Covid-19 positive people likely to suffer brain damage

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LONDON – Potentially fatal COVID-19 complications in the brain including delirium, nerve damage and stroke may be more common than initially thought, a team of British-based doctors warned.

Severe COVID-19 infections are known to put patients at risk of neurological complications, but research led by University College London suggests serious problems can occur even in individuals with mild cases of the virus.

The team looked at the neurological symptoms of 43 patients hospitalised with either confirmed or suspected COVID-19.

They found 10 cases of temporary brain dysfunction, 12 cases of brain inflammation, eight strokes and eight cases of nerve damage.

Most of those patients with inflammation were diagnosed with acute disseminated encephalomyelitis (ADEM) — a rare condition typically seen in children after viral infections.

“We identified a higher than expected number of people with neurological conditions such as brain inflammation, which did not always correlate with the severity of respiratory symptoms,” said Michael Zandi, of UCL’s Queen Square Institute of Neurology and University College London Hospitals NHS Foundation Trust.

The research, published in the journal Brain, showed that none of the patients diagnosed with neurological problems had COVID-19 in their cerebrospinal fluid, suggesting that the virus did not directly attack their brains.

“Given that the disease has only been around for a matter of months, we might not yet know what long-term damage COVID-19 can cause,” said Ross Paterson from UCL’s Queen Square Institute of Neurology.

“Doctors need to be aware of possible neurological effects, as early diagnosis can improve patient outcomes.”

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