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Tag: brain injury markers

Ongoing brain injury caused by COVID-19 may not always be detected by routine tests

A new study published recently in Nature Communications details that markers of brain injury are present in the blood many months after COVID-19 infection, despite inflammation blood tests being normal.

The COVID-CNS study analysed samples from over 800 patients hospitalised with COVID-19 from across England and Wales, half of whom with new neurological conditions. Here researchers measured brain injury markers, serum inflammatory proteins (cytokines), antibodies, and brain (neuroglial) injury proteins.

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Brain damage caused by COVID-19 may not show up on routine tests, study finds

Our study shows that markers of brain injury are present in the blood months after COVID-19, and particularly in those who have had a COVID-19-induced brain complication (e.g. inflammation, or stroke), despite resolution of the inflammatory response in the blood. This suggests the possibility of ongoing inflammation and injury inside the brain itself which may not be detected by blood tests for inflammation.

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