Exposure to Extreme Temperatures, Pollution Linked to MI Death

MONDAY, July 24, 2023 (HealthDay News) -- Exposure to extreme temperature events (ETEs) and fine particulate matter (PM2.5) is associated with myocardial infarction (MI) mortality, according to a study published in the July 25 issue of Circulation.
Ruijun Xu, M.D., from Sun Yat-sen University in Guangzhou, China, and colleagues conducted a case-crossover study of 202,678 MI deaths in Jiangsu province, China, from 2015 to 2020 to examine the association of exposure to ETEs and PM2.5 with MI mortality.
The researchers found that the odds ratio of MI mortality associated with heat waves and cold spells ranged from 1.18 to 1.74 and 1.04 to 1.12, respectively, using different ETE definitions. A significant association was seen for lag 01-day exposure to PM2.5 with increased odds of MI mortality, which was attenuated at higher exposures. A significant synergistic interaction was seen for heat wave and PM2.5 on MI mortality, which was higher for heat wave with greater intensities and longer durations. Up to 2.8 percent of the MI deaths were attributable to ETE and PM2.5 exposure at levels exceeding the interim target 3 value of the World Health Organization air quality guidelines (37.5 µg/m3). Women and older adults were more vulnerable to ETEs and PM2.5; there was no variation in the interactive effects of ETEs or PM2.5 on MI mortality across sex, age, or socioeconomic status.
"Our findings provide crucial evidence that mitigating exposure to ETEs and PM2.5 may be useful to prevent premature deaths from MI and highlight great public health significance to take particulate pollution into consideration when providing ETE warning services to the public," the authors write.
Abstract/Full Text (subscription or payment may be required)
Editorial (subscription or payment may be required)
Related Posts
2019 to 2020 Saw Decrease in Life Expectancy in All States, D.C.
TUESDAY, Aug. 23, 2022 (HealthDay News) -- From 2019 to 2020, there was a...
Extirpan un cáncer de piel del pecho del Presidente Biden, que no necesita más tratamiento
LUNES, 6 de marzo de 2023 (HealthDay News) -- Se determinó que una lesión que se...
Risk for Intracerebral Hemorrhage May Be Transmissible Via Blood Transfusion
MONDAY, Sept. 18, 2023 (HealthDay News) -- The risk for spontaneous...
Low Risk Seen for Health Care-Linked Monkeypox Transmission
MONDAY, July 11, 2022 (HealthDay News) -- Health care-associated transmission of...