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Related Experiment Videos

Roxithromycin-induced torsades de pointes.

Dan Justo1, Tamar Mardi, David Zeltser

  • 1Department of Internal Medicine "D", Sackler Faculty of Medicine, Tel-Aviv Sourasky Medical Center, Tel-Aviv University, 94 Weizman Street, 62264 Tel Aviv, Israel.

European Journal of Internal Medicine
|September 29, 2004
PubMed
Summary

Roxithromycin, a common antibiotic, is rarely linked to heart rhythm problems. This case report details a patient experiencing QT interval prolongation and torsades de pointes during roxithromycin treatment.

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Area of Science:

  • Pharmacology
  • Cardiology
  • Clinical Medicine

Background:

  • Roxithromycin is a widely prescribed oral macrolide antibiotic.
  • The pro-arrhythmic risk associated with roxithromycin is generally considered very low.

Purpose of the Study:

  • To report a rare case of cardiac adverse events associated with roxithromycin.
  • To highlight the potential for roxithromycin to cause QT interval prolongation and torsades de pointes.

Main Methods:

  • Case report presentation.
  • Clinical observation and adverse event documentation.

Main Results:

  • The patient developed significant QT interval prolongation.
  • The patient experienced an episode of torsades de pointes during roxithromycin therapy.

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Conclusions:

  • While rare, roxithromycin can be associated with serious cardiac pro-arrhythmic effects.
  • Clinicians should remain vigilant for potential cardiac adverse events even with antibiotics considered low-risk.