Publication Date

5-1-2023

Journal

Journal of Neurology

DOI

10.1007/s00415-023-11661-x

PMID

36943516

PMCID

PMC10029788

PubMedCentral® Full Text Version

Post-print

Published Open-Access

yes

Keywords

Male, Female, Humans, Aged, COVID-19, Follow-Up Studies, Movement Disorders, Risk Factors, Tremor, COVID, Sars-CoV2, Movement disorder, Long covid, Outcome, Myoclonus ataxia, Parkinsonism

Abstract

BACKGROUND: Neurological symptoms are common manifestation in acute COVID-19. This includes hyper- and hypokinetic movement disorders. Data on their outcome, however, is limited.

METHODS: Cases with new-onset COVID-19-associated movement disorders were identified by searching the literature. Authors were contacted for outcome data which were reviewed and analyzed.

RESULTS: Movement disorders began 12.6 days on average after the initial onset of COVID-19. 92% of patients required hospital admission (mean duration 23 days). In a fraction of patients (6 of 27; 22%; 4 males/2 females, mean age 66.8 years) the movement disorder (ataxia, myoclonus, tremor, parkinsonism) was still present after a follow-up period of 7.5 ± 3 weeks. Severe COVID-19 in general and development of encephalopathy were risk factors, albeit not strong predictors, for the persistence.

CONCLUSIONS: The prognosis of new-onset COVID-19-associated movement disorder appears to be generally good. The majority recovered without residual symptoms within several weeks or months. Permanent cases may be due to unmasking of a previous subclinical movement disorder or due to vascular/demyelinating damage. Given the relatively low response rate of one third only and the heterogeneity of mechanisms firm conclusions on the (long-term) outome cannot, however, be drawn.

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