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Possible link between blood clots and Covid symptoms investigated

A possible link between blood clots and ongoing symptoms of Covid is under scrutiny by researchers in the UK.

While Covid can cause a period of acute illness, it can also lead to longer-term problems. Research has suggested fewer than a third of patients who have ongoing Covid symptoms after being hospitalised with the disease feel fully recovered a year later.

Now researchers are due to begin a number of trials to explore whether blood thinners may help those who have had the disease.

Prof Ami Banerjee, of University College London, who is leading a study called Stimulate-ICP, said it was known that a Covid infection increases the risk of blood clots, and that people who have had the disease have a greater risk of related conditions including stroke, heart attacks and deep vein thrombosis.

In addition, Banerjee said research from scientists in South Africa had suggested that people with long Covid have microclots in their blood, while studies in the UK suggested almost a third of long Covid patients have clotting abnormalities.

But he said it was not clear if the findings were generalisable, and while there had been calls on social media for anticoagulants to be made available on the basis of such findings, further research was needed, not least as blood thinners can lead to an increased risk of bleeds.

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Source: The Guardian, 27 June 2022


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