Effective Treatment of Acute Tricyclic Antidepressant Poisoning with Cardiogenic Shock and Severe Rhabdomyolysis Using ECMO and CytoSorb® Adsorber

Zakaria Zitoune, Luc Kugener, Joop Jonckheer, Katrien Lanckmans, Philippe Hantson, Jacques Devriendt, Patrick M Honore

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BACKGROUND Tricyclic antidepressant (TCA) drugs are a common cause of fatal poisoning because of their cardiotoxic and arrhythmogenic effects. Classic supportive management includes sodium bicarbonate, gastrointestinal chelating agents, and vasopressors. Recently, intravenous lipid emulsion (supported by a low evidence level) has also been used. CASE REPORT We report the case of a 55-year-old woman admitted to our Intensive Care Unit (ICU) with acute imipramine self-poisoning. She arrived at the emergency department 7 hours after imipramine ingestion; she had severe rhabdomyolysis upon admission, with creatine phosphokinase levels at about 52 500 IU/L (normal, <200 IU/L). She quickly developed cardiogenic shock and malign arrhythmia requiring veno-arterial extra corporeal membrane oxygenation (VA-ECMO). Continuous renal replacement therapy (CRRT) with CytoSorb® (CytoSorbents, Monmouth Junction, New York, United Sates of America) was started 19 hours after admission. We performed serial blood measurements of imipramine and its active metabolite desipramine as well as viewing the levels on the CRRT-circuit monitor. Cardiac function improved and ECMO was explanted after 4 days. She also had severe acute respiratory distress syndrome, which resolved spontaneously. The neurologic outcome was favorable despite early myoclonus. The patient regained consciousness on the fifth day. Her clinical evolution was marked by acute ischemia of the lower left limb due to the arterial ECMO cannula. CONCLUSIONS These measurements document the efficacy of the CytoSorb® adsorber in removing a lipophilic drug from a patient's bloodstream. To our knowledge, this is the first published case of CytoSorb® extracorporeal blood purification therapy for acute TCA poisoning.

Originele taal-2English
Artikelnummere939884
Aantal pagina's7
TijdschriftThe American journal of case reports
Volume24
DOI's
StatusPublished - 5 aug 2023

Bibliografische nota

Publisher Copyright:
© Am J Case Rep, 2023.

Copyright:
Copyright 2023 Elsevier B.V., All rights reserved.

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