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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
PubMed

Insights

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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