Erschienen in:
15.06.2021 | original article
COVID-19-associated myoclonus in a series of five critically ill patients
Erschienen in: Wiener klinische Wochenschrift | Ausgabe 17-18/2021
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Background
In addition to respiratory symptoms, many patients with coronavirus disease 2019 (COVID-19) present with neurological complications. Several case reports and small case series described myoclonus in five patients suffering from the disease. The purpose of this article is to report on five critically ill patients with COVID-19-associated myoclonus.
Material and methods
The clinical courses and test results of patients treated in the study center ICU and those of partner hospitals are described. Imaging, laboratory tests and electrophysiological test results are reviewed and discussed.
Results
In severe cases of COVID-19 myoclonus can manifest about 3 weeks after initial onset of symptoms. Sedation is sometimes effective for symptom control but impedes respiratory weaning. No viral particles or structural lesions explaining this phenomenon were found in this cohort.
Conclusion
Myoclonus in patients with severe COVID-19 may be due to an inflammatory process, hypoxia or GABAergic impairment. Most patients received treatment with antiepileptic or anti-inflammatory agents and improved clinically.
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