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Post-infectious pseudoaneurysm after coronary angioplasty using drug eluting stents

Constantin B Marcu1, Dragos V Balf, Thomas J Donohue

  • 1Section of Cardiology, P-207, Hospital of Saint Raphael, Yale University, 1450 Chapel Street, New Haven, CT 06511, USA. bmarcu@srhs.org

Heart, Lung & Circulation
|December 15, 2005
PubMed

Insights

Coronary stent infections are rare. This case details a Staphylococcus aureus infection causing a pseudoaneurysm in the left anterior descending artery after paclitaxel-eluting stent placement.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Medical Device Complications

Background:

  • Coronary artery stents are commonly used to treat atherosclerotic disease.
  • Infections associated with coronary stents are infrequent, typically linked to stent contamination during implantation or transient bacteremia from the access site.

Observation:

  • A rare case of pseudoaneurysm, also known as a mycotic aneurysm, occurred in the left anterior descending coronary artery.
  • This complication developed subsequent to the implantation of paclitaxel-eluting stents.

Findings:

  • The pseudoaneurysm was confirmed to be caused by an infection with Staphylococcus aureus.
  • The findings highlight a specific microbial cause for a rare stent-related complication.

Implications:

  • This case underscores the importance of considering infectious etiologies for coronary artery pseudoaneurysms, even after stent implantation.
  • Awareness of such rare complications is crucial for timely diagnosis and management in interventional cardiology.
  • Further investigation into the pathogenesis of stent-related infections may inform preventative strategies.

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