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  • Title: [Non-antiarrhythmic drug therapy for the prevention of atrial fibrillation?].
    Author: Fauchier L, Zannad N, Clementy N, Pierre B, Cosnay P, Babuty D.
    Journal: Ann Cardiol Angeiol (Paris); 2010 Dec; 59 Suppl 1():S28-32. PubMed ID: 21211623.
    Abstract:
    In atrial fibrillation (AF), the absence of a clear benefit of a rhythm-control strategy over a rate-control strategy seen in recent trials may be due to the fact that many of the usual antiarrhythmic strategy have significant weaknesses. Besides research efforts to improve the efficacy and safety of conventional antiarrhythmic agents, therapies directed 'upstream'of the electrical aspects of AF, towards the underlying anatomical substrate and atrial remodelling, have been proposed as new pharmacological therapeutic approaches. Potential upstream therapies for AF comprise a variety of agents such as angiotensin-converting enzyme inhibitors (ACEI) and angiotensin receptor blockers (ARB), statins, N-3 polyunsaturated fatty acids and steroids. On the basis of experimental data, clinical studies have provided information on the potential of upstream therapy for the prevention of AF across a broad spectrum of cardiovascular patient groups. In patients with heart failure or hypertension, data are sufficient to support the use of ACEI or ARB as treatment that may decrease the risk of AF beyond their other beneficial effects. Similarly, it is highly possible that the use of statin in patients with a recognized indication may be associated with a benefit against AF. However, in most clinical settings, the evidence appears to be insufficient to drive changes in therapy management per se, and large-scale, randomized controlled trials with adequately defined endpoints are still needed. The results from these trials may help to understand the complex mechanisms that lead to AF, and may clarify the benefit-to-risk ratio of these new therapeutic approaches.
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