ArticleJournal of cardiovascular electrophysiology2025
Imaging-Aided VT Ablation. Long-Term Results From a Pilot Study.
Article in Journal of cardiovascular electrophysiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Computed tomography-guided vs conventional catheter ablation for ventricular tachycardia: the InEurHeart trial.European heart journal · 2026Trial
- Left Ventricular Wall Thickness and Decrement Evoked Potentials in Ablation of Ischemic Ventricular Tachycardia.Pacing and clinical electrophysiology : PACE · 2026Article
- Imaging-Guided Versus Conventional Ventricular Tachycardia Ablation in Ischemic Cardiomyopathy: A Systematic Review and Meta-Analysis.Journal of arrhythmia · 2026Review
- A data-driven computational methodology for assessing ventricular ablation procedures.Biomechanics and modeling in mechanobiology · 2026Article
- The Role of Multimodality Imaging in Guiding Ventricular Tachycardia Ablation: An Updated Review.Reviews in cardiovascular medicine · 2026Review
- Bridging anatomy and function in ischemic VT: CT wall-thickness and coherent mapping insights.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2026Article
- Safety and efficacy of a lattice-tip catheter for ventricular arrhythmia ablation: the AFFERA Ventricular Arrhythmia Ablation Registry (AVAAR).Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2025Article
- Preprocedural Substrate Visualization and Image Integration Based on Late Enhancement Computed Tomography for Ventricular Tachycardia Ablation in Non-Ischemic Cardiomyopathy.Journal of clinical medicine · 2025Article
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Authors and funding
20 authors.
Funding
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Abstract
backgroundVentricular tachycardia (VT) ablation has become a cornerstone of patient care, especially for post-MI VT. Several strategies have proven effective for achieving rhythm control in this population, but the workflow is highly variable and depends on the physician's experience.
aimThis study describes the initial systematic experience of VT ablation targeting wall thickness heterogeneity on a cardiac computed tomography (CT) scanner used as a surrogate for mapped VT isthmii.
methodsConsecutive patients with post-MI VT, a CT scan, and a first VT ablation were included from January 2017 to May 2022. Targets were identified based on wall thickness heterogeneity. After image integration, ablation with > 10 grams, 40-50 W was performed with the aim of blocking the CT channels/render them non-capturable. Only then was inducibility tested. Inducible VT, if any, were conventionally mapped and ablated with the aim of reaching non-inducibility.
resultsThirty-nine patients (97.4% male, age: mean LVEF 35 ± 10%) were included. The mean number of identified CT Channels was 3.6 ± 1.8/patient. Non-inducibility was achieved in 19 (48.7%) of patients after initial imaging-guided ablation, while at least one VT could be induced in 19 (48.7%). Among these patients, 4 had VT related to unblocked or reconnected CT-determined VT channels, and 15 from other areas (border zone), typically with faster cycle length. After further mapping and ablation, 3 (7.7%) patients remained inducible. Mean radiofrequency time was 35 ± 19 min for CT Channels ablation, with an additional 11 ± 8 min for supplementary ablation (global mean RF time 35 ± 19 min). With a mean follow-up of 47.8 ± 24.3 months, 61.9% (95% CI: 44.0%-75.5%) remained VT free.
conclusionCT-guided ablation represents a feasible and safe strategy for VT ablation in patients with an ischemic cardiomyopathy.
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