The use of medicines to fight cardiovascular disease has been a primary focus of research in this area for the past several decades,// as combinations of interventions and medicinal therapy have gradually begun to increase long-term survival rates.

Two studies has looked at the measurable impact of the use of aspirin and other maintenance therapies, and one demonstrates that lower doses of therapies may prove to be just as beneficial while also lowering side effects.

"Cardiovascular disease is the leading cause of death today, and the major focus of research is to find better ways to help these patients through prevention, immediate intervention and long-term treatment regimens," said Douglas P. Zipes, M.D., Distinguished Professor of the Indiana University School of Medicine. "As we continue to discover the benefits of these therapies, we expect to see continued and measurable improvements in overall survival and quality of life."

After patients with acute coronary syndromes (ACS, a group of symptoms related to acute ischemia, or chest pain related to arterial damage) undergo percutaneous coronary interventions (PCI, including stenting), a significant concern among cardiologists is the risk of major internal bleeding. Aspirin (ASA) acts as a blood thinner to prevent clotting complications, but high levels can cause potentially serious bleeding. While PCI trials have traditionally used high-dose ASA (more than 200 mg) in combination with other medicines to prevent thrombosis and ischemic events, a sub-analysis from a clinical trial presented by researchers at McMaster University in Hamilton, Ontario suggests that low-dose aspirin may be just as effective as high doses to prevent thrombosis while reducing the risk of major bleeding in patients who have undergone PCI.

As a sub-analysis of the PCI-CURE study, researchers compared the safety and efficacy of varying doses of aspirin: low (less than 100 mg), intermediate
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