{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,13]],"date-time":"2026-01-13T04:57:54Z","timestamp":1768280274093,"version":"3.49.0"},"reference-count":23,"publisher":"Elsevier BV","issue":"7","license":[{"start":{"date-parts":[[2023,7,1]],"date-time":"2023-07-01T00:00:00Z","timestamp":1688169600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2023,7,1]],"date-time":"2023-07-01T00:00:00Z","timestamp":1688169600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"DOI":"10.13039\/100004411","name":"Heart and Stroke Foundation of Canada","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004411","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","onlinecjc.ca","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Canadian Journal of Cardiology"],"published-print":{"date-parts":[[2023,7]]},"DOI":"10.1016\/j.cjca.2023.02.074","type":"journal-article","created":{"date-parts":[[2023,3,12]],"date-time":"2023-03-12T11:06:54Z","timestamp":1678619214000},"page":"912-921","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":3,"title":["Utility of Substrate Mapping Using Extrasystole to Localise Comprehensive Ventricular Tachycardia Circuits: Results From Intra-operative Mapping Studies"],"prefix":"10.1016","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6074-5755","authenticated-orcid":false,"given":"Maroosh","family":"Mumtaz","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugene","family":"Downar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satoshi","family":"Kawada","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Melanie","family":"Zammit-Burg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert","family":"Anderson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"St\u00e9phane","family":"Mass\u00e9","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Madhav Krishna Kumar","family":"Nair","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jared","family":"Nanthakumar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fateh Muhammad","family":"Ghauri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andreu Porta-","family":"S\u00e1nchez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abhishek","family":"Bhaskaran","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.cjca.2023.02.074_bib1","doi-asserted-by":"crossref","first-page":"488","DOI":"10.1136\/heart.87.5.488","article-title":"Quality of life and psychological functioning of ICD patients","volume":"87","author":"Sears","year":"2002","journal-title":"Heart"},{"key":"10.1016\/j.cjca.2023.02.074_bib2","first-page":"502","article-title":"Newer methods for ventricular tachycardia ablation and when to use them","volume":"38","author":"Stevenson","year":"2022","journal-title":"Can J Cardiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib3","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1111\/j.1540-8167.2009.01563.x","article-title":"Catheter ablation of recurrent scar-related ventricular tachycardia using electroanatomical mapping and irrigated ablation technology: results of the prospective multicentre Euro-VT-study","volume":"21","author":"Tanner","year":"2010","journal-title":"J\u00a0Cardiovasc Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib4","doi-asserted-by":"crossref","first-page":"674","DOI":"10.1016\/j.jacc.2015.11.041","article-title":"Long-term success of irrigated radiofrequency catheter ablation of sustained ventricular tachycardia: post-approval THERMOCOOL VT trial","volume":"67","author":"Marchlinski","year":"2016","journal-title":"J\u00a0Am Coll Cardiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib5","doi-asserted-by":"crossref","first-page":"2872","DOI":"10.1016\/j.jacc.2015.10.026","article-title":"Ablation of stable VTs vs substrate ablation in ischemic cardiomyopathy: the VISTA randomised multicentre trial","volume":"66","author":"di Biase","year":"2015","journal-title":"J\u00a0Am Coll Cardiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib6","doi-asserted-by":"crossref","first-page":"2184","DOI":"10.1161\/CIRCULATIONAHA.111.043216","article-title":"Elimination of local abnormal ventricular activities: a new end point for substrate modification in patients with scar-related ventricular tachycardia","volume":"125","author":"Ja\u00efs","year":"2012","journal-title":"Circulation"},{"key":"10.1016\/j.cjca.2023.02.074_bib7","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1016\/j.jacc.2012.07.059","article-title":"Reasons for recurrent ventricular tachycardia after catheter ablation of post-infarction ventricular tachycardia","volume":"61","author":"Yokokawa","year":"2013","journal-title":"J\u00a0Am Coll Cardiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib8","doi-asserted-by":"crossref","first-page":"474","DOI":"10.1016\/j.hrthm.2005.01.017","article-title":"Long-term results after ablation of infarct-related ventricular tachycardia","volume":"2","author":"Segal","year":"2005","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.cjca.2023.02.074_bib9","doi-asserted-by":"crossref","first-page":"132","DOI":"10.1016\/j.jacc.2012.03.044","article-title":"Endo-epicardial homogenization of the scar vs limited substrate ablation for the treatment of electrical storms in patients with ischemic cardiomyopathy","volume":"60","author":"Di Biase","year":"2012","journal-title":"J\u00a0Am Coll Cardiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib10","doi-asserted-by":"crossref","first-page":"1131","DOI":"10.1161\/CIRCEP.113.000867","article-title":"Impact of local ablation on interconnected channels within ventricular scar: mechanistic implications for substrate modification","volume":"6","author":"Tung","year":"2013","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib11","doi-asserted-by":"crossref","first-page":"424","DOI":"10.1161\/CIRCEP.113.001239","article-title":"Noninducibility and late potential abolition: a novel combined prognostic procedural end point for catheter ablation of postinfarction ventricular tachycardia","volume":"7","author":"Silberbauer","year":"2014","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib12","doi-asserted-by":"crossref","first-page":"499","DOI":"10.1016\/j.amjcard.2012.10.031","article-title":"Safety, long-term results, and predictors of recurrence after complete endocardial ventricular tachycardia substrate ablation in patients with previous myocardial infarction","volume":"111","author":"Arenal","year":"2013","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib13","doi-asserted-by":"crossref","first-page":"621","DOI":"10.1111\/j.1540-8167.2011.02246.x","article-title":"Late potentials abolition as an additional technique for reduction of arrhythmia recurrence in scar related ventricular tachycardia ablation","volume":"23","author":"Vergara","year":"2012","journal-title":"J\u00a0Cardiovasc Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib14","doi-asserted-by":"crossref","first-page":"1017","DOI":"10.1111\/j.1540-8167.2010.01756.x","article-title":"Isolated potentials and pace-mapping as guides for ablation of ventricular tachycardia in various types of nonischemic cardiomyopathy","volume":"21","author":"K\u00fchne","year":"2010","journal-title":"J\u00a0Cardiovasc Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib15","doi-asserted-by":"crossref","first-page":"1433","DOI":"10.1161\/CIRCEP.115.003083","article-title":"Decrement evoked potential mapping: basis of a mechanistic strategy for ventricular tachycardia ablation","volume":"8","author":"Jackson","year":"2015","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib16","doi-asserted-by":"crossref","first-page":"1359","DOI":"10.1161\/CIRCULATIONAHA.112.000872","article-title":"Management of ventricular tachycardia in the setting of a dedicated unit for the treatment of complex ventricular arrhythmias: long-term outcome after ablation","volume":"127","author":"Bella","year":"2013","journal-title":"Circulation"},{"key":"10.1016\/j.cjca.2023.02.074_bib17","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.119.008307","article-title":"Long-term outcome after ventricular tachycardia ablation in nonischemic cardiomyopathy: late potential abolition and VT noninducibility","volume":"13","author":"Okubo","year":"2020","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib18","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1161\/CIRCEP.114.002637","article-title":"Relationship between sinus rhythm late activation zones and critical sites for scar-related ventricular tachycardia: systematic analysis of isochronal late activation mapping","volume":"8","author":"Irie","year":"2015","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib19","doi-asserted-by":"crossref","first-page":"1121","DOI":"10.1016\/j.hrthm.2017.05.018","article-title":"Cardiac magnetic resonance\u2013aided scar dechanneling: influence on acute and long-term outcomes","volume":"14","author":"Andreu","year":"2017","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.cjca.2023.02.074_bib20","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1016\/j.jacep.2017.12.005","article-title":"Multicentre study of ischemic ventricular tachycardia ablation with decrement-evoked potential (DEEP) mapping with extra stimulus","volume":"4","author":"Porta-S\u00e1nchez","year":"2018","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib21","doi-asserted-by":"crossref","first-page":"316","DOI":"10.1016\/j.jacep.2018.01.013","article-title":"Targeting the hidden substrate unmasked by right ventricular extrastimulation improves ventricular tachycardia ablation outcome after myocardial infarction","volume":"4","author":"de Riva","year":"2018","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.cjca.2023.02.074_bib22","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1093\/europace\/euw325","article-title":"Elucidation of hidden slow conduction by double ventricular extrastimuli: a method for further arrhythmic substrate identification in ventricular tachycardia ablation procedures","volume":"20","author":"Acosta","year":"2018","journal-title":"Europace"},{"key":"10.1016\/j.cjca.2023.02.074_bib23","doi-asserted-by":"crossref","first-page":"1783","DOI":"10.1016\/j.jacep.2020.06.037","article-title":"Multicentre study of dynamic high-density functional substrate mapping improves identification of substrate targets for ischemic ventricular tachycardia ablation","volume":"6","author":"Srinivasan","year":"2020","journal-title":"Clin Electrophysiol"}],"container-title":["Canadian Journal of Cardiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0828282X2300212X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0828282X2300212X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T14:50:55Z","timestamp":1760107855000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0828282X2300212X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,7]]},"references-count":23,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2023,7]]}},"alternative-id":["S0828282X2300212X"],"URL":"https:\/\/doi.org\/10.1016\/j.cjca.2023.02.074","relation":{},"ISSN":["0828-282X"],"issn-type":[{"value":"0828-282X","type":"print"}],"subject":[],"published":{"date-parts":[[2023,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Utility of Substrate Mapping Using Extrasystole to Localise Comprehensive Ventricular Tachycardia Circuits: Results From Intra-operative Mapping Studies","name":"articletitle","label":"Article Title"},{"value":"Canadian Journal of Cardiology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.cjca.2023.02.074","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2023 Canadian Cardiovascular Society. Published by Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}