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[Electrophysiological and hemodynamic consequences of pacemaker syndrome]
Kardiologiia
|October 20, 2005
Summary
Pacemaker syndrome, a set of adverse signs linked to ventricular pacing, affected 12.4% of patients. Restoring atrioventricular synchrony effectively treated this condition.
Area of Science:
- Cardiology
- Biomedical Engineering
Context:
- Pacemaker syndrome presents as adverse clinical, hemodynamic, and electrophysiologic signs.
- These signs are temporally related to ventricular pacing without other identifiable causes.
Purpose:
- To investigate the incidence and characteristics of pacemaker syndrome in patients with VVI pacemakers.
- To identify symptoms and diagnostic findings associated with pacemaker syndrome.
- To evaluate treatment outcomes, specifically the restoration of atrioventricular synchrony.
Summary:
- A study of 975 patients with VVI pacemakers revealed pacemaker syndrome in 12.4% (121 patients).
- Common symptoms included weakness, fatigability, dizziness, exertional dyspnea, and anginal pain.
- Diagnosis was supported by retrograde P-wave detection and changes in stroke volume upon pacing cessation. Treatment focused on restoring atrioventricular synchrony.
Impact:
- Highlights the prevalence and diverse clinical manifestations of pacemaker syndrome.
- Emphasizes the importance of diagnosing and managing pacemaker syndrome for patient well-being.
- Suggests that restoring atrioventricular synchrony is a key therapeutic strategy.