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Experiences with atrial pacing.

S B Bernstein1, B E Van Natta, M H Ellestad

  • 1Memorial Heart Institute, Memorial Medical Center of Long Beach, California 90801-1428.

The American Journal of Cardiology
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Single-chamber atrial pacing is safe for patients with sick sinus syndrome and intact AV conduction. Complications are uncommon and often occur early, especially with older coronary sinus leads.

Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Atrial pacing is a common treatment for sinoatrial node disorders.
  • Understanding the long-term outcomes and complications of early atrial pacing is crucial for patient care.

Purpose of the Study:

  • To retrospectively analyze the indications, outcomes, and complications of single-chamber atrial pacing.
  • To evaluate the safety and efficacy of atrial pacing in patients with intact atrioventricular conduction.

Main Methods:

  • Retrospective review of 187 patients implanted with permanent atrial pacemakers between 1970 and 1980.
  • Analysis of pacemaker indications, follow-up data, and complication rates, including lead fractures, dislodgments, and threshold rises.

Main Results:

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  • The primary indication was tachybrady syndrome (77%).
  • Significant conduction disease requiring ventricular lead placement occurred in 4 patients.
  • Complications included lead fractures (4), dislodgments (10), and threshold rises (6), with early onset for dislodgments and threshold issues.
  • Coronary sinus leads were associated with a higher rate of early complications.

    • Conclusions:

    • Single-chamber atrial pacing is a safe and effective treatment for sinoatrial node disorders with intact atrioventricular conduction.
    • Progression to clinically significant atrioventricular block is rare.
    • Complications are generally early and less frequent with newer lead technologies compared to early coronary sinus leads.