Health Discoveries in General Health News

HEPA filters may improve cardiovascular health

January 24, 2011
A Canadian study indicates that the use of HEPA filters may reduce the risk of cardiovascular disease caused by indoor air pollution.

The researchers from Simon Fraser University in Burnaby, British Columbia, studied 45 adults who live in homes where wood-burning stoves are the main source of indoor pollution. After HEPA filters and air sampling devices were installed, participants recorded their activities and proximity to the pollution sources.

Blood and urine samples collected from the participants showed that the HEPA filters reduced levels of airborne particulates, which improved the blood vessel health and reduced blood markers associated with an increased risk of cardiovascular disease, according to the American Journal of Respiratory and Critical Care Medicine.

"HEPA filters are a potentially useful intervention since they are relatively inexpensive to purchase and operate and can effectively remove tiny particles that can be inhaled, to improve air quality inside homes where the majority of time is spent," said Ryan Allen, an assistant professor at Simon Fraser University.

In one of the clinical trials focused on heart health within the North Shore-LIJ Health System, researchers are evaluating proteins present in the blood during a heart attack where blood flow is diminished.
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