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Related Experiment Videos

Rate control versus rhythm control.

Humberto Vidaillet1, Robert T Greenlee

  • 1Department of Cardiology, Marshfield Clinic, Marshfield, Wisconsin, USA. vidaillet.humberto@marshfieldclinic.org

Current Opinion in Cardiology
|December 15, 2004
PubMed
Summary

For most patients with atrial fibrillation, rhythm control is more expensive and not more effective than rate control for preventing adverse events. Further research is needed to explore alternative methods for maintaining sinus rhythm.

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Area of Science:

  • Cardiology
  • Clinical Trials
  • Atrial Fibrillation Management

Background:

  • Atrial fibrillation is a common arrhythmia requiring effective management strategies.
  • Rate control and rhythm control are two primary approaches to treating atrial fibrillation.

Purpose of the Study:

  • To review results from five randomized clinical trials comparing rate and rhythm control in atrial fibrillation.
  • To provide practical recommendations for managing atrial fibrillation based on current evidence.

Main Methods:

  • Analysis of five major randomized clinical trials involving over 5000 patients.
  • Review of aggregated data and selected subanalyses, including the AFFIRM study.

Main Results:

  • No clear advantage of rhythm control over rate control was demonstrated across the trials.

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  • Antiarrhythmic drug use in the AFFIRM study did not improve survival or reduce stroke risk.
  • Maintaining sinus rhythm was associated with improved outcomes in some trials.

    • Conclusions:

    • Rhythm control with current antiarrhythmic drugs is more costly and not more effective than rate control for preventing major adverse events in most atrial fibrillation patients.
    • Further investigation is required to determine if alternative methods of maintaining sinus rhythm can improve patient outcomes.