AAH: aortic arch hypoplasia; ASO: arterial switch operation; CoA: coarctation; IAA: interrupted aortic arch; LVOTO: left ventricular outflow tract obstruction; LCOS: low cardiac output syndrome; MV: mitral valve; POD: postoperative day; OR: operating room; TV: tricuspid valve; VSD closure: ventricular septal defect closure.