{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T11:37:44Z","timestamp":1787312264252,"version":"build-2736575974"},"reference-count":27,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2019,5,1]],"date-time":"2019-05-01T00:00:00Z","timestamp":1556668800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2019,5,1]],"date-time":"2019-05-01T00:00:00Z","timestamp":1556668800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,5,1]],"date-time":"2021-05-01T00:00:00Z","timestamp":1619827200000},"content-version":"vor","delay-in-days":731,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/100001316","name":"Abbott Laboratories","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100001316","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004374","name":"Medtronic","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004374","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","jtcvsonline.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Thoracic and Cardiovascular Surgery"],"published-print":{"date-parts":[[2019,5]]},"DOI":"10.1016\/j.jtcvs.2018.11.099","type":"journal-article","created":{"date-parts":[[2018,12,11]],"date-time":"2018-12-11T12:09:46Z","timestamp":1544530186000},"page":"1851-1860.e1","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":9,"title":["Cluster analysis of preoperative echocardiographic findings and outcomes following left ventricular device implantation"],"prefix":"10.1016","volume":"157","author":[{"given":"Paul C.","family":"Tang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan W.","family":"Haft","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew A.","family":"Romano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abbas","family":"Bitar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reema","family":"Hasan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maryse","family":"Palardy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoting","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keith","family":"Aaronson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francis D.","family":"Pagani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.jtcvs.2018.11.099_bib1","doi-asserted-by":"crossref","first-page":"440","DOI":"10.1056\/NEJMoa1610426","article-title":"A fully magnetically levitated circulatory pump for advanced heart failure","volume":"376","author":"Mehra","year":"2017","journal-title":"N Engl J Med"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib2","doi-asserted-by":"crossref","first-page":"451","DOI":"10.1056\/NEJMoa1602954","article-title":"Intrapericardial left ventricular assist device for advanced heart failure","volume":"376","author":"Rogers","year":"2017","journal-title":"N Engl J Med"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib3","doi-asserted-by":"crossref","first-page":"1316","DOI":"10.1016\/j.jtcvs.2009.11.020","article-title":"Right ventricular failure in patients with the HeartMate II continuous-flow left ventricular assist device: incidence, risk factors, and effect on outcomes","volume":"139","author":"Kormos","year":"2010","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib4","doi-asserted-by":"crossref","first-page":"828","DOI":"10.1093\/icvts\/ivw409","article-title":"Contemporary outcome of unplanned right ventricular assist device for severe right heart failure after continuous-flow left ventricular assist device insertion","volume":"24","author":"Yoshioka","year":"2017","journal-title":"Interact Cardiovasc Thorac Surg"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib5","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1016\/j.healun.2013.06.025","article-title":"Outcome of unplanned right ventricular assist device support for severe right heart failure after implantable left ventricular assist device insertion","volume":"33","author":"Takeda","year":"2014","journal-title":"J Heart Lung Transplant"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib6","doi-asserted-by":"crossref","first-page":"1595","DOI":"10.1016\/j.healun.2015.05.005","article-title":"Validation of clinical scores for right ventricular failure prediction after implantation of continuous-flow left ventricular assist devices","volume":"34","author":"Kalogeropoulos","year":"2015","journal-title":"J Heart Lung Transplant"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib7","doi-asserted-by":"crossref","first-page":"215","DOI":"10.1161\/CIRCHEARTFAILURE.113.000473","article-title":"Valvular heart disease in patients supported with left ventricular assist devices","volume":"7","author":"Wang","year":"2014","journal-title":"Circ Heart Fail"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib8","doi-asserted-by":"crossref","first-page":"469","DOI":"10.1097\/MAT.0b013e31829be026","article-title":"Mitral valve repair at the time of continuous-flow left ventricular assist device implantation confers meaningful decrement in pulmonary vascular resistance","volume":"59","author":"Taghavi","year":"2013","journal-title":"ASAIO J"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib9","doi-asserted-by":"crossref","first-page":"1233","DOI":"10.1016\/j.healun.2014.06.008","article-title":"Consequences of aortic insufficiency during long-term axial continuous-flow left ventricular assist device support","volume":"33","author":"Cowger","year":"2014","journal-title":"J Heart Lung Transplant"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib10","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1016\/j.jcmg.2010.10.012","article-title":"Echocardiographic predictors of adverse outcomes after continuous left ventricular assist device implantation","volume":"4","author":"Topilsky","year":"2011","journal-title":"JACC Cardiovasc Imaging"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib11","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1186\/1471-2288-14-113","article-title":"A comparison of three clustering methods for finding subgroups in MRI, SMS or clinical data: SPSS TwoStep Cluster analysis, Latent Gold and SNOB","volume":"14","author":"Kent","year":"2014","journal-title":"BMC Med Res Methodol"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib12","doi-asserted-by":"crossref","first-page":"521","DOI":"10.1111\/1541-0420.00062","article-title":"Bayesian approach for joint modeling of cluster size and subunit-specific outcomes","volume":"59","author":"Dunson","year":"2003","journal-title":"Biometrics"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib13","series-title":"A Robust and Scalable Clustering Algorithm for Mixed Type Attributes in Large Database Environment","first-page":"263","author":"Chiu","year":"2001"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib14","doi-asserted-by":"crossref","first-page":"578","DOI":"10.1093\/comjnl\/41.8.578","article-title":"How many clusters? Which clustering method? Answers via model-based cluster analysis","volume":"41","author":"Fraley","year":"1998","journal-title":"Computer J"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib15","doi-asserted-by":"crossref","first-page":"574","DOI":"10.1097\/MAT.0b013e31826e4267","article-title":"Left ventricular reverse remodeling with a continuous flow left ventricular assist device measured by left ventricular end-diastolic dimensions and severity of mitral regurgitation","volume":"58","author":"Morgan","year":"2012","journal-title":"ASAIO J"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib16","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1016\/j.healun.2012.09.013","article-title":"The 2013 International Society for Heart and Lung Transplantation guidelines for mechanical circulatory support: executive summary","volume":"32","author":"Feldman","year":"2013","journal-title":"J Heart Lung Transplant"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib17","doi-asserted-by":"crossref","first-page":"405","DOI":"10.1097\/MAT.0b013e31829ff57d","article-title":"Mitral regurgitation and axial flow left ventricular assist device: a computer simulation study","volume":"59","author":"Jelenc","year":"2013","journal-title":"ASAIO J"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib18","doi-asserted-by":"crossref","first-page":"620","DOI":"10.1093\/icvts\/ivx223","article-title":"Impact of concomitant mitral valve repair for severe mitral regurgitation at the time of continuous-flow left ventricular assist device insertion","volume":"25","author":"Sandoval","year":"2017","journal-title":"Interact Cardiovasc Thorac Surg"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib19","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1016\/j.healun.2017.09.016","article-title":"Concomitant mitral valve procedures in patients undergoing implantation of continuous-flow left ventricular assist devices: an INTERMACS database analysis","volume":"37","author":"Robertson","year":"2018","journal-title":"J Heart Lung Transplant"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib20","doi-asserted-by":"crossref","first-page":"1373","DOI":"10.1016\/j.jtcvs.2012.11.066","article-title":"Natural history and clinical effect of aortic valve regurgitation after left ventricular assist device implantation","volume":"145","author":"Rajagopal","year":"2013","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib21","doi-asserted-by":"crossref","first-page":"1342","DOI":"10.1016\/j.athoracsur.2011.01.053","article-title":"Impact of tricuspid valve regurgitation in patients treated with implantable left ventricular assist devices","volume":"91","author":"Piacentino","year":"2011","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib22","doi-asserted-by":"crossref","first-page":"1275","DOI":"10.1016\/j.healun.2008.08.012","article-title":"Tricuspid incompetence and geometry of the right ventricle as predictors of right ventricular function after implantation of a left ventricular assist device","volume":"27","author":"Potapov","year":"2008","journal-title":"J Heart Lung Transplant"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib23","doi-asserted-by":"crossref","first-page":"E881","DOI":"10.1016\/S0735-1097(12)60882-1","article-title":"Tricuspid repair at the time of lvad implantation is associated with improved survival","volume":"59","author":"El Atrache","year":"2012","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib24","doi-asserted-by":"crossref","first-page":"1370","DOI":"10.1016\/j.jtcvs.2011.07.014","article-title":"Surgical treatment of tricuspid valve insufficiency promotes early reverse remodeling in patients with axial-flow left ventricular assist devices","volume":"143","author":"Maltais","year":"2012","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib25","doi-asserted-by":"crossref","first-page":"e0132808","DOI":"10.1371\/journal.pone.0132808","article-title":"Reduced right ventricular function predicts long-term cardiac re-hospitalization after cardiac surgery","volume":"10","author":"Lella","year":"2015","journal-title":"PLoS One"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib26","doi-asserted-by":"crossref","first-page":"1604","DOI":"10.1016\/j.healun.2015.05.024","article-title":"Late-onset right ventricular dysfunction after mechanical support by a continuous-flow left ventricular assist device","volume":"34","author":"Kapelios","year":"2015","journal-title":"J Heart Lung Transplant"},{"key":"10.1016\/j.jtcvs.2018.11.099_bib27","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1016\/j.healun.2009.11.599","article-title":"Effects of the HeartMate II continuous-flow left ventricular assist device on right ventricular function","volume":"29","author":"Lee","year":"2010","journal-title":"J Heart Lung Transplant"}],"container-title":["The Journal of Thoracic and Cardiovascular Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S002252231833246X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S002252231833246X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T16:57:25Z","timestamp":1758387445000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S002252231833246X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,5]]},"references-count":27,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2019,5]]}},"alternative-id":["S002252231833246X"],"URL":"https:\/\/doi.org\/10.1016\/j.jtcvs.2018.11.099","relation":{},"ISSN":["0022-5223"],"issn-type":[{"value":"0022-5223","type":"print"}],"subject":[],"published":{"date-parts":[[2019,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Cluster analysis of preoperative echocardiographic findings and outcomes following left ventricular device implantation","name":"articletitle","label":"Article Title"},{"value":"The Journal of Thoracic and Cardiovascular Surgery","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jtcvs.2018.11.099","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Published by Elsevier Inc. on behalf of The American Association for Thoracic Surgery","name":"copyright","label":"Copyright"}]}}