The impact of aspirin resistance on the long-term cardiovascular mortality in patients with non-ST segment elevation acute coronary syndromes.

Background: Aspirin resistance has been associated with an adverse long-term outcome in patients with atherosclerotic coronary artery disease, but more studies are needed.

Hypothesis: The aim of this study was to investigate the impact of aspirin resistance, assessed by the Platelet Function Analyzer-100 (PFA-100) (Dade Behring Inc., Deerfield, Ill.