Successful Treatment of Amoxapine-Induced Intractable Seizures With Intravenous Lipid Emulsion.
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| Abstract | BACKGROUND:
Amoxapine is a second-generation tricyclic antidepressant with a greater seizure risk than other antidepressants. If administered in large amounts, amoxapine can cause severe toxicity and death. Therefore, it is necessary to terminate seizures immediately if amoxapine toxicity occurs. However, intractable seizures often occur in these patients. We describe a case of intractable seizures caused by amoxapine poisoning, in which intravenous lipid emulsion (ILE) was used successfully. CASE REPORT: A 44-year-old woman with a history of depression ingested 3.0 g of amoxapine during a suicide attempt. Although she was initially treated with intravenous diazepam, her seizures persisted. Levetiracetam and phenobarbital were then administered, but seizures persisted. Hence, ILE was injected for over 1 min. At 2 min after ILE administration, the patient's status seizures ceased. Recurrence of seizures was observed 30 min after ILE, and the seizures disappeared after re-administration of ILE. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: ILE may be effective in amoxapine intoxication. Emergency physicians may consider ILE as an adjunctive therapy for amoxapine poisoning with a high mortality rate. ILE should be implemented carefully with monitoring of total dosage and adverse events.
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| Authors | Masaru Matsuoka, Toru Imai, Sou Iwabuchi, Kosaku Kinoshita |
| Journal | The Journal of emergency medicine (J Emerg Med) Vol. 64 Issue 1 Pg. 62-66 (Jan 2023) ISSN: 0736-4679 [Print] United States |
| PMID | 36450616 (Publication Type: Case Reports, Journal Article) |
| Copyright | Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved. |
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