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See what his experiment showed
Alexei Kudryavtsev, a researcher at the Russian Academy of Sciences, pointed out why deaths in seriously ill people with COVID-19 occur more often at night, writes BTA.
Experimentally, he found that his blood saturation level dropped to 88 percent during deep sleep. At the same time, her blood pressure and heart rate dropped. Based on the results obtained, Kudryavtsev is convinced that the oxygen level in coronavirus patients decreases significantly more.
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The specialist pointed out that oxygenation of 88 percent is already dangerously weak, and in patients with the new coronavirus it can reach 70 percent.
In this situation, hypoxia can have a neurotoxic effect on the brain. “Such damage can go unnoticed, but it can be diffuse and this is one of the serious consequences,” Kudryavtsev said.
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It is the decrease in blood saturation that is associated with the high mortality of patients with severe disease at night. The decrease in oxygen saturation is a strong stressor for patients with respiratory failure.
It was previously found that patients with cardiovascular disease had a 12 times higher risk of death in people with COVID-19.
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Source: BTA
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