Multicenter Outcomes for Catheter Ablation of Idiopathic Premature Ventricular Complexes

JACC. Clinical Electrophysiology
Rakesh LatchamsettyFrank Bogun

Abstract

This study reports multicenter outcomes and complications for catheter ablation of premature ventricular complexes (PVCs) and investigates predictors of procedural success, as well as development of PVC-induced cardiomyopathy. Catheter ablation of frequent idiopathic PVCs is used to eliminate symptoms and treat PVC-induced cardiomyopathy. Large-scale multicenter outcomes and complication rates have not been reported. This retrospective cohort study included 1,185 patients (55% female; mean age 52 ± 15 years; mean ejection fraction 55 ± 10%; mean PVC burden 20 ± 13%) who underwent catheter ablation for idiopathic PVCs at 8 centers between 2004 and 2013. The following factors were evaluated: patient demographics, procedural characteristics, complication rates, and clinical outcomes. Acute procedural success was achieved in 84% of patients. In centers at which patients were followed up routinely with post-ablation Holter monitoring, continued success at clinical follow-up without use of antiarrhythmic drugs was 71%. Including the use of antiarrhythmic medications, the success rate at a mean of 1.9 years of follow-up was 85%. In a multivariate analysis, the significant predictors of acute success were PVC location and number of dis...Continue Reading

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