Cohort study

Impact of Right Ventricular Pacing in Patients With Transcatheter Aortic Valve Replacement (TAVR) Undergoing Permanent Pacemaker Implantation

JACC Cardiovasc IntervPublished

  • Registry study
  • international multicentre
  • multivariable adjustment

Authors' conclusion

In TAVR patients undergoing permanent pacemaker implantation, a high percentage of right VP at follow-up is associated with an increased risk for cardiovascular death and HF hospitalization.

Study context

Population
Consecutive TAVR patients with permanent pacemaker implantation for conduction disturbances within 30 days after the procedure
Participants
377 patients
Exposure
Ventricular pacing (VP) ≥40% vs VP <40%
  • VP ≥40%n = 219
  • VP <40%n = 158reference
Outcome
CV mortality or hospitalization for heart failure (HF)

Main finding

CV mortality or HF hospitalization

Hazard ratio

2.76

95% CI 1.39–5.51

P = 0.004

VP ≥40% vs VP <40%
HR 2.76 (95% CI 1.39–5.51); P = 0.004

As reported in the abstract

Observational data: associations, not effects.

Further findings

OutcomeHR (95% CI)P value
First HF hospitalization3.37 (1.50–7.54)P = 0.003
CV death3.77 (1.02–13.88)P = 0.04
All-cause death · not significantly different2.17 (0.80–5.90)P = 0.13

NYHA functional class · 1 year and last available follow-up

Higher NYHA class with VP ≥40% at 1 year
P = 0.009
Higher NYHA class with VP ≥40% at last available follow-up
P = 0.04

LVEF on echocardiography · 1 year

Nonsignificant LVEF reduction with VP ≥40%
P = 0.18
Significant LVEF improvement with VP <40%
P = 0.009

Original publication

Impact of Right Ventricular Pacing in Patients With TAVR Undergoing Permanent Pacemaker Implantation. JACC Cardiovasc Interv. Published 8 May 2023. doi:10.1016/j.jcin.2023.02.003

Summarised from the published abstract; every number is checked against it