Characterization of the phrenic nerve course within the epicardial substrate of patients with nonischemic cardiomyopathy and ventricular tachycardia

Roger Fan, Oscar Cano, Siew Yen Ho, Rupa Bala, David J. Callans, Sanjay Dixit, Fermin Garcia, Edward P. Gerstenfeld, Mathew Hutchinson, David Lin, Michael Riley, Francis E. Marchlinski

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

Background: Patients with nonischemic cardiomyopathy and ventricular tachycardia (VT) often have low-voltage areas in the lateral left ventricular (LV) epicardium that serve as the VT substrate. The course of the left phrenic nerve in this region may pose a challenge to successful and safe ablation. Objective: The purpose of this study was to delineate the left phrenic nerve course in patients with nonischemic cardiomyopathy and suspected epicardial VT and to characterize its relationship with the VT substrate. Methods: In 10 patients with nonischemic cardiomyopathy undergoing epicardial VT mapping and ablation, the course of the phrenic nerve was defined by pacing. The extent of epicardial LV low-voltage areas (

Original languageEnglish (US)
Pages (from-to)59-64
Number of pages6
JournalHeart Rhythm
Volume6
Issue number1
DOIs
StatePublished - Jan 2009
Externally publishedYes

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Phrenic Nerve
Ventricular Tachycardia
Cardiomyopathies
Pericardium

Keywords

  • Catheter ablation
  • Epicardial
  • Nonischemic cardiomyopathy
  • Phrenic nerve
  • Ventricular tachycardia
  • Voltage mapping

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

Characterization of the phrenic nerve course within the epicardial substrate of patients with nonischemic cardiomyopathy and ventricular tachycardia. / Fan, Roger; Cano, Oscar; Ho, Siew Yen; Bala, Rupa; Callans, David J.; Dixit, Sanjay; Garcia, Fermin; Gerstenfeld, Edward P.; Hutchinson, Mathew; Lin, David; Riley, Michael; Marchlinski, Francis E.

In: Heart Rhythm, Vol. 6, No. 1, 01.2009, p. 59-64.

Research output: Contribution to journalArticle

Fan, R, Cano, O, Ho, SY, Bala, R, Callans, DJ, Dixit, S, Garcia, F, Gerstenfeld, EP, Hutchinson, M, Lin, D, Riley, M & Marchlinski, FE 2009, 'Characterization of the phrenic nerve course within the epicardial substrate of patients with nonischemic cardiomyopathy and ventricular tachycardia', Heart Rhythm, vol. 6, no. 1, pp. 59-64. https://doi.org/10.1016/j.hrthm.2008.09.033
Fan, Roger ; Cano, Oscar ; Ho, Siew Yen ; Bala, Rupa ; Callans, David J. ; Dixit, Sanjay ; Garcia, Fermin ; Gerstenfeld, Edward P. ; Hutchinson, Mathew ; Lin, David ; Riley, Michael ; Marchlinski, Francis E. / Characterization of the phrenic nerve course within the epicardial substrate of patients with nonischemic cardiomyopathy and ventricular tachycardia. In: Heart Rhythm. 2009 ; Vol. 6, No. 1. pp. 59-64.
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AU - Fan, Roger

AU - Cano, Oscar

AU - Ho, Siew Yen

AU - Bala, Rupa

AU - Callans, David J.

AU - Dixit, Sanjay

AU - Garcia, Fermin

AU - Gerstenfeld, Edward P.

AU - Hutchinson, Mathew

AU - Lin, David

AU - Riley, Michael

AU - Marchlinski, Francis E.

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AB - Background: Patients with nonischemic cardiomyopathy and ventricular tachycardia (VT) often have low-voltage areas in the lateral left ventricular (LV) epicardium that serve as the VT substrate. The course of the left phrenic nerve in this region may pose a challenge to successful and safe ablation. Objective: The purpose of this study was to delineate the left phrenic nerve course in patients with nonischemic cardiomyopathy and suspected epicardial VT and to characterize its relationship with the VT substrate. Methods: In 10 patients with nonischemic cardiomyopathy undergoing epicardial VT mapping and ablation, the course of the phrenic nerve was defined by pacing. The extent of epicardial LV low-voltage areas (

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KW - Epicardial

KW - Nonischemic cardiomyopathy

KW - Phrenic nerve

KW - Ventricular tachycardia

KW - Voltage mapping

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