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Cardiologists: Simple blood test to predict myocardial infarction

Cardiologists: Simple blood test to predict myocardial infarction


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Inexpensive and simple method could prevent many heart attacks worldwide
Researchers have now found that people with higher levels of antibodies in the blood have a lower risk of having a heart attack. For this reason, a simple blood test in the future could be enough to determine the risk of heart attack in the next five years.

Scientists from Imperial College London and University College London found in an investigation that a simple blood test can tell us how high our risk of a heart attack is over the next five years. The doctors published the results of their study in the specialist magazine "EbioMedicine".

Antibodies in the blood affect the risk of heart attack
In the future, doctors could use a blood test and information about factors such as age, gender, blood pressure, cholesterol levels and medical history to calculate how high the risk of heart disease will be in the next few years, the authors say. A higher level of antibodies in our blood indicates a lower risk. This finding could mean for people who are currently taking statins or beta blockers and have a strong immune system that they can do without these drugs in the future. The scientists explain that the concentration of antibodies in the blood can measure how high the risk of a person's heart attack is.

People with the lowest antibody levels had the highest risk of heart attack
The new study showed a relationship between the amount of so-called IgG antibodies in blood and the probability of adverse cardiac events. IgG is the most common form of antibodies and is responsible for protecting the body against bacterial and viral infections, the experts explain. An IgG measurement is simple and cheap. The new finding could make it easier for doctors in the future to make more precise risk predictions. In their five-year study, the scientists examined more than 1,700 people at risk of heart disease. They found that people with the lowest antibody levels had the highest risk of heart attack.

Many antibodies result in a risk that is up to 58 percent lower
Those with the highest number of antibody levels had a 58 percent lower risk of coronary artery disease or heart attack, the researchers say. They were also 38 percent less likely to have a stroke or other negative heart event. The fact that a stronger, more robust immune system affects the protection against heart attacks is a really exciting finding, explains lead author Dr. Ramzi Khamis.

Further research tries to find ways to improve the immune system
This new finding must be used to investigate the factors that cause some people to have an immune system that can protect them from heart attacks. We also hope to find ways to strengthen our immune system and protect it from such events, adds Dr. Khamis added. (as)

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