Aortic arch syndrome
Definition
Aortic arch syndrome refers to a group of signs and symptoms associated with structural abnormalities in the arteries that branch off the aortic arch (the top portion of the main artery carrying blood away from the heart.
Alternative Names
Subclavian artery occlusive syndrome; Carotid artery occlusion syndrome; Subclavian steal syndrome; Vertebral-basilar artery occlusive syndromeCauses
The abnormalities are most often associated with trauma, blood clots, or malformations that developed before birth.
In children, there are multiple types of aortic arch syndromes, including:
- Vascular rings
- Isolation of the subclavian arteries
- Congenital absence of a branch of the aorta
Symptoms
The arteries' defects result in abnormal blood flow to the head, neck, or arms. Symptoms vary according to the affected artery, but may include neurologic changes (such as dizziness, blurred vision, weakness, and transient ischemic attacks), blood pressure changes, reduced pulse, numbness of an arm, breathing problems, and others.
Treatment
Surgery is usually required to treat the underlying cause of aortic arch syndrome.
Reviewed By: David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.; and Mark A Fogel, MD, FACC, FAAP, Associate Professor of Pediatrics and Radiology, Director of Cardiac MR, The Children's Hospital of Philadelphia.
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