In this study, scientists identified more than 11,000 people who tested positive for COVID-19 in their medical records in 2020 and nearly 3,000 who required hospitalization. They compared this to more than 222,000 people who did not have COVID-19 at that time.
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Research indicates that people who contracted COVID-19 in 2020, before vaccines were developed, were twice as likely to experience serious cardiovascular complications – including heart attack, stroke, and death – in the three years following infection, compared to those who did not contract the virus.
Studies show that COVID-19 patients who are hospitalized have a three times higher risk of experiencing cardiovascular events compared to those who do not have COVID-19.
Furthermore, for those requiring hospitalization, COVID-19 appears to be a significant risk factor for future heart attacks and strokes, similar to diabetes or peripheral artery disease (PAD).
A study has shown that more than 3.5 million Americans were hospitalized with COVID-19 between May 2020 and April 2021.
Another alarming finding from the latest research shows that the risk of cardiovascular events in people who have had COVID-19 is not only increased but also persists for a longer period of time.
Dr. Stanley Hazen, a leading cardiologist, said: "This risk has not decreased at all, and may even increase over time. I think that's one of the most surprising findings."
Dr. Patricia Best, a cardiologist at the Mayo Clinic in Rochester, Minnesota, who was not involved in the study, said the finding was surprising and seemed to be unique to COVID-19.
Researchers say they are still unclear exactly why COVID-19 has such a long-term impact on the cardiovascular system.
However, the coronavirus is believed to be able to penetrate the walls of blood vessels and damage plaque, increasing the risk of blood clot formation and leading to dangerous complications such as heart attacks and strokes.
According to Dr. Hooman Allayee, a lecturer in biochemistry and molecular genetics at the Keck School of Medicine, "COVID-19 can cause long-term damage to the vascular system, even after patients have recovered."
Researchers also believe that genes encoding blood types may be linked to an increased risk of heart attack and stroke after COVID-19, but they are still unsure of the specific reasons.
Dr. Hazen emphasized, "If you have had COVID-19, you need to pay particular attention to reducing your cardiovascular risk." You should always check your blood pressure, cholesterol, and possibly take an aspirin every day.
Ha Trang (according to CNN)
Source: https://www.congluan.vn/nghien-cuu-cho-thay-covid-19-co-the-lam-tang-nguy-co-mac-benh-tim-trong-suat-3-nam-post316195.html






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