Cardiac Repair in Anatomically Corrected Malposition of the Great Arteries

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Abstract
Anatomically corrected malposition of the great arteries is a congenital cardiac malformation in which the atria and ventricles are in concordant relation, as are the ventricles and great arteries, but the aorta is to the left of the pulmonary artery (1-position). The reported cases and our two patients have had situs solitus of viscera and atria. The aortic and pulmonary circulations are in series. We report successful surgical repair in 2 patients with associated large ventricular septal defects and pulmonary stenosis. In one the defect was posterior and in relation to the pulmonary artery which slightly overrode it. In the other the defect was anterior and the aorta overrode it. The developmental basis of these two examples of the same entity is probably different. An appropriate terminology and categorization that is useful surgically is presented.