Catheter ablation of ventricular tachycardia in ischaemic and non-ischaemic cardiomyopathy: where are we today? A clinical review.

[Non-invasive electrophysiologic study and radiofrequency current ablation of tachycardia responsible for numerous inappropriate ICD interventions in patient with post-infarction dilated cardiomyopathy].

We present a case of 75-year-old man with numerous inappropriate interventions of an implanted cardioverter-defibrillator (ICD). In this patient with ischaemic cardiomyopathy, ICD was implanted for primary prevention of sudden cardiac death following recurrent syncope. ICD interrogation and non-invasive electrophysiologic study (NIPS) confirmed a risk of reentry-mediated tachycardia and exclude...

Catheter Ablation of Ventricular Arrhythmia in Non-Ischaemic Cardiomyopathy: Anteroseptal versus Inferolateral Scar Sub-Types

Non-contact mapping to guide catheter ablation of untolerated ventricular tachycardia.

AIMS The role of a novel non-contact mapping system (ESI 3000, Endocardial Solutions) to guide radiofrequency catheter ablation of untolerated ventricular tachycardia was investigated in 17 patients; 11 with prior myocardial infarction, three with arrhythmogenic right ventricular dysplasia, and three with idiopathic dilated cardiomyopathy. METHODS Twenty-seven monomorphic ventricular tachycar...

Improvement of cardiac function and neurological remodeling in a patient with tachycardia-induced cardiomyopathy after catheter ablation.

Incessant ventricular tachycardia and long-standing ectopic beats lead to tachycardia-induced cardiomyopathy. Catheter ablation eliminates ventricular tachycardia and reverses left ventricular (LV) dysfunction. 201-Thallium ((201)Tl) scintigraphy demonstrates perfusion defects with ischemic cardiomyopathy. Reversible perfusion defects are observed even in non-ischemic cardiomyopathy, related to...

Acute right ventricular failure complicating catheter ablation for right ventricular tachycardia

Introduction Catheter ablation is an important treatmentmodality formanagement of ventricular arrhythmias in the setting of implantable cardioverter-defibrillator (ICD) shocks and ventricular tachycardia (VT) storm. The frequency of patients with nonischemic cardiomyopathy requiring ablation for ventricular arrhythmias is increasing.Arrhythmias of right ventricular (RV) origin are less common t...