Arrhythmias & electrophysiology

Two-year follow-up of the safety and clinical outcomes of stylet-driven leads for left bundle branch area pacing compared with right ventricular pacing in the Medicare population

Heart RhythmPublished Medicare Fee-for-Service claims and Abbott device registration databases were linked

Main finding · 30-day acute complicationsResult — go to the resultHazard ratio 1.01

Authors' conclusion

DC pacemaker patients with LBBAP using Tendril STS or UltiPace stylet-driven leads experienced significantly lower rates of HFH and all-cause mortality, with similarly low complication rates compared with RVP over 2 years of follow-up in this large Medicare population.

Study context

Population
Patients with de novo dual-chamber (DC) pacemaker implants with the Tendril STS or UltiPace leads at left bundle branch area pacing (LBBAP) or right ventricular pacing (RVP) locations, January 1, 2020, to June 30, 2024
Participants
2,341 vs 68,241
Comparison
LBBAP vs RVP
  • LBBAPn = 2,341
  • RVPn = 68,241reference
Outcome
30-day acute complications
Follow-up
30 days
Methodological detailspropensity score overlap weight-adjusted, large real-world data
  • Propensity score overlap weight-adjusted
  • Large real-world data

Main finding

As reported in the abstract

Hazard ratio

1.01

P = 0.95

Further findings

OutcomeHRP value
Chronic complications · 2 years0.92P = 0.51
Reinterventions · 2 years0.76P = 0.06
HFHs · 2 years0.72P = 0.015
Incident HFHs · 2 years0.54P = 0.04
All-cause mortality · 2 years0.64P < 0.0001

Original publication

Two-year follow-up of the safety and clinical outcomes of stylet-driven leads for left bundle branch area pacing compared with right ventricular pacing in the Medicare population. Heart Rhythm. Published 9 July 2025. doi:10.1016/j.hrthm.2025.07.004

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

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