Brilliant: The Pollution Of The Air Pollutants
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The Pollution Of The Air Pollutants Video
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Various causes of air pollution
Previous studies have suggested an increased risk of ischemic heart disease related to air pollution. This study aimed to explore both Poolutants short-term and long-term effects of air pollutants on the risk of ischemic heart disease after adjusting for meteorological factors. Overall, participants with ischemic heart disease and control participants were analyzed.
Subgroup analyses were performed according to age, sex, income, and region of residence. One-month exposure to SO 2 was related to 1. Ischemic heart disease is a fatal disease with high morbidity and mortality. The prevalence increased from the early twentieth century to the s, likely due to the increase in smoking and high fat intake, which promote the development of coronary atherosclerosis 1. Although the prevalence and mortality of ischemic heart disease have decreased, it is still one of the leading causes of mortality worldwide 23.
Introduction
Atherosclerotic and calcified plaques in coronary arteries have been described as the main pathologies of ischemic heart disease 4. Inflammation in the cardiovascular system has been suggested to cause these changes in coronary vessels and to be linked with systemic inflammatory diseases 5. Although early diagnosis and intervention increase the survival rate of ischemic The Pollution Of The Air Pollutants disease, the primary prevention of ischemic heart disease might be most effective at The Pollution Of The Air Pollutants disease burden.
Several modifiable risk factors have been reported, including the lifestyle factors of obesity, alcohol consumption, and tobacco smoking 678. In addition to these lifestyle factors, which are largely dependent on individuals, an accumulating number of studies has documented that environmental factors, including toxic compounds, could be modifiable factors to prevent the risk of ischemic heart disease at the social level 9.
Many previous epidemiologic studies have described an increased risk of ischemic heart disease related to air pollution 10Pollutanrs1213141516particularly long-term exposure to air pollution 11 On the other hand, the effect of short-term exposure to air pollution has also been suggested, with some conflicting findings 10 However, a time-series study demonstrated that increased exposure to sulfur dioxide SO 2but not PM 2. The heterogeneous study design, regional and ethnic differences and types of Polllution pollutants might have contributed to these controversial results.
Air pollution
Few studies have reported a wide range of air pollution exposure periods from short-term to long-term exposure. Moreover, when exploring the effect of air pollution, meteorological factors should be concurrently considered because the concentration and composition of air pollutants might be influenced by these factors, and the risk of cardiovascular disease could be associated with meteorological factors, such as ambient temperature For instance, the solubility of air pollutants is increased at lower temperatures, and the photolysis reaction could change the composition of air pollutants.
Therefore, this study analyzed the effect of air pollutants on ischemic heart disease according to exposure periods prior to the development of ischemic heart disease. To minimize the confounding effects of meteorological factors, they The Pollution Of The Air Pollutants concurrently analyzed for their association with ischemic heart disease.
This study was approved by the Ethics Committee of Hallym University I and was exempt from requiring informed consent All procedures were followed in accordance with the relevant guidelines. The control participants were matched for age, sex, income, region of residence, and index date The index date of ischemic heart disease participants was set as the time of diagnosis of ischemic heart disease 2021 Collectively, ischemic heart disease participants were matched with control participants Fig.]
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