Left main coronary artery-to-pulmonary artery fistula with severe aneurysmal dilatation

Kimberly L Gandy1, Abdallah G Rebeiz, Andrew Wang

  • 1Division of Cardiovascular Surgery, Duke University Medical Center, Durham, NC, USA.

Insights

Coronary artery fistulas (CAF) are rare congenital heart defects. Surgical closure of a symptomatic left coronary artery fistula with a giant aneurysm was successfully performed, offering insights into CAF management.

Area of Science:

  • Cardiology
  • Congenital Heart Disease
  • Vascular Surgery

Background:

  • Coronary artery fistulas (CAF) are uncommon congenital or acquired cardiovascular abnormalities.
  • While often asymptomatic, CAFs can lead to significant complications, including heart failure and arrhythmias.

Observation:

  • This case report details a symptomatic patient with a large left coronary artery-to-pulmonary artery fistula.
  • The fistula was associated with a giant 10-cm aneurysm, posing a unique surgical challenge.

Findings:

  • Successful surgical intervention was achieved for the complex coronary artery fistula and associated aneurysm.
  • The patient's symptoms were resolved postoperatively, indicating the efficacy of surgical closure.

Implications:

  • This case highlights the importance of timely diagnosis and surgical management for symptomatic coronary artery fistulas, especially those with aneurysmal dilatation.
  • The findings contribute to the understanding of managing rare and complex coronary artery anomalies.

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