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[Atrial fibrillation--new knowledge yields new therapeutic possibilities]
S B Olsson1, J Carlson, T Fåhraeus
1Avdelningen för kardiologi, S:t Petersburg, Ryssland. bertil.olsson@kard.lu.se
Lakartidningen
|September 29, 1999
Summary
Atrial fibrillation (AF), a common heart rhythm disorder, can be treated by addressing focal excitation and conduction defects. New therapies target arrhythmia perpetuation through internal defibrillation and anatomical modifications.
Area of Science:
- Cardiology
- Cardiac Electrophysiology
- Arrhythmology
Context:
- Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia requiring medical intervention.
- Understanding AF pathophysiology is crucial for developing advanced treatment strategies.
- The Lund AF research group provides insights into current knowledge and novel treatments.
Purpose:
- To discuss current knowledge regarding the pathophysiology of atrial fibrillation.
- To explore emerging treatment modalities for AF based on recent pathophysiological insights.
- To present potential therapeutic targets for AF management.
Summary:
- Focal excitation and localized impulse conduction defects are identified as potential triggers for AF.
- Focal ablation and pacing synchronization are proposed to counteract these trigger factors.
- Continuous multisite re-entry, promoted by shortened repolarization, perpetuates AF.
- Internal defibrillation and anatomical limitation of re-entry are discussed as treatments to counter AF perpetuation.
Impact:
- Advances in understanding AF pathophysiology enable the development of improved treatment options.
- Targeting specific mechanisms like focal excitation and re-entry offers new therapeutic avenues.
- This discussion contributes to the ongoing efforts in managing and treating atrial fibrillation effectively.