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[AFFIRM: what we have learned ... and pending issues]
J Y Le Heuzey1, E Aliot, P Jaillon
1Service de cardiologie A, hôpital Européen-Georges-Pompidou, 20, rue Leblanc, 75015 Paris, France. jean-yves.le-heuzey@hop.egp.aphp.fr
Insights
For atrial fibrillation, rate control is a viable first-line treatment. However, rhythm control remains preferable for patients with heart failure or young individuals without heart disease.
Area of Science:
- Cardiology
- Clinical Trials
- Electrophysiology
Context:
- Atrial fibrillation management has evolved with therapeutic strategy trials comparing rhythm and rate control.
- The AFFIRM study is a pivotal trial in this field, influencing current treatment guidelines.
Purpose:
- To compare the efficacy of rhythm control (sinus rhythm maintenance) versus rate control (heart rate slowing) in atrial fibrillation.
- To determine the optimal first-line therapeutic strategy for atrial fibrillation management.
Summary:
- The AFFIRM study concluded that rate control can be the initial strategy for atrial fibrillation.
- This recommendation excludes patients with heart failure and young, otherwise healthy individuals, who benefit more from rhythm control.
Impact:
- Treatment guidelines for atrial fibrillation are influenced by the AFFIRM study's findings.
- Identifies specific patient subgroups (heart failure, young without cardiopathy) where rhythm control remains the preferred strategy.
Abstract:
During these last years, several therapeutic strategies trials have been performed in atrial fibrillation: the goal was to compare the rhythm control strategy (restoration and maintenance of sinus rhythm) to the rate control strategy (slowing of heart rate in atrial fibrillation). The most important of these different trials is the AFFIRM study. The main conclusion of this trial is that rate control can be chosen in first intention and not only in case of failure of the rhythm control strategy. These results can not be applied to 2 categories of patients: on one hand patients with heart failure and on the other hand young patients without cardiopathy in whom the strategy of rhythm control and sinus rhythm maintenance, mainly by class I antiarrhythmic drugs, remains the better choice.
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