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We report a case of severe hypokalemia and flaccid muscle paralysis following a suicide attempt associating the calcium channel blocker amlodipine, the antidepressant fluoxetine and barium carbonate. Despite rapid correction of severe, life-threatening hypokalemia, areflexic quadriplegia persisted, suggesting a direct effect of barium on muscle cells. Continuous veno-venous hemodiafiltration (CVVHDF) was initiated. We determined barium concentration in the urine, plasma, and hemodiafiltrate during CVVHDF. We subsequently calculated the amounts of barium eliminated both by the CVVHDF and the kidneys. CVVHDF triples the measured barium elimination, reduced serum barium half-life by a factor of three, stabilized serum potassium levels, and rapidly improved motor strength, with complete neurological recovery within 24 h. Presentation and treatment of barium intoxication are discussed.
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Marc Koch
Olivier Appoloni
Vincent Haufroid
Journal of Toxicology Clinical Toxicology
UCLouvain
Erasmus Hospital
Intensive Care Foundation
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Koch et al. (Wed,) studied this question.
www.synapsesocial.com/papers/69ffee73b124fe581985b099 — DOI: https://doi.org/10.1081/clt-120022004