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

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.

Descriptions

Resource type(s)
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.
Related URL
Publisher
WILEY
Date Created
2020-11
Original Identifier
(PMID) 33016619
Grants and funding
National Institutes of HealthUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) - USA [L30 NS098427]
DOI
10.1002/acn3.51210

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