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Mild Covid could increase long-term risks of stroke- study

New report shows the limited understanding of the long-term effects of the virus



Mild Covid cases could increase the long-term risks of stroke, heart attack and heart failure, a new study has found.

The report published in Nature Medicine suggests the limited understanding of the consequences of Covid infection and long-term implications.

The UK has so far reported more than 23 million cases of Covid infection and more than 206,000 deaths, with at least 600 million more people infected worldwide.

The new study, conducted by researchers at Washington University, suggested a heightened risk of future cardiovascular events among people who have recovered from the virus.

The researchers looked at the health records of 150,000 US veterans and compared the rates of cardiovascular disease in veterans who were infected with Covid against uninfected control groups of around 10 million people.

Between 30 days and a year after recovery from Covid, participants were 52 per cent more likely to have a stroke, 63 per cent more likely to have a heart attack, and 72 per cent more likely to develop heart failure.

Over one year, for every 1,000 people who had Covid, there would be five extra cases of stroke, three extra heart attacks and 12 extra cases of heart failure.

The scientists discovered that while people with more severe acute Covid symptoms had the highest risk of cardiovascular events, those with milder symptoms were at increased risk too.

This was the first large study of its kind. However, its findings remain observational, subject to further research.

Since the Covid-19 outbreak, there has been an increase in strokes among young and middle-aged people who have contracted the virus.

The data is limited, but analyses suggest that coronavirus patients are likely to experience the deadliest type of stroke.

A separate study from the Thomas Jefferson University also found that people who had Covid were more than 2.5 times more likely to have an unfavourable outcome and face difficulty in recovery after a stroke, concluding that the virus was a predictor of poorer health outcomes.