Evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow-up

Background: Physiologic pacing is safe and feasible, but whether electrical synchrony persists at follow-up in patients undergoing left bundle branch area pacing (LBBAP) is unknown. Objective: To determine performance of electrical synchrony in LBBAP patients at follow-up. Methods: Consecutive patie...

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Main Authors: Sem Briongos-Figuero, MD, PhD, Álvaro Estévez Paniagua, MD, PhD, Manuel Tapia Martínez, MD, Silvia Jiménez Loeches, MD, Ana Sánchez Hernández, MD, Delia Heredero Palomo, RN, Elena Sánchez López, RN, Arantxa Luna Cabadas, RN, Roberto Muñoz-Aguilera, MD, PhD
Format: Article
Language:English
Published: Elsevier 2025-05-01
Series:Heart Rhythm O2
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666501825000765
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author Sem Briongos-Figuero, MD, PhD
Álvaro Estévez Paniagua, MD, PhD
Manuel Tapia Martínez, MD
Silvia Jiménez Loeches, MD
Ana Sánchez Hernández, MD
Delia Heredero Palomo, RN
Elena Sánchez López, RN
Arantxa Luna Cabadas, RN
Roberto Muñoz-Aguilera, MD, PhD
author_facet Sem Briongos-Figuero, MD, PhD
Álvaro Estévez Paniagua, MD, PhD
Manuel Tapia Martínez, MD
Silvia Jiménez Loeches, MD
Ana Sánchez Hernández, MD
Delia Heredero Palomo, RN
Elena Sánchez López, RN
Arantxa Luna Cabadas, RN
Roberto Muñoz-Aguilera, MD, PhD
author_sort Sem Briongos-Figuero, MD, PhD
collection DOAJ
description Background: Physiologic pacing is safe and feasible, but whether electrical synchrony persists at follow-up in patients undergoing left bundle branch area pacing (LBBAP) is unknown. Objective: To determine performance of electrical synchrony in LBBAP patients at follow-up. Methods: Consecutive patients with successful LBBAP for bradycardia pacing indication and preserved left ventricular ejection fraction were selected. At follow-up, a 12-lead electrocardiogram (ECG) was recorded along with echocardiography for myocardial work analysis. V6-R wave peak time (RWPT), V1-RWTP, and QRS duration were compared. Results: One hundred forty-nine patients were studied. After 18.2 ± 7.3 months, V6-RWTP decreased from 74.4 ± 8.9 milliseconds to 71.5 ± 10.6 milliseconds (P < .001) in LBBP captures and from 90.9 ± 7.2 to 85.7 ± 9.3 milliseconds (P = .011) in left ventricular septal pacing (LVSP) captures. V1-RWPT decreased from 120.5 ± 13.1 to 111.7 ± 11.8 milliseconds at follow-up (P < .001) in LBBP and from 118.6 ± 9.9 to 115.2 ± 12.1 milliseconds (P = .052) in LVSP. Paced QRS duration was also significantly reduced in LBBP (from 115.3 ± 13.6 to 107.6 ± 12.8 milliseconds at follow-up; P < .001). At follow-up, 29 patients lost the right bundle branch (RBB) delay pattern in lead V1, but QRS duration remained unchanged (111.3 ± 10.7 at implant vs 109.6 ± 12.5 milliseconds at follow-up; P = .413), as did V6-RWPT, in both LBBP (73.4 ± 5.9 at implant vs 73.1 ± 6.9 milliseconds at follow-up; P = .860) and LVSP captures (86.3 ± 5.6 at implant vs 85.3 ± 8.1 milliseconds at follow-up; P = .658). Mechanical synchrony in patients with and without RBB delay pattern was similar. Conclusions: In patients undergoing LBBAP for bradycardia pacing, electrical synchrony remained stable over time, suggesting that LBBAP is a reliable and durable method for physiologic pacing.
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spelling doaj-art-e238c3e79a74451f9824d1e67e8a1a012025-08-20T01:55:27ZengElsevierHeart Rhythm O22666-50182025-05-016557658710.1016/j.hroo.2025.02.011Evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow-upSem Briongos-Figuero, MD, PhD0Álvaro Estévez Paniagua, MD, PhD1Manuel Tapia Martínez, MD2Silvia Jiménez Loeches, MD3Ana Sánchez Hernández, MD4Delia Heredero Palomo, RN5Elena Sánchez López, RN6Arantxa Luna Cabadas, RN7Roberto Muñoz-Aguilera, MD, PhD8Cardiology Department. Hospital Infanta Leonor Hospital. Gran Vía del Este, 28030, Madrid, Spain; Address reprint requests and correspondence: Sem Briongos-Figuero MD, PhD, Cardiology department, Infanta Leonor Hospital, Gran Vía del Este, 28030, Madrid, Spain.Cardiology Department. Hospital Infanta Leonor Hospital. Gran Vía del Este, 28030, Madrid, SpainCardiology Department. Hospital Central de la Defensa Gómez Ulla, Glorieta del Ejército, 1, 28047, Madrid, SpainCardiology Department. Hospital Infanta Leonor Hospital. Gran Vía del Este, 28030, Madrid, SpainCardiology Department. Hospital Infanta Leonor Hospital. Gran Vía del Este, 28030, Madrid, SpainCardiology Department. Hospital Infanta Leonor Hospital. Gran Vía del Este, 28030, Madrid, SpainCardiology Department. Hospital Infanta Leonor Hospital. Gran Vía del Este, 28030, Madrid, SpainCardiology Department. Hospital Infanta Leonor Hospital. Gran Vía del Este, 28030, Madrid, SpainCardiology Department. Hospital Infanta Leonor Hospital. Gran Vía del Este, 28030, Madrid, SpainBackground: Physiologic pacing is safe and feasible, but whether electrical synchrony persists at follow-up in patients undergoing left bundle branch area pacing (LBBAP) is unknown. Objective: To determine performance of electrical synchrony in LBBAP patients at follow-up. Methods: Consecutive patients with successful LBBAP for bradycardia pacing indication and preserved left ventricular ejection fraction were selected. At follow-up, a 12-lead electrocardiogram (ECG) was recorded along with echocardiography for myocardial work analysis. V6-R wave peak time (RWPT), V1-RWTP, and QRS duration were compared. Results: One hundred forty-nine patients were studied. After 18.2 ± 7.3 months, V6-RWTP decreased from 74.4 ± 8.9 milliseconds to 71.5 ± 10.6 milliseconds (P < .001) in LBBP captures and from 90.9 ± 7.2 to 85.7 ± 9.3 milliseconds (P = .011) in left ventricular septal pacing (LVSP) captures. V1-RWPT decreased from 120.5 ± 13.1 to 111.7 ± 11.8 milliseconds at follow-up (P < .001) in LBBP and from 118.6 ± 9.9 to 115.2 ± 12.1 milliseconds (P = .052) in LVSP. Paced QRS duration was also significantly reduced in LBBP (from 115.3 ± 13.6 to 107.6 ± 12.8 milliseconds at follow-up; P < .001). At follow-up, 29 patients lost the right bundle branch (RBB) delay pattern in lead V1, but QRS duration remained unchanged (111.3 ± 10.7 at implant vs 109.6 ± 12.5 milliseconds at follow-up; P = .413), as did V6-RWPT, in both LBBP (73.4 ± 5.9 at implant vs 73.1 ± 6.9 milliseconds at follow-up; P = .860) and LVSP captures (86.3 ± 5.6 at implant vs 85.3 ± 8.1 milliseconds at follow-up; P = .658). Mechanical synchrony in patients with and without RBB delay pattern was similar. Conclusions: In patients undergoing LBBAP for bradycardia pacing, electrical synchrony remained stable over time, suggesting that LBBAP is a reliable and durable method for physiologic pacing.http://www.sciencedirect.com/science/article/pii/S2666501825000765Left bundle branch area pacingElectrical synchronyRight bundle branch delay patternQRS duration
spellingShingle Sem Briongos-Figuero, MD, PhD
Álvaro Estévez Paniagua, MD, PhD
Manuel Tapia Martínez, MD
Silvia Jiménez Loeches, MD
Ana Sánchez Hernández, MD
Delia Heredero Palomo, RN
Elena Sánchez López, RN
Arantxa Luna Cabadas, RN
Roberto Muñoz-Aguilera, MD, PhD
Evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow-up
Heart Rhythm O2
Left bundle branch area pacing
Electrical synchrony
Right bundle branch delay pattern
QRS duration
title Evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow-up
title_full Evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow-up
title_fullStr Evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow-up
title_full_unstemmed Evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow-up
title_short Evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow-up
title_sort evaluating electrical stability in left bundle branch area pacing for bradycardia patients at follow up
topic Left bundle branch area pacing
Electrical synchrony
Right bundle branch delay pattern
QRS duration
url http://www.sciencedirect.com/science/article/pii/S2666501825000765
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