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Papers of the Week

2022 Jul

Brain Nerve



[Peripheral Neuropathy and Myopathy Associated with COVID-19].


Honda M, Kanda T
Brain Nerve. 2022 Jul; 74(7):867-871.
PMID: 35860933.


Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its associated coronavirus disease (COVID-19) were reported to originate from Wuhan, China, in December 2019, spreading rapidly worldwide. With the emergence of this pandemic, an increasing number of cases of Guillain-Barré syndrome (GBS) have been reported following this infection. Most patients had a demyelinating subtype of GBS. The time interval between infectious and neuropathic symptoms, absence of cerebrospinal fluid pleocytosis, and negative polymerase chain reaction test result support a postinfectious mechanism. Skeletal muscle injury presents as muscle pain and elevated serum creatine kinase level in patients with COVID-19. Some patients developed several myopathic manifestations, including new-onset inflammatory myopathy. Muscle injury is caused by direct SARS-CoV-2 infection or through parainfectious mechanisms such as type I interferonopathy.