{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T06:06:53Z","timestamp":1760249213579},"reference-count":13,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2009,2,4]],"date-time":"2009-02-04T00:00:00Z","timestamp":1233705600000},"content-version":"vor","delay-in-days":5513,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Cardiology"],"published-print":{"date-parts":[[1994,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>This two\u2010part article discusses the general morphologic assessment of operatively excised cardiac valves and applies these principles to functional classifications. All cardiac valves are categorized into <jats:italic>stenotic and purely regurgitant<\/jats:italic> (no element of stenosis) groups based upon structural features: presence or absence of commissural fusion, calcific deposits, and degree and location of fibrosis. Of 2980 operatively excised cardiac valves reviewed between 1962 and 1992, the most common lesion was aortic stenosis, followed by mitral stenosis and the combination of aortic and mitral stenosis.<\/jats:p>","DOI":"10.1002\/clc.4960170110","type":"journal-article","created":{"date-parts":[[2009,2,4]],"date-time":"2009-02-04T06:45:28Z","timestamp":1233729928000},"page":"41-46","source":"Crossref","is-referenced-by-count":12,"title":["General concepts in the morphologic assessment of operatively excised cardiac valves\u2014part I"],"prefix":"10.1002","volume":"17","author":[{"given":"Bruce","family":"Waller","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jane","family":"Howard","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephen","family":"Fess","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2009,2,4]]},"reference":[{"key":"e_1_2_1_2_2","first-page":"309","article-title":"Cardiac valves and the surgical pathologist","volume":"82","author":"Roberts WC","year":"1966","journal-title":"Arch Pathol"},{"key":"e_1_2_1_3_2","first-page":"18","volume-title":"Pathology of Cardiac Valves","author":"Davies MJ","year":"1980"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0025-6196(12)62057-6"},{"key":"e_1_2_1_5_2","doi-asserted-by":"crossref","first-page":"687","DOI":"10.1016\/S0733-8651(18)30719-7","article-title":"Evaluation of operatively\u2010excised cardiac valves: Etiologic determination of valvular heart disease","volume":"2","author":"Waller BF","year":"1984","journal-title":"Cardiol Clin"},{"key":"e_1_2_1_6_2","first-page":"293","article-title":"Morphologic assessment of operatively\u2010excised native cardiac valves","volume":"4","author":"Waller BF","year":"1985","journal-title":"Indiana Medicine"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.37.6.973"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1378\/chest.75.3.399"},{"key":"e_1_2_1_9_2","first-page":"1","volume-title":"Clinical Cardiovascular Physiology","author":"Roberts WC","year":"1976"},{"key":"e_1_2_1_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(86)80224-8"},{"key":"e_1_2_1_11_2","first-page":"53","volume-title":"The Right Heart","author":"Waller BF","year":"1986"},{"key":"e_1_2_1_12_2","first-page":"385","article-title":"Etiology of acquired valvular heart disease in adults. 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