March 1, 2024

A brand new examine launched by the Shahid Beheshti College of Medical Sciences in Iran means that getting a flu shot may assist scale back an individual’s threat of getting a coronary heart assault.

The findings have been revealed this week in Scientific Experiences. 

The examine mentioned that in a meta-analysis of over 9,000 sufferers, flu pictures decreased the danger of a coronary heart assault by 26%. The meta-analysis additionally confirmed there was a 33% decrease threat of cardiovascular loss of life amongst these with a flu shot. 

The meta-analysis concerned 4,529 sufferers who acquired flu vaccine in contrast with 4,530 sufferers who acquired a placebo. They have been positioned into certainly one of 5 research. 

The authors of the examine mentioned this knowledge reveals that flu vaccines may very well be of specific significance for these with a historical past of heart problems.

“This discovering underscores the potential advantages of focusing on this high-risk group for vaccination,” the examine’s authors wrote. “Additional analysis is warranted to elucidate the exact mechanisms driving this affiliation and to discover the long-term affect of influenza vaccination on cardiovascular outcomes. Within the meantime, well being care suppliers and policymakers ought to take heed of those findings and think about prioritizing influenza vaccination for sufferers with current CVDs as a possible and probably life-saving safety measure.”

The examine’s authors gave a number of hypotheses as to why flu vaccines scale back the danger of coronary heart assault. The hypotheses embrace that flu vaccines scale back irritation attributable to influenza, forestall secondary infections and stabilize atherosclerotic plaques. 

Well being officers have mentioned getting vaccinated is particularly necessary for folks with power well being circumstances that put them at greater threat for flu-related problems.

As of Nov. 4, about 1 in 3 U.S. adults has gotten a flu vaccine this season, in line with the Facilities for Illness Management and Prevention. 

The CDC mentioned that in 2019-20, influenza vaccines prevented an estimated 7.5 million influenza sicknesses, 3.7 million influenza-associated medical visits, 105,000 influenza-associated hospitalizations, and 6,300 influenza-associated deaths.

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