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[Multi-site pace making for dilated cardiomyopathy]
J Lelakowski1, J Machejek, J Majewski
1Kliniki Elektrokardiologii Instytutu Kardiologii Collegium Medicum Uniwersytetu Jagiellońskiego w Krakowie.
Insights
Dual chamber pacing (DDD) may improve heart function in dilated cardiomyopathy (DCM) patients. However, concerns exist regarding desynchronization, while multisite pacing shows promise for severe heart failure.
Area of Science:
- Cardiology
- Biomedical Engineering
Context:
- Dilated cardiomyopathy (DCM) is a significant cause of heart failure.
- Dual chamber pacing (DDD) is a common treatment modality.
- Contradictory findings exist regarding DDD efficacy in DCM.
Purpose:
- To evaluate the efficacy and potential drawbacks of dual chamber pacing (DDD) in patients with dilated cardiomyopathy (DCM).
- To explore the role of multisite pacing in end-stage DCM with severe congestive heart failure.
Summary:
- Dual chamber pacing (DDD) effectiveness in dilated cardiomyopathy (DCM) is debated.
- Potential desynchronization between right and left ventricular contraction may cause adverse effects.
- Multisite pacing demonstrated rapid and sustained hemodynamic improvement in severe end-stage DCM and congestive heart failure.
Impact:
- Findings may influence pacing strategies for DCM patients.
- Highlights the potential of multisite pacing for advanced heart failure.
- Contributes to understanding pacing-induced cardiac mechanics in cardiomyopathy.
Abstract:
Dual chamber pacing (DDD) has been reported to be effective in patients with dilated cardiomyopathy (DCM). Other works, however, show contradictory results. Deleterious effects resulting from desynchronization of the right and left ventricular contraction have been suggested. In patients with end-stage DCM and severe congestive heart failure multisite pacing may be associated with fast and sustained hemodynamic improvement.