Why the study?
Many patients have VT recurrences after catheter-based RF ablation, especially with intramural substrates inaccessible through endo- or epicardial catheter approaches.
Does alcohol ablation improve outcomes in patients with RF-refractory ventricular tachycardia?
Does alcohol ablation improve outcomes in patients with RF-refractory ventricular tachycardia?
This review summarizes the mechanisms, procedural aspects, and outcomes of alcohol ablation for patients with RF-refractory ventricular tachycardia.
Unconventional ethanol ablation techniques may address inaccessible intramural VT; leaves open their role pending prospective trials.
Catheter-based radiofrequency (RF) ablation is an effective, well-established therapy for ventricular tachycardia (VT). However, a large number of patients still have recurrences, particularly those with substrates arising from intramural locations that are inaccessible through endo- or epicardial catheter approaches. Several unconventional ablation techniques have been proposed to treat RF-refractory VT, including transarterial coronary ethanol ablation and retrograde coronary venous ethanol ablation. We review the evidence regarding the mechanisms, procedural aspects, and alcohol ablation outcomes for ventricular arrhythmias.
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Lador et al. (2021) studied this question.
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