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Stroke, Vol 19, 443-446, Copyright © 1988 by American Heart Association

ARTICLES

Cerebral ischemia and mitral valve prolapse: case-control study of associated factors

RE Kelley, I Pina and SC Lee
Department of Neurology, University of Miami School of Medicine, Florida.

We evaluated 36 patients with cerebral ischemia and mitral valve prolapse and compared them with 36 age-matched controls with cerebral ischemia who had similar attributes but who did not have mitral valve prolapse. Stepwise logistic regression analysis revealed an inverse relation between cerebral ischemia in the presence of mitral valve prolapse and hypertension, diabetes mellitus, occlusive cerebrovascular disease, and completed stroke at p less than 0.01. We also found, by correlation analysis, a negative correlation between both hypertension and diabetes mellitus versus mitral valve prolapse at p less than 0.05. Overall, 10 study patients compared with two control patients had no risk factors for cerebrovascular disease detected (chi 2 = 4.9, p less than 0.05). These data indicate that the association of mitral valve prolapse and cerebral ischemia is of special importance in patients who do not have other detected risk factors for cerebrovascular disease.

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