Anatomic correction of transposition of the great arteries: pre- and postoperative cardiac catheterization, with angiocardiography in five patients.

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Abstract
Six of eight patients survived anatomic correction of transposition of the great arteries and repair of associated cardiovascular anomalies at the Hospital for Sick Children, Toronto, Canada. Two of the six survivors also had tricuspid atresia, and continuity between the right atrium and the subaortic outlet chamber in these patients was provided by a valved external conduit, in addition to the arterial switch and coronary artery reimplantation. Five of the six patients have undergone complete postoperative clinical, hemodynamic and angiocardiographic investigation and form the basis of this communication. Our present indications for anatomic repair are discussed.