Right Ventricular Outflow Versus Apical Pacing in Pacemaker Patients with Congestive Heart Failure and Atrial Fibrillation

Bruce S. Stambler, Kenneth A. Ellenbogen, Xiaozheng Zhang, Thomas Richard Porter, Feng Xie, Rajesh Malik, Roy Small, Martin Burke, Andrew Kaplan, Lawrence Nair, Michael Belz, Charles Fuenzalida, Michael Gold, Charles Love, Arjun Sharma, Russell Silverman, Felix Sogade, Bruce Van Natta, Bruce L. Wilkoff

Research output: Contribution to journalArticle

187 Citations (Scopus)

Abstract

Introduction: Prior studies suggest that right ventricular apical (RVA) pacing has deleterious effects. Whether the right ventricular outflow tract (RVOT) is a more optimal site for permanent pacing in patients with congestive heart failure (CHF) has not been established. Methods and Results: We conducted a randomized, cross-over trial to determine whether quality of life (QOL) is better after 3 months of RVOT than RVA pacing in 103 pacemaker recipients with CHF, left ventricular (LV) systolic dysfunction (LV ejection fraction ≤ 40%), and chronic atrial fibrillation (AF). An additional aim was to compare dual-site (RVOT + RVA, 31-ms delay) with single-site RVA and RVOT pacing. QRS duration was shorter during RVOT (167 ± 45 ms) and dual-site (149 ± 19 ms) than RVA pacing (180 ± 58 ms, P < 0.0001). At 6 months, the RVOT group had higher (P = 0.01) role-emotional QOL subscale scores than the RVA group. At 9 months, there were no significant differences in QOL scores between RVOT and RVA groups. Comparing RVOT to RVA pacing within the same patient, mental health subscale scores were better (P = 0.03) during RVOT pacing. After 9 months of follow-up, LVEF was higher (P = 0.04) in those assigned to RVA rather than RVOT pacing between months 6 and 9. After 3 months of dual-site RV pacing, physical functioning was worse (P = 0.04) than during RVA pacing, mental health was worse (P = 0.02) than during RVOT pacing, and New York Heart Association (NYHA) functional class was slightly better (P = 0.03) than during RVOT pacing. There were no other significant differences between RVA, RVOT and dual-site RV pacing in QOL scores, NYHA class, distance walked in 6 minutes, LV ejection fraction, or mitral regurgitation. Conclusion: In patients with CHF, LV dysfunction, and chronic AF, RVOT and dual-site RV pacing shorten QRS duration but after 3 months do not consistently improve QOL or other clinical outcomes compared with RVA pacing.

Original languageEnglish (US)
Pages (from-to)1180-1186
Number of pages7
JournalJournal of Cardiovascular Electrophysiology
Volume14
Issue number11
DOIs
StatePublished - Nov 1 2003

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Atrial Fibrillation
Heart Failure
Quality of Life
Left Ventricular Dysfunction
Stroke Volume
Mental Health
Mitral Valve Insufficiency
Cross-Over Studies

Keywords

  • Heart failure
  • Pacemakers
  • Pacing

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

Right Ventricular Outflow Versus Apical Pacing in Pacemaker Patients with Congestive Heart Failure and Atrial Fibrillation. / Stambler, Bruce S.; Ellenbogen, Kenneth A.; Zhang, Xiaozheng; Porter, Thomas Richard; Xie, Feng; Malik, Rajesh; Small, Roy; Burke, Martin; Kaplan, Andrew; Nair, Lawrence; Belz, Michael; Fuenzalida, Charles; Gold, Michael; Love, Charles; Sharma, Arjun; Silverman, Russell; Sogade, Felix; Van Natta, Bruce; Wilkoff, Bruce L.

In: Journal of Cardiovascular Electrophysiology, Vol. 14, No. 11, 01.11.2003, p. 1180-1186.

Research output: Contribution to journalArticle

Stambler, BS, Ellenbogen, KA, Zhang, X, Porter, TR, Xie, F, Malik, R, Small, R, Burke, M, Kaplan, A, Nair, L, Belz, M, Fuenzalida, C, Gold, M, Love, C, Sharma, A, Silverman, R, Sogade, F, Van Natta, B & Wilkoff, BL 2003, 'Right Ventricular Outflow Versus Apical Pacing in Pacemaker Patients with Congestive Heart Failure and Atrial Fibrillation', Journal of Cardiovascular Electrophysiology, vol. 14, no. 11, pp. 1180-1186. https://doi.org/10.1046/j.1540-8167.2003.03216.x
Stambler, Bruce S. ; Ellenbogen, Kenneth A. ; Zhang, Xiaozheng ; Porter, Thomas Richard ; Xie, Feng ; Malik, Rajesh ; Small, Roy ; Burke, Martin ; Kaplan, Andrew ; Nair, Lawrence ; Belz, Michael ; Fuenzalida, Charles ; Gold, Michael ; Love, Charles ; Sharma, Arjun ; Silverman, Russell ; Sogade, Felix ; Van Natta, Bruce ; Wilkoff, Bruce L. / Right Ventricular Outflow Versus Apical Pacing in Pacemaker Patients with Congestive Heart Failure and Atrial Fibrillation. In: Journal of Cardiovascular Electrophysiology. 2003 ; Vol. 14, No. 11. pp. 1180-1186.
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AU - Ellenbogen, Kenneth A.

AU - Zhang, Xiaozheng

AU - Porter, Thomas Richard

AU - Xie, Feng

AU - Malik, Rajesh

AU - Small, Roy

AU - Burke, Martin

AU - Kaplan, Andrew

AU - Nair, Lawrence

AU - Belz, Michael

AU - Fuenzalida, Charles

AU - Gold, Michael

AU - Love, Charles

AU - Sharma, Arjun

AU - Silverman, Russell

AU - Sogade, Felix

AU - Van Natta, Bruce

AU - Wilkoff, Bruce L.

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N2 - Introduction: Prior studies suggest that right ventricular apical (RVA) pacing has deleterious effects. Whether the right ventricular outflow tract (RVOT) is a more optimal site for permanent pacing in patients with congestive heart failure (CHF) has not been established. Methods and Results: We conducted a randomized, cross-over trial to determine whether quality of life (QOL) is better after 3 months of RVOT than RVA pacing in 103 pacemaker recipients with CHF, left ventricular (LV) systolic dysfunction (LV ejection fraction ≤ 40%), and chronic atrial fibrillation (AF). An additional aim was to compare dual-site (RVOT + RVA, 31-ms delay) with single-site RVA and RVOT pacing. QRS duration was shorter during RVOT (167 ± 45 ms) and dual-site (149 ± 19 ms) than RVA pacing (180 ± 58 ms, P < 0.0001). At 6 months, the RVOT group had higher (P = 0.01) role-emotional QOL subscale scores than the RVA group. At 9 months, there were no significant differences in QOL scores between RVOT and RVA groups. Comparing RVOT to RVA pacing within the same patient, mental health subscale scores were better (P = 0.03) during RVOT pacing. After 9 months of follow-up, LVEF was higher (P = 0.04) in those assigned to RVA rather than RVOT pacing between months 6 and 9. After 3 months of dual-site RV pacing, physical functioning was worse (P = 0.04) than during RVA pacing, mental health was worse (P = 0.02) than during RVOT pacing, and New York Heart Association (NYHA) functional class was slightly better (P = 0.03) than during RVOT pacing. There were no other significant differences between RVA, RVOT and dual-site RV pacing in QOL scores, NYHA class, distance walked in 6 minutes, LV ejection fraction, or mitral regurgitation. Conclusion: In patients with CHF, LV dysfunction, and chronic AF, RVOT and dual-site RV pacing shorten QRS duration but after 3 months do not consistently improve QOL or other clinical outcomes compared with RVA pacing.

AB - Introduction: Prior studies suggest that right ventricular apical (RVA) pacing has deleterious effects. Whether the right ventricular outflow tract (RVOT) is a more optimal site for permanent pacing in patients with congestive heart failure (CHF) has not been established. Methods and Results: We conducted a randomized, cross-over trial to determine whether quality of life (QOL) is better after 3 months of RVOT than RVA pacing in 103 pacemaker recipients with CHF, left ventricular (LV) systolic dysfunction (LV ejection fraction ≤ 40%), and chronic atrial fibrillation (AF). An additional aim was to compare dual-site (RVOT + RVA, 31-ms delay) with single-site RVA and RVOT pacing. QRS duration was shorter during RVOT (167 ± 45 ms) and dual-site (149 ± 19 ms) than RVA pacing (180 ± 58 ms, P < 0.0001). At 6 months, the RVOT group had higher (P = 0.01) role-emotional QOL subscale scores than the RVA group. At 9 months, there were no significant differences in QOL scores between RVOT and RVA groups. Comparing RVOT to RVA pacing within the same patient, mental health subscale scores were better (P = 0.03) during RVOT pacing. After 9 months of follow-up, LVEF was higher (P = 0.04) in those assigned to RVA rather than RVOT pacing between months 6 and 9. After 3 months of dual-site RV pacing, physical functioning was worse (P = 0.04) than during RVA pacing, mental health was worse (P = 0.02) than during RVOT pacing, and New York Heart Association (NYHA) functional class was slightly better (P = 0.03) than during RVOT pacing. There were no other significant differences between RVA, RVOT and dual-site RV pacing in QOL scores, NYHA class, distance walked in 6 minutes, LV ejection fraction, or mitral regurgitation. Conclusion: In patients with CHF, LV dysfunction, and chronic AF, RVOT and dual-site RV pacing shorten QRS duration but after 3 months do not consistently improve QOL or other clinical outcomes compared with RVA pacing.

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KW - Pacemakers

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