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Area of Science:

  • Pharmacology
  • Emergency Medicine
  • Toxicology

Background:

  • Oral anticoagulants like dabigatran pose challenges in overdose situations.
  • Idarucizumab is a specific reversal agent for dabigatran, an oral direct thrombin inhibitor.
  • Hemodialysis can eliminate dabigatran but lacks rapid reversal capabilities.

Observation:

  • A 68-year-old woman ingested a massive overdose of dabigatran (125 capsules).
  • Despite gastric lavage and activated charcoal, coagulation tests remained abnormal.
  • Intravenous idarucizumab was administered for reversal of anticoagulation.

Findings:

  • Idarucizumab promptly and completely reversed dabigatran's anticoagulant effect.
  • Coagulation assays, including aPTT and PT, normalized rapidly post-administration.
  • Emergency hemodialysis was ultimately not required.

Implications:

  • Idarucizumab is a potential life-saving treatment for massive dabigatran overdoses.
  • This case supports the use of idarucizumab in emergency settings for dabigatran toxicity.
  • Reversal agents like idarucizumab are vital for managing anticoagulant overdoses.