Interrupted Arcus Aorta: Report of 4 Cases

Four cases with interrupted aortic arch diagnosed at the Hacettepe University, Department of Pediatric Cardiology have been presented. Two cases were classified as type A, one type B, and the Iast one as type C with respect to Iocalisation of the interrupted portion. In all cases patent ductus aorteriosus was present as an associated Iesion. In addition following anomalies were detected: ventricular septal defect in three, mitral valve abnormality in one, hypoplasia of the left ventricle in one, and double aortic arch in one patient. Two patients died in the neonatal period prior to surgical intervention. The remaining two cases were evaluated as inoperable because of severe pulmonary hypertension and pulmonary vascular obstructive changes on admission.