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Definition
By Mayo Clinic staffCoarctation of the aorta — or aortic coarctation — is a narrowing of the aorta, the large blood vessel that branches off your heart and delivers oxygen-rich blood to your body. When this occurs, your heart must pump harder to force blood through the narrow part of your aorta.
Coarctation of the aorta is generally present at birth (congenital). Coarctation of the aorta may range from mild to severe, and may not be detected until adulthood depending on how narrowed the aorta is. It's relatively common, accounting for 5 percent to 10 percent of all congenital heart conditions. Coarctation of the aorta often occurs along with other heart defects. While treatment for coarctation of the aorta is usually successful, it's a condition that requires careful follow-up through infancy and into adulthood.
