{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T07:58:23Z","timestamp":1790236703137,"version":"4.1.0"},"reference-count":39,"publisher":"Elsevier BV","issue":"9","license":[{"start":{"date-parts":[[2020,9,1]],"date-time":"2020-09-01T00:00:00Z","timestamp":1598918400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,9,1]],"date-time":"2020-09-01T00:00:00Z","timestamp":1598918400000},"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":[[2020,9]]},"DOI":"10.1016\/j.hrthm.2020.04.026","type":"journal-article","created":{"date-parts":[[2020,4,22]],"date-time":"2020-04-22T03:14:21Z","timestamp":1587525261000},"page":"1609-1620","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":28,"title":["Modern mapping and ablation techniques to treat ventricular arrhythmias from the left ventricular summit and interventricular septum"],"prefix":"10.1016","volume":"17","author":[{"given":"Jorge","family":"Romero","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kalayanam","family":"Shivkumar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miguel","family":"Valderrabano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan Carlos","family":"Diaz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isabella","family":"Alviz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Briceno","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Natale","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luigi","family":"Di Biase","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.hrthm.2020.04.026_bib1","doi-asserted-by":"crossref","first-page":"616","DOI":"10.1161\/CIRCEP.110.939744","article-title":"Idiopathic ventricular arrhythmias originating from the left ventricular summit: anatomic concepts relevant to ablation","volume":"3","author":"Yamada","year":"2010","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib2","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1016\/j.hrthm.2016.09.018","article-title":"How to map and ablate left ventricular summit arrhythmias","volume":"14","author":"Enriquez","year":"2017","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2020.04.026_bib3","doi-asserted-by":"crossref","first-page":"316","DOI":"10.1161\/CIRCEP.108.847962","article-title":"Supravalvular arrhythmia: identifying and ablating the substrate","volume":"2","author":"Tabatabaei","year":"2009","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib4","doi-asserted-by":"crossref","first-page":"419","DOI":"10.1016\/0003-4975(94)00893-C","article-title":"The forgotten interleaflet triangles: a review of the surgical anatomy of the aortic valve","volume":"59","author":"Sutton","year":"1995","journal-title":"Ann Thorac Surg"},{"key":"10.1016\/j.hrthm.2020.04.026_bib5","first-page":"57","article-title":"Anatomy and pathophysiology of the ventriculo-aortic junction: implication in aortic valve repair surgery","volume":"2","author":"de Kerchove","year":"2013","journal-title":"Ann Cardiothorac Surg"},{"key":"10.1016\/j.hrthm.2020.04.026_bib6","doi-asserted-by":"crossref","first-page":"i3","DOI":"10.1093\/ejechocard\/jen243","article-title":"Structure and anatomy of the aortic root","volume":"10","author":"Ho","year":"2009","journal-title":"Eur J Echocardiogr"},{"key":"10.1016\/j.hrthm.2020.04.026_bib7","doi-asserted-by":"crossref","first-page":"47","DOI":"10.2214\/ajr.178.1.1780047","article-title":"Effect of vessel size on creation of hepatic radiofrequency lesions in pigs: assessment of the \u201cheat sink\u201d effect","volume":"178","author":"Lu","year":"2002","journal-title":"AJR Am J Roentgenol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib8","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1161\/CIRCEP.108.778563","article-title":"Left ventricular outflow tract tachycardia with preferential conduction and multiple exits","volume":"1","author":"Yamada","year":"2008","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib9","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.2020.04.026_bib10","doi-asserted-by":"crossref","first-page":"1442","DOI":"10.1016\/S0735-1097(00)00606-9","article-title":"Nonsurgical transthoracic epicardial catheter ablation to treat recurrent ventricular tachycardia occurring late after myocardial infarction","volume":"35","author":"Sosa","year":"2000","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib11","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1111\/j.1540-8167.1998.tb00907.x","article-title":"Endocardial and epicardial ablation guided by nonsurgical transthoracic epicardial mapping to treat recurrent ventricular tachycardia","volume":"9","author":"Sosa","year":"1998","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib12","doi-asserted-by":"crossref","first-page":"789","DOI":"10.1016\/j.jacep.2019.04.011","article-title":"Septal coronary venous mapping to guide substrate characterization and ablation of intramural septal ventricular arrhythmia","volume":"5","author":"Brice\u00f1o","year":"2019","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib13","doi-asserted-by":"crossref","first-page":"285","DOI":"10.1016\/j.hrcr.2018.03.005","article-title":"Intramyocardial radiofrequency ablation of ventricular arrhythmias using intracoronary wire mapping and a coronary reentry system: description of a novel technique","volume":"4","author":"Romero","year":"2018","journal-title":"HeartRhythm Case Rep"},{"key":"10.1016\/j.hrthm.2020.04.026_bib14","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.2020.04.026_bib15","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.2020.04.026_bib16","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":"Journal of the American College of Cardiology"},{"key":"10.1016\/j.hrthm.2020.04.026_bib17","doi-asserted-by":"crossref","first-page":"724","DOI":"10.1016\/j.hrthm.2018.11.028","article-title":"Variant of ventricular outflow tract ventricular arrhythmias requiring ablation from multiple sites: intramural origin","volume":"16","author":"Di Biase","year":"2019","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2020.04.026_bib18","doi-asserted-by":"crossref","first-page":"1342","DOI":"10.1016\/S0735-1097(87)80139-0","article-title":"Intracoronary ethyl alcohol or phenol injection ablates aconitine-induced ventricular tachycardia in dogs","volume":"10","author":"Inoue","year":"1987","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib19","doi-asserted-by":"crossref","first-page":"422","DOI":"10.1111\/j.1540-8167.1994.tb01181.x","article-title":"Intracoronary ethanol ablation in swine: effects of ethanol concentration on lesion formation and response to programmed ventricular stimulation","volume":"5","author":"Haines","year":"1994","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib20","doi-asserted-by":"crossref","first-page":"889","DOI":"10.1161\/CIRCEP.111.966283","article-title":"Transcoronary ethanol ablation for recurrent ventricular tachycardia after failed catheter ablation: an update","volume":"4","author":"Tokuda","year":"2011","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib21","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.116.004352","article-title":"Retrograde coronary venous ethanol infusion for ablation of refractory ventricular tachycardia","volume":"9","author":"Kreidieh","year":"2016","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib22","doi-asserted-by":"crossref","first-page":"1092","DOI":"10.1016\/j.jacep.2017.08.008","article-title":"Chamber-specific radiofrequency lesion dimension estimation using novel catheter-based tissue interface temperature sensing: a preclinical assessment","volume":"3","author":"Koruth","year":"2017","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib23","doi-asserted-by":"crossref","first-page":"1103","DOI":"10.1016\/j.jacep.2017.03.006","article-title":"Radiofrequency ablation using an open irrigated electrode cooled with half-normal saline.","volume":"3","author":"Nguyen","year":"2017","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib24","doi-asserted-by":"crossref","first-page":"1176","DOI":"10.1016\/j.jacep.2018.06.021","article-title":"Prospective multicenter experience with cooled radiofrequency ablation using high impedance irrigant to target deep myocardial substrate refractory to standard ablation","volume":"4","author":"Nguyen","year":"2018","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib25","doi-asserted-by":"crossref","first-page":"1411","DOI":"10.1016\/j.hrthm.2008.07.011","article-title":"Steam pops during irrigated radiofrequency ablation: feasibility of impedance monitoring for prevention","volume":"5","author":"Seiler","year":"2008","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2020.04.026_bib26","doi-asserted-by":"crossref","first-page":"792","DOI":"10.1111\/jce.12682","article-title":"Effect of irrigant characteristics on lesion formation after radiofrequency energy delivery using ablation catheters with actively cooled tips","volume":"26","author":"Nguyen","year":"2015","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib27","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1023\/A:1009750215308","article-title":"Intracoronary arterial occlusion: a novel technique potentially useful for ablation of cardiac arrhythmias","volume":"1","author":"Hsia","year":"1997","journal-title":"J Interv Card Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib28","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.2020.04.026_bib29","doi-asserted-by":"crossref","first-page":"1413","DOI":"10.1016\/j.jacc.2018.12.070","article-title":"Infusion needle radiofrequency ablation for treatment of refractory ventricular arrhythmias","volume":"73","author":"Stevenson","year":"2019","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib30","doi-asserted-by":"crossref","first-page":"464","DOI":"10.1016\/j.hrcr.2015.07.008","article-title":"Prolonged high-power endocardial ablation of epicardial microreentrant VT from the LV summit in a patient with nonischemic cardiomyopathy","volume":"1","author":"Romero","year":"2015","journal-title":"HeartRhythm Case Rep"},{"key":"10.1016\/j.hrthm.2020.04.026_bib31","doi-asserted-by":"crossref","first-page":"878","DOI":"10.1093\/europace\/euz003","article-title":"Termination of ventricular tachycardia with high-power ablation after endocardial entrainment of a non-endocardial circuit in a patient with left ventricular assist device","volume":"21","author":"Ehdaie","year":"2019","journal-title":"Europace"},{"key":"10.1016\/j.hrthm.2020.04.026_bib32","doi-asserted-by":"crossref","first-page":"1276","DOI":"10.1016\/0002-8703(93)90995-L","article-title":"Increasing catheter ablation lesion size by simultaneous application of radiofrequency current to two adjacent sites","volume":"125","author":"Chang","year":"1993","journal-title":"Am Heart J"},{"key":"10.1016\/j.hrthm.2020.04.026_bib33","doi-asserted-by":"crossref","first-page":"863","DOI":"10.1016\/j.hrthm.2018.12.018","article-title":"Outcomes of simultaneous unipolar radiofrequency catheter ablation for intramural septal ventricular tachycardia in nonischemic cardiomyopathy","volume":"16","author":"Yang","year":"2019","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2020.04.026_bib34","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.2020.04.026_bib35","doi-asserted-by":"crossref","first-page":"1932","DOI":"10.1016\/j.hrthm.2012.08.001","article-title":"Bipolar irrigated radiofrequency ablation: a therapeutic option for refractory intramural atrial and VT circuits","volume":"9","author":"Koruth","year":"2012","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2020.04.026_bib36","doi-asserted-by":"crossref","first-page":"2161","DOI":"10.1016\/j.hrthm.2016.07.011","article-title":"Clinical and biophysical evaluation of variable bipolar configurations during radiofrequency ablation for treatment of ventricular arrhythmias","volume":"13","author":"Nguyen","year":"2016","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2020.04.026_bib37","doi-asserted-by":"crossref","first-page":"906","DOI":"10.1161\/CIRCEP.114.001615","article-title":"Ventricular arrhythmias near the distal great cardiac vein: challenging arrhythmia for ablation","volume":"7","author":"Nagashima","year":"2014","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2020.04.026_bib38","doi-asserted-by":"crossref","first-page":"865","DOI":"10.1016\/j.hrthm.2012.01.022","article-title":"Ablation of VAs arising near the anterior epicardial veins from the left sinus of Valsalva region: ECG features, anatomic distance, and outcome","volume":"9","author":"Jauregui Abularach","year":"2012","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2020.04.026_bib39","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.116.004202","article-title":"Challenging radiofrequency catheter ablation of idiopathic ventricular arrhythmias originating from the left ventricular summit near the left main coronary artery","volume":"9","author":"Yamada","year":"2016","journal-title":"Circ Arrhythm Electrophysiol"}],"updated-by":[{"DOI":"10.1016\/j.hrthm.2020.09.013","type":"erratum","label":"Erratum","source":"publisher","updated":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T00:00:00Z","timestamp":1622505600000}}],"container-title":["Heart Rhythm"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1547527120303581?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1547527120303581?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T06:51:53Z","timestamp":1761547913000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1547527120303581"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,9]]},"references-count":39,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2020,9]]}},"alternative-id":["S1547527120303581"],"URL":"https:\/\/doi.org\/10.1016\/j.hrthm.2020.04.026","relation":{},"ISSN":["1547-5271"],"issn-type":[{"value":"1547-5271","type":"print"}],"subject":[],"published":{"date-parts":[[2020,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Modern mapping and ablation techniques to treat ventricular arrhythmias from the left ventricular summit and interventricular septum","name":"articletitle","label":"Article Title"},{"value":"Heart Rhythm","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.hrthm.2020.04.026","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 Heart Rhythm Society. All rights reserved.","name":"copyright","label":"Copyright"}]}}