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Mitral Valve Stenosis - Cause

Nearly all cases of mitral valve stenosis are caused by rheumatic fever, which can follow an untreated strep throat infection. But many people who have mitral valve stenosis don't realize that they had rheumatic fever.

Other less common causes include:

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  • A congenital (from birth) heart defect.
  • Infection of the valve or heart muscle (endocarditis).
  • Hardening of the valve or its parts because of aging or severe kidney disease.
  • Conditions that cause scarring of the valve (such as lupus or rheumatoid arthritis).
  • The diet medicine fen-phen. It was taken off the U.S. market in 1997 because of its link to heart valve disease.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: March 12, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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