Abstract: Receiving an annual flu vaccine reduces the danger of stroke, a brand new examine reviews.
Supply: AAN
Getting an annual flu shot could also be related to a decrease danger of stroke, in response to a examine printed within the on-line difficulty of Neurology.
“Research have proven that getting the flu will increase your danger of getting a stroke, however analysis continues to be being collected on whether or not getting the flu vaccine will help defend in opposition to a stroke,” mentioned examine writer Francisco J. de Abajo, MD, MPH, PhD, of the College of Alcalá in Madrid, Spain. “This observational examine means that those that have a flu shot have a decrease danger of stroke. To find out whether or not this is because of a protecting impact of the vaccine itself or to different elements, extra analysis is required.”
The examine checked out ischemic stroke, which is brought on by a blockage of blood movement to the mind and is the commonest kind of stroke.
For the examine, researchers checked out a well being care database in Spain and recognized individuals who had been not less than 40 years outdated and had a primary stroke over a 14-year interval. Every one that had a stroke was in comparison with 5 individuals of the identical age and intercourse. There have been 14,322 individuals who had a stroke and 71,610 individuals who didn’t have a stroke.
Then the researchers checked out whether or not individuals had acquired the influenza vaccine not less than 14 days earlier than the stroke or earlier than that very same date for many who didn’t have a stroke.
A complete of 41.4% of those that had a stroke had acquired the flu shot, in comparison with 40.5% of those that didn’t have a stroke. However the individuals who received the shot had been extra prone to be older and to produce other circumstances resembling hypertension and excessive ldl cholesterol that may make them extra prone to have a stroke.
As soon as researchers adjusted for these elements, they discovered that those that acquired a flu shot had been 12% much less prone to have a stroke than those that didn’t.
The researchers additionally checked out whether or not the pneumonia vaccine had any impact on the danger of stroke and located no protecting impact.
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“These outcomes are but one more reason for individuals to get their yearly flu shot, particularly if they’re at an elevated danger of stroke,” de Abajo mentioned. “To have the ability to cut back your danger of stroke by taking such a easy motion could be very compelling.”
For the reason that examine was observational, it doesn’t show that getting the flu shot reduces the danger of stroke. It solely reveals an affiliation. There may very well be different elements that weren’t measured that would have an effect on the danger of stroke.
Funding: The examine was supported by the Biomedical Analysis Basis of the Prince of Asturias College Hospital in Madrid and the Institute of Well being Carlos III in Madrid.
About this stroke analysis information
Creator: Natalie Conrad
Supply: AAN
Contact: Natalie Conrad – AAN
Picture: The picture is within the public area
Authentic Analysis: The findings will seem in Neurology
