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Familial Mitral Valve Prolapse and Myotonic Dystrophy
- STEPHEN J. WINTERS, M.D.;
- BERNARD SCHREINER, M.D., F.A.C.P.;
- ROBERT C. GRIGGS, M.D., F.A.C.P.;
- PETER ROWLEY, M.D., F.A.C.P.; and
- NAVIN C. NANDA, M.D.
Abstract
When a patient with mitral valve prolapse was found to have myotonic dystrophy, his family was studied to ascertain the occurrence of these abnormalities. Of 25 relatives screened, 8 had evidence of both myotonic dystrophy and mitral valve prolapse and 2 had evidence of myotonic dystrophy alone. Thirteen patients had evidence of neither condition and 1 had mitral valve prolapse alone. The association of these two conditions within a family has not previously been observed and valvular heart disease has not been recognized in myotonic dystrophy. This association should be looked for in other patients.
Article and Author Information
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▸From the Departments of Medicine and Neurology, School of Medicine, University of Rochester; Rochester, New York.
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Grant support: in part by NIH Grant RR00044 and a grant from the Muscular Dystrophy Association.
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▸Requests for reprints should be addressed to Robert C Griggs, M.D.; Department of Neurology, University of Rochester School of Medicine; 601 Elmwood Avenue; Rochester, NY 14642.
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- Received December 11, 1975.
- Accepted March 16, 1976.
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