Flu shots can protect patients with heartfailure from death mcmastereng TheLancet
The study showed that over the entire year, the influenza vaccine reduced pneumonia by 40% and hospitalization by 15% in patients with heart failure. During influenza season in the fall and winter, the influenza vaccine reduced deaths by 20% in these patients.
Data gathered during flu season also showed that the vaccine helped protect against cardiovascular complications, such as heart attacks and strokes. This collaborative clinical trial between McMaster and the Population Health Research Institute of McMaster and Hamilton Health Sciences, had investigators track more than 5,000 patients with heart failure in 10 countries across Africa, Asia and the Middle East, where few people have regular influenza vaccination. They received either an influenza vaccine or a placebo annually between June 2015 and November 2021.
While the flu has long been associated with an increased risk of life-threatening cardiovascular events, Loeb said that people with heart failure are already vulnerable to poor health outcomes. Patients with the condition have a 50% chance of dying within five years, while 20% are hospitalized for cardiovascular complications every year.
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