Catheter Ablation Versus Antiarrhythmic Drugs for Outflow Tract Ventricular ARrhythmias

A randomized, parallel, open study comparing catheter ablation versus antiarrhythmic drugs for outflow tract ventricular arrhythmias

Inclusion Criteria:

1. presence of ventricular ectopic beats (VEB) with left-bundle-branch block morphology or right-bundle-branch block morphology and positive concordance throughout the chest leads, inferior axis and at least one of the following:

1. >2000 isolated VEB/24h
2. symptomatic monomorphic ventricular tachycardia
3. left ventricular disfunction supposed to be due to tachycardia-induced cardiomyopathy

Exclusion Criteria:

1. known structural heart disease
2. pregnancy
3. life expectancy < 1 year