Interrupted aortic arch (patient information)

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What is interrupted aortic arch?

How do I know if I have interrupted aortic arch and what are the symptoms of interrupted aortic arch?

The signs and symptoms of interrupted aortic arch depend on the location of the interruption. Usual symptoms include:

Cyanosis
Rapid breathing
Fast heart rate
Weakness or fatigue
Poor feeding

Other health problems may also cause these symptoms. Only a doctor can tell for sure. A person with any of these symptoms should tell the doctor so that the problems can be diagnosed and treated as early as possible.

Who is at risk for interrupted aortic arch?

Like many congenital heart disease, the cause of interrupted aortic arch is not clear. Clinical surveys and basic research suggest that the gene mutation may play an important role during the pregnancy.

How to know you have interrupted aortic arch?

Echocardiography: Echocardiography is the most commonly used imaging technique for the diagnosis of interrupted aortic arch. It can demonstrates the site of arch interruption, the size and anatomic type of the ventricular septal defect, the morphology of the aortic valve, and the anatomic severity of subaortic hypoplasia.
Electrocardiogram (ECG) and Holter monitoring: Electrocardiogram and Holter monitoring can tell electric activities of the heart for cardiovascular diseases. They can supply informations about heart rhythm and indirectly, heart size. Patients with interrupted aortic arch may show right ventricular hypertrophy sign.
Chest x-ray: An x-ray image of chest allows the doctor to check the size and shape of the heart to determine whether the heart is enlarged or not. And it also helps the doctor check the condition of your lungs. Patients with interrupted aortic arch may show an enlarged heart or an increased pulmonary vascularity.
Cardiac MRI and CT: Cardiac MRI and CT can create pictures of the ventricles, atrium, valves and major blood vessels. It can help doctors analyse the structure and function of the heart and decide the treatment protocols for the patient. Patient with interrupted aortic arch may reveal the site of the arch interruption and determine whether it affects other blood vessels in the child's body.
Cardiac catheterization: In a catheter room, the doctor threads a thin tube through a blood vessel in yourthe patient's arm or groin to an artery in the heart and injects dye to see the heart and the arteries on an x-ray. Cardiac catheterization can reveal the site of arch interruption, the size and anatomic type of ventricular septal defect, and the anatomic severity of subaortic hypoplasia. It can also demonstrate whether the right subclavian artery is aberrant or not.

When to seek urgent medical care?

Call your health care provider if your baby has interrupted aortic arch and symptoms do not improve with treatment, or if new symptoms appear. If your baby experiences either of the following symptoms, seeking urgent medical care as soon as possible: