{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,25]],"date-time":"2026-01-25T08:32:42Z","timestamp":1769329962723,"version":"3.49.0"},"reference-count":29,"publisher":"The Korean Society of Cardiology","issue":"2","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"},{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"funder":[{"name":"Korean Society of Cardiology","award":["2009-05"],"award-info":[{"award-number":["2009-05"]}]}],"content-domain":{"domain":["synapse.koreamed.org"],"crossmark-restriction":false},"short-container-title":["Korean Circ J"],"published-print":{"date-parts":[[2016]]},"DOI":"10.4070\/kcj.2016.46.2.213","type":"journal-article","created":{"date-parts":[[2016,3,23]],"date-time":"2016-03-23T05:12:57Z","timestamp":1458709977000},"page":"213","update-policy":"https:\/\/doi.org\/10.4070\/crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Predicting Left Ventricular Dysfunction after Surgery in Patients with Chronic Mitral Regurgitation: Assessment of Myocardial Deformation by 2-Dimensional Multilayer Speckle Tracking Echocardiography"],"prefix":"10.4070","volume":"46","author":[{"given":"Eun Jeong","family":"Cho","sequence":"first","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine, Cardiovascular Imaging Center, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea."},{"name":"Division of Cardiology, Department of Internal Medicine, Cardiology Clinic, National Cancer Center, Goyang, Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sung-Ji","family":"Park","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine, Cardiovascular Imaging Center, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hye Rim","family":"Yun","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine, Cardiovascular Imaging Center, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dong Seop","family":"Jeong","sequence":"additional","affiliation":[{"name":"Department of Thorax Surgery, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sang-Chol","family":"Lee","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine, Cardiovascular Imaging Center, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seung Woo","family":"Park","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine, Cardiovascular Imaging Center, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pyo Won","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Thorax Surgery, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2524","reference":[{"key":"10.4070\/kcj.2016.46.2.213_ref1","doi-asserted-by":"crossref","first-page":"2451","DOI":"10.1093\/eurheartj\/ehs109","volume":"33","author":"Joint Task Force on the Management of Valvular Heart Disease of the European Society of Cardiology (ESC)","year":"2012","journal-title":"Eur Heart J"},{"key":"10.4070\/kcj.2016.46.2.213_ref2","doi-asserted-by":"crossref","first-page":"2438","DOI":"10.1016\/j.jacc.2014.02.537","volume":"63","author":"Nishimura","year":"2014","journal-title":"J Am Coll Cardiol"},{"key":"10.4070\/kcj.2016.46.2.213_ref3","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1093\/ehjci\/jes155","volume":"14","author":"Witkowski","year":"2013","journal-title":"Eur Heart J Cardiovasc Imaging"},{"key":"10.4070\/kcj.2016.46.2.213_ref4","doi-asserted-by":"crossref","first-page":"875","DOI":"10.1056\/NEJMoa041451","volume":"352","author":"Enriquez-Sarano","year":"2005","journal-title":"N Engl J Med"},{"key":"10.4070\/kcj.2016.46.2.213_ref5","doi-asserted-by":"crossref","first-page":"2238","DOI":"10.1161\/CIRCULATIONAHA.105.599175","volume":"113","author":"Rosenhek","year":"2006","journal-title":"Circulation"},{"key":"10.4070\/kcj.2016.46.2.213_ref6","doi-asserted-by":"crossref","first-page":"766","DOI":"10.1016\/j.echo.2012.04.009","volume":"25","author":"Mascle","year":"2012","journal-title":"J Am Soc Echocardiogr"},{"key":"10.4070\/kcj.2016.46.2.213_ref7","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1016\/j.jcmg.2007.12.005","volume":"1","author":"Grigioni","year":"2008","journal-title":"JACC Cardiovasc Imaging"},{"key":"10.4070\/kcj.2016.46.2.213_ref8","doi-asserted-by":"crossref","first-page":"804","DOI":"10.1161\/CIRCULATIONAHA.109.868083","volume":"121","author":"Enriquez-Sarano","year":"2010","journal-title":"Circulation"},{"key":"10.4070\/kcj.2016.46.2.213_ref9","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1016\/0735-1097(93)90840-W","volume":"22","author":"Starling","year":"1993","journal-title":"J Am Coll Cardiol"},{"key":"10.4070\/kcj.2016.46.2.213_ref10","doi-asserted-by":"crossref","first-page":"248","DOI":"10.1136\/hrt.45.3.248","volume":"45","author":"Greenbaum","year":"1981","journal-title":"Br Heart J"},{"key":"10.4070\/kcj.2016.46.2.213_ref11","doi-asserted-by":"crossref","first-page":"1138","DOI":"10.1016\/j.echo.2008.07.016","volume":"21","author":"Mizuguchi","year":"2008","journal-title":"J Am Soc Echocardiogr"},{"key":"10.4070\/kcj.2016.46.2.213_ref12","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1053\/ajkd.2003.50007","volume":"41","author":"Coresh","year":"2003","journal-title":"Am J Kidney Dis"},{"key":"10.4070\/kcj.2016.46.2.213_ref13","doi-asserted-by":"crossref","first-page":"859","DOI":"10.1093\/eurjhf\/hft048","volume":"15","author":"Luchner","year":"2013","journal-title":"Eur J Heart Fail"},{"key":"10.4070\/kcj.2016.46.2.213_ref14","doi-asserted-by":"crossref","first-page":"221","DOI":"10.2217\/bmm.12.100","volume":"7","author":"Banovic","year":"2013","journal-title":"Biomark Med"},{"key":"10.4070\/kcj.2016.46.2.213_ref15","doi-asserted-by":"crossref","first-page":"1440","DOI":"10.1016\/j.echo.2005.10.005","volume":"18","author":"Lang","year":"2005","journal-title":"J Am Soc Echocardiogr"},{"key":"10.4070\/kcj.2016.46.2.213_ref16","doi-asserted-by":"crossref","first-page":"474","DOI":"10.1016\/S0735-1097(97)88335-0","volume":"30","author":"Sohn","year":"1997","journal-title":"J Am Coll Cardiol"},{"key":"10.4070\/kcj.2016.46.2.213_ref17","doi-asserted-by":"crossref","first-page":"777","DOI":"10.1016\/S0894-7317(03)00335-3","volume":"16","author":"Zoghbi","year":"2003","journal-title":"J Am Soc Echocardiogr"},{"key":"10.4070\/kcj.2016.46.2.213_ref18","doi-asserted-by":"crossref","first-page":"712","DOI":"10.1161\/01.CIR.84.2.712","volume":"84","author":"Chen","year":"1991","journal-title":"Circulation"},{"key":"10.4070\/kcj.2016.46.2.213_ref19","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1093\/ejechocard\/jen238","volume":"10","author":"Adamu","year":"2009","journal-title":"Eur J Echocardiogr"},{"key":"10.4070\/kcj.2016.46.2.213_ref20","doi-asserted-by":"crossref","first-page":"1071","DOI":"10.1016\/j.jtcvs.2008.10.026","volume":"137","author":"Suri","year":"2009","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.4070\/kcj.2016.46.2.213_ref21","doi-asserted-by":"crossref","first-page":"458","DOI":"10.1016\/S0735-1097(03)00649-1","volume":"42","author":"Matsumura","year":"2003","journal-title":"J Am Coll Cardiol"},{"key":"10.4070\/kcj.2016.46.2.213_ref22","doi-asserted-by":"crossref","first-page":"671","DOI":"10.1016\/j.jacc.2009.08.074","volume":"55","author":"Ahmed","year":"2010","journal-title":"J Am Coll Cardiol"},{"key":"10.4070\/kcj.2016.46.2.213_ref23","doi-asserted-by":"crossref","first-page":"831","DOI":"10.1016\/j.echo.2009.04.016","volume":"22","author":"de Isla","year":"2009","journal-title":"J Am Soc Echocardiogr"},{"key":"10.4070\/kcj.2016.46.2.213_ref24","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1016\/j.ahj.2008.10.004","volume":"157","author":"Kim","year":"2009","journal-title":"Am Heart J"},{"key":"10.4070\/kcj.2016.46.2.213_ref25","doi-asserted-by":"crossref","first-page":"754","DOI":"10.1016\/j.athoracsur.2011.11.034","volume":"93","author":"Witkowski","year":"2012","journal-title":"Ann Thorac Surg"},{"key":"10.4070\/kcj.2016.46.2.213_ref26","doi-asserted-by":"crossref","first-page":"539","DOI":"10.1016\/j.echo.2006.10.013","volume":"20","author":"Sengupta","year":"2007","journal-title":"J Am Soc Echocardiogr"},{"key":"10.4070\/kcj.2016.46.2.213_ref27","doi-asserted-by":"crossref","first-page":"H1072","DOI":"10.1152\/ajpheart.00874.2001","volume":"283","author":"Vendelin","year":"2002","journal-title":"Am J Physiol Heart Circ Physiol"},{"key":"10.4070\/kcj.2016.46.2.213_ref28","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1016\/j.echo.2009.10.004","volume":"23","author":"Leitman","year":"2010","journal-title":"J Am Soc Echocardiogr"},{"key":"10.4070\/kcj.2016.46.2.213_ref29","first-page":"53","volume":"45","author":"Manaka","year":"2005","journal-title":"J Cardiol"}],"container-title":["Korean Circulation Journal"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/synapse.koreamed.org\/pdf\/10.4070\/kcj.2016.46.2.213","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/synapse.koreamed.org\/DOIx.php?id=10.4070\/kcj.2016.46.2.213","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/e-kcj.org\/DOIx.php?id=10.4070\/kcj.2016.46.2.213","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,5,15]],"date-time":"2020-05-15T07:14:59Z","timestamp":1589526899000},"score":1,"resource":{"primary":{"URL":"https:\/\/e-kcj.org\/DOIx.php?id=10.4070\/kcj.2016.46.2.213"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016]]},"references-count":29,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2016]]}},"URL":"https:\/\/doi.org\/10.4070\/kcj.2016.46.2.213","relation":{},"ISSN":["1738-5520","1738-5555"],"issn-type":[{"value":"1738-5520","type":"print"},{"value":"1738-5555","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016]]},"assertion":[{"value":"https:\/\/synapse.koreamed.org\/DOIx.php?id=10.4070\/kcj.2016.46.2.213","URL":"https:\/\/synapse.koreamed.org\/DOIx.php?id=10.4070\/kcj.2016.46.2.213","name":"synapse","label":"Synapse","group":{"name":"multiple_resolution","label":"Full text available at:"}},{"value":"http:\/\/e-kcj.org\/DOIx.php?id=10.4070\/kcj.2016.46.2.213","URL":"http:\/\/e-kcj.org\/DOIx.php?id=10.4070\/kcj.2016.46.2.213","name":"the_journal","label":"the Journal","group":{"name":"multiple_resolution","label":"Full text available at:"}},{"value":"2015-03-30","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2015-07-11","name":"revised","label":"Revised","group":{"name":"publication_history","label":"Publication History"}},{"value":"2015-07-21","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2016-03-21","name":"published_online","label":"Published online","group":{"name":"publication_history","label":"Publication History"}},{"value":"Copyright \u00a9 2016 The Korean Society of Cardiology","name":"copyright","label":"Copyright","group":{"name":"Copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.","name":"license","label":"License","explanation":{"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"},"group":{"name":"Copyright_and_licensing","label":"Copyright and Licensing"}}]}}