Aspirin improves survival in women with heart disease

March 16th, 2009 - 1:13 pm ICT by IANS  

Washington, March 16 (IANS) Researchers have come by additional evidence that aspirin seems to reduce the risk of death in women who have heart disease or have had a stroke.
The new study also provides fresh insight into aspirin dosing for women, suggesting that a lower dose of aspirin (81 mg) is as effective as a higher dose (325 mg).

This is good news for women who might be concerned with internal bleeding, a well-known risk of aspirin that may be more likely with higher doses of aspirin, according to other studies.

However, randomised clinical trials are needed to determine the optimal doses of aspirin in women with cardiovascular disease.

Scientific evidence indicates that, in general, aspirin lowers the risk of death and incidence of heart attack and stroke in patients with a history of cardiovascular disease; however, the benefits of aspirin in women with stable cardiovascular disease in particular are unknown.

In this study, researchers analysed data from 8,928 postmenopausal women who had previously had a heart attack, stroke or transient aeschemic attack (TIA, or mini-stroke), angina, or angioplasty or coronary bypass surgery to improve blood flow. Participants were followed for an average of 6.5 years.

Compared to those who did not report taking aspirin, regular aspirin users had a 25 percent lower risk of death from cardiovascular disease and a 14 percent lower risk of death from any cause.

Overall, aspirin use did not significantly decrease the risk of heart attack, stroke, or other cardiovascular events, except among women in their seventies. There were no significant differences in death rates or other outcomes between women taking 81 mg of aspirin compared to those taking 325 mg.

The study appeared in the March issue of Circulation: Cardiovascular Quality and Outcomes.

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