alexa Radiofrequency Catheter Ablation of Ventricular Tachycardia in Structural Heart Disease: Single Team Experience with Follow-Up upto 5 Years | OMICS International | Abstract


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Research Article

Radiofrequency Catheter Ablation of Ventricular Tachycardia in Structural Heart Disease: Single Team Experience with Follow-Up upto 5 Years

Vikas Kataria1, Amitabh Yaduvanshi2 and Mohan Nair3*
1Department of Cardiology, Senior Consultant, Holy Family Hospital, New Delhi
2Department of Cardiology, Senior Consultant, Holy Family Hospital, New Delhi
3Department of Cardiology, Holy Family Hospital, New Delhi
Corresponding Author : Mohan Nair
Department of Cardiology (Head)
Holy Family Hospital, New Delhi, 110025, India
Tel:
+919910014371
E-mail:
[email protected]
Received: December 28, 2015 Accepted: January 09, 2016 Published: January 15, 2016
Citation: Kataria V, Yaduvanshi A, Nair M (2016) Radiofrequency Catheter Ablation of Ventricular Tachycardia in Structural Heart Disease: Single Team Experience with Follow-Up upto 5 Years. Arrhythm Open Access 1:104. doi:10.4172/atoa.1000104
Copyright: © 2016 Kataria V, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Introduction: Catheter ablation of ventricular tachycardia (VT) in structural heart disease has significantly evolved over the past few decades. We present our experience of VT ablation in such patients over last five years. Methods and Results: Out of 38 cases of VT ablation in patients with structural heart disease done during last five years, 18 had chronic myocardial scar, 2 had recent myocardial infarction, 1 dilated cardiomyopathy and 17 ARVD/C. Substrate modification was performed as first step in majority of patients by using 3D electroanatomical system (NavX, St. Jude Medical, USA). VT induction was tried after substrate modification. End point of ablation was non-inducibility of all VTs. Failure of RFA was seen in no patient. Partial success of RFA was seen in 2 and in 36 (95%) the procedure was fully successful. Fifteen patients already had an ICD implanted whereas 20 patients underwent ICD implantation after the procedure. Median Follow-up available is for 38 months. Four patients had recurrence of VT identified by the ICD. No patient had sudden cardiac death. One patient of ARVD/C had progressive RV failure. Conclusion: VT ablation in patients with underlying structural heart disease significantly reduces the recurrence of VT episodes. It plays an important role in reducing the number of ICD therapies.

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