Left subclavian artery free graft as a salvage technique after failed coronary artery transfer in arterial switch
Si Chan Sung1, Yun Hee Chang, Hyoung Doo Lee
1Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, 1-10, Ami-dong, Seo-gu, Busan 602-061, South Korea.
Insights
A novel technique for left coronary bypass using a left subclavian artery graft is presented for failed coronary artery transfer in transposition of the great arteries. This method addresses complex congenital heart defects involving intramural coronary arteries.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Congenital Heart Disease
Background:
- Transposition of the great arteries (TGA) with single or intramural coronary arteries presents significant surgical challenges.
- Coronary artery transfer is a critical but technically demanding component of TGA repair.
Observation:
- Failed coronary artery transfer in TGA with intramural coronary arteries requires alternative management strategies.
- Intramural coronary arteries pose unique risks during coronary transfer due to their course within the myocardial wall.
Findings:
- A successful technique for left coronary bypass using a free graft of the left subclavian artery is demonstrated.
- This bypass strategy effectively manages failed left coronary artery transfer in TGA with intramural coronary arteries.
Implications:
- This approach offers a viable solution for complex TGA cases with coronary anomalies.
- Improved surgical options can enhance outcomes for infants with critical congenital heart defects.
Abstract:
Coronary artery transfer in transposition of the great arteries with single coronary artery or intramural coronary artery is still a technically demanding procedure. We present a technique of left coronary bypass using a free graft of left subclavian artery for the management of failed coronary artery transfer of left intramural coronary artery.
