Transcatheter embolization of a giant coronary artery pseudoaneurysm

Pratik Dalal1, Divyashree Varma1, Ripa Chakravorty1

  • 1Department of Medicine, Division of Cardiology, University of Texas Health Science Center, San Antonio, TX, United States.

Insights

A diabetic patient with recurrent bacteremia after bypass surgery was treated percutaneously for a giant coronary artery pseudoaneurysm. This minimally invasive approach successfully closed the pseudoaneurysm, improving the patient's condition.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Medical Imaging

Background:

  • A 53-year-old male with diabetes mellitus and sternal dehiscence experienced recurrent Staphylococcus bacteremia two years post-coronary artery bypass grafting (CABG).
  • Imaging revealed a giant pseudoaneurysm of the right coronary artery (RCA) and a coronary cameral fistula.

Observation:

  • The patient presented with a complex cardiac anomaly following CABG, complicated by recurrent bloodstream infections.
  • High surgical risk precluded traditional open-heart repair for the RCA pseudoaneurysm and fistula.

Findings:

  • Percutaneous closure of the giant RCA pseudoaneurysm and coronary cameral fistula was achieved using a 5mm Amplatzer vascular plug.
  • Post-procedure imaging confirmed successful occlusion of the pseudoaneurysm, and follow-up CT scans showed significant reduction in its size.

Implications:

  • Percutaneous embolization offers a viable, less invasive alternative for managing complex coronary artery pseudoaneurysms in high-risk patients.
  • This case highlights the potential of interventional techniques to address post-surgical cardiac complications effectively.
  • Successful treatment may reduce the risk of recurrent bacteremia and improve long-term outcomes in selected patients.

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