Prospective evaluation of interrater agreement between EEG technologists and neurophysiologists

Abstract We aim to prospectively investigate, in a large and heterogeneous population, the electroencephalogram (EEG)-reading performances of EEG technologists. A total of 8 EEG technologists and 5 certified neurophysiologists independently analyzed 20-min EEG recordings. Interrater agreement (IRA)...

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Autores principales:	Isabelle Beuchat, Senubia Alloussi, Philipp S. Reif, Nora Sterlepper, Felix Rosenow, Adam Strzelczyk
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8be14e0df88a4dbba9e329d2f6cda81d
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spelling	oai:doaj.org-article:8be14e0df88a4dbba9e329d2f6cda81d2021-12-02T14:33:51ZProspective evaluation of interrater agreement between EEG technologists and neurophysiologists10.1038/s41598-021-92827-32045-2322https://doaj.org/article/8be14e0df88a4dbba9e329d2f6cda81d2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92827-3https://doaj.org/toc/2045-2322Abstract We aim to prospectively investigate, in a large and heterogeneous population, the electroencephalogram (EEG)-reading performances of EEG technologists. A total of 8 EEG technologists and 5 certified neurophysiologists independently analyzed 20-min EEG recordings. Interrater agreement (IRA) for predefined EEG pattern identification between EEG technologists and neurophysiologits was assessed using percentage of agreement (PA) and Gwet-AC1. Among 1528 EEG recordings, the PA [95% confidence interval] and interrater agreement (IRA, AC1) values were as follows: status epilepticus (SE) and seizures, 97% [96–98%], AC1 kappa = 0.97; interictal epileptiform discharges, 78% [76–80%], AC1 = 0.63; and conclusion dichotomized as “normal” versus “pathological”, 83.6% [82–86%], AC1 = 0.71. EEG technologists identified SE and seizures with 99% [98–99%] negative predictive value, whereas the positive predictive values (PPVs) were 48% [34–62%] and 35% [20–53%], respectively. The PPV for normal EEGs was 72% [68–76%]. SE and seizure detection were impaired in poorly cooperating patients (SE and seizures; p < 0.001), intubated and older patients (SE; p < 0.001), and confirmed epilepsy patients (seizures; p = 0.004). EEG technologists identified ictal features with few false negatives but high false positives, and identified normal EEGs with good PPV. The absence of ictal features reported by EEG technologists can be reassuring; however, EEG traces should be reviewed by neurophysiologists before taking action.Isabelle BeuchatSenubia AlloussiPhilipp S. ReifNora SterlepperFelix RosenowAdam StrzelczykNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Isabelle Beuchat Senubia Alloussi Philipp S. Reif Nora Sterlepper Felix Rosenow Adam Strzelczyk Prospective evaluation of interrater agreement between EEG technologists and neurophysiologists
description	Abstract We aim to prospectively investigate, in a large and heterogeneous population, the electroencephalogram (EEG)-reading performances of EEG technologists. A total of 8 EEG technologists and 5 certified neurophysiologists independently analyzed 20-min EEG recordings. Interrater agreement (IRA) for predefined EEG pattern identification between EEG technologists and neurophysiologits was assessed using percentage of agreement (PA) and Gwet-AC1. Among 1528 EEG recordings, the PA [95% confidence interval] and interrater agreement (IRA, AC1) values were as follows: status epilepticus (SE) and seizures, 97% [96–98%], AC1 kappa = 0.97; interictal epileptiform discharges, 78% [76–80%], AC1 = 0.63; and conclusion dichotomized as “normal” versus “pathological”, 83.6% [82–86%], AC1 = 0.71. EEG technologists identified SE and seizures with 99% [98–99%] negative predictive value, whereas the positive predictive values (PPVs) were 48% [34–62%] and 35% [20–53%], respectively. The PPV for normal EEGs was 72% [68–76%]. SE and seizure detection were impaired in poorly cooperating patients (SE and seizures; p < 0.001), intubated and older patients (SE; p < 0.001), and confirmed epilepsy patients (seizures; p = 0.004). EEG technologists identified ictal features with few false negatives but high false positives, and identified normal EEGs with good PPV. The absence of ictal features reported by EEG technologists can be reassuring; however, EEG traces should be reviewed by neurophysiologists before taking action.
format	article
author	Isabelle Beuchat Senubia Alloussi Philipp S. Reif Nora Sterlepper Felix Rosenow Adam Strzelczyk
author_facet	Isabelle Beuchat Senubia Alloussi Philipp S. Reif Nora Sterlepper Felix Rosenow Adam Strzelczyk
author_sort	Isabelle Beuchat
title	Prospective evaluation of interrater agreement between EEG technologists and neurophysiologists
title_short	Prospective evaluation of interrater agreement between EEG technologists and neurophysiologists
title_full	Prospective evaluation of interrater agreement between EEG technologists and neurophysiologists
title_fullStr	Prospective evaluation of interrater agreement between EEG technologists and neurophysiologists
title_full_unstemmed	Prospective evaluation of interrater agreement between EEG technologists and neurophysiologists
title_sort	prospective evaluation of interrater agreement between eeg technologists and neurophysiologists
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/8be14e0df88a4dbba9e329d2f6cda81d
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Prospective evaluation of interrater agreement between EEG technologists and neurophysiologists

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