Key result
Survey shows VT ablation is primarily used for recurrent shocks and electrical storm via endocardial substrate mapping.
Why the study?
Current practice patterns of ventricular tachycardia ablation in patients with implantable cardioverter-defibrillators are not well characterized among European centers.
Cross-Sectional
Yes
This survey highlights that VT ablation in ICD patients across European centers is primarily performed for electrical storm or multiple shocks, predominantly using endocardial substrate mapping.
Documents real-world VT ablation practices in Europe; leaves open optimal timing and approaches pending randomized trials.
We performed a survey on current practice of ventricular tachycardia (VT) ablation in patients with implantable cardioverter-defibrillators among the European Heart Rhythm Association Research Network. The main indication for the procedure is the occurrence of multiple shocks or electrical storm, while prophylactic ablation is only rarely performed. The epicardial approach is seldom used and mostly only after failure of endocardial ablation. The main ablation strategy is targeting the clinical VT only by substrate mapping and ablation, and by targeting fractionated potentials with utilization of modern electroanatomical mapping systems. Still, a considerable number of centres frequently perform the procedure using conventional mapping catheters only.
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Dagres et al. (2011) conducted a cross-sectional in Ventricular tachycardia in patients with implantable cardioverter-defibrillators. Ventricular tachycardia ablation practices was evaluated on Current practice of VT ablation (indications, approaches, strategies). A survey of the European Heart Rhythm Association Research Network revealed that VT ablation is mainly indicated for multiple shocks or electrical storm, primarily utilizing endocardial substrate mapping.
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