Arrhythmias & electrophysiology

Two-year outcomes of left bundle branch area pacing versus traditional right ventricular pacing in middle-aged adults: a registry-based trial

EuropacePublished Randomised controlled trial

Primary result · CV death or HFHResult — go to the resultHazard ratio 0.78 95% CI 0.59–0.87

Authors' conclusion

Left bundle branch area pacing significantly lowered the 2-year composite of CV death and HFH compared to RVP in patients aged <65 years old. However, it did not reduce CV or all-cause mortality individually compared to RVP.

Study context

Population
Patients younger than 65 years requiring pacing (TREEBEARD registry)
Participants
344 participants
Comparison
Left bundle branch area pacing (LBBAP) vs right ventricular pacing (RVP)
  • LBBAPn = 172
  • RVPn = 172reference
Primary endpoint
Composite of:
  • CV death
  • Heart failure (HF) hospitalization
Follow-up
2 years
Methodological detailsregistry-based, 1:1 randomisation
  • Registry-based
  • 1:1 randomisation

Primary result

CV death or HF hospitalization (HFH)

Hazard ratio

0.78

95% CI 0.59–0.87

By group

LBBAP vs RVP
HR 0.78 (95% CI 0.59–0.87)

As reported in the abstract

Secondary outcomes

OutcomeHR (95% CI)
HF hospitalization0.79 (0.63–0.86)
CV mortality1.02 (0.79–1.32)
All-cause mortality1.00 (0.72–1.38)

Primary endpoint, subgroups

Subgroup analyses aligned with primary findings

Original publication

Two-year outcomes of left bundle branch area pacing versus traditional right ventricular pacing in middle-aged adults: a registry-based trial. Europace. Published 29 August 2025. doi:10.1093/europace/euaf181

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

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.