Epileptiform activity and seizures in patients with COVID-19

Introduction

Acute symptomatic seizures have been reported in sporadic cases in patients with COVID-19.1 2 However, a recent large retrospective cohort study suggested that there was no increased risk of acute symptomatic seizures in these patients.3 As such, the association of seizures with COVID-19 has not been established. Admittedly, EEG studies have been significantly underused due to exposure concerns, and epileptiform activity has seldom been identified in this patient population. The aims of this study were to determine the prevalence of epileptiform activity and to assess the risk of seizures in patients with COVID-19.

Methods

We retrospectively reviewed consecutive patients with COVID-19 from 1 March to 27 May 2020 in a single institution. Patients were included if they were (1) ≥18 years of age, (2) positive for nasal swab SARS-CoV-2 RNA qualitative PCR test and (3) underwent EEG monitoring. Patients with a prior active diagnosis…

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