Brazilian scientists have concluded on COVID-19 that in some patients, after suffering a disease, damage to the most important cells of the brain and nervous system is diagnosed. We are talking about astrocytes and microglia . These damages provoke the manifestation of Alzheimer’s and Parkinson’s diseases, and can become prerequisites for the development of schizophrenia.
Covid symptoms: loss of consciousness, headaches and convulsions, associated with the degradation of nerve endings. According to the research of the best neurologists, it was revealed that there is a certain group of people who are most at risk.
How does the transferred coronavirus affect the nervous system of patients?
The negative impact of the new virus on astrocytes has already been proven , the number of which in the central nervous system is higher than other cells. There is damage to the cortex in different parts of the brain, up to atrophic processes in some parts of the brain, if the disease is characterized by a severe form.
According to scientists, this moment explains the appearance of neurological symptoms in the form of seizures, headache, loss of smell and taste, which often remain after full recovery.
A Russian neurologist, Anna Kudryavtseva, reported that COVID-19 was similar to the most numerous brain cells ( astrocytes ), which are responsible for processing and storing long-term memory data. Therefore, the human body does not perceive the virus as a foreign body.
Neurologist P. Isabekova also agrees with her colleague , the doctor explained: after defeating the coronavirus infection and in the process of treatment, the virus interacts with ACE-2. These receptors are found both in the brain and in lung tissue.
Information is published in foreign medical sources that encephalitis, meningitis and cerebrovascular accident are the most common CNS lesions after covid . This is manifested by such symptoms as: impaired consciousness, epileptic seizures, headache, dizziness.
In more than half of the patients, neurological disorders are established, which may remain during the patient’s recovery.
Candidate of Medical Sciences, Tsinzerling Natalya Vsevolodovna, says that today there are no studies in the field of reversibility of ongoing violations. But the best minds in medicine do not deny the ability of the virus to affect and destroy the nervous system at the cellular level.
According to the conclusions of some doctors, it can be summarized that coronavirus infection affects not only astrocytes , it also affects other cells of the central nervous system. In rare cases, neuronal damage can occur.
COVID-19 leads to brain hypoxia
Robert Arushanov , an experienced neurologist psychiatrist, has his own hypothesis. He believes that CNS disorders against the background of coronavirus can be psychosomatic. A lot of negative publications on the Internet and media about covid develop phobias in people about the virus. Daily information with dubious overtones primarily affects patients with mental illness. Hence, neuralgic disorders appear.
At the end of the first stage of the epidemic in our country, cases of severe psychiatric and neuralgic disorders have become more frequent, and covid patients are among them.
The alleged complications after a coronavirus infection are debated in all countries, research on this issue does not stop. British scientists have found that changes in the state of the brain for the worse are seen in patients who have had a severe form of coronavirus, and in patients after a mild stage of the disease. According to neurologist T. Mokina , a person with a mild form of COVID-19 may simply not feel negative transformations in the brain.
At the very beginning of infection, symptoms may not appear at all. And only later the disease will remind you of itself with bouts of nausea, memory loss, insomnia, fatigue.