In a new study, researchers found children with COVID-19 may present with new neurological symptoms involving the central and peripheral nervous systems, and splenial changes on imaging.
The research was conducted by a team at Great Ormond Street Hospital for Children in London and elsewhere.
The team reported neurological manifestations of children with COVID-19 in a case series involving patients younger than 18 years.
Data were included for 27 patients with COVID-19 pediatric multisystem inflammatory syndrome.
The researchers found that four of the patients (14.8%) who were previously healthy had new-onset neurological symptoms, including encephalopathy, headaches, brainstem, and cerebellar signs, muscle weakness, and reduced reflexes.
All four required intensive care unit admission for treatment.
In all four patients, splenium signal changes were seen on magnetic resonance imaging of the brain.
Samples were acellular in the two patients whose cerebrospinal fluid was tested, with no evidence of infection on polymerase chain reaction or culture and negative oligoclonal band test results.
A mild excess of slow activity was found in all three patients who underwent electroencephalography.
Mild myopathic and neuropathic changes were seen in all three patients who underwent nerve conduction studies and electromyography.
In all patients, there was a neurological improvement, with two patients making a complete recovery by the end of the study.
The team says doctors should add SARS-CoV-2 to their diagnosis for children presenting with new neurologic symptoms.
One author of the study is Omar Abdel-Mannan, M.D.
The study is published in JAMA Neurology.
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