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Review
. 2023 May;9(5):697-700.
doi: 10.1016/j.jacep.2023.03.001.

Failure of Intrinsic Antitachycardia Pacing to Terminate Ventricular Tachycardia and Potential Proarrhythmic Effects

Anvi Raina  1 , Martin van Zyl  1 , Mark Henrich  1 , Abhishek J Deshmukh  1 , Gurukripa N Kowlgi  2
Affiliations
Free article
Review

Failure of Intrinsic Antitachycardia Pacing to Terminate Ventricular Tachycardia and Potential Proarrhythmic Effects

Anvi Raina et al. JACC Clin Electrophysiol. 2023 May.
Free article

Abstract

Intrinsic antitachycardia pacing (iATP) is a novel, automated antitachycardia pacing (ATP) algorithm that provides individualized therapy to terminate ventricular tachycardia (VT). If the first ATP attempt is unsuccessful, the algorithm analyzes the tachycardia cycle length and the postpacing interval and adjusts the subsequent sequence to successfully terminate VT. This algorithm was effective in a single clinical study without a comparator arm. However, iATP failure has not been well-documented in the literature. This publication represents the first case series with episode analysis of iATP failure, including a demonstration of its proarrhythmic effect.

Keywords: intrinsic antitachycardia pacing; proarrhythmia; ventricular tachycardia.

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Conflict of interest statement

Funding Support and Author Disclosures The authors have reported that they have no relationships relevant to the contents of this paper to disclose.

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