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Infection with the Sars-CoV-2 coronavirus can not only manifest itself through fever, cough, and shortness of breath, but can also cause neurological symptoms. These are the current results of a study by Chinese scientists with patients from Wuhan. The city is considered the epicenter of the pandemic, from which the virus spread throughout the world.
As doctors reported in the journal “JAMA Neurology,” a good third of the 214 patients they examined showed signs that the virus had damaged the nervous system. The most common symptoms included dizziness and headache, as well as olfactory and taste disorders.
New corona study: most common symptoms are dizziness and headache
Reports of crown patients who lost their sense of smell and taste, at least temporarily, had accumulated in the past few days. These symptoms indicated that the brain was involved, said infectologist Bernd Salzberger of Regensburg University Hospital. “Until now, there have been very few examinations of the brain of patients with a crown. We are still in the dark. “
Wuhan’s study examined patient files, laboratory findings, and radiological examinations of the approximately 214 study participants who had proven Covid-19 disease. At Huazhong University of Science and Technology, neurologist Ling Mao and his team examined patient files, laboratory findings, and radiological exams of about 214 study participants who had demonstrated Covid-19 disease. Of the examined patients, 78 showed 36.4 percent of neurological manifestations. These were the most severe, the most severe was Covid’s disease 19.
Very often, doctors were able to identify these symptoms:
- Dizziness (36 patients, 16.8 percent)
- Headache (28 patients, 13.1 percent)
- Taste disorders (12 patients, 5.6 percent)
- Olfactory disorders (11 patients, 5.1 percent)
- Stroke (6 patients, 2.8 percent)
Respiratory arrest could be the result of neurological damage.
Sars and also Mers, also diseases caused by a coronavirus, are known to cause damage to the nervous system. For both infections, it has been experimentally shown that the virus can enter the brain through the olfactory nerves in the nasal cavity.
In the case of Covid-19, it is now being discussed whether respiratory arrest could also be the result of neurological damage, for example, inflammation of the brain stem, where control of the cardiovascular system and respiratory tract is also found. The study authors find it particularly important that clinicians consider Covid-19 infection in patients with corresponding neurological symptoms “to avoid late or misdiagnosis and to avoid further transmission.”
dpa / red
