Air pollution particles can increase the risk of sudden cardiac arrest

Scientists have found in a new study that fine particles suspended in air pollution in Singapore may have caused cardiac arrest in people who were not hospitalized and were living their normal lives. These results can be generalized for other countries.

Based on a study whose results were published in the Lancet Public Health journal, researchers from the Institute of Environmental Health from the National Environmental Agency and the Environmental Modeling and Monitoring Unit from the Clean Environment Group at the Duke-NUS School of Medicine tried to see if between Out-of-hospital cardiac arrests (OHCA) and the level of fine particles of air pollution is there a relationship or not.

Researchers with statistical analysis 18,131 Out-of-hospital cardiac arrest cases between July 1, 2010 and December 31, 2018 found that 492 the case on the day of this accident or two days before with polluted air and Particles smaller than 2.5 microns have faced This research also showed that three to five days after decontamination, the risk of cardiac arrest decreases, so the effect of this condition is relatively short-term.

Heart failure

Reducing air pollution can reduce the risk of cardiac arrest

The average density of particles smaller than 2.5 microns during the study was 18.44 micrograms per cubic meter, and a reduction of just one microgram could lead to an 8 percent reduction in the number of cardiac arrests. Also, the reduction of three micrograms of these particles could cause 30% reduction OHCA risk.

“These results show that trying to reduce the level of particles 2.5 micrograms or smaller and taking the necessary steps to protect the body from these particles can be effective in reducing the risk of sudden cardiac arrest in Singapore,” says Joel Ike, the senior researcher of this study. and reduce the pressure on the treatment department.”

He emphasizes that the results of this research in many cities of the world can be generalized Is. Other events such as dust and fires can also cause a sudden increase in particles smaller than 2.5 microns. At the end, Ike emphasized that their research was observational and may not indicate a direct cause and effect relationship.

It should be mentioned that yesterday, Iran’s Environmental Protection Organization announced in a report that air pollution has led to the death of 21,000 people in 27 cities of the country.

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