Arrhythmias & electrophysiologyMeta-analysis

Systematic review and meta-analysis on the impact on outcomes of device algorithms for minimizing right ventricular pacing

EuropacePublished

  • Systematic review and meta-analysis

Authors' conclusion

Algorithms for RVPm may be effective in reducing the risk of PerAF and CV hospitalization in patients requiring anti-bradycardia therapies, without an increased risk of adverse symptoms.

Study context

Population
Patients requiring anti-bradycardia therapies
Participants
7,229 patients · 8 studies
Comparison
RVPm algorithms vs DDD pacing
Outcome
Persistent/permanent AF (persistent/permanent atrial fibrillation (PerAF)), cardiovascular (CV) hospitalization, all-cause death and adverse symptoms (predefined endpoints)

Pooled result

As reported in the abstract

PerAF, CV hospitalization, all-cause death, adverse symptoms
RVPm vs DDDOdds ratio (95% CI)
PerAF
0.74(0.57–0.97)
CV hospitalization
0.77(0.61–0.97)
No significant difference in all-cause death
OR 1.01, 95% CI 0.78-1.30
No significant difference in adverse symptoms
OR 1.03, 95% CI 0.81-1.29

Further pooled results

Pooled mean

OutcomeRVPmDDD
RV pacing percentage7.96% (95% CI 3.13–20.25)45.11% (95% CI 26.64–76.38)

Studies enrolling a high percentage of atrioventricular block (AVB) patients (subgroup)

No significant interaction between RVPm strategy and high-AVB studies

Safety

Adverse symptoms

No significant difference in adverse symptoms
OR 1.03, 95% CI 0.81-1.29

Original publication

Systematic review and meta-analysis on the impact on outcomes of device algorithms for minimizing right ventricular pacing. Europace. Published 9 August 2024. doi:10.1093/europace/euae212

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