{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T16:58:23Z","timestamp":1792083503911,"version":"4.4.0"},"reference-count":29,"publisher":"Radcliffe Medical Media Ltd","issue":"4","license":[{"start":{"date-parts":[[2020,12,24]],"date-time":"2020-12-24T00:00:00Z","timestamp":1608768000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/legalcode"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arrhythm Electrophysiol Rev"],"abstract":"<p>Empirical approaches to targeting the ventricular tachycardia (VT) substrate include mapping of late potentials, local abnormal electrogram, pace-mapping and homogenisation of the abnormal signals. These approaches do not try to differentiate between the passive or active role of local signals as the critical components of the VT circuit. By not considering the functional components, these approaches often view the substrate as a fixed anatomical barrier. Strategies to improve the success of VT ablation need to include the identification of critical functional substrate. Decrement-evoked potential (DeEP) mapping has been developed to elucidate this using an extra-stimulus added to a pacing drive train. With knowledge translation in mind, the authors detail the evolution of the DeEP concept by way of a study of simultaneous panoramic endocardial mapping in VT ablation; an <italic>in silico<\/italic> modelling study to demonstrate the factors influencing DeEPs; a multicentre VT ablation validation study; a practical approach to DeEP mapping; the potential utility of DeEPs to identify arrhythmogenic atrial substrate; and, finally, other functional mapping strategies.<\/p>","DOI":"10.15420\/aer.2020.25","type":"journal-article","created":{"date-parts":[[2021,1,15]],"date-time":"2021-01-15T04:39:20Z","timestamp":1610685560000},"page":"211-218","source":"Crossref","is-referenced-by-count":23,"title":["Decrement Evoked Potential Mapping to Guide Ventricular Tachycardia Ablation: Elucidating the Functional Substrate"],"prefix":"10.15420","volume":"9","author":[{"given":"Abhishek","family":"Bhaskaran","sequence":"first","affiliation":[{"name":"University Health Network, University of Toronto, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Fitzgerald","sequence":"additional","affiliation":[{"name":"University of Adelaide, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicholas","family":"Jackson","sequence":"additional","affiliation":[{"name":"John Hunter Hospital, Newcastle, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sigfus","family":"Gizurarson","sequence":"additional","affiliation":[{"name":"Landspitali, Reykjavik, Iceland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kumaraswamy","family":"Nanthakumar","sequence":"additional","affiliation":[{"name":"University Health Network, University of Toronto, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andreu","family":"Porta-S\u00e1nchez","sequence":"additional","affiliation":[{"name":"Hospital Universitario Quir\u00f3nsalud Madrid, Molecular Cardiology Laboratory, Centro Nacional de Investigaciones Cardiovasculares, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"6096","published-online":{"date-parts":[[2020,12,24]]},"reference":[{"key":"ref0","doi-asserted-by":"publisher","first-page":"1997","DOI":"10.1016\/j.hrthm.2015.05.036","article-title":"Freedom from recurrent ventricular tachycardia after catheter ablation is associated with improved survival in patients with structural heart disease: an International VT Ablation Center Collaborative Group study","volume":"12","author":"Tung","year":"2015","unstructured":"1. Tung R, Vaseghi M, Frankel DS, et al. Freedom from recurrent ventricular tachycardia after catheter ablation is associated with improved survival in patients with structural heart disease: an International VT Ablation Center Collaborative Group study. Heart Rhythm 2015;12:1997-2007.","journal-title":"Heart Rhythm"},{"key":"ref1","doi-asserted-by":"publisher","first-page":"118","DOI":"10.15420\/aer.2017.20.1","article-title":"Limitations and challenges in mapping ventricular tachycardia: new technologies and future directions","volume":"6","author":"Graham","year":"2017","unstructured":"2. Graham AJ, Orini M, Lambiase PD. Limitations and challenges in mapping ventricular tachycardia: new technologies and future directions. 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Europace 2018;20:337-46.","journal-title":"Europace"}],"container-title":["Arrhythmia &amp; Electrophysiology Review"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.aerjournal.com\/articleindex\/aer.2020.25","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,6,10]],"date-time":"2021-06-10T13:55:06Z","timestamp":1623333306000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.aerjournal.com\/articleindex\/aer.2020.25"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,12,24]]},"references-count":29,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2020,12,24]]}},"alternative-id":["aer.2020.25"],"URL":"https:\/\/doi.org\/10.15420\/aer.2020.25","relation":{},"ISSN":["2050-3369","2050-3377"],"issn-type":[{"value":"2050-3369","type":"print"},{"value":"2050-3377","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,12,24]]}}}