{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,6]],"date-time":"2026-09-06T05:01:48Z","timestamp":1788670908127,"version":"build-2803163510"},"reference-count":26,"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"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","heartrhythmjournal.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Heart Rhythm"],"published-print":{"date-parts":[[2019,5]]},"DOI":"10.1016\/j.hrthm.2018.11.028","type":"journal-article","created":{"date-parts":[[2018,11,30]],"date-time":"2018-11-30T01:17:11Z","timestamp":1543540631000},"page":"724-732","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":47,"title":["Variant of ventricular outflow tract ventricular arrhythmias requiring ablation from multiple sites: Intramural origin"],"prefix":"10.1016","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6508-4047","authenticated-orcid":false,"given":"Luigi","family":"Di Biase","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6420-8669","authenticated-orcid":false,"given":"Jorge","family":"Romero","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7331-448X","authenticated-orcid":false,"given":"Erica S.","family":"Zado","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan Carlos","family":"Diaz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8174-7207","authenticated-orcid":false,"given":"Carola","family":"Gianni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick M.","family":"Hranitzki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Javier E.","family":"Sanchez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sanghamitra","family":"Mohanty","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amin","family":"Al-Ahmad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Prasant","family":"Mohanty","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chintan","family":"Trivedi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Domenico","family":"Della Rocca","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0023-9666","authenticated-orcid":false,"given":"Pasquale","family":"Santangeli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. David","family":"Burkhardt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fermin C.","family":"Garcia","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7962-9423","authenticated-orcid":false,"given":"Francis E.","family":"Marchlinski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Natale","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.hrthm.2018.11.028_bib1","doi-asserted-by":"crossref","first-page":"1023","DOI":"10.1016\/S0735-1097(97)00004-1","article-title":"Repetitive monomorphic tachycardia from the left ventricular outflow tract: electrocardiographic patterns consistent with a left ventricular site of origin","volume":"29","author":"Callans","year":"1997","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib2","doi-asserted-by":"crossref","first-page":"500","DOI":"10.1016\/S0735-1097(01)01767-3","article-title":"Repetitive monomorphic ventricular tachycardia originating from the aortic sinus cusp: electrocardiographic characterization for guiding catheter ablation","volume":"39","author":"Ouyang","year":"2002","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib3","doi-asserted-by":"crossref","first-page":"1659","DOI":"10.1161\/CIRCULATIONAHA.105.611640","article-title":"Idiopathic epicardial left ventricular tachycardia originating remote from the sinus of Valsalva: electrophysiological characteristics, catheter ablation, and identification from the 12-lead electrocardiogram","volume":"113","author":"Daniels","year":"2006","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2018.11.028_bib4","doi-asserted-by":"crossref","first-page":"1813","DOI":"10.1016\/j.jacc.2006.06.006","article-title":"Ablation of left ventricular epicardial outflow tract tachycardia from the distal great cardiac vein","volume":"48","author":"Obel","year":"2006","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib5","doi-asserted-by":"crossref","first-page":"723","DOI":"10.1253\/jcj.65.723","article-title":"Left ventricular epicardial outflow tract tachycardia: a new distinct subgroup of outflow tract tachycardia","volume":"65","author":"Tada","year":"2001","journal-title":"Jpn Circ J"},{"key":"10.1016\/j.hrthm.2018.11.028_bib6","doi-asserted-by":"crossref","first-page":"S150","DOI":"10.1111\/j.1540-8159.2005.00081.x","article-title":"Simultaneous mapping in the left sinus of valsalva and coronary venous system predicts successful catheter ablation from the left sinus of valsalva","volume":"28","author":"Ito","year":"2005","journal-title":"Pacing Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib7","doi-asserted-by":"crossref","first-page":"1329","DOI":"10.1161\/01.CIR.0000087407.53326.31","article-title":"Percutaneous pericardial instrumentation for endo-epicardial mapping of previously failed ablations","volume":"108","author":"Schweikert","year":"2003","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2018.11.028_bib8","doi-asserted-by":"crossref","first-page":"116","DOI":"10.1016\/j.jacep.2015.04.005","article-title":"Multicenter outcomes for catheter ablation of idiopathic premature ventricular complexes","volume":"1","author":"Latchamsetty","year":"2015","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib9","doi-asserted-by":"crossref","first-page":"1333","DOI":"10.1016\/0735-1097(94)90375-1","article-title":"Radiofrequency catheter ablation as a cure for idiopathic tachycardia of both left and right ventricular origin","volume":"23","author":"Coggins","year":"1994","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib10","doi-asserted-by":"crossref","first-page":"1280","DOI":"10.1046\/j.1540-8167.2003.03211.x","article-title":"Development and validation of an ECG algorithm for identifying the optimal ablation site for idiopathic ventricular outflow tract tachycardia","volume":"14","author":"Ito","year":"2003","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib11","doi-asserted-by":"crossref","first-page":"344","DOI":"10.1161\/CIRCEP.114.002259","article-title":"Radiofrequency catheter ablation of idiopathic ventricular arrhythmias originating from intramural foci in the left ventricular outflow tract: efficacy of sequential versus simultaneous unipolar catheter ablation","volume":"8","author":"Yamada","year":"2015","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib12","doi-asserted-by":"crossref","first-page":"1093","DOI":"10.1111\/jce.12460","article-title":"Bipolar radiofrequency catheter ablation for refractory ventricular outflow tract arrhythmias","volume":"25","author":"Teh","year":"2014","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib13","doi-asserted-by":"crossref","first-page":"292","DOI":"10.1016\/j.hrthm.2012.10.031","article-title":"Catheter ablation of ventricular tachycardia using intracoronary wire mapping and coil embolization: description of a new technique","volume":"10","author":"Tholakanahalli","year":"2013","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2018.11.028_bib14","doi-asserted-by":"crossref","first-page":"1637","DOI":"10.1016\/j.hrthm.2012.06.003","article-title":"Coronary venous ethanol infusion for the treatment of refractory ventricular tachycardia","volume":"9","author":"Baher","year":"2012","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2018.11.028_bib15","doi-asserted-by":"crossref","first-page":"2289","DOI":"10.1161\/CIRCULATIONAHA.113.003423","article-title":"Initial human feasibility of infusion needle catheter ablation for refractory ventricular tachycardia","volume":"128","author":"Sapp","year":"2013","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2018.11.028_bib16","doi-asserted-by":"crossref","first-page":"2035","DOI":"10.1016\/j.jacc.2007.01.085","article-title":"Clinical and electrophysiological spectrum of idiopathic ventricular outflow tract arrhythmias","volume":"49","author":"Kim","year":"2007","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib17","doi-asserted-by":"crossref","first-page":"418","DOI":"10.1016\/j.jacc.2004.10.037","article-title":"Outflow tract tachycardia with R\/S transition in lead V3: six different anatomic approaches for successful ablation","volume":"45","author":"Tanner","year":"2005","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib18","doi-asserted-by":"crossref","first-page":"1525","DOI":"10.1161\/01.CIR.98.15.1525","article-title":"Localization of optimal ablation site of idiopathic ventricular tachycardia from right and left ventricular outflow tract by body surface ECG","volume":"98","author":"Kamakura","year":"1998","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2018.11.028_bib19","doi-asserted-by":"crossref","first-page":"884","DOI":"10.1016\/j.jacc.2007.05.021","article-title":"Preferential conduction across the ventricular outflow septum in ventricular arrhythmias originating from the aortic sinus cusp","volume":"50","author":"Yamada","year":"2007","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib20","doi-asserted-by":"crossref","first-page":"A18650","DOI":"10.1161\/circ.132.suppl_3.18650","article-title":"Activation mapping of ventricular ectopy: characterization of a threshold value predicting successful catheter ablation","volume":"132","author":"Camnitz","year":"2015","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2018.11.028_bib21","doi-asserted-by":"crossref","first-page":"5","DOI":"10.1007\/s10840-010-9523-3","article-title":"Anatomical correlates relevant to ablation above the semilunar valves for the cardiac electrophysiologist: a study of 603 hearts","volume":"30","author":"Gami","year":"2011","journal-title":"J Interv Card Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib22","doi-asserted-by":"crossref","first-page":"258","DOI":"10.1161\/CIRCEP.111.967257","article-title":"Intramural idiopathic ventricular arrhythmias originating in the intraventricular septum: mapping and ablation","volume":"5","author":"Yokokawa","year":"2012","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib23","doi-asserted-by":"crossref","first-page":"523","DOI":"10.1111\/j.1540-8159.1994.tb01421.x","article-title":"In\u00a0vivo ventricular lesion growth in radiofrequency catheter ablation","volume":"17","author":"Simmers","year":"1994","journal-title":"Pacing Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib24","doi-asserted-by":"crossref","first-page":"1089","DOI":"10.1111\/j.1540-8167.1995.tb00386.x","article-title":"Radiofrequency delivery through a cooled catheter tip allows the creation of larger endomyocardial lesions in the ovine heart","volume":"6","author":"Ruffy","year":"1995","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib25","doi-asserted-by":"crossref","first-page":"1037","DOI":"10.1046\/j.1540-8167.2001.01037.x","article-title":"Effects of linear, irrigated-tip radiofrequency ablation in porcine healed anterior infarction","volume":"12","author":"Callans","year":"2001","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.hrthm.2018.11.028_bib26","doi-asserted-by":"crossref","first-page":"e004845","DOI":"10.1161\/CIRCEP.116.004845","article-title":"Characterization of aortic valve closure artifact during outflow tract mapping: correlation with hemodynamics and mechanical valves","volume":"10","author":"Romero","year":"2017","journal-title":"Circ Arrhythm Electrophysiol"}],"container-title":["Heart Rhythm"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1547527118312372?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1547527118312372?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T06:49:03Z","timestamp":1761547743000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1547527118312372"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,5]]},"references-count":26,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2019,5]]}},"alternative-id":["S1547527118312372"],"URL":"https:\/\/doi.org\/10.1016\/j.hrthm.2018.11.028","relation":{},"ISSN":["1547-5271"],"issn-type":[{"value":"1547-5271","type":"print"}],"subject":[],"published":{"date-parts":[[2019,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Variant of ventricular outflow tract ventricular arrhythmias requiring ablation from multiple sites: Intramural origin","name":"articletitle","label":"Article Title"},{"value":"Heart Rhythm","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.hrthm.2018.11.028","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2018 Heart Rhythm Society. All rights reserved.","name":"copyright","label":"Copyright"}]}}