an abnormal coronary artery (supplies blood to heart muscle) crosses the area where the patch would go. In that case, repair is done with a conduit (tube) from right ventricle to main pulmonary artery
an abnormal coronary artery (supplies blood toheart muscle) crosses the area where the patch would go. In thatcase, repair is done with a conduit (tube) from right ventricle tomain pulmonary artery