Catheter ablation for ventricular tachycardia

Abstract

Advances over the past decade now allow ablation of multiple, hemodynamically unstable, epicardial, and polymorphic VTs, formerly considered unmappable. Specific locations for the origins of idiopathic VT outside of the RVOT have been defined that can be expected to improve overall success for ablation of these arrhythmias. Reported outcome data are from highly specialized and experienced centers and likely suffer from reporting bias. These procedures are often more difficult than ablation of many supraventricular tachycardias and are best approached by experienced operators in experienced laboratories. The field continues to benefit from technological developments. When the expertise is available, catheter ablation should be considered earlier in the therapeutic armamentarium for treatment of recurrent VT. © 2007 American Heart Association, Inc.