Mitral valve prolapse: Can it thicken the aorta?

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    Martha Grogan, M.D.

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Question

Mitral valve prolapse: Can it thicken the aorta?

Can mitral valve prolapse cause the aorta to thicken? Perhaps because the heart is working too hard?

Answer

from Martha Grogan, M.D.

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Illustration of mitral valve prolapse 
Mitral valve prolapse

Mitral valve prolapse is a common heart disorder that occurs when the valve between the heart's left upper chamber (left atrium) and the left lower chamber (left ventricle) doesn't close properly. Mitral valve prolapse sometimes leads to mitral valve regurgitation — a condition in which blood leaks backward into the left atrium.

The aorta is the large blood vessel that branches off the heart to deliver oxygen-rich blood to the body. Mitral valve prolapse doesn't cause the aorta to thicken. In some cases, however, abnormalities of the aorta may be present along with mitral valve prolapse. This is especially likely if a person has Marfan syndrome or another connective tissue disorder.

Mitral valve prolapse is often harmless. Most people who have mitral valve prolapse don't require treatment. If leakage is severe, however, the mitral valve may need to be repaired or replaced.

References
  1. Grogan M (expert opinion). Mayo Clinic, Rochester, Minn. Oct. 3, 2008.
  2. Sorrentino MJ. Definition and diagnosis of mitral valve prolapse. http://www.uptodate.com/home/index.html. Accessed Oct. 6, 2008.
  3. Gaasch WH. Overview of the management of chronic mitral regurgitation. http://www.uptodate.com/home/index.html. Accessed Oct. 6, 2008.

AN01949

Oct. 28, 2008

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