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Corynebacterium diphtheriae endocarditis--surgery for some but not all!
Bashisth Mishra1, Rebecca J Dignan, Clifford F Hughes
1Cardiothoracic Surgical Unit, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.
Asian Cardiovascular & Thoracic Annals
|May 21, 2005
Summary
Infective endocarditis caused by Corynebacterium diphtheriae may be more common than previously believed. Prompt surgical intervention for patients with abnormal valves improves outcomes in this potentially aggressive infection.
Area of Science:
- Infectious Diseases
- Cardiology
- Microbiology
Background:
- Corynebacterium diphtheriae endocarditis was historically considered a rare condition.
- This study re-evaluates the incidence and clinical presentation of this infection.
Observation:
- A review of four institutional cases over 10 years and seventy literature cases was conducted.
- Analysis focused on treatment outcomes and disease characteristics.
Findings:
- Infective endocarditis due to Corynebacterium diphtheriae is potentially more common than previously assumed.
- The disease can present aggressively, necessitating careful patient selection for treatment.
- Successful outcomes are achievable with appropriate medical or surgical management.
Implications:
- Early surgical intervention is recommended for patients with abnormal or prosthetic valves.
- Patients with normal valves may be managed medically, with readiness for emergent surgery.
- Increased recognition of C. diphtheriae endocarditis may improve diagnostic and treatment strategies.