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Related Experiment Videos

A randomized trial comparing two different approaches of pacemaker selection.

M Kühne1, B Schaer, C Kaufmann

  • 1Division of Cardiology, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland.

Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology
|October 24, 2007
PubMed
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A tailored approach (TA) to pacemaker selection for sick sinus syndrome or AV block was as effective as a standard approach (SA) for quality of life. TA significantly reduced costs and improved secondary outcomes.

Area of Science:

  • Cardiology
  • Medical Devices
  • Health Economics

Background:

  • Dual-chamber (DDD) pacemakers are commonly used for sick sinus syndrome (SSS) and atrioventricular block (AV block).
  • Alternative single-chamber pacemakers (AAI for SSS, VDD for AV block) may offer similar benefits at a lower cost.
  • A tailored approach (TA) involves selecting the most appropriate pacemaker based on the specific arrhythmia, contrasting with a standard approach (SA).

Purpose of the Study:

  • To compare the efficacy and cost-effectiveness of a tailored approach (TA) versus a standard approach (SA) for pacemaker selection in patients with SSS or AV block.
  • To determine if TA is non-inferior to SA in terms of quality of life (QoL).
  • To assess the impact of TA on secondary endpoints, including mortality, heart failure, angina, atrial fibrillation, stroke, and healthcare costs.

Related Experiment Videos

Main Methods:

  • Prospective, randomized study with QoL as the primary endpoint.
  • 198 patients (mean age 77 years) were randomized to either SA (94 patients) or TA (104 patients).
  • Follow-up duration was 38 months, with assessment of mortality, morbidity, QoL, and costs.

Main Results:

  • No significant difference in QoL was observed between the SA and TA groups.
  • The combined secondary endpoint (all-cause mortality, worsening heart failure/angina, atrial fibrillation, stroke) occurred less frequently in the TA group (37%) compared to the SA group (51%, P=0.045).
  • Hardware costs were reduced by 15% with the TA (P < 0.0001).

Conclusions:

  • A tailored approach to pacemaker selection is equivalent to a standard approach regarding long-term QoL and key secondary endpoints like atrial fibrillation and mortality.
  • TA offers significant cost reductions, potentially varying by healthcare system.
  • This study supports individualized pacemaker selection for improved outcomes and cost-efficiency.