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Flu Can Increase Heart Attack Risk

British researchers report.that both seasonal and the pandemic H1N1 swine flu will put more people at risk for heart attacks.  They urged those most prone, especially those with heart disease and diabetes, to get a seasonal flu shot and an H1N1 flu shot which may reduce the chance of getting the flu and thereby lower the risk for a heart attack.

In thre United States someone has a heart attack every 34 seconds and 785,000 individuals will have a new coronary attack this year according to data published by the American Association for Critical Illness Insurance, an industry trade group.

Medical experts note that influenza – or the flu – is most concerning because of its secondary complications.  They note that death or hospitalization isn’t because of the influenza but rather it’s because influenza puts you in a weakened state and is a stress on the system.  The British researchers noted that the flu virus may have a negative effect directly on the heart.

To determine the risk of heart attack among those with flu, researchers at the UCL Centre for Infectious Disease Epidemiology in London, reviewed nearly 40 studies conducted between 1932 and 2008.  The studies showed an increase in deaths from heart disease and more heart attacks during flu season.

Excess deaths because of heart disease averaged 35 percent to 50 percent, according to the report in the October issue of The Lancet Infectious Diseases.  The studies also showed that getting a flu shot reduced the risk of dying from heart disease or suffering a heart attack.

Guidelines from the American Heart Association and American College of Cardiology strongly recommend that all individuals with cardiovascular disease receive annual influenza vaccination.

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