Monday, November 29, 2021
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Taking flu shot may cut heart disease risk: Study

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New York | Monday, 2021 7:15:06 PM IST
Did you know that coming down with the flu can substantially increase the risk of a serious or even fatal cardiac event? US researchers suggest that taking annual flu vaccinations may cut heart disease risk.

It's well-known that the flu can lead to significant respiratory symptoms such as pneumonia, bronchitis and bacterial infection of the lungs. But the virus' effects on the heart have historically been harder to parse out.

Studies have showed that patients are six times more likely to experience a heart attack the week after influenza infection than they are at any point during the year prior or the year after the flu infection.

But a new review of studies published in the Journal of the American Heart Association, showed that not only is the vaccine effective at protecting the general population and the most vulnerable age groups (over 65 and under 2) from severe cases of the flu, but it's also protective against cardiovascular mortality as well, especially among the high-risk population.

Researchers from Houston Methodist, writing in the review, noted that adults who received the vaccine were 37 per cent less likely to be hospitalised for the flu and 82 per cent less likely to be admitted to the ICU because of it.

Vaccination was associated with a lower risk of cardiovascular events (2.9 per cent vs 4.7 per cent) if the patient got the flu. Among the highest-risk patients with more active coronary disease, vaccination was associated with considerably better outcomes.

The reason influenza stresses the heart and vascular system so much has to do with the body's inflammatory response to the infection, explained said lead author Dr Priyanka Bhugra, internal medicine specialist at Houston Methodist.

As a result of the demonstrated benefits conferred by influenza vaccination and the risks posed by flu infection among those with cardiovascular disease, the CDC and numerous other international societies strongly recommend annual influenza vaccination in patients with cardiovascular disease.

Clinicians should ensure high rates of influenza vaccination, especially in those with underlying chronic conditions, to protect against acute cardiovascular events associated with influenza, Bhugra said.

--IANS rvt/ksk/

( 363 Words)

2021-10-18-13:10:06 (IANS)

 
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