title: Selecting the Appropriate Ablation Strategy: the Role of Endocardial and/or Epicardial Access.
abstract: Percutaneous catheter ablation has emerged as an effective treatment modality for the management of ventricular tachycardia. Despite years of progress in this field, the role of epicardial mapping and ablation needs to be further refined. In this review, we discuss the relationship between the type of underlying heart disease and the location of the arrythmogenic substrate as it pertains to a procedural approach. We describe the contribution of preprocedural and intraprocedural diagnostic tools for the localisation of the arrhythmogenic substrate, with a special emphasis on cardiac MRI and electrophysiological mapping. In our opinion, the preferred approach to target ventricular tachycardia should depend on the patient's underlying heart disease and the location of scar tissue, which can be best visualised using cardiac MRI.
authors.affiliation: University of Michigan, Ann Arbor, MI, USA.
authors.forename: Mario
authors.initials: M
authors.lastname: Njeim
authors.affiliation: University of Michigan, Ann Arbor, MI, USA.
authors.forename: Frank
authors.initials: F
authors.lastname: Bogun
keywords: Catheter ablation; MRI; delayed enhancement; endocardial; epicardial; ventricular tachycardia
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