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Rhythm or Rate Control in Atrial Fibrillation: Insights from the Randomized Controlled Trials

Stefan H. Hohnloser, MD

J.W. Goethe University, Department of Medicine, Division of Cardiology, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany; Hohnloser{at}em.uni-frankfurt.de

Pharmacologic treatment remains the mainstay of therapy in patients with atrial fibrillation for the maintenance of normal sinus rhythm. Initial therapy of atrial fibrillation is often directed toward the maintenance of sinus rhythm by means of cardioversion and the use of antiarrhythmic drugs. Heart rate control is often only pursued when rhythm control fails. Four randomized controlled trials have carefully evaluated the yield of these two treatment strategies as the initial approach to patients with paroxysmal or persistent atrial fibrillation. In essence, all four trials demonstrated that an initial strategy of rate control is equally effective compared to the rhythm control approach in terms of clinically important outcome measures including mortality, stroke prevention, or quality of life. Accordingly, rate control can be considered as an initial approach to therapy in patients with paroxysmal or persistent atrial fibrillation. The four randomized trials clearly demonstrate that continuous anticoagulation is mandatory in all patients with atrial fibrillation and risk factors for stroke, irrespective of the initial therapeutic approach of rhythm or rate control.

Key Words: antiarrhythmic drugs • sinus rhythm • rate control • anticoagulation

Journal of Cardiovascular Pharmacology and Therapeutics, Vol. 8, No. 1 suppl, S39-S44 (2003)
DOI: 10.1177/107424840300800106


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