Why the study?
Preprocedural imaging may improve identification of arrhythmogenic substrates during VT ablation, particularly in patients with nonischemic cardiomyopathy who have suboptimal outcomes.
Does preprocedural imaging-guided ventricular tachycardia ablation result in similar safety and long-term efficacy in patients with nonischemic cardiomyopathy compared to ischemic cardiomyopathy?
Population
102 consecutive patients referred for scar-related VT ablation
Comparison
NICM vs ICM undergoing preprocedural imaging-guided VT ablation
Design
Prospective single-center study
Follow-up
36 months
Authors
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Observational data suggest comparable long-term outcomes with imaging-guided VT ablation in NICM and ICM; leaves open randomized confirmation of activation mapping benefit.
Does preprocedural imaging-guided ventricular tachycardia ablation result in similar safety and long-term efficacy in patients with nonischemic cardiomyopathy compared to ischemic cardiomyopathy?
Preprocedural imaging-guided VT ablation yields comparable long-term efficacy and safety in patients with nonischemic and ischemic cardiomyopathy, with further prognostic benefits when activation mapping is added to substrate ablation.
Nunes-Ferreira et al. (2024) studied this question.
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