{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,2]],"date-time":"2026-11-02T08:15:19Z","timestamp":1793607319285,"version":"4.5.0"},"reference-count":42,"publisher":"Elsevier BV","issue":"16","license":[{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"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","jacc.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["JACC"],"published-print":{"date-parts":[[2026,10]]},"DOI":"10.1016\/j.jacc.2026.04.049","type":"journal-article","created":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T14:14:52Z","timestamp":1781705692000},"page":"1874-1885","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":2,"title":["Long-Term Outcome of Myectomy Associated With Secondary Mitral Valve Chordal Cutting in Obstructive Hypertrophic Cardiomyopathy"],"prefix":"10.1016","volume":"88","author":[{"given":"Paolo","family":"Ferrazzi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paolo","family":"Spirito","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irene","family":"Binaco","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aleksei","family":"Zyrianov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luca","family":"Boni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniele","family":"Poggio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Massimiliano","family":"Grillo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Margherita","family":"Chioffi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4001-6934","authenticated-orcid":false,"given":"Antonio","family":"Sorropago","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valter","family":"Casati","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefano","family":"Paleari","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giuseppe","family":"Vaccari","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.jacc.2026.04.049_bib1","doi-asserted-by":"crossref","first-page":"470","DOI":"10.1016\/j.jacc.2005.02.090","article-title":"Long-term effects of surgical septal myectomy on survival in patients with obstructive hypertrophic cardiomyopathy","volume":"46","author":"Ommen","year":"2005","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib2","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1161\/CIRCULATIONAHA.112.000849","article-title":"Predictors of long-term outcomes in symptomatic hypertrophic obstructive cardiomyopathy patients undergoing surgical relief of left ventricular outflow tract obstruction","volume":"128","author":"Desai","year":"2013","journal-title":"Circulation"},{"key":"10.1016\/j.jacc.2026.04.049_bib3","doi-asserted-by":"crossref","first-page":"124","DOI":"10.1016\/j.amjcard.2022.06.007","article-title":"Ventricular septal myectomy for obstructive hypertrophic cardiomyopathy (analysis spanning 60 years of practice): AJC Expert Panel","volume":"180","author":"Maron","year":"2022","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib4","doi-asserted-by":"crossref","first-page":"2324","DOI":"10.1016\/j.jacc.2024.02.014","article-title":"2024 AHA\/ACC\/AMSSM\/HRS\/PACES\/SCMR guideline for the management of hypertrophic cardiomyopathy","volume":"83","author":"Ommen","year":"2024","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib5","doi-asserted-by":"crossref","first-page":"759","DOI":"10.1016\/S0140-6736(20)31792-X","article-title":"EXPLORER-HCM study investigators. Mavacamten for treatment of symptomatic obstructive hypertrophic cardiomyopathy (EXPLORER-HCM): a randomised, double-blind, placebo-controlled, phase 3 trial","volume":"396","author":"Olivotto","year":"2020","journal-title":"Lancet"},{"key":"10.1016\/j.jacc.2026.04.049_bib6","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1016\/j.jacc.2022.04.048","article-title":"Myosin inhibition in patients with obstructive hypertrophic cardiomyopathy referred for septal reduction therapy","volume":"80","author":"Desai","year":"2022","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib7","doi-asserted-by":"crossref","first-page":"1849","DOI":"10.1056\/NEJMoa2401424","article-title":"Aficamten for symptomatic obstructive hypertrophic cardiomyopathy","volume":"390","author":"Maron","year":"2024","journal-title":"N Engl J Med"},{"key":"10.1016\/j.jacc.2026.04.049_bib8","doi-asserted-by":"crossref","first-page":"1821","DOI":"10.1016\/j.jacc.2024.09.003","article-title":"Impact of aficamten on disease and symptom burden in obstructive hypertrophic cardiomyopathy: results from SEQUOIA-HCM","volume":"84","author":"Maron","year":"2024","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib9","doi-asserted-by":"crossref","first-page":"829","DOI":"10.21037\/acs.2017.07.03","article-title":"Hypertrophic obstructive cardiomyopathy: the Mayo Clinic experience","volume":"6","author":"Kotkar","year":"2017","journal-title":"Ann Cardiothorac Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib10","doi-asserted-by":"crossref","first-page":"2289","DOI":"10.1016\/j.jtcvs.2018.11.148","article-title":"Surgical management of left ventricular outflow tract in a specialized hypertrophic cardiomyopathy center","volume":"157","author":"Hodges","year":"2019","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib11","doi-asserted-by":"crossref","first-page":"1990","DOI":"10.1016\/j.athoracsur.2012.06.008","article-title":"Role of mitral valve plication in the surgical management of hypertrophic cardiomyopathy","volume":"94","author":"Balaram","year":"2012","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib12","doi-asserted-by":"crossref","first-page":"1846","DOI":"10.1016\/j.jacc.2016.01.071","article-title":"The mitral valve in obstructive hypertrophic cardiomyopathy: a test in context","volume":"67","author":"Sherrid","year":"2016","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib13","doi-asserted-by":"crossref","first-page":"1307","DOI":"10.1016\/j.jacc.2015.06.1333","article-title":"Low operative mortality achieved with surgical septal myectomy: role of dedicated hypertrophic cardiomyopathy centers in the management of dynamic subaortic obstruction","volume":"66","author":"Maron","year":"2015","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib14","doi-asserted-by":"crossref","first-page":"1687","DOI":"10.1016\/j.jacc.2015.07.069","article-title":"Transaortic chordal cutting. Mitral valve repair for obstructive hypertrophic cardiomyopathy with mild septal hypertrophy","volume":"15","author":"Ferrazzi","year":"2015","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib15","doi-asserted-by":"crossref","first-page":"2238","DOI":"10.1016\/j.jacc.2020.09.534","article-title":"Congenital muscular mitral-aortic discontinuity identified in patients with obstructive hypertrophic cardiomyopathy","volume":"76","author":"Ferrazzi","year":"2020","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib16","doi-asserted-by":"crossref","first-page":"678","DOI":"10.1093\/ehjci\/jeac179","article-title":"Impact of secondary mitral valve chordal cutting on valve geometry in obstructive hypertrophic cardiomyopathy with marked septal hypertrophy","volume":"24","author":"Zyrianov","year":"2023","journal-title":"Eur Heart J Cardiovasc Imaging"},{"key":"10.1016\/j.jacc.2026.04.049_bib17","doi-asserted-by":"crossref","first-page":"424","DOI":"10.1053\/j.semtcvs.2019.01.011","article-title":"Septal myectomy with vs without subvalvular apparatus intervention in patients with hypertrophic obstructive cardiomyopathy: a prospective randomized study","volume":"31","author":"Bogachev-Prokophiev","year":"2019","journal-title":"Semin Thorac Cardiovasc Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib18","doi-asserted-by":"crossref","first-page":"699","DOI":"10.1093\/ejcts\/ezab116","article-title":"Secondary chordal resection with septal myectomy for treatment of symptomatic obstructive hypertrophic cardiomyopathy","volume":"60","author":"Ram","year":"2021","journal-title":"Eur J Cardiothorac Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib19","doi-asserted-by":"crossref","first-page":"438","DOI":"10.1016\/j.hlc.2020.05.106","article-title":"Edge-to-edge repair versus secondary cord cutting during septal myectomy in patients with hypertrophic obstructive cardiomyopathy: a pilot randomised study","volume":"30","author":"Afanasyev","year":"2021","journal-title":"Heart Lung Circ"},{"key":"10.1016\/j.jacc.2026.04.049_bib20","doi-asserted-by":"crossref","first-page":"913","DOI":"10.1016\/j.cjco.2022.06.012","article-title":"Extended myectomy for hypertrophic cardiomyopathy: early outcomes from a nascent centre of excellence in Canada","volume":"4","author":"Crean","year":"2022","journal-title":"CJC Open"},{"key":"10.1016\/j.jacc.2026.04.049_bib21","doi-asserted-by":"crossref","first-page":"851","DOI":"10.1016\/j.cjco.2025.04.007","article-title":"Outcomes of surgical myectomy and mitral valve repair for hypertrophic cardiomyopathy with vs without marked septal hypertrophy","volume":"7","author":"Rahmouni","year":"2025","journal-title":"CJC Open"},{"key":"10.1016\/j.jacc.2026.04.049_bib22","doi-asserted-by":"crossref","first-page":"356","DOI":"10.1093\/icvts\/ivx152","article-title":"Mitral valve repair or replacement in hypertrophic obstructive cardiomyopathy: a prospective randomized study","volume":"25","author":"Bogachev-Prokophiev","year":"2017","journal-title":"Interact Cardiovasc Thorac Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib23","doi-asserted-by":"crossref","first-page":"1170","DOI":"10.1007\/s00595-021-02441-z","article-title":"Hypertrophic obstructive cardiomyopathy with a basal septal thickness of 16 mm or less: clinical characteristics and surgical results","volume":"52","author":"Ji","year":"2022","journal-title":"Surg Today"},{"key":"10.1016\/j.jacc.2026.04.049_bib24","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1177\/02184923211025396","article-title":"Do alternative approaches work in surgical septal myectomy?","volume":"30","author":"Varma","year":"2022","journal-title":"Asian Cardiovasc Thorac Ann"},{"key":"10.1016\/j.jacc.2026.04.049_bib25","doi-asserted-by":"crossref","first-page":"3083","DOI":"10.3390\/jcm11113083","article-title":"Transaortic shallow septal myectomy and cutting of secondary fibrotic mitral valve chordae\u2014a 5-year single-center experience in the treatment of hypertrophic obstructive cardiomyopathy","volume":"11","author":"Dorobantu","year":"2022","journal-title":"J Clin Med"},{"key":"10.1016\/j.jacc.2026.04.049_bib26","doi-asserted-by":"crossref","first-page":"723","DOI":"10.1093\/icvts\/ivac010","article-title":"Septal myectomy with mitral valve surgery in patients after alcohol septal ablation","volume":"34","author":"Rudenko","year":"2022","journal-title":"Interact Cardiovasc Thorac Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib27","doi-asserted-by":"crossref","first-page":"26","DOI":"10.21037\/jtd-23-1206","article-title":"Mitral regurgitation mechanisms related to systolic anterior motion in hypertrophic cardiomyopathy","volume":"16","author":"Hayashi","year":"2024","journal-title":"J Thorac Dis"},{"key":"10.1016\/j.jacc.2026.04.049_bib28","doi-asserted-by":"crossref","first-page":"519","DOI":"10.1055\/a-2434-7627","article-title":"Echocardiographic and clinical outcomes of concomitant secondary chordal cutting to surgical myectomy in hypertrophic obstructive cardiomyopathy: a systematic review and meta-analysis","volume":"73","author":"Heeringa","year":"2025","journal-title":"Thorac Cardiovasc Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib29","first-page":"645","article-title":"Surgical treatment of hypertrophic cardiomyopathy in Ukraine during war","volume":"10","author":"Maron","year":"2025","journal-title":"JAMA"},{"key":"10.1016\/j.jacc.2026.04.049_bib30","doi-asserted-by":"crossref","first-page":"263","DOI":"10.1007\/s12055-026-02174-z","article-title":"Transaortic chordal cutting in hypertrophic obstructive cardiomyopathy","volume":"42","author":"Seetharaman","year":"2026","journal-title":"Indian J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib31","doi-asserted-by":"crossref","first-page":"2080","DOI":"10.1093\/eurheartj\/ehs064","article-title":"A contemporary European experience with surgical septal myectomy in hypertrophic cardiomyopathy","volume":"33","author":"Iacovoni","year":"2012","journal-title":"Eur Heart J"},{"key":"10.1016\/j.jacc.2026.04.049_bib32","doi-asserted-by":"crossref","first-page":"1517","DOI":"10.1016\/j.amjcard.2019.01.041","article-title":"Role of preoperative cardiovascular magnetic resonance in planning ventricular septal myectomy in patients with obstructive hypertrophic cardiomyopathy","volume":"9","author":"Spirito","year":"2019","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib33","doi-asserted-by":"crossref","first-page":"575","DOI":"10.1016\/0003-4975(94)92268-3","article-title":"Extended myectomy for hypertrophic cardiomyopathy","volume":"58","author":"Messmer","year":"1994","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib34","doi-asserted-by":"crossref","first-page":"503","DOI":"10.1038\/ncpcardio0965","article-title":"Surgery Insight: septal myectomy for obstructive hypertrophic cardiomyopathy - the Mayo Clinic experience","volume":"4","author":"Dearani","year":"2007","journal-title":"Nat Clin Pract Cardiovasc Med"},{"key":"10.1016\/j.jacc.2026.04.049_bib35","article-title":"Evolution and transformation of hypertrophic cardiomyopathy from a high risk to a treatable low mortality disease with contemporary clinical research strategies","volume":"25","author":"Maron","year":"2026","journal-title":"J Am Heart Assoc"},{"key":"10.1016\/j.jacc.2026.04.049_bib36","doi-asserted-by":"crossref","first-page":"1651","DOI":"10.1161\/01.CIR.85.5.1651","article-title":"Diversity of structural mitral valve alterations in hypertrophic cardiomyopathy","volume":"85","author":"Klues","year":"1992","journal-title":"Circulation"},{"key":"10.1016\/j.jacc.2026.04.049_bib37","doi-asserted-by":"crossref","first-page":"1527","DOI":"10.1016\/j.athoracsur.2008.01.061","article-title":"Mitral valve abnormalities in hypertrophic cardiomyopathy: echocardiographic features and surgical outcomes","volume":"85","author":"Kaple","year":"2008","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib38","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1016\/j.jtcvs.2020.04.007","article-title":"Anomalous papillary muscles\u2014Implications in the surgical treatment of hypertrophic obstructive cardiomyopathy","volume":"163","author":"Carvalho","year":"2020","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1016\/j.jacc.2026.04.049_bib39","doi-asserted-by":"crossref","first-page":"3124","DOI":"10.1161\/01.CIR.96.9.3124","article-title":"Mitral subvalvular apparatus: different functions of primary and secondary chordae","volume":"96","author":"Obadia","year":"1997","journal-title":"Circulation"},{"key":"10.1016\/j.jacc.2026.04.049_bib40","doi-asserted-by":"crossref","first-page":"II115","DOI":"10.1161\/01.CIR.0000138580.57971.b4","article-title":"Importance of mitral valve second-order chordae for left ventricular geometry, wall thickening mechanics, and global systolic function","volume":"110","author":"Rodriguez","year":"2004","journal-title":"Circulation"},{"key":"10.1016\/j.jacc.2026.04.049_bib41","doi-asserted-by":"crossref","first-page":"234","DOI":"10.1016\/j.jacc.2009.01.079","article-title":"Outcome of mildly symptomatic or asymptomatic obstructive hypertrophic cardiomyopathy: a long-term follow-up study","volume":"54","author":"Sorajja","year":"2009","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.jacc.2026.04.049_bib42","doi-asserted-by":"crossref","DOI":"10.1161\/JAHA.120.016210","article-title":"Outcomes in guideline-based class I indication versus earlier referral for surgical myectomy in hypertrophic obstructive cardiomyopathy","volume":"10","author":"Alashi","year":"2021","journal-title":"J Am Heart Assoc"}],"container-title":["JACC"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0735109726064922?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0735109726064922?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T01:22:54Z","timestamp":1793064174000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0735109726064922"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,10]]},"references-count":42,"journal-issue":{"issue":"16","published-print":{"date-parts":[[2026,10]]}},"alternative-id":["S0735109726064922"],"URL":"https:\/\/doi.org\/10.1016\/j.jacc.2026.04.049","relation":{},"ISSN":["0735-1097"],"issn-type":[{"value":"0735-1097","type":"print"}],"subject":[],"published":{"date-parts":[[2026,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Long-Term Outcome of Myectomy Associated With Secondary Mitral Valve Chordal Cutting in Obstructive Hypertrophic Cardiomyopathy","name":"articletitle","label":"Article Title"},{"value":"JACC","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jacc.2026.04.049","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 by the American College of Cardiology Foundation. Published by Elsevier.","name":"copyright","label":"Copyright"}]}}