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[Sinus node dysfunction. Clinical outcome and results of cardiac pacing]
Archives Des Maladies Du Coeur Et Des Vaisseaux
|January 1, 1980
Summary
Permanent cardiac pacing improved quality of life for patients with sinus node dysfunction. While mortality was higher in paced patients, pacing effectively treated neurological symptoms in survivors.
Area of Science:
- Cardiology
- Electrophysiology
Context:
- Sinus node dysfunction affects elderly patients.
- Clinical, electrocardiographic, and electrophysiological criteria are used for diagnosis.
Purpose:
- To evaluate the efficacy of permanent cardiac pacing in patients with sinus node dysfunction.
- To assess the impact of pacing on mortality and functional prognosis.
Summary:
- 112 patients with sinus node dysfunction were followed for an average of 30.2 months.
- 59 patients received permanent cardiac pacing, while others received medical treatment.
- Mortality was higher in the paced group, primarily due to heart failure and stroke, but neurological symptoms regressed in survivors.
Impact:
- Cardiac pacing significantly improves the functional prognosis for patients with sinus node dysfunction.
- Patient life expectancy appears primarily linked to myocardial health.
- Further research is needed to understand the higher mortality observed in paced patients.