you may still have blood clots a year later

According to a study, the risk of blood clots in the veins was 33 times higher during the first week after contamination.

Covid-19 infection leaves traces in the body. A year after the contamination, some dangers still exist. According to a recent study, the risk of life-threatening blood clots remains for at least 49 weeks. This conclusion, reported by EurekAlert, was made by looking at data from the health records of 48 million adults not vaccinated against the virus.

According to this study (conducted by researchers from the Universities of Bristol, Cambridge and Edinburgh and Swansea University), the Covid-19 outbreak has led to 10,500 additional cases of heart attacks, strokes and strokes. other blood clot complications in England and Wales for the year 2020. This data was collected before the mass vaccination and multiplication of variants.

The risk of blood clots in the veins was 33 times higher in the first week after being diagnosed with Covid-19. This risk fell to eight times after four weeks. During this study, the researchers also analyzed the problems caused by blood clots in the veins (such as deep vein thrombosis and pulmonary embolism). In detail, a week after being diagnosed with Covid-19, patients were 21 times more likely to have a heart attack or stroke. A figure that fell to 3.9 times after four weeks.

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Heart attacks and strokes

We are reassured that the risk is falling quite quickly – particularly for heart attacks and strokes – but the finding that this risk remains high for some time highlights the longer-term effects of Covid-19 that we are only beginning to understand“, explains Jonathan Sterne, professor of medical statistics and epidemiology at the University of Bristol and co-director of this study.

Between 26 and 49 weeks after contamination, the higher risk of having a blood clot was 1.3 times in the arteries and 1.8 times in the veins. These findings were published in the journal Circulation.

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