Ventricular Duration Map Area as a Valuable and Effective Target for VT Ablation End Point in Ischemic Cardiomyopathy: The VEDUM FREEDOM Study.

ABSTRACT:

Background

Ventricular electrogram duration map (VEDUM) is a new approach for the identification of the arrhythmogenic substrate critical for ventricular tachycardia (VT), and it is based on the evaluation of the prolonged bipolar electrograms. Our aim is to evaluate the prognostic role of the VEDUM area in patients with VT and ischemic cardiomyopathy.

Methods

We enrolled all patients with ischemic cardiomyopathy who underwent VT ablation in 2 different centers. After isthmus transection for VT inducible, the procedure was aimed at noninducibility of any VT plus substrate modification. For each patient, we retrospectively analyzed the amount of the VEDUM area covered during catheter ablation. The primary outcome included any recurrence of sustained VT.

Results

Seventy

SUBMITTER: Cauti FM 

PROVIDER: S-EPMC12629122 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature