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Related Experiment Videos

Acute digitalis intoxication--is pacing still appropriate?

P Taboulet1, F J Baud, C Bismuth

  • 1Hopital Fernand Widal, Université Paris VII, France.

Journal of Toxicology. Clinical Toxicology
|January 1, 1993
PubMed
Summary

Cardiac pacing is less effective and riskier than digoxin-specific antibody fragments (Fab) for treating digitalis intoxication. Fab fragments are safer, easier to use, and recommended as first-line therapy for these critical poisoning cases.

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Area of Science:

  • Cardiology
  • Medical Toxicology
  • Intensive Care Medicine

Background:

  • Digitalis intoxication from digitoxin or digoxin is a critical condition requiring effective treatment.
  • Cardiac pacing and digoxin-specific antibody fragments (Fab) are used, but their comparative safety and efficacy are debated.
  • Iatrogenic complications from cardiac pacing can be severe and may delay definitive treatment.

Purpose of the Study:

  • To retrospectively compare the safety and efficacy of cardiac pacing versus Fab fragments in managing digitalis intoxication.
  • To identify factors contributing to fatal outcomes in patients treated for digitalis poisoning.

Main Methods:

  • Retrospective study of 92 patients admitted to ICU for digitoxin or digoxin intoxication over six years.
  • Analysis of treatment outcomes, focusing on mortality, arrhythmia prevention, and iatrogenic complications.

Related Experiment Videos

  • Comparison of outcomes between patients treated with cardiac pacing and/or Fab fragments.

    • Main Results:

    • Mortality rate was 13% in the treated group (51 patients).
    • Cardiac pacing had a higher failure rate in preventing life-threatening arrhythmia (23% vs. 8% for Fab).
    • Iatrogenic accidents from cardiac pacing were frequent (36%) and associated with significant mortality (13%), unlike Fab fragments (0%).

    Conclusions:

    • Cardiac pacing has limited efficacy, is difficult to manage, and carries a high risk of iatrogenic complications in digitalis intoxication.
    • Fab fragments are a safer, more effective antidote with fewer adverse effects compared to cardiac pacing.
    • Fab fragments are recommended as the preferred first-line therapy for acute digitalis intoxication.