Limited value of programmed electrical stimulation from multiple right ventricular pacing sites in clinically sustained ventricular fibrillation or ventricular tachycardia associated with coronary artery disease

Peter J. Kudenchuk, Jack Kron, Charles Walance, John H. Mcanulty

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

One-hundred and fifty patients with coronary artery disease and a documented history of sustained ventricular tachyarrhythmias were studied to determine if programmed electrical stimulation (PES) from a second right ventricular (RV) pacing site optimizes the induction of such sustained arrhythmias. The first PES test was performed from 2 RV pacing sites (apex and outflow tract or septum) using the apex first in each patient. All patients underwent a second PES within 6 to 24 hours of the first; both studies used up to 4 ventricular extrastimuli, in the absence of antiarrhythmic treatment. The second PES was performed from a single RV apical site using a pacing catheter retained from the first study. During the first day's study, 74 patients (49%) had sustained ventricular tachycardia induced from the RV apex. Only 11 of the remaining 76 patients (7% of the total group) were inducible exclusively from a second RV pacing location during the first day's testing. Seven of these 11 patients, as well as 15 additional patients who did not have ventricular tachycardia induced from either site on the first day's study, were inducible from the RV apex during the second drug-free study. Among patients with sustained ventricular tachyarrhythmias, limiting PES to a single RV site, with the option of performing a second study in those who are initially noninducible is more effective in inducing sustained ventricular tachyarrhythmias than is PES performed from 2 RV pacing sites.

Original languageEnglish (US)
Pages (from-to)303-308
Number of pages6
JournalThe American Journal of Cardiology
Volume61
Issue number4
DOIs
StatePublished - Feb 1 1988

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Ventricular Fibrillation
Ventricular Tachycardia
Electric Stimulation
Coronary Artery Disease
Tachycardia
Cardiac Arrhythmias
Catheters
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Limited value of programmed electrical stimulation from multiple right ventricular pacing sites in clinically sustained ventricular fibrillation or ventricular tachycardia associated with coronary artery disease. / Kudenchuk, Peter J.; Kron, Jack; Walance, Charles; Mcanulty, John H.

In: The American Journal of Cardiology, Vol. 61, No. 4, 01.02.1988, p. 303-308.

Research output: Contribution to journalArticle

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