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Frequent neurologic manifestations and encephalopathy-associated morbidity in Covid-19 patients Open Access (recommended)

Descriptions

Resource type(s)
Journal Article
Keyword
COVID-19
Rights
Attribution 4.0 International

Creator
Liotta, Eric M.
Batra, Ayush
Clark, Jeffrey R.
Shlobin, Nathan A.
Hoffman, Steven C.
Orban, Zachary S.
Koralnik, Igor J.
Abstract
Objective: Covid-19 can involve multiple organs including the nervous system. We sought to characterize the neurologic manifestations, their risk factors, and associated outcomes in hospitalized patients with Covid-19. Methods: We examined neurologic manifestations in 509 consecutive patients admitted with confirmed Covid-19 within a hospital network in Chicago, Illinois. We compared the severity of Covid-19 and outcomes in patients with and without neurologic manifestations. We also identified independent predictors of any neurologic manifestations, encephalopathy, and functional outcome using binary logistic regression. Results: Neurologic manifestations were present at Covid-19 onset in 215 (42.2%), at hospitalization in 319 (62.7%), and at any time during the disease course in 419 patients (82.3%). The most frequent neurologic manifestations were myalgias (44.8%), headaches (37.7%), encephalopathy (31.8%), dizziness (29.7%), dysgeusia (15.9%), and anosmia (11.4%). Strokes, movement disorders, motor and sensory deficits, ataxia, and seizures were uncommon (0.2 to 1.4% of patients each). Severe respiratory disease requiring mechanical ventilation occurred in 134 patients (26.3%). Independent risk factors for developing any neurologic manifestation were severe Covid-19 (OR 4.02; 95% CI 2.04-8.89; P < 0.001) and younger age (OR 0.982; 95% CI 0.968-0.996; P = 0.014). Of all patients, 362 (71.1%) had a favorable functional outcome at discharge (modified Rankin Scale 0-2). However, encephalopathy was independently associated with worse functional outcome (OR 0.22; 95% CI 0.11-0.42; P < 0.001) and higher mortality within 30 days of hospitalization (35 [21.7%] vs. 11 [3.2%] patients; P < 0.001). Interpretation; Neurologic manifestations occur in most hospitalized Covid-19 patients. Encephalopathy was associated with increased morbidity and mortality, independent of respiratory disease severity.
Original Bibliographic Citation
Liotta EM, Batra A, Clark JR, Shlobin NA, Hoffman SC, Orban ZS, Koralnik IJ. Frequent neurologic manifestations and encephalopathy-associated morbidity in Covid-19 patients. Annals of Clinical and Translational Neurology. 2020;7(11):2221-2230.
Related URL
Publisher
WILEY
Date Created
2020-11
Original Identifier
(PMID) 33016619
Language
English
Subject: MESH
COVID-19--complications
Neurologic Manifestations
Subject: LCSH
COVID-19 (Disease)
Cognition disorders
Grants and funding
National Institutes of Health
United States Department of Health & Human Services
National Institutes of Health (NIH) - USA [L30 NS098427]
DOI
10.1002/acn3.51210

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