UK guidelines recommend a daily dose of aspirin as a "preventive" treatment in the diabetics as they are at a much higher risk of cardiovascular disease. However, a study published in the BMJ found no benefit from either aspirin or antioxodants in preventing heart attacks. It also increases the risk of internal bleeding.
The study invloved 1,276 adult patients with diabetes mellitus from 16 diabetic clinics in Scotland between November 1997 and July 2001. Participants were randomly assigned in four groups to receive the aspirin tablet + antioxidant capsule, or aspirin tablet + placebo capsule, or placebo tablet + antioxidant capsule or both a placebo tablet and a placebo capsule.
The findings show that in adults with diabetes and no symptoms of cardiovascular disease, there was no evidence that aspirin or antioxidants use prevented heart attacks, strokes, amputations or death. However, the drug was beneficial in people who already have a history of heart attack or stroke.
Experts said the study was "extremely important" because it confirms the concerns of aspirin use by the general population and it is worth revisiting the guidelines.
Source: Belch J, MacCuish A, Campbell I, et al. The prevention of progression of arterial disease and diabetes (POPADAD) trial: factorial randomised placebo controlled trial of aspirin and antioxidants in patients with diabetes and asymptomatic peripheral arterial disease. BMJ 2008; Published 16 October ( f/t via Athens)
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