Encephalitis A Rare, But Serious Post-COVID Complication: St
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In a recent study, a team of researchers has found out that COVID-19 patients may encounter a rare but severe neurological complication of encephalitis. Although COVID-19 predominantly affects the respiratory system, recent studies have reported the occurrence of neurological disorders such as stroke, in relation to COVID-19 infection. Encephalitis is an inflammatory condition of the brain that has been described as a severe neurological complication of COVID-19.

Despite a growing number of reported cases, encephalitis related to COVID-19 infection has not been adequately characterized. To address this gap, this systematic review and meta-analysis aim to describe the incidence, clinical course and outcomes of patients who suffer from encephalitis as a complication of COVID-19.

For the study design, all studies published between November 1, 2019 and October 24, 2020 that reported on patients who developed encephalitis as a complication of COVID-19 were included. Only cases with radiological and/or biochemical evidence of encephalitis were included.

Data analysis revealed the following facts

• In this study, 610 studies were screened and 23 studies reporting findings from 129,008 patients, including 138 with encephalitis, were included.

• The average time from diagnosis of COVID-19 to onset of encephalitis is 14.5 days.

• The average incidence of encephalitis as a complication of COVID-19 was 0.215%.

• The average mortality rate of encephalitis in COVID-19 patients was 13.4%.

• These patients also had deranged clinical parameters including raised serum inflammatory markers and CSF pleocytosis.

Observing the results, the team concluded "Although encephalitis is an uncommon complication of COVID-19, when present, it results in significant morbidity and mortality. Severely-ill COVID-19 patients are at higher risk of suffering from encephalitis as a complication of the infection."

Source:
https://onlinelibrary.wiley.com/doi/10.1111/ene.14913
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