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Gerbode defect with Staphylococcus lugdunensis native tricuspid valve infective endocarditis
Robert J Carpenter1, Gregory D Price, Gilbert E Boswell
1Department of Infectious Diseases, Naval Medical Center San Diego, San Diego, California 92134, USA. robert.carpenter@med.navy.mil
Journal of Cardiac Surgery
|February 15, 2012
Summary
Staphylococcus lugdunensis can cause severe native valve endocarditis, unlike other coagulase-negative staphylococci. This case highlights a direct Gerbode defect linked to S. lugdunensis infective endocarditis needing surgery.
Area of Science:
- Cardiology
- Infectious Diseases
- Microbiology
Background:
- Coagulase-negative staphylococci (CoNS) are typically low-virulence bacteria.
- Native valve endocarditis (NVE) is infrequently caused by CoNS.
- Staphylococcus lugdunensis is a notable exception among CoNS, causing severe infections.
Observation:
- A patient presented with native valve infective endocarditis (IE).
- The infection was caused by Staphylococcus lugdunensis.
- A direct Gerbode defect was identified as a complication.
Findings:
- Staphylococcus lugdunensis demonstrated significant virulence, mimicking Staphylococcus aureus infections.
- The presence of a direct Gerbode defect complicated the native valve endocarditis.
- Surgical intervention was required for the management of the condition.
Implications:
- This case underscores the potential severity of Staphylococcus lugdunensis endocarditis.
- Direct Gerbode defects can be associated with S. lugdunensis IE.
- Early recognition and surgical management are crucial for severe cases of S. lugdunensis endocarditis.
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