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[Arrhythmia in patients with a DDD bicameral pacemaker]
Giornale Italiano Di Cardiologia
|November 1, 1986
Summary
Dual chamber pacemakers can cause arrhythmias, but reprogramming effectively manages most issues. Device adjustments significantly reduced endless loop tachycardias and improved patient symptoms.
Area of Science:
- Cardiology
- Biomedical Engineering
Context:
- Dual chamber pacemakers (DDD) aim for physiological pacing but can cause complex arrhythmias.
- The actual frequency and management of these pacemaker-induced arrhythmias require further investigation.
Purpose:
- To investigate the frequency and types of arrhythmias associated with dual chamber pacemakers.
- To evaluate the effectiveness of pacemaker reprogramming in managing these arrhythmias.
Summary:
- This study monitored 65 patients with DDD pacemakers, identifying various arrhythmias including sensing/pacing malfunctions, pacer-unrelated arrhythmias, and pacemaker-mediated tachycardias.
- Reprogramming, particularly extending the atrial refractory period, successfully eliminated endless loop tachycardias in 95% of cases.
- Multi-programmability reduced the incidence and symptoms of most pacemaker-related arrhythmias, with drug therapy used for unrelated arrhythmias.
Impact:
- Pacemaker reprogramming is a crucial tool for managing device-related arrhythmias.
- Optimizing pacemaker settings can significantly improve patient outcomes and reduce arrhythmia burden.
- Understanding arrhythmia mechanisms is key to effective pacemaker management.