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Diaz JC, Tedrow UB, Duque M, Aristizabal J, Braunstein ED, Marin J, Niño C, Bastidas O, Lopez Cabanillas N, Koplan BA, Hoyos C, Matos CD, Hincapie D, Velasco A, Steiger NA, Kapur S, Tadros TM, Zei PC, Sauer WH, Romero JE. Left Bundle Branch Pacing vs Left Ventricular Septal Pacing vs Biventricular Pacing for Cardiac Resynchronization Therapy. JACC Clin Electrophysiol 2024; 10:295-305. [PMID: 38127008 DOI: 10.1016/j.jacep.2023.10.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/04/2023] [Accepted: 10/20/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Left bundle branch pacing (LBBP) and left ventricular septal pacing (LVSP) are considered to be acceptable as LBBAP strategies. Differences in clinical outcomes between LBBP and LVSP are yet to be determined. OBJECTIVES The purpose of this study was to compare the outcomes of LBBP vs LVSP vs BIVP for CRT. METHODS In this prospective multicenter observational study, LBBP was compared with LVSP and BIVP in patients undergoing CRT. The primary composite outcome was freedom from heart failure (HF)-related hospitalization and all-cause mortality. Secondary outcomes included individual components of the primary outcome, postprocedural NYHA functional class, and electrocardiographic and echocardiographic parameters. RESULTS A total of 415 patients were included (LBBP: n = 141; LVSP: n = 31; BIVP: n = 243), with a median follow-up of 399 days (Q1-Q3: 249.5-554.8 days). Freedom from the primary composite outcomes was 76.6% in the LBBP group and 48.4% in the LVSP group (HR: 1.37; 95% CI: 1.143-1.649; P = 0.001), driven by a 31.4% absolute increase in freedom from HF-related hospitalizations (83% vs 51.6%; HR: 3.55; 95% CI: 1.856-6.791; P < 0.001) without differences in all-cause mortality. LBBP was also associated with a higher freedom from the primary composite outcome compared with BIVP (HR: 1.43; 95% CI: 1.175-1.730; P < 0.001), with no difference between LVSP and BIVP. CONCLUSIONS In patients undergoing CRT, LBBP was associated with improved outcomes compared with LVSP and BIVP, while outcomes between BIVP and LVSP are similar.
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Affiliation(s)
- Juan C Diaz
- Cardiac Arrhythmia Service, Division of Cardiology, Clinica Las Vegas, Universidad CES Medical School, Medellin, Colombia
| | - Usha B Tedrow
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Mauricio Duque
- Cardiac Arrhythmia Service, Division of Cardiology, Clinica Las Vegas, Universidad CES Medical School, Medellin, Colombia
| | - Julian Aristizabal
- Cardiac Arrhythmia and Electrophysiology Service, Division of Cardiology, Department of Medicine, Clinica Las Americas, Medellin, Colombia
| | - Eric D Braunstein
- Department of Cardiology, Smidt Heart Institute, Cedars-Sinai, Los Angeles, California, USA
| | - Jorge Marin
- Cardiac Arrhythmia and Electrophysiology Service, Division of Cardiology, Department of Medicine, Clinica Las Americas, Medellin, Colombia
| | - Cesar Niño
- Cardiac Arrhythmia and Electrophysiology Service, Clinica SOMER, Rionegro, Colombia
| | - Oriana Bastidas
- Cardiac Arrhythmia and Electrophysiology Service, Hospital Pablo Tobón Uribe, Medellin, Colombia
| | | | - Bruce A Koplan
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Carolina Hoyos
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Carlos D Matos
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Daniela Hincapie
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Alejandro Velasco
- Electrophysiology Section, University of Texas Health Sciences Center, San Antonio, Texas, USA
| | - Nathaniel A Steiger
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Sunil Kapur
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Thomas M Tadros
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Paul C Zei
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - William H Sauer
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Jorge E Romero
- Cardiac Arrhythmia Service, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
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Romero J, Natale A, Cerna L, Lakkireddy D, Diaz JC, Alviz I, Grupposo V, Rios SA, Chernobelsky E, Lopez Cabanillas N, Garcia M, Di Biase L. Imaging Integration to Localize and Protect the Left Coronary Artery in Patients Undergoing LAAEI. JACC Clin Electrophysiol 2020; 6:157-167. [DOI: 10.1016/j.jacep.2019.09.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 09/18/2019] [Accepted: 09/18/2019] [Indexed: 12/22/2022]
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