Copyright © 2004 by the European Society of Cardiology.
Clinical research
Rate control is more cost-effective than rhythm control for patients with persistent atrial fibrillation results from the RAte Control versus Electrical cardioversion (RACE) study
a Department of Cardiology, Thoraxcenter, University Hospital Groningen, PO Box 30001, 9700 RB Groningen, The Netherlands
b Office for Medical Technology Assessment, University Hospital, Groningen, The Netherlands
c Department of Cardiology, Rijnstate Hospital, Arnhem, The Netherlands
d Department of Cardiology, VU University Medical Center, Amsterdam, The Netherlands
e Department of Cardiology, St. Antonius Hospital, Nieuwegein, The Netherlands
f Department of Cardiology, Academical Medical Center, Amsterdam, The Netherlands
g Department of Cardiology, University Hospital, Maastricht, The Netherlands
Received April 7, 2004; revised June 2, 2004; accepted June 10, 2004 * Corresponding author. Tel.: +31-50-3612355; fax: +31-50-3614391 (E-mail: i.c.van.gelder{at}thorax.azg.nl).
Aims To evaluate costs between a rate and rhythm control strategy in persistent atrial fibrillation.
Methods and results In a prospective substudy of RACE (Rate control versus electrical cardioversion for persistent atrial fibrillation) in 428 of the total 522 patients (206 rate control and 222 rhythm control), a cost-minimisation and cost-effectiveness analysis was performed to assess cost-effectiveness of the treatment strategies.
After a mean follow-up of 2.3±0.6 years, the primary endpoint (cardiovascular morbidity and mortality) occurred in 17.5% (36/202) of the rate control patients and in 21.2% (47/222) of the rhythm control patients. Mean costs per patient under rate control were
7386 and
8284 under rhythm control. Cost-effectiveness analysis showed that per avoided endpoint under rate control, the cost savings were
24944. Under rhythm control, more costs were generated due to electrical cardioversions, hospital admissions and anti-arrhythmic medication. Costs were higher in older patients, patients with underlying heart disease, those who reached a primary endpoint and women. Heart rhythm at the end of study, did not influence costs.
Conclusions Rate control is more cost-effective than rhythm control for treatment of persistent atrial fibrillation. Underlying heart disease but not heart rhythm largely accounts for costs.
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