{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T10:16:08Z","timestamp":1781172968244,"version":"3.54.1"},"reference-count":53,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"11","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Stroke"],"published-print":{"date-parts":[[2000,11]]},"abstract":"<jats:p>\n            <jats:italic>Background and Purpose<\/jats:italic>\n            \u2014There is little population-based information on cerebrovascular events and survival among valvular heart disease patients. We used the Kaplan-Meier product-limit method and the Cox proportional hazards model to determine rates and predictors of cerebrovascular events and death among valve disease patients.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Methods<\/jats:italic>\n            \u2014This population-based historical cohort study in Olmsted County, Minnesota, reviewed residents with a first echocardiographic diagnosis of mitral stenosis (n=19), mitral regurgitation (n=528), aortic stenosis (n=140), and aortic regurgitation (n=106) between 1985 and 1992.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Results<\/jats:italic>\n            \u2014During 2694 person-years of follow-up, 98 patients developed cerebrovascular events and 356 died. Compared with expected numbers, these observations are significantly elevated, with standardized morbidity ratio of 3.2 (95% CI, 2.6 to 3.8) and 2.5 (95% CI, 2.2 to 2.7), respectively. Independent predictors of cerebrovascular events were age, atrial fibrillation, and severe aortic stenosis. The risk ratio of severe aortic stenosis was 3.5 (95% CI, 1.4 to 8.6), with atrial fibrillation conferring greater risk at younger age. Predictors of death were age, sex, cerebrovascular events, ischemic heart disease, and congestive heart failure, the greatest risk being among those with both congestive heart failure and cerebrovascular events (risk ratio=8.8; 95% CI, 5.8 to 13.4). Valve disease type and severity were not independent determinants of death.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Conclusions<\/jats:italic>\n            \u2014The risk of cerebrovascular events and death among patients with valve disease remains high. Age, atrial fibrillation, and severe aortic stenosis are independent predictors of cerebrovascular events, and age, sex, cerebrovascular events, congestive heart failure, and ischemic heart disease are independent predictors of death in these patients.\n          <\/jats:p>","DOI":"10.1161\/01.str.31.11.2628","type":"journal-article","created":{"date-parts":[[2011,6,17]],"date-time":"2011-06-17T20:08:03Z","timestamp":1308341283000},"page":"2628-2635","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":54,"title":["Predictors of Cerebrovascular Events and Death Among Patients With Valvular Heart Disease"],"prefix":"10.1161","volume":"31","author":[{"given":"George W.","family":"Petty","sequence":"first","affiliation":[{"name":"From the Division of Cerebrovascular Diseases (G.W.P., D.O.W.), Division of Cardiovascular Diseases and Internal Medicine (B.K.K.), and Department of Health Sciences Research (J.P.W., J.D.S., W.M.O., D.O.W.), Mayo Clinic and Mayo Foundation, Rochester, Minn."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bijoy K.","family":"Khandheria","sequence":"additional","affiliation":[{"name":"From the Division of Cerebrovascular Diseases (G.W.P., D.O.W.), Division of Cardiovascular Diseases and Internal Medicine (B.K.K.), and Department of Health Sciences Research (J.P.W., J.D.S., W.M.O., D.O.W.), Mayo Clinic and Mayo Foundation, Rochester, Minn."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jack P.","family":"Whisnant","sequence":"additional","affiliation":[{"name":"From the Division of Cerebrovascular Diseases (G.W.P., D.O.W.), Division of Cardiovascular Diseases and Internal Medicine (B.K.K.), and Department of Health Sciences Research (J.P.W., J.D.S., W.M.O., D.O.W.), Mayo Clinic and Mayo Foundation, Rochester, Minn."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JoRean D.","family":"Sicks","sequence":"additional","affiliation":[{"name":"From the Division of Cerebrovascular Diseases (G.W.P., D.O.W.), Division of Cardiovascular Diseases and Internal Medicine (B.K.K.), and Department of Health Sciences Research (J.P.W., J.D.S., W.M.O., D.O.W.), Mayo Clinic and Mayo Foundation, Rochester, Minn."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W. 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