![]() When their ductus arteriosus starts to close, within the first week of life, they will start to have symptoms because their blood is not flowing the way it should. Your baby will likely not have symptoms at birth. Read more about the supportive care we offer.Many children and families travel to Seattle Children’s for heart surgery or other care. We help you coordinate travel and housing so you can stay focused on your child.Seattle Children’s has many resources, from financial to spiritual, to support your child and your family and make the journey as smooth as possible.Our child life specialists know how to help children understand their illnesses and treatments in ways that make sense for their age.We will discuss your child’s condition and treatment options in ways you understand and involve you in every decision. Whatever types of care your child needs, we will help your family through this experience.We are committed to your child’s overall health and well-being and to helping your child live a full and active life.How does the ductus arteriosus affect blood flow?.Most babies with interrupted aortic arch also have a hole in the wall between the right and left ventricles called a ventricular septal defect (VSD). Instead, the descending aorta connects to the pulmonary artery by a blood vessel called the ductus arteriosus. This means oxygen-rich blood from the heart cannot reach the lower body and legs in the normal way. In interrupted aortic arch, the first part of the aorta (which supplies blood to the head and arms) is not connected to the rest (which supplies blood to the lower body and legs). In interrupted aortic arch, the first part of this curve, or arch, is not connected to the rest. The aorta leaves the heart near the top and then curves down toward the lower body. The part that curves down is called the descending aorta. ![]() Then the aorta curves down toward the belly, lower body and legs. Just above the heart, small arteries branch off the aorta and go to the head and arms. The aorta carries oxygen-rich (red) blood from the left ventricle of the heart to all parts of the body. ![]() Interrupted aortic arch is a birth defect in which a small section of the aorta is missing.
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