The Lead Episode 18: A Discussion of Substrate Mapping Alters Ventricular Tachycardia Inducibility

Description

The authors performed a retrospective analysis of the reproducibility of programmed stimulation for the first induction of ventricular tachycardia in those with and without intervening voltage mapping. This was study was not randomized. All subjects had 2 rounds of programmed stimulation separated in time. One group underwent intracardiac echocardiographic mapping in between attempts while the other underwent substrate mapping. The authors found a change in the results of programed stimulation (to either a different VT, or to non-inducibility) more frequently after substrate mapping.

Learning Objectives

Recognize the mechanical effects of substrate mapping on inducibility of ventricular tachycardia.

Article Authors and Podcast Contributors

Article Authors
Asad A. Aboud, MD, Giovanni Davogustto, MD, Oluwaseun Adeola, MD, Travis D. Richardson, MD, Kenichi Tokutake, MD, Gregory F. Michaud, MD, William G. Stevenson, MD, Arvindh Kanagasundram, MD

Podcast Contributors
Jason T. Jacobson, MD, FHRS, of Westchester Med Center-New York Med College
David S. Frankel, MD, FHRS, of the Hospital of the University of Pennsylvania
Usha B. Tedrow, MD, MS, FHRS, of Brigham and Women's Hospital

Disclosures

All relevant financial relationships have been mitigated.

Host Disclosure(s):
J. Jacobson: Honoraria/Speaking/Consulting Fee: American College of Cardiology, Zoll Medical Corporation; Research (Contracted Grants for PIs Named Investigators Only): Aboot, Phillips; Stocks (Privately Held): Atlas 5D

Contributor Disclosure(s):
D. Frankel: Honoraria/Speaking/Consulting Fee: Biosense Webster, Inc., Medtronic, Abbott Medical, Stryker, Boston Scientific
U. Tedrow: Honoraria/Speaking/Consulting Fee: Biosense Webster, Inc., St. Jude Medical, Thermedical, Medtronic, Boston Scientific, Baylis Medical Company

Staff Disclosure(s) (note: HRS staff are NOT in control of educational content. Disclosures are provided solely for full transparency to the learner):
J. Glenn: No relevant financial relationships with ineligible companies to disclose.
S. Sailor: No relevant financial relationships with ineligible companies to disclose.

Summary


Availability:	On-Demand


Cost:	FREE


Credit Offered:	No Credit Offered

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