{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T01:54:01Z","timestamp":1789523641361,"version":"build-2803163510"},"reference-count":24,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,9,23]],"date-time":"2021-09-23T00:00:00Z","timestamp":1632355200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["DGE-1656518"],"award-info":[{"award-number":["DGE-1656518"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["ECCS-1542152"],"award-info":[{"award-number":["ECCS-1542152"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01 HL089315-01"],"award-info":[{"award-number":["R01 HL089315-01"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["NIH R01 HL152155"],"award-info":[{"award-number":["NIH R01 HL152155"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100010261","name":"Thoracic Surgery Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100010261","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["jtcvsopen.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["JTCVS Open"],"published-print":{"date-parts":[[2021,12]]},"DOI":"10.1016\/j.xjon.2021.07.040","type":"journal-article","created":{"date-parts":[[2021,9,29]],"date-time":"2021-09-29T08:38:54Z","timestamp":1632904734000},"page":"263-275","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":12,"special_numbering":"C","title":["Biomechanical engineering analysis of commonly utilized mitral neochordae"],"prefix":"10.1016","volume":"8","author":[{"given":"Mateo","family":"Marin-Cuartas","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Annabel M.","family":"Imbrie-Moore","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuanjia","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew H.","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Wilkerson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew","family":"Leipzig","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael A.","family":"Borger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y. Joseph","family":"Woo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.xjon.2021.07.040_bib1","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/j.medengphy.2019.09.014","article-title":"The neochord mitral valve repair procedure: numerical simulation of different neochords tensioning protocols","volume":"74","author":"Di Micco","year":"2019","journal-title":"Med Eng Phys"},{"key":"10.1016\/j.xjon.2021.07.040_bib2","doi-asserted-by":"crossref","first-page":"106","DOI":"10.1053\/j.optechstcvs.2015.10.003","article-title":"Myxomatous mitral valve repair: loop neochord technique","volume":"20","author":"Neely","year":"2015","journal-title":"Oper Tech Thorac Cardiovasc Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib3","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1053\/j.optechstcvs.2008.03.004","article-title":"Gore-tex loop implantation for mitral valve prolapse: the Leipzig loop technique","volume":"13","author":"Seeburger","year":"2008","journal-title":"Op Tech Thorac Cardiovasc Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib4","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1053\/j.optechstcvs.2005.08.003","article-title":"A new paradigm for the repair of posterior leaflet prolapse: respect rather than resect","volume":"10","author":"Perier","year":"2005","journal-title":"Oper Tech Thorac Cardiovasc Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib5","series-title":"Biologic & Bioprosthetic Valves","first-page":"772","article-title":"Replacement of chordae tendineae of the mitral valve using the new expanded PTFE suture in sheep","author":"Vetter","year":"1986"},{"key":"10.1016\/j.xjon.2021.07.040_bib6","doi-asserted-by":"crossref","first-page":"286","DOI":"10.1111\/j.1540-8191.1989.tb00291.x","article-title":"Replacement of chordae tendineae with expanded polytetrafluoroethylene sutures","volume":"4","author":"David","year":"1989","journal-title":"J Card Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib7","doi-asserted-by":"crossref","first-page":"2166","DOI":"10.1016\/S0003-4975(00)02047-6","article-title":"Chordal replacement for both minimally invasive and conventional mitral valve surgery using premeasured Gore-Tex loops","volume":"70","author":"Von Oppell","year":"2000","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib8","doi-asserted-by":"crossref","first-page":"1163","DOI":"10.1016\/j.athoracsur.2009.12.057","article-title":"Chordal replacement versus quadrangular resection for repair of isolated posterior mitral leaflet prolapse","volume":"89","author":"Lange","year":"2010","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib9","article-title":"Predictors of failure of mitral valve repair using artificial chordae","author":"Mutsuga","year":"2021","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib10","first-page":"156","article-title":"Techniques for ensuring the correct length of new mitral chords","volume":"12","author":"Duran","year":"2003","journal-title":"J Heart Valve Dis"},{"key":"10.1016\/j.xjon.2021.07.040_bib11","doi-asserted-by":"crossref","first-page":"241","DOI":"10.1007\/s10741-006-0103-7","article-title":"Current concepts in mitral valve repair for degenerative disease","volume":"11","author":"Adams","year":"2006","journal-title":"Heart Fail Rev"},{"key":"10.1016\/j.xjon.2021.07.040_bib12","doi-asserted-by":"crossref","first-page":"1958","DOI":"10.1093\/eurheartj\/ehq222","article-title":"Degenerative mitral valve regurgitation: best practice revolution","volume":"31","author":"Adams","year":"2010","journal-title":"Eur Heart J"},{"key":"10.1016\/j.xjon.2021.07.040_bib13","doi-asserted-by":"crossref","first-page":"1303","DOI":"10.1016\/j.jtcvs.2015.07.014","article-title":"Biomechanical drawbacks of different techniques of mitral neochordal implantation: when an apparently optimal repair can fail","volume":"150","author":"Sturla","year":"2015","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib14","article-title":"How to create patient-specific loops for correcting mitral valve prolapse through a minimally invasive approach","volume":"2019","author":"Fortunato","year":"2019","journal-title":"Multimed Man Cardiothorac Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib15","doi-asserted-by":"crossref","first-page":"1","DOI":"10.18637\/jss.v067.i01","article-title":"Fitting linear mixed-effects models using lme4","volume":"67","author":"Bates","year":"2015","journal-title":"J Stat Softw"},{"key":"10.1016\/j.xjon.2021.07.040_bib16","doi-asserted-by":"crossref","first-page":"1","DOI":"10.18637\/jss.v082.i13","article-title":"lmerTest package: tests in linear mixed effects models","volume":"82","author":"Kuznetsova","year":"2017","journal-title":"J Stat Softw"},{"key":"10.1016\/j.xjon.2021.07.040_bib17","doi-asserted-by":"crossref","first-page":"138","DOI":"10.1016\/j.jtcvs.2013.07.068","article-title":"Transapical neochord implantation: is tension of artificial chordae tendineae dependent on the insertion site?","volume":"148","author":"Jensen","year":"2014","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bib18","first-page":"0145011","article-title":"Development and ex\u00a0vivo validation of novel force-sensing neochordae for measuring chordae tendineae tension in the mitral valve apparatus using optical fibers with embedded Bragg gratings","volume":"142","author":"Paulsen","year":"2019","journal-title":"J Biomech Eng"},{"key":"10.1016\/j.xjon.2021.07.040_bib19","series-title":"Alpine Caving Techniques: A Complete Guide to Safe and Efficient Caving","author":"Marbach","year":"2002"},{"key":"10.1016\/j.xjon.2021.07.040_bib20","doi-asserted-by":"crossref","first-page":"404","DOI":"10.12693\/APhysPolA.138.404","article-title":"Revision of commonly used loop knots efficiencies","volume":"138","author":"\u0160imona","year":"2020","journal-title":"Acta Physica Pol"},{"key":"10.1016\/j.xjon.2021.07.040_bib21","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1093\/ejcts\/ezaa255","article-title":"Loop neochord versus leaflet resection techniques for minimally invasive mitral valve repair: long-term results","volume":"59","author":"Pfannmueller","year":"2021","journal-title":"Eur J Cardiothorac Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bibE1","first-page":"0145011","article-title":"Development and ex\u00a0vivo validation of novel force-sensing neochordae for measuring chordae tendineae tension in the mitral valve apparatus using optical fibers with embedded Bragg gratings","volume":"142","author":"Paulsen","year":"2019","journal-title":"J Biomech Eng"},{"key":"10.1016\/j.xjon.2021.07.040_bibE2","doi-asserted-by":"crossref","first-page":"2166","DOI":"10.1016\/S0003-4975(00)02047-6","article-title":"Chordal replacement for both minimally invasive and conventional mitral valve surgery using premeasured Gore-Tex loops","volume":"70","author":"Von Oppell","year":"2000","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.xjon.2021.07.040_bibE3","article-title":"How to create patient-specific loops for correcting mitral valve prolapse through a minimally invasive approach","volume":"2019","author":"Fortunato","year":"2019","journal-title":"Multimed Man Cardiothorac Surg"}],"container-title":["JTCVS Open"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2666273621003375?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2666273621003375?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,12]],"date-time":"2025-11-12T20:46:47Z","timestamp":1762980407000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2666273621003375"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,12]]},"references-count":24,"alternative-id":["S2666273621003375"],"URL":"https:\/\/doi.org\/10.1016\/j.xjon.2021.07.040","relation":{},"ISSN":["2666-2736"],"issn-type":[{"value":"2666-2736","type":"print"}],"subject":[],"published":{"date-parts":[[2021,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Biomechanical engineering analysis of commonly utilized mitral neochordae","name":"articletitle","label":"Article Title"},{"value":"JTCVS Open","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.xjon.2021.07.040","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 The Authors. Published by Elsevier Inc. on behalf of The American Association for Thoracic Surgery.","name":"copyright","label":"Copyright"}]}}