Text/Tide Health
Since the COVID-19 pandemic, the virus strains have been constantly mutating so far. Although the latest Omicron mutant strain is considered to be gradually becoming milder and flu-like, the latest research report warns that the sequelae of a confirmed COVID-19 may last for up to a year For a long time, it is more likely to cause profound damage to the cardiovascular system.
The international authoritative journal “Science” reported that in the early stages of the pandemic, it was discovered that severe infection would damage the patient’s cardiovascular health, causing thrombosis, inflammation, arrhythmia and even heart failure. However, whether these effects will last after recovery, It is a topic of great concern to scientists.
A recent study of 11 million U.S. military veterans found that among veterans diagnosed a year earlier, the risk of a total of 20 different cardiovascular diseases was increased by a previous diagnosis of the virus, including heart attack, cardiac arrhythmia, stroke, Transient cerebral ischemia, heart failure, cardiac arrest, pulmonary embolism, deep vein thrombosis, etc.
Veterans infected with COVID-19 had a 72 percent higher risk of heart failure 12 months later, the study found. The severity of symptoms is also positively correlated with the degree of infection symptoms at the time of initial diagnosis. However, the statistics were collected from March 2020 to January 2021, and most of them have not yet been vaccinated against the new coronavirus.
In the post-epidemic era, the virus threatens cardiovascular disease as much as smoking and obesity
“If someone claims that COVID-19 is just like the flu virus, this report will be the most powerful evidence to date that it is not the case!” Scripps Research (Scripps Research) cardiologist Eric Topol believes that the study The results are shocking, and the degree of sequelae of infection with the virus is worse than previously recognized by the medical community, which will also increase the long-term burden on the public health system.
Ziyad Al-Aly, a cardiologist at the Cleveland Clinic (Cleveland Clinic), said that in the post-epidemic era, COVID-19 will become one of the high risk factors for cardiovascular disease, which is no less threatening than smoking and obesity. However, this study is retrospective in nature, and prospective studies are still required to calculate the accurate cardiovascular risk value of confirmed COVID-19 virus.
The research team admitted that it is currently unable to explain why the virus can cause long-term damage to the body of the diagnosed person, but it is tentatively inferred that cardiovascular disease is also one of a series of symptoms of long-term effects (Long Covid) after diagnosis, and other effects include brain fog in patients , fatigue, weakness, loss of smell, etc.
Virus damages cardiovascular “equal” and is related to endothelial cell damage
“Similar conditions may occur in the brain or other organs, which also proves that the COVID-19 virus can cause long-term damage to the heart and blood vessels. Brain fog, which has been discussed by many people, is also a symptom of this.” Ziyad emphasized that COVID-19 The phenomenon of increasing cardiovascular risk can be described as “discriminatory”, whether old or young, diabetic or non-diabetic, obese or non-obese, smoker or never smoker, the risk of cardiovascular disease will increase.
Now that you have recovered from the infection, why does the virus cause damage to the heart and blood vessels? One possibility, according to Al-Aly, is that the endothelial cells in the heart’s blood vessels are damaged and inflamed. Others include the virus directly infecting heart muscle tissue, or raising levels of cytokines, which lead to fibrosis of heart muscle cells, or persistent infection in places where the immune system cannot reach. But these are still only hypothetical stage, need further experimental proof.
In addition, the study also has relevant limitations, because most of the veterans belong to white, male and elderly population, 90% of the respondents in the three groups are male, and the proportion of white people in the second group is as high as 71% and 76%, while the data The average age of the collection objects is about 60 years old. Therefore, whether variables such as gender and racial differences will also show the same results is still unknown.
The article is authorized to be reproduced from “Tide Health”Sequelae research exposure: Heart failure not only increased by 72% after 1 year of infection with the new coronavirus?
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