Introduction
Several studies have demonstrated the efficacy of radiofrequency
catheter ablation as an adjunctive therapy for selected patients with
structural heart disease (SHD) and drug-resistant ventricular
tachycardia (VT)1,2. Different ablation strategies
have been proposed, and their outcomes varied across clinical
trials3–9. Generally, the ideal endpoint of VT
ablation in patients with SHD is non-inducibility of VT at the end of
the ablation procedure10–12. Several retrospective
comparative studies and meta-analysis have demonstrated that patients in
whom VT cannot be induced at the conclusion of an ablation have a
favorable outcome10–15. However, these studies have
been limited because they lack data of patients who did not undergo
programmed electrical stimulation (PES) at the end of the ablation
procedure and data on the long-term follow-up of those patients. To
answer this important clinical real-world question, we aimed to evaluate
details and outcomes of patients who did not undergo PES at the end of
the ablation procedure through our single-center experience.