Air pollution has long been associated with various health risks, including cardiovascular and respiratory diseases. A recent study has now found a new link between long-term exposure to air pollution and an increased risk of blood clots in deep veins.
The study, published in the journal Blood, followed 6,651 U.S. adults over a period of 17 years. Participants living in major metropolitan areas were monitored for their exposure to different types of air pollutants. The researchers found that those with greater exposure to air pollution had a higher risk of developing blood clots in deep veins, also known as venous thromboembolism (VTE).
VTE encompasses conditions such as deep vein thrombosis and pulmonary embolism, which can have serious consequences if left untreated. The study revealed that participants exposed to tiny air pollution particles, nitrogen oxides, and nitrogen dioxide had an increased risk of VTE ranging from 39% to over 174%.
The researchers collected air pollution data through extensive monitoring and compared the levels of exposure between those with the highest and lowest exposure. They also controlled for variables such as age, tobacco exposure, and underlying health conditions to ensure the validity of their findings.
The implications of this study are significant, as VTE affects a large number of Americans each year. While many cases are associated with surgery or other factors, the link to air pollution adds a new dimension to our understanding of the condition.
The research was conducted as part of the Multi-Ethnic Study of Atherosclerosis (MESA) and adds to the growing body of evidence linking air pollution to various health risks. As we continue to grapple with the consequences of environmental pollution, studies like these highlight the urgent need for measures to reduce air pollution and protect public health.
For more information on the study, you can refer to the published article in Blood titled “Air pollution is associated with increased risk of venous thromboembolism: The Multi-Ethnic Study of Atherosclerosis.” The research was conducted by Lutsey et al. and can be accessed through the DOI: 10.1182/blood.2024026399.
This research was provided by the NIH/National Heart, Lung, and Blood Institute, underscoring the importance of ongoing research in understanding the impact of air pollution on human health. As we strive to create a healthier environment for future generations, studies like these serve as a reminder of the complex interplay between our environment and our well-being.