Flu may play part in plaque-rupturing heart attacks – AHA

Getting a flu vaccine can reduce the risk of a common type of heart attack in people 60 and older, according to new research that suggests the virus plays a role in rupturing plaque.

In a study published Thursday in the Journal of the American Heart Association, researchers in Spain used data from five consecutive flu seasons and zeroed in on 8,240 people who had Type 1 heart attacks. They found flu and cold temperatures were each independently associated with an increased risk of that kind of heart attack, and flu shots could reduce that risk among people 60 and up.

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“Our results suggest influenza viruses play a major role in plaque rupture,” said study author Dr. J Alberto García-Lledó, head of cardiology at Hospital Universitario Príncipe de Asturias in Madrid. “The study reinforces the need to conduct prevention campaigns during cold waves and influenza seasons. The most important prevention tool we have is influenza vaccination.”

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