Study reveals what could be behind long Covid — Analysis

According to South African scientists, persistent blood-clotting could be the reason.

Researchers at South Africa’s Stellenbosch University say they have evidence that significant and persistent microclotting may explain the symptoms experienced by people suffering from ongoing symptomatic coronavirus.

Resia Prtorius, professor of physiological sciences and author of a Wednesday article published in The Guardian, shared the results of her research into long Covid.

Pretorius described the symptoms and condition as a microclotting phenomenon. “A recent study in my lab revealed that there is significant microclot formation in the blood of both acute Covid-19 and long Covid patients,”The scientist wrote.

Fibrinolysis is a normal process that breaks down clots in humans. But, her research shows that microclots are not possible for those with chronic Covid.

“The presence of persistent microclots and hyperactivated platelets (also involved in clotting) perpetuates coagulation and vascular pathology, resulting in cells not getting enough oxygen in the tissues to sustain bodily functions (known as cellular hypoxia),”Sie wrote.

Her conclusion was that hypoxia might be responsible for long Covid patients’ debilitating symptoms. 

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This confirms previous observations that acute Covid-19 also has an effect on the cardiovascular system.

Pretorius observed that long Covid sufferers are not capable of having their condition diagnosed easily because the necessary pathology tests aren’t readily available.

She called for “Dring!” research into the condition in order to aid diagnosis and develop treatment protocols, especially given hypoxia can elevate the risk of stroke and heart attack.

Around 100 million people are currently suffering from symptomatic coronavirus. The symptoms include extreme fatigue, brain fog and muscle weakness.

Some have reported the development anxiety or depression.

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