For people who have experienced a heart attack or stroke, taking a daily aspirin has been shown to help prevent a second one. Yet, despite aspirin's low cost and its clear benefits in such scenarios, fewer than half of people worldwide who have had a heart attack or stroke take the medication, according to a new study led by researchers at Washington University School of Medicine in St. Louis and the University of Michigan. The study appears Aug. 22 in JAMA.
and stroke, is the leading cause of death globally. Multiple studies conducted in the 1970s and 1980s established that antiplatelet therapy—including aspirin—can reduce the risk of a second cardiovascular event, such as a second heart attack or stroke, by about one-quarter.has been recommended for this purpose. Daily aspirin therapy is also generally affordable. In the U.S., a monthly supply of baby aspirin can cost from $2 to $8, depending on the retailer and the amount purchased.
According to Yoo, the new study can't explain why aspirin is so underused, but there likely are multiple intersecting explanations, including varying accessibility to health care in general, inconsistent messaging surrounding use of the drug, and the fact that aspirin is not always available over-the-counter, requiring a prescription in some countries., only 16.
The researchers, including senior author David Flood, MD, an assistant professor in the Division of Hospital Medicine at the University of Michigan, analyzed data from nationally representative health surveys that were conducted in 51 low-, middle- and high-income countries. The surveys included questions about people's medical history of cardiovascular disease and on aspirin use. The study included 125,505 individuals, with 10,590 self-reporting a history of cardiovascular disease.
"We might expect that after 10 years there would be more widespread aspirin use, but things haven't really changed," Yoo said."This research deals with a disease process that affects many people, regardless of where you live. We have to remember that this could benefit a tremendous number of people."
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