This prospective, multicenter, open-label, randomized-controlled trial compares two treatment strategies in high-risk ischemic cardiomyopathy (ICM) patients referred for primary ICD implantation. Participants will be randomized to receive either prophylactic VT ablation within three months of ICD implantation or continued medical management. The primary objective is to assess the efficacy of preventive VT ablation versus medical management in reducing VT arrhythmia burden.
This study aims to assess the impact of prophylactic catheter-based ventricular tachycardia (VT) ablation compared to medical management in high-risk patients with ischemic cardiomyopathy (ICM) undergoing primary implantable cardioverter defibrillator (ICD) implantation. The primary outcome measure is the burden of VT arrhythmias (VTA), defined as the total number of VT events, one year post-ICD implantation. The hypothesis suggests that employing VT ablation with high-density electroanatomic mapping (EnsiteTM) will significantly reduce both treated and monitored VT episodes. The study will randomize 62 participants in a 1:1 ratio across 20 experienced sites in Europe.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
62
Prophylactic Catheter-based VT Ablation refers to a treatment strategy where participants undergo a procedure known as catheter-based ventricular tachycardia (VT) ablation shortly after receiving their primary implantable cardioverter defibrillator (ICD).
Righospitalet
Copenhagen, Region H, Denmark
RECRUITINGCentre Hospitalier De Pau
Pau, Gave de Pau, France
RECRUITINGHopital Trousseau Chru de Tours
Chambray-lès-Tours, Indre-et-Loire, France
RECRUITINGCentre Hospitalier Universitaire de Bordeaux
Pessac, France
RECRUITINGUnidad de Arritimias, Hospital Clínic Barcelona
Barcelona, Spain
RECRUITINGTotal Number of VT Arrhythmia Events in High-Risk Patients with Ischemic Cardiomyopathy (ICM) After Primary ICD Implantation: Comparison of Preventive Catheter-Based VT Ablation Versus Medical Management.
Evaluating the impact of preventive catheter-based VT ablation versus medical management on the total number of VT arrhythmia events in high-risk patients with ischemic cardiomyopathy (ICM) after primary ICD implantation.
Time frame: One year following ICD implantation.
Impact of Preventive VT Ablation on Healthcare Utilization, assessed using the mean rate of events per arm.
Assessing whether preventive VT ablation compared to medical management reduces healthcare resource utilization in high-risk patients with ICM after primary ICD implantation. Healthcare resource utilization will be quantified by averaging planned and unplanned in-office visits, urgent care or emergency room visits, hospitalizations, repeat ablations, or mortality per arm. Data on healthcare utilization will be collected at all follow-up visits (months 3, 6, and 9) and at the end-of-study visit. Analysis will be conducted using a t-test for comparison.
Time frame: One year following ICD implantation.
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