Anomalous left anterior descending coronary artery from pulmonary artery with ventricular septal defect

Thomas Stephen1, Korah T Kuruvila, Madhu Andrew Philip

  • 1Department of Cardiothoracic Surgery, Unit II, Christian Medical College, Vellore, India.

Insights

A rare congenital heart defect, anomalous left anterior descending coronary artery originating from the pulmonary artery, was successfully repaired in a 47-year-old woman. The surgical intervention involved closing the anomalous coronary artery origin and bypassing it, alongside ventricular septal defect closure.

Area of Science:

  • Cardiovascular Surgery
  • Congenital Heart Disease
  • Interventional Cardiology

Background:

  • Anomalous coronary artery origins are rare congenital heart defects.
  • The anomalous origin of the left anterior descending coronary artery from the pulmonary artery is exceptionally uncommon.
  • Congenital heart defects often require complex surgical management.

Observation:

  • A 47-year-old woman presented with a ventricular septal defect requiring surgical closure.
  • Preoperative angiography revealed an anomalous left anterior descending coronary artery originating from the left posterior sinus of the pulmonary artery.
  • This anatomical variation presented a unique surgical challenge.

Findings:

  • The anomalous origin of the left anterior descending coronary artery was surgically closed using pledgetted polypropylene sutures.
  • The ventricular septal defect was successfully repaired with a patch inserted through the right atrium.
  • A bypass was created for the anomalous left anterior descending coronary artery using the left internal mammary artery.

Implications:

  • This case highlights successful surgical management of a rare coronary artery anomaly coexisting with a ventricular septal defect.
  • The described surgical technique provides a potential strategy for similar complex congenital heart cases.
  • Effective treatment of anomalous coronary arteries is crucial for preventing myocardial ischemia and improving long-term outcomes.

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