Complex aortopulmonary window. On purpose of 3 cases

The aorto-pulmonary window is a rare congenital heart anomaly, however, this anomaly is not uncommon associated with different congenital heart diseases. Atrial septal defect is the most frequently associated anomaly. The combination of aorto-pulmonary window and interrupted aortic arch constitutes the prototype which the aorto-pulmonary window is associated with complex congenital heart disease. These aorto-pulmonary window associations with other complex congenital heart diseases can be very varied and unusual, increasing the risk of morbidity and mortality in the evolution of patients who suffer from them. We present three case reports where the aorto-pulmonary window is associated with other complex heart diseases such as interrupted aortic arch, left ventricular outflow tract obstruction, and multiple ventricular septal defects. These complex associations can be surgically corrected in neonatal period with acceptable results, despite their rarity and little accumulated surgical experience. (C) 2020 Sociedad Espanola de Cirugia Cardiovascular y Endovascular. Published by Elsevier Espana, S.L.U. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).