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[Long-term follow-up of pacemaker therapy]
1Medizinische Universitätsklinik, Innere Medizin, Kardiologie, Bonn.
Zeitschrift Fur Kardiologie
|January 1, 1990
Summary
Pacemakers improve survival and prevent symptoms in heart block patients. Rate-responsive pacing enhances exercise capacity and symptoms for specific conditions like sinus node disease.
Area of Science:
- Cardiology
- Biomedical Engineering
Context:
- Pacemakers are crucial for treating bradycardias and tachyarrhythmias.
- Cardiac pacing aims to improve survival and prevent symptoms like Stokes-Adams attacks in heart block.
- Long-term outcomes depend on patient factors and technical aspects like generator longevity and pacing mode.
Purpose:
- To review the role and outcomes of cardiac pacing in various cardiac conditions.
- To discuss indications for pacing in sinoatrial dysfunction and atrioventricular block.
- To evaluate the benefits of rate-responsive pacing and implantable cardioverter-defibrillators.
Summary:
- Pacemakers are indicated for complete heart block and Mobitz Type II atrioventricular block for prognostic reasons.
- Sinoatrial dysfunction warrants pacing only for symptomatic patients.
- Rate-responsive pacing improves exercise capacity in sinus node disease and after His-bundle ablation, and benefits patients with AV block or bradycardia.
Impact:
- Cardiac pacing significantly improves survival and quality of life in patients with heart block.
- Rate-responsive pacing offers enhanced exercise tolerance and symptom relief in specific bradycardic conditions.
- Implantable cardioverter-defibrillators are vital for preventing sudden cardiac death in high-risk patients with ventricular tachyarrhythmias.