{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T13:22:23Z","timestamp":1791292943621,"version":"4.1.0"},"reference-count":13,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2009,2,4]],"date-time":"2009-02-04T00:00:00Z","timestamp":1233705600000},"content-version":"vor","delay-in-days":6275,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Cardiology"],"published-print":{"date-parts":[[1991,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Hospital records of 120 patients undergoing aortic valve replacement were retrospectively reviewed for risk factors associated with early aortic valve replacement. Patients were separated into four groups (rheumatic, congenital bicuspid, degenerative, and miscellaneous) based upon the morphologic etiology of aortic stenosis. Multiple regression analysis was performed using age at surgery as the dependent variable. Independent variables for the study were race, gender, systemic hypertension, total triglyceride level, total serum cholesterol level, tobacco smoking history, diabetes mellitus, and angiographic coronary artery disease. In the rheumatic valve group only <jats:italic>race<\/jats:italic> showed a statistically significant risk effect whereas in the congenital bicuspid valve group <jats:italic>race, gender<\/jats:italic>, and <jats:italic>triglycerides<\/jats:italic> were statistically correlated with age at surgery. In the degenerative valve group <jats:italic>gender<\/jats:italic> and <jats:italic>smoking<\/jats:italic> were found to be statistically significant risk factors. The establishment of aortic stenosis risk factors might be an indication for clinical trials of risk factor modification in patients with aortic stenosis.<\/jats:p>","DOI":"10.1002\/clc.4960141210","type":"journal-article","created":{"date-parts":[[2009,2,4]],"date-time":"2009-02-04T17:43:29Z","timestamp":1233769409000},"page":"995-999","source":"Crossref","is-referenced-by-count":189,"title":["Development and progression of aortic valve stenosis: Atherosclerosis risk factors\u2014a causal relationship? a clinical morphologic study"],"prefix":"10.1002","volume":"14","author":[{"given":"Emile R.","family":"Mohler","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Nichols","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W. P.","family":"Harvey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. 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