• Rachel P Pearson, LeAnn K Hoang, John Roufail, Michael G Muhonen, and Anjalee W Galion.
• From the Department of Neurology.
• Pediatr Emerg Care. 2021 Mar 1; 37 (3): e141e146e141-e146.

BackgroundBaclofen is commonly used in both pediatric and adult patients to treat spasticity secondary to spinal cord and cerebral pathology. A broad range of symptoms and severity of baclofen toxicity have been described. However, to our knowledge, there are no reports to date of baclofen toxicity mimicking brain death in pediatric patients.ObjectiveWe reviewed the presentation, clinical course, diagnostic studies including imaging and electroencephalography, and outcome of a patient with transient coma and loss of brainstem reflexes mimicking brain death secondary to baclofen toxicity.MethodsDuring a baclofen pump refill, a 12-year-old boy with cerebral palsy had inadvertent injection of 12,000 μg of baclofen into the pocket around his pump. Within an hour, he presented with acute altered mental status that rapidly progressed to a comatose state with absent brainstem reflexes.ResultsAfter appropriate management, the patient returned to his neurological baseline by hospital day 3.DiscussionWe reviewed the literature for varying presentations of baclofen toxicity and associated electroencephalography findings, mechanism of overdose, and different management options. In this case, the mechanism of baclofen toxicity was suspected to be secondary to extravasation from the pump pocket and subsequent systemic absorption.ConclusionsPatients with baclofen toxicity may have a dramatic presentation and an initial examination mimicking brain death. Given its rarity, this clinical entity may not be readily recognized, and there is potential for misinterpretation of diagnosis and prognosis. It is important for physicians to be familiar with this clinical scenario to avoid false declaration of brain death.Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.

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