Article ; Online: Neurophysiological findings and their prognostic value in critical COVID-19 patients: An observational study.
2021 Volume 132, Issue 5, Page(s) 1009–1017
Abstract: Objective: To describe EEG patterns of critical Coronavirus Disease 2019 (COVID-19) patients ... Conclusions: Among critical COVID-19 patients with abnormal arousal at discontinuation of sedation, EEG ... after neurophysiological explorations.: Results: 33 patients were included for analysis. We found ...
| Abstract | Objective: To describe EEG patterns of critical Coronavirus Disease 2019 (COVID-19) patients with suspicion of encephalopathy and test their association with clinical outcome. Methods: EEG after discontinuation of sedation in all patients, and somesthesic evoked potentials and brainstem auditive evoked potentials when EEG did not show reactivity, were performed. Clinical outcome was assessed at day 7 and 14 after neurophysiological explorations. Results: 33 patients were included for analysis. We found slowed background activity in 85% of cases, unreactive activity in 42% of cases, low-voltage activity in 21% of cases and rhythmic or periodic delta waves in 61% of cases. EEG epileptic events were never recorded. Clinical outcome at day 14 was associated with unreactive background activity and tended to be associated with rhythmic or periodic delta waves and with low-voltage activity. Results of multimodal evoked potentials were in favor of a preservation of central nervous system somatosensory and auditory functions. Conclusions: Among critical COVID-19 patients with abnormal arousal at discontinuation of sedation, EEG patterns consistent with encephalopathy are found and are predictive for short term clinical outcome. Significance: The abnormal EEG with presence of periodic discharges and lack of reactivity could be related to encephalopathy linked to COVID-19. |
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| MeSH term(s) | Aged ; Arousal/physiology ; COVID-19/diagnosis ; COVID-19/physiopathology ; Critical Care/methods ; Electroencephalography/methods ; Evoked Potentials, Auditory/physiology ; Evoked Potentials, Somatosensory/physiology ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Prognosis ; Retrospective Studies | |||||
| Language | English | |||||
| Publishing date | 2021-02-25 | |||||
| Publishing country | Netherlands | |||||
| Document type | Journal Article ; Observational Study | |||||
| ZDB-ID | 1463630-x | |||||
| ISSN | 1872-8952 ; 0921-884X ; 1388-2457 | |||||
| ISSN (online) | 1872-8952 | |||||
| ISSN | 0921-884X ; 1388-2457 | |||||
| DOI | 10.1016/j.clinph.2021.02.007 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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