Neurological Disorders associated with COVID-19 Hospital Admissions : Experience of a Single Tertiary Healthcare Centre
Abstract
Background
Early reports have detailed a range of neurological symptoms in patients with the SARS-CoV-2 infection. However, there is a lack of detailed description and incidence of the neurological disorders amongst hospitalized COVID-19 patients. We describe a range of neurological disorders (other than non-specific neurological symptoms), including their clinical, radiological and laboratory findings, encountered in our cohort of COVID-19 patients admitted to a large tertiary institution.
Methods
We reviewed our prospectively collated database of all adult Neurology referrals, Neurology and Stroke admissions and Neurological multi-disciplinary team meetings for all hospitalized patients with suspected or proven COVID-19 from 17 March 2020 to 31 August 2020.
Results
Twenty-nine of 1243 COVID-19 inpatients (2.3%) presented with COVID-19-related neurological disorders. The mean age was 68.9 +/- 13.5(SD) years, age range of 34-97 years, and there were 16 males. 22 patients had confirmed, 5 were probable and 2 had suspected COVID-19 infection according to the WHO case classification. Eight patients (27%) required critical care admission. Neurological symptoms at presentation included acute confusion and delirium, seizures, and new focal neurological deficits. Based on the pre-defined neurological phenotype, COVID-19 patients were grouped into four main categories. 16 patients had cerebrovascular events (13 with acute ischaemic stroke and 3 had haemorrhagic features), 7 patients were found to have inflammatory, non-inflammatory and autoimmune encephalopathy (including 2 with known Multiple Sclerosis), whilst disorders of movement and peripheral nervous system were diagnosed in 3 patients each.
Conclusion
Although the exact prevalence and aetiology remain unclear, new onset of neurological disorders, in addition to anosmia, is non-sporadic during the acute COVID-19-infection. Longitudinal follow-up of these patients is required to determine the clinical and functional outcome, treatment response and long-term effects of the SARS-CoV-2 infection.
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