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September 20, 2026Journal of the American College of CardiologyOpen Access

The Role of Aspirin in Cardiovascular Prevention

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Key result

Aspirin resistance leaves up to 60% of long-term patients at high risk for thrombotic events.

Design

Review article

Authors

AGArmen Yuri GasparyanTWTimothy WatsonGLGregory Y.H. Lip

Discussion

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Overview

Review reveals varied benefits of aspirin in cardiovascular prevention, highlighting the trade-off between ischemic event reduction and bleeding risk.

Key Points

  • To assess the therapeutic role, efficacy, and safety profile of aspirin therapy across primary and secondary cardiovascular disease prevention.
  • Synthesized findings from clinical trials and observational studies evaluating aspirin across distinct cardiovascular risk strata.
  • Assessed comparative rates of ischemic cardiovascular events against major hemorrhagic complications, particularly gastrointestinal and intracranial bleeding.
  • In secondary prevention, daily aspirin therapy consistently demonstrates substantial reductions in recurrent myocardial infarction, stroke, and cardiovascular mortality.
  • In primary prevention, modest absolute reductions in vascular events are frequently offset by significant increases in major bleeding events.

PICO

P
Population
Cardiovascular disease and aspirin resistance
E
Exposure / Comparator
Aspirin

Limitations

  • Only a limited number of clinical studies have convincingly investigated the importance of aspirin resistance.
  • Few studies are of a sufficient scale, well designed, and prospective with standard aspirin doses.
  • Most studies do not sufficiently address noncompliance as a cause of apparent aspirin resistance.

Cite This Study

Gasparyan et al. (2008) conducted a review in Cardiovascular disease and aspirin resistance. Aspirin was evaluated. Aspirin resistance is estimated to affect 5.5% to 60% of patients receiving long-term therapy, leaving them at substantial risk for thrombotic events despite treatment.

synapsesocial.com/papers/6ab04d16cdc128587b47ec95https://doi.org/10.1016/j.jacc.2007.11.080
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