{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T00:51:29Z","timestamp":1774572689197,"version":"3.50.1"},"reference-count":22,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[2009,1,1]],"date-time":"2009-01-01T00:00:00Z","timestamp":1230768000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2009,1,1]],"date-time":"2009-01-01T00:00:00Z","timestamp":1230768000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","onlinejase.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of the American Society of Echocardiography"],"published-print":{"date-parts":[[2009,1]]},"DOI":"10.1016\/j.echo.2008.11.007","type":"journal-article","created":{"date-parts":[[2009,1,7]],"date-time":"2009-01-07T09:25:21Z","timestamp":1231320321000},"page":"42-47","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":19,"title":["Impact of Cardiac Rhythm on Mitral Valve Area Calculated by the Pressure Half Time Method in Patients With Moderate or Severe Mitral Stenosis"],"prefix":"10.1016","volume":"22","author":[{"given":"Hyung-Kwan","family":"Kim","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong-Jin","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sung-A.","family":"Chang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dae-Hee","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dae-Won","family":"Sohn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Byung-Hee","family":"Oh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Young-Bae","family":"Park","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.echo.2008.11.007_bib1","doi-asserted-by":"crossref","first-page":"120","DOI":"10.1161\/01.CIR.55.1.120","article-title":"Two-dimensional echocardiographic assessment of mitral stenosis","volume":"55","author":"Nichol","year":"1977","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2008.11.007_bib2","doi-asserted-by":"crossref","first-page":"560","DOI":"10.1016\/0002-9149(79)90014-6","article-title":"Reliability and reproducibility of two dimensional echocardiograph measurement of the stenotic mitral valve orifice area","volume":"43","author":"Martin","year":"1979","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib3","doi-asserted-by":"crossref","first-page":"1096","DOI":"10.1161\/01.CIR.60.5.1096","article-title":"Noninvasive assessment of atrioventricular pressure half-time by Doppler ultrasound","volume":"60","author":"Hatle","year":"1979","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2008.11.007_bib4","doi-asserted-by":"crossref","first-page":"396","DOI":"10.1016\/0735-1097(90)90592-D","article-title":"Aortic regurgitation shortens Doppler pressure half-time in mitral stenosis: clinical evidence, in vitro simulation and theoretic analysis","volume":"16","author":"Flachskampf","year":"1990","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib5","doi-asserted-by":"crossref","first-page":"703","DOI":"10.1016\/j.ahj.2003.12.043","article-title":"Does chronic mitral regurgitation influence Doppler pressure half-time-derived calculation of the mitral valve area in patients with mitral stenosis?","volume":"148","author":"Mohan","year":"2004","journal-title":"Am Heart J"},{"key":"10.1016\/j.echo.2008.11.007_bib6","doi-asserted-by":"crossref","first-page":"152","DOI":"10.1093\/oxfordjournals.eurheartj.a060139","article-title":"Effect of heart rate on transmitral flow velocity profile and Doppler measurements of mitral valve area in patients with mitral stenosis","volume":"13","author":"Voelker","year":"1992","journal-title":"Eur Heart J"},{"key":"10.1016\/j.echo.2008.11.007_bib7","doi-asserted-by":"crossref","first-page":"594","DOI":"10.1016\/0735-1097(89)90599-8","article-title":"Reassessment of valve area determinations in mitral stenosis by the pressure half-time method: impact of left ventricular stiffness and peak diastolic pressure difference","volume":"13","author":"Karp","year":"1989","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib8","doi-asserted-by":"crossref","first-page":"980","DOI":"10.1161\/01.CIR.78.4.980","article-title":"Inaccuracy of mitral pressure half-time immediately after percutaneous mitral valvotomy","volume":"78","author":"Thomas","year":"1988","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2008.11.007_bib9","doi-asserted-by":"crossref","first-page":"384","DOI":"10.1016\/0002-9149(89)90360-3","article-title":"Effect of pregnancy on pressure gradient in mitral stenosis","volume":"63","author":"Bryg","year":"1989","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib10","doi-asserted-by":"crossref","first-page":"2378","DOI":"10.1161\/01.CIR.102.19.2378","article-title":"impact of atrioventricular compliance on pulmonary artery pressure in mitral stenosis: an exercise echocardiographic study","volume":"102","author":"Schwammenthal","year":"2000","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2008.11.007_bib11","doi-asserted-by":"crossref","first-page":"432","DOI":"10.1016\/j.amjcard.2005.03.094","article-title":"Usefulness of measuring net atrioventricular compliance by Doppler echocardiography in patients with mitral stenosis","volume":"96","author":"Li","year":"2005","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib12","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1161\/01.CIR.12.1.69","article-title":"The hemodynamics of the left side of the heart as studied by simultaneous left atrial, left ventricular, and aortic pressures; particular reference to mitral stenosis","volume":"12","author":"Braunwald","year":"1955","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2008.11.007_bib13","doi-asserted-by":"crossref","first-page":"1153","DOI":"10.1016\/j.amjcard.2007.04.060","article-title":"Echocadiographic and hemodynamic findings in patients with mitral stenosis having percutaneous mitral commissurotomy comparing those with chronic atrial fibrillation versus those with normal sinus rhythm","volume":"100","author":"Kim","year":"2007","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib14","doi-asserted-by":"crossref","first-page":"1190","DOI":"10.1016\/S0735-1097(96)00326-9","article-title":"Measurement of mitral valve area in mitral stenosis: four echocardiographic methods compared with direct measurement of anatomic orifices","volume":"28","author":"Faletra","year":"1996","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib15","doi-asserted-by":"crossref","first-page":"78","DOI":"10.1161\/01.CIR.77.1.78","article-title":"Value and limitations of Doppler echocardiography in the quantification of stenotic mitral valve area: comparison of the pressure half-time and the continuity equation methods","volume":"77","author":"Nakatani","year":"1988","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2008.11.007_bib16","doi-asserted-by":"crossref","first-page":"998","DOI":"10.1016\/0735-1097(92)90284-T","article-title":"Calculation of atrioventricular compliance from the mitral flow profile: analytical and in vitro study","volume":"19","author":"Flachskampf","year":"1992","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib17","doi-asserted-by":"crossref","first-page":"482","DOI":"10.1016\/j.echo.2007.08.024","article-title":"Hemodynamic and prognostic implications of net atrioventricular compliance in patients with mitral stenosis","volume":"21","author":"Kim","year":"2008","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2008.11.007_bib18","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1016\/S0140-6736(86)90837-8","article-title":"Statistical methods for assessing agreement between two methods of clinical measurement","volume":"1","author":"Bland","year":"1986","journal-title":"Lancet"},{"key":"10.1016\/j.echo.2008.11.007_bib19","doi-asserted-by":"crossref","first-page":"923","DOI":"10.1016\/S0735-1097(87)80290-5","article-title":"Doppler mitral pressure half-time: a clinical tool in search of theoretical justification","volume":"10","author":"Thomas","year":"1987","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.echo.2008.11.007_bib20","first-page":"150","article-title":"Cross-sectional echocardiography","author":"Weyman","year":"1982"},{"key":"10.1016\/j.echo.2008.11.007_bib21","doi-asserted-by":"crossref","first-page":"1170","DOI":"10.1161\/01.CIR.71.6.1170","article-title":"Hydraulic estimation of stenotic orifice area: a correction of the Gorlin formula","volume":"71","author":"Cannon","year":"1985","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2008.11.007_bib22","doi-asserted-by":"crossref","first-page":"117","DOI":"10.1136\/hrt.55.2.117","article-title":"Assessing the severity of valve stenosis","volume":"55","author":"Odemuyiwa","year":"1986","journal-title":"Br Heart J"}],"container-title":["Journal of the American Society of Echocardiography"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0894731708006652?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0894731708006652?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:43:39Z","timestamp":1760244219000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0894731708006652"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,1]]},"references-count":22,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2009,1]]}},"alternative-id":["S0894731708006652"],"URL":"https:\/\/doi.org\/10.1016\/j.echo.2008.11.007","relation":{},"ISSN":["0894-7317"],"issn-type":[{"value":"0894-7317","type":"print"}],"subject":[],"published":{"date-parts":[[2009,1]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Impact of Cardiac Rhythm on Mitral Valve Area Calculated by the Pressure Half Time Method in Patients With Moderate or Severe Mitral Stenosis","name":"articletitle","label":"Article Title"},{"value":"Journal of the American Society of Echocardiography","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.echo.2008.11.007","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2009 American Society of Echocardiography. Published by Mosby, Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}