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Acute barium intoxication and hemodiafiltration
Marc Koch1, Olivier Appoloni, Vincent Haufroid
1Department of Intensive Care, Erasme University Hospital, Free University of Brussels, Brussels, Belgium. mkoch@ulb.ac.be
Journal of Toxicology. Clinical Toxicology
|July 23, 2003
Summary
Barium carbonate ingestion caused severe hypokalemia and paralysis. Continuous veno-venous hemodiafiltration (CVVHDF) effectively removed barium, improving muscle strength and neurological recovery within 24 hours.
Area of Science:
- Toxicology
- Nephrology
- Critical Care Medicine
Background:
- Severe hypokalemia and flaccid paralysis can result from toxic ingestions.
- Barium carbonate is a highly toxic substance causing neuromuscular dysfunction.
Observation:
- A patient presented with severe hypokalemia and quadriplegia after attempting suicide by ingesting amlodipine, fluoxetine, and barium carbonate.
- Despite correcting hypokalemia, paralysis persisted, indicating a direct barium effect on muscle cells.
Findings:
- Continuous veno-venous hemodiafiltration (CVVHDF) was initiated to manage barium intoxication.
- CVVHDF tripled barium elimination, reduced serum barium half-life by three-fold, and stabilized potassium levels.
- The treatment led to rapid improvement in motor strength and complete neurological recovery within 24 hours.
Implications:
- CVVHDF is an effective treatment for severe barium poisoning, enhancing barium clearance.
- This case highlights the critical role of renal replacement therapy in managing complex toxicological emergencies.
- Early recognition and intervention with CVVHDF can significantly improve outcomes in barium intoxication.