Percutaneous epicardial pacing using a novel insulated multi-electrode lead

Faisal F. Syed, Christopher V. DeSimone, Elisa Ebrille, Prakriti Gaba, Dorothy J. Ladewig, Susan B. Mikell, Scott H. Suddendorf, Emily J. Gilles, Andrew J. Danielsen, Markéta Lukášová, Jiří Wolf, Pavel Leinveber, Miroslav Novák, Zdeněk Stárek, Tomas Kara, Charles J Bruce, Paul Andrew Friedman, Samuel J Asirvatham

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Objectives This study hypothesized that shielded electrodes could capture myocardium without extracardiac stimulation. Background Epicardial cardiac resynchronization therapy (CRT) permits unrestricted electrode positioning. However, this therapy requires surgical placement of device leads and risks unwanted phrenic nerve stimulation. Methods In 6 dog and 5 swine experiments, we used a percutaneous approach to access the epicardial surface of the heart and deployed novel leads housing multiple electrodes with selective insulation. Bipolar pacing thresholds at pre-specified sites were tested to compare electrode threshold data, facing both toward and away from the epicardial surface. Results In 151 paired electrode recordings (70 in 6 dogs; 81 in 5 swine), thresholds facing myocardium were lower than those facing away (median threshold of 0.9 [interquartile range (IQR): 0.4 to 1.6] mA vs. 4.6 [IQR: 2.1 to >10.0] mA, respectively, for dogs, p <0.0001; and 0.5 [IQR: 0.2 to 1.0] mA vs 2.5 [IQR: 0.5 to 6.8] mA, respectively, for swine, p <0.0001). Myocardial capture was feasible without extracardiac stimulation at all tested sites, with mean ± SE threshold margin of 3.6 ± 0.7 mA at sites of high output extracardiac stimulation (p = 0.004). Conclusions Selective electrode insulation confers directional pacing to a multi-electrode epicardial pacing lead. This device has the potential for a novel percutaneous epicardial resynchronization therapy that permits placement at an optimal pacing site, irrespective of the anatomy of the coronary veins or phrenic nerves.

Original languageEnglish (US)
Pages (from-to)273-283
Number of pages11
JournalJACC: Clinical Electrophysiology
Volume1
Issue number4
DOIs
StatePublished - Aug 1 2015

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Electrodes
Phrenic Nerve
Swine
Dogs
Myocardium
Equipment and Supplies
Cardiac Resynchronization Therapy
Anatomy
Coronary Vessels
Therapeutics

Keywords

  • bioelectrical therapy
  • biventricular pacing
  • cardiac resynchronization therapy
  • epicardial mapping
  • epicardial pacing
  • minimally invasive
  • multisite pacing
  • pericardial intervention
  • phrenic nerve stimulation
  • steerable pericardial sheath

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

Percutaneous epicardial pacing using a novel insulated multi-electrode lead. / Syed, Faisal F.; DeSimone, Christopher V.; Ebrille, Elisa; Gaba, Prakriti; Ladewig, Dorothy J.; Mikell, Susan B.; Suddendorf, Scott H.; Gilles, Emily J.; Danielsen, Andrew J.; Lukášová, Markéta; Wolf, Jiří; Leinveber, Pavel; Novák, Miroslav; Stárek, Zdeněk; Kara, Tomas; Bruce, Charles J; Friedman, Paul Andrew; Asirvatham, Samuel J.

In: JACC: Clinical Electrophysiology, Vol. 1, No. 4, 01.08.2015, p. 273-283.

Research output: Contribution to journalArticle

Syed, FF, DeSimone, CV, Ebrille, E, Gaba, P, Ladewig, DJ, Mikell, SB, Suddendorf, SH, Gilles, EJ, Danielsen, AJ, Lukášová, M, Wolf, J, Leinveber, P, Novák, M, Stárek, Z, Kara, T, Bruce, CJ, Friedman, PA & Asirvatham, SJ 2015, 'Percutaneous epicardial pacing using a novel insulated multi-electrode lead', JACC: Clinical Electrophysiology, vol. 1, no. 4, pp. 273-283. https://doi.org/10.1016/j.jacep.2015.04.012
Syed, Faisal F. ; DeSimone, Christopher V. ; Ebrille, Elisa ; Gaba, Prakriti ; Ladewig, Dorothy J. ; Mikell, Susan B. ; Suddendorf, Scott H. ; Gilles, Emily J. ; Danielsen, Andrew J. ; Lukášová, Markéta ; Wolf, Jiří ; Leinveber, Pavel ; Novák, Miroslav ; Stárek, Zdeněk ; Kara, Tomas ; Bruce, Charles J ; Friedman, Paul Andrew ; Asirvatham, Samuel J. / Percutaneous epicardial pacing using a novel insulated multi-electrode lead. In: JACC: Clinical Electrophysiology. 2015 ; Vol. 1, No. 4. pp. 273-283.
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AU - DeSimone, Christopher V.

AU - Ebrille, Elisa

AU - Gaba, Prakriti

AU - Ladewig, Dorothy J.

AU - Mikell, Susan B.

AU - Suddendorf, Scott H.

AU - Gilles, Emily J.

AU - Danielsen, Andrew J.

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AU - Wolf, Jiří

AU - Leinveber, Pavel

AU - Novák, Miroslav

AU - Stárek, Zdeněk

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AU - Friedman, Paul Andrew

AU - Asirvatham, Samuel J

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N2 - Objectives This study hypothesized that shielded electrodes could capture myocardium without extracardiac stimulation. Background Epicardial cardiac resynchronization therapy (CRT) permits unrestricted electrode positioning. However, this therapy requires surgical placement of device leads and risks unwanted phrenic nerve stimulation. Methods In 6 dog and 5 swine experiments, we used a percutaneous approach to access the epicardial surface of the heart and deployed novel leads housing multiple electrodes with selective insulation. Bipolar pacing thresholds at pre-specified sites were tested to compare electrode threshold data, facing both toward and away from the epicardial surface. Results In 151 paired electrode recordings (70 in 6 dogs; 81 in 5 swine), thresholds facing myocardium were lower than those facing away (median threshold of 0.9 [interquartile range (IQR): 0.4 to 1.6] mA vs. 4.6 [IQR: 2.1 to >10.0] mA, respectively, for dogs, p <0.0001; and 0.5 [IQR: 0.2 to 1.0] mA vs 2.5 [IQR: 0.5 to 6.8] mA, respectively, for swine, p <0.0001). Myocardial capture was feasible without extracardiac stimulation at all tested sites, with mean ± SE threshold margin of 3.6 ± 0.7 mA at sites of high output extracardiac stimulation (p = 0.004). Conclusions Selective electrode insulation confers directional pacing to a multi-electrode epicardial pacing lead. This device has the potential for a novel percutaneous epicardial resynchronization therapy that permits placement at an optimal pacing site, irrespective of the anatomy of the coronary veins or phrenic nerves.

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