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Amiodarone in congestive heart failure

S Singh1

  • 1VA Medical Center of Cardiology, Washington, DC 20422, USA.

International Journal of Clinical Practice
|January 23, 1999
PubMed
Summary

Amiodarone demonstrates antiarrhythmic effects in heart failure patients and appears well-tolerated. Further studies are needed to confirm its role in non-ischaemic cardiomyopathy.

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Area of Science:

  • Cardiology
  • Pharmacology

Background:

  • Amiodarone, initially an antianginal agent, exhibits antiarrhythmic properties.
  • It acts as a non-competitive inhibitor of alpha and beta-adrenergic receptors.

Purpose of the Study:

  • To review trials on amiodarone use in heart failure patients.
  • To assess amiodarone's efficacy and safety in this population.

Main Methods:

  • Review of multiple clinical trials, including the GESICA and CHF STAT trials.
  • Analysis of amiodarone's antiarrhythmic activity, tolerability, and proarrhythmic effects.

Main Results:

  • Amiodarone shows significant antiarrhythmic activity in heart failure patients.
  • The drug is generally well-tolerated, with uncommon proarrhythmia.
  • Evidence suggests a potential role in non-ischaemic cardiomyopathy, pending further research.

Conclusions:

  • Amiodarone is effective for treating arrhythmias in heart failure patients.
  • Its potential beta-blocking effect may benefit non-ischaemic cardiomyopathy.
  • Prospective studies, like SCD HeFT, are crucial to define its role in heart failure management.

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