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Related Experiment Videos

Atrial pacing: efficacy and safety.

C R Kerr1, G F Tyers, S Vorderbrugge

  • 1Department of Medicine, University of British Columbia, Vancouver.

Pacing and Clinical Electrophysiology : PACE
|July 1, 1989
PubMed
Summary
This summary is machine-generated.

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Atrial pacing (AAI) is a safe and reliable treatment for sick sinus syndrome, offering good long-term performance and a low risk of conduction problems. Most patients remain asymptomatic with excellent lead function.

Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Atrial pacing offers simplicity and maintains atrioventricular synchrony.
  • A key concern is the potential for atrioventricular conduction deterioration.

Purpose of the Study:

  • To evaluate the safety and long-term performance of atrial pacing (AAI) in patients with sick sinus syndrome.

Main Methods:

  • Prospective follow-up of 43 patients with sick sinus syndrome treated with AAI pacing.
  • Assessment of implant parameters, lead performance (thresholds, impedance), and conduction status over a mean of 25 months.

Main Results:

  • Excellent initial implant parameters and lead performance were observed, with no late lead failures.
  • Nine patients experienced mild atrioventricular conduction deterioration; one required conversion to DDD pacing.

Related Experiment Videos

  • All patients remained asymptomatic throughout the study period.

    • Conclusions:

    • Chronic atrial pacing in selected sick sinus syndrome patients is safe and reliable.
    • Good chronic lead performance and a low risk of subsequent conduction system disease were demonstrated.