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[Digitalis poisoning treated with a specific antidote]
E O Rykke1, J E Bredesen, O Stokland
1Hjertemedisinsk avdeling, Ullevål sykehus, Oslo.
Summary
Digitalis toxicity is common. Three severe digitoxin poisoning cases were treated successfully with digoxin-specific Fab antibody fragments, showing favorable outcomes and supporting broader use of this antidote.
Area of Science:
- Clinical Toxicology
- Pharmacology
Background:
- Digitalis (cardiac glycoside) toxicity is a frequent clinical challenge.
- Severe digitoxin poisoning can lead to life-threatening conditions.
Observation:
- Three cases of severe digitoxin poisoning with high S-digitoxin levels (115, 150, 239 nmol/l) were documented.
- All patients presented with severe poisoning symptoms.
Findings:
- Intravenous administration of digoxin-specific Fab antibody fragments was used as an antidote.
- All three patients experienced favorable outcomes following treatment with the antibody fragments.
Implications:
- The successful treatment of severe digitoxin poisoning with digoxin-specific antibodies suggests their efficacy.
- This case series prompts discussion on potentially broadening the indications for using digoxin-specific antibodies beyond extreme cases.