13% of patients develop a serious neurological condition

… But neurological signs were also observed as soon as the virus appeared, such as: headaches, delirium or confusion, cognitive dysfunction, fatigue and of course, loss of smell (anosmia) and taste. , since the quasi-start of the pandemic, the neurological disorders associated with Covid have been regularly mentioned by scientists. A new international study that examined 179 hospitals in 24 countries. They counted 1,656 (10.2%) patients with encephalopathy (as part of an operation carried out by Biobank, an organization that has been compiling health data in the United Kingdom for years.

In total, the brain changes of 785 participants in the biobank (aged 51 to 81) were therefore compared. On average, an infection with the virus results, several months later, in a loss or lesion of 0.2% to 2% of brain tissue in addition to what is observed in non-infected participants. Infected participants also showed on average a greater cognitive decline between the two imagings (before and after infection).

Should we be worried about the neurological effects of Covid?

“To get an idea of ​​the magnitude of these effects, we can compare them to what happens during normal aging and be the cause of neurological and psychological complications in some patients. “Even if SARS-CoV -2 is rarely detected in the nervous system (…)

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