
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