Nonconvulsive status epilepticus in the emergency room

Research output: Contribution to journalArticle

Abstract

Purpose: The study reviewed emergent cases of nonconvulsive status epilepticus (NCSE) to evaluate causes of diagnostic and management delay and examined frequent diagnostic features suggestive of NCSE. Methods: In a retrospective study, we assessed the clinical presentation of 23 patients with one or more NCSE episodes, their medical history, EEG, and antiepileptic drug (AED) treatment. We also evaluated causes of diagnostic delay in patients referred to the emergency room (ER) in confusional states. Results: There was considerable overlap in clinical features of patients with complex partial SE (CPSE) and generalized nonconvulsive SE (GNSE). Delays in seeking medical attention were common. Diagnosis was significantly delayed in 10 patients. Three cases illustrate the possible markedly different presentations of NCSE. Conclusions: NCSE often goes unrecognized or is mistaken for behavioral or psychiatric disturbance. The pleomorphic clinical presentation of NCSE indicates that EEG and a therapeutic trial of AEDs afford the best diagnostic measures in acute waxing and waning confusional states associated with agitation, bizarre behavior, staring, increased tone, mutism, or subtle myoclonus.

Original languageEnglish (US)
Pages (from-to)643-650
Number of pages8
JournalEpilepsia
Volume37
Issue number7
DOIs
StatePublished - Aug 10 1996

Keywords

  • Catalepsy
  • Electroencephalography
  • Epilepsy
  • Mutism
  • Nonconvulsive status epilepticus
  • Psychosis

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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