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Mapping of ventricular tachycardia in patients with ischemic cardiomyopathy: Current approaches and future perspectives
Author(s) -
Pandozi Claudio,
Lavalle Carlo,
Russo Maurizio,
Galeazzi Marco,
Ficili Sabina,
Malacrida Maurizio,
Centurion Aznaran Carlos,
Colivicchi Furio
Publication year - 2019
Publication title -
clinical cardiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.263
H-Index - 72
eISSN - 1932-8737
pISSN - 0160-9289
DOI - 10.1002/clc.23245
Subject(s) - medicine , ablation , ventricular tachycardia , cardiology , sinus rhythm , ischemic cardiomyopathy , catheter ablation , cardiomyopathy , tachycardia , heart failure , atrial fibrillation , ejection fraction
Despite the technical improvements made in recent years, the overall long‐term success rate of ventricular tachycardia (VT) ablation in patients with ischemic cardiomyopathy remains disappointing. This unsatisfactory situation has persisted even though several approaches to VT substrate ablation allow mapping and ablation of noninducible/nontolerated arrhythmias. The current substrate mapping methods present some shortcomings regarding the accurate definition of the true scar, the modality of detection in sinus rhythm of abnormal electrograms that identify sites of critical channels during VT and the possibility to determine the boundaries of functional re‐entrant circuits during sinus or paced rhythms. In this review, we focus on current and proposed ablation strategies for VT to provide an overview of the potential/real application (and results) of several ablation approaches and future perspectives.

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