• Kyle A Weant, Stephanie L Barré, Sara Bruner, Ryan Smiley, and Gregory A Hall.
• Department of Clinical Pharmacy and Outcome Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, United States of America. Electronic address: kweant@mailbox.sc.edu.
• Am J Emerg Med. 2021 Jun 1; 44: 106-111.

PurposeAlthough guidelines recommend specific benzodiazepine doses for the treatment of generalized convulsive status epilepticus (GCSE), underdosing appears to be common. The purpose of this investigation was to assess benzodiazepine dosing strategies for the initial management of GCSE in patients presenting to the Emergency Department (ED).MethodsThis was a retrospective review of adult patients who received benzodiazepines in the ED for treatment of GCSE. Characteristics of those achieving seizure cessation following initial benzodiazepine therapy were assessed.Results222 patients presented to the ED and received 403 doses of benzodiazepines, of which 1.5% conformed with recommendations. First-line therapy was successful in 86.8% of patients with an average dose of 1.6 mg (0.02 mg/kg). No difference in dosing was noted between those experiencing early cessation and those that did not (p = 0.132). Patients experiencing early cessation were significantly less likely to receive further doses, be intubated, or be admitted to the intensive care unit (ICU) or hospital (p < 0.05 for all comparisons). Those that received early antiepileptic drug therapy were significantly less likely to receive additional benzodiazepine doses, be intubated, or be admitted to the ICU or hospital (p < 0.05 for all comparisons).ConclusionsAccording to guideline recommendations, there was consistent underdosing of benzodiazepines noted in both prehospital and ED settings. Early seizure cessation and the early receipt of an antiepileptic drug were found to be associated with multiple significant clinical outcomes. Future investigations should explore optimal dosing strategies for benzodiazepines as well as the impact of early antiepileptic drug administration.Copyright © 2021 Elsevier Inc. All rights reserved.

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