According to a recent study published in Circulation, the journal of the American Heart Association (AHA), some categories of people may have a twice-as-high risk of dying from a heart attack amid heat waves and high levels of fine particle pollution.
Over 202,000 heart attacks that took place in the Chinese province of Jiangsu between 2015 and 2020 were the subject of a detailed analysis by researchers.
They discovered a relationship between “extreme heat, extreme cold, or high levels of fine particulate matter air pollution” and an increased risk of cardiac-related death.
(Particles with a diameter of 2.5 microns or less are referred to as “fine particulate matter”). According to an AHA press release, Jiangsu was chosen as the study’s primary area because of the region’s diverse climate and high levels of fine particulate pollution.
The daily heat index, which measures a mix of heat and humidity, was utilized by the researchers to identify when a heat wave was taking place.
According to the study’s findings, the risk of mortality was twice as high during four-day heat waves, with fine particulate pollution exceeding 37.5 micrograms per cubic meter.
The danger was greatest for older people and women. The average age of mortality among people who had heart attacks was 77.6, and 52% of them were over the age of 80.
“Extreme temperature events are becoming more frequent, longer, and more intense, and their adverse health effects have drawn growing concern,” said senior author Yuewei Liu, M.D., PhD, an associate professor of epidemiology at Sun Yat-sen University in Guangzhou, China.
As jets taxi at Sky Harbor International Airport at dusk, a sign shows an unofficial temperature.
Over 202,000 heart attacks that took place in the Chinese province of Jiangsu between 2015 and 2020 were the subject of a detailed analysis by researchers.
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