The Annals of thoracic surgery · 2000
Single coronary artery and complete transposition of the great arteries: a technical challenge resolved?
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Shukla V, Freedom R M, Black M D
Аннотация
BACKGROUND: The origin of the coronary arteries from a single aortic sinus remains a rare congenital anomaly, once regarded as having little clinical significance. Contemporary surgical practice, however, frequently demands precise coronary reimplantation. In this article we emphasize a prophylactic surgical technique found especially helpful in the repair of D-transposition of the great arteries (D-TGA)/single coronary artery.
METHODS: We reviewed the institutional cardiac registry.
RESULTS: Since 1985, 398 neonates with D-TGA were repaired with the arterial switch procedure. A mortality rate of 38% was encountered in "simple" D-TGA (n = 174)/single coronary (2.9% left facing sinus (IRLCx), 7.5% right facing sinus (IIRLCx)) and 41% in neonates with D-TGA (n = 224)/single coronary (3.6% IRLCx, 12% IIRLCx). During the past 3.5 years the surgical mortality rate of neonates (n = 6) treated with origin of the coronary arteries from a single aortic sinus has dropped to 0%.
CONCLUSIONS: The surgical repair of D-TGA/single coronary artery continues to trouble surgeons. The implantation of a well-mobilized coronary "button" into a previously anastomosed neoaorta remains a key prophylactic technique in the achievement of good technical results.
METHODS: We reviewed the institutional cardiac registry.
RESULTS: Since 1985, 398 neonates with D-TGA were repaired with the arterial switch procedure. A mortality rate of 38% was encountered in "simple" D-TGA (n = 174)/single coronary (2.9% left facing sinus (IRLCx), 7.5% right facing sinus (IIRLCx)) and 41% in neonates with D-TGA (n = 224)/single coronary (3.6% IRLCx, 12% IIRLCx). During the past 3.5 years the surgical mortality rate of neonates (n = 6) treated with origin of the coronary arteries from a single aortic sinus has dropped to 0%.
CONCLUSIONS: The surgical repair of D-TGA/single coronary artery continues to trouble surgeons. The implantation of a well-mobilized coronary "button" into a previously anastomosed neoaorta remains a key prophylactic technique in the achievement of good technical results.