Thursday, July 29

Pollution makes a COVID-19 contagion more serious | Digital Trends Spanish

According to a new study presented at the European Congress of Clinical Microbiology and Infectious Diseases (ECCMID), long-term exposure to high levels of air pollutants, such as fine particulate matter (PM2.5), could have a significant influence on the results of people hospitalized for COVID-19.

Thus, those in charge of the study discovered that the greater the exposure, the greater the risk. Indeed, every small increase (ug / m3) in long-term exposure to PM2.5 is associated with more than three times the probability of receiving mechanical ventilation and twice the probability of staying in the ICU.

“Our study draws attention to the systemic inequalities that may have led to the marked differences in COVID-19 outcomes based on race and ethnicity,” says Dr. Anita Shallal of Detroit’s Henry Ford Hospital. USA.

“Communities of color are more likely to be located in areas closer to industrial pollution and to work in companies that expose them to air pollution.”

According to the researchers, air pollution, including potentially harmful pollutants and toxic gases emitted from industries, homes and vehicles, can increase inflammation and oxidative stress in the respiratory system, aggravating pre-existing lung diseases.

Thus, air pollution has been associated with worse health outcomes, including an increased risk of death from respiratory viruses, such as the flu.

To analyze the relationship that may exist between air pollution and the severity of COVID-19 infections, the researchers studied data from more than 2,000 infected patients admitted to four hospitals in the United States.

The managers collected data on where those affected lived, as well as information on local levels of contamination. They found that male, Afro-descendant, obese or long-term patients with more serious health problems were much more likely to be mechanically ventilated and admitted to the ICU.

The same was true of patients who lived in areas with higher levels of PM2.5 and lead paint. “The main conclusion is that living in a more polluted neighborhood is a risk factor independent of the severity of the COVID-19 disease,” adds Dr. Shallal.

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