{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,9,27]],"date-time":"2023-09-27T18:12:50Z","timestamp":1695838370216},"reference-count":4,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2005,10,25]],"date-time":"2005-10-25T00:00:00Z","timestamp":1130198400000},"content-version":"vor","delay-in-days":7968,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cathet. Cardiovasc. Diagn."],"published-print":{"date-parts":[[1984,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In 15 patients (group 1) with isolated mitral stenosis and in 14 patients (group 2) with isolated aortic stenosis the stenotic valve areas were calculated according to: (A) Gorlin's formula; (B) Hakki's simplified formula, using mean mitral gradient by planimetry or peak\u2010to\u2010peak aortic gradient; (C) the three\u2010point simplified formula, using mean gradient calculated by the three\u2010point method for both mitral and aortic valve.<\/jats:p><jats:p>The three\u2010point method is definitely easier to use than planimetry.<\/jats:p><jats:p>The values (mean \u00b1 SD) of mitral valve areas in group 1 patients were, respectively: (A) 1.56 \u00b1 0.63 cm<jats:sup>2<\/jats:sup>; (B) 1.56 \u00b1 0.55; (C) 1.51 \u00b1 0.53. The values of aortic valve areas in group 2 patients were: (A) 0.91 \u00b1 0.63; (B) 0.77 \u00b1 0.41; (C) 0.88 \u00b1 0.52. An excellent correlation was shown between the valve area calculated by Gorlin's formula and both Hakki's simplified formula and the three\u2010point simplified formula. For aortic valve area the correlation is even better if the mean gradient by the three\u2010point method is used instead of the peak\u2010to\u2010peak gradient.<\/jats:p><jats:p>On the basis of the simplified formula, a nomogram was constructed which allows an immediate calculation of valve areas from cardiac output and transvalvular gradient.<\/jats:p>","DOI":"10.1002\/ccd.1810100614","type":"journal-article","created":{"date-parts":[[2007,3,1]],"date-time":"2007-03-01T11:23:21Z","timestamp":1172748201000},"page":"613-618","source":"Crossref","is-referenced-by-count":2,"title":["Nomogram for calculation of stenotic cardiac valve areas from cardiac output and mean transvalvular gradient"],"prefix":"10.1002","volume":"10","author":[{"given":"Antonio","family":"Nigri","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugenio","family":"Martuscelli","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Enrico","family":"Mangieri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paolo","family":"Voci","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alessandro","family":"Danesi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rino","family":"Sardella","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luciano","family":"Feroci","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Attilio","family":"Reale","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,10,25]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.63.5.1050"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/0002-8703(51)90002-6"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/0002-8703(72)90080-4"},{"key":"e_1_2_1_5_2","first-page":"44","volume-title":"From Cardiac Catheterization Data to Hemodynamic Parameters","author":"Yang SS","year":"1978"}],"container-title":["Catheterization and Cardiovascular Diagnosis"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fccd.1810100614","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ccd.1810100614","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,26]],"date-time":"2023-09-26T23:13:34Z","timestamp":1695770014000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ccd.1810100614"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1984,1]]},"references-count":4,"journal-issue":{"issue":"6","published-print":{"date-parts":[[1984,1]]}},"alternative-id":["10.1002\/ccd.1810100614"],"URL":"https:\/\/doi.org\/10.1002\/ccd.1810100614","archive":["Portico"],"relation":{},"ISSN":["0098-6569","1097-0304"],"issn-type":[{"value":"0098-6569","type":"print"},{"value":"1097-0304","type":"electronic"}],"subject":[],"published":{"date-parts":[[1984,1]]}}}