Heart failure & cardiomyopathies

Comparisons of long-term clinical outcomes with left bundle branch pacing, left ventricular septal pacing, and biventricular pacing for cardiac resynchronization therapy

Heart RhythmPublished Prospective cohort study

An erratum to this article was published (Heart Rhythm, Oct 2025 ↗)

Authors' conclusion

LBBP yielded long-term clinical outcomes superior to those of BiVP and LVSP.

Study context

Population
Patients with reduced LVEF (<50%) undergoing cardiac resynchronization therapy (CRT) with successful left bundle branch pacing (LBBP), left ventricular septal pacing (LVSP) or biventricular pacing (BiVP)
Participants
259 patients
Exposure
LBBP vs LVSP vs BiVP for CRT
  • LBBPn = 68
  • LVSPn = 38
  • BiVPn = 153reference
Outcome
All-cause mortality or HF hospitalization
Follow-up
Mean 28.8 ± 15.8 months
Methodological detailsconsecutive patients, prospectively enrolled
  • Consecutive patients
  • Prospectively enrolled

Main finding

As reported in the abstract

Adjusted hazard ratio (CI)P value
LBBPvs BiVP
0.22(0.08–0.57)
P = 0.002
LBBPvs LVSP
0.22(0.08–0.63)
P = 0.004

Observational data: associations, not effects.

Secondary outcomes

OutcomeLBBPLVSPBiVPAdjusted HR (CI)P value
All-cause mortalityLVSPvs BiVP2.9%31.6%7.2%3.19 (1.38–7.39)P = 0.007
All-cause mortalityLBBPvs BiVP0.33 (0.07–1.52)P = 0.155

Echocardiographic response (ΔLVEF ≥10%)

  • Echocardiographic response (ΔLVEF ≥10%): P < .001

Original publication

Comparisons of long-term clinical outcomes with left bundle branch pacing, left ventricular septal pacing, and biventricular pacing for cardiac resynchronization therapy. Heart Rhythm. Published 9 March 2024. doi:10.1016/j.hrthm.2024.03.007

Composed by AI from the published abstract and checked against it. How Briefs are made →

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