DAPT Score
Estimates benefit and harm of continuing dual antiplatelet therapy beyond one year after stenting.
When to use
Stable adults after coronary stenting, assessing dual antiplatelet therapy duration.
Pearls and pitfalls
- Age 75 or older subtracts 2 points; age 65 to 74 subtracts 1 point.
- Heart failure, ejection fraction below 30% and vein graft stenting score 2 points each.
- The score was derived for decisions after one year of DAPT, not for the initial phase.
- Bleeding risk, stent thrombosis and patient preference remain essential.
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Formula
Add age (0, -1 or -2), smoking, diabetes, MI at presentation, prior PCI or MI, stent below 3 mm, paclitaxel stent, heart failure or low ejection fraction (2 points) and vein graft stent (2 points).
Evidence
Prediction rule derived and validated in dual antiplatelet therapy trials after coronary intervention.
References
- Yeh RW, Secemsky EA, Kereiakes DJ, et al. Development and validation of a prediction rule for benefit and harm of dual antiplatelet therapy beyond 1 year after percutaneous coronary intervention. JAMA. 2016;315(16):1735-1749. doi:10.1001/jama.2016.3775
Frequently asked questions
What is DAPT Score?
Estimates benefit and harm of continuing dual antiplatelet therapy beyond one year after stenting. Stable adults after coronary stenting, assessing dual antiplatelet therapy duration.
How is the result calculated?
Add age (0, -1 or -2), smoking, diabetes, MI at presentation, prior PCI or MI, stent below 3 mm, paclitaxel stent, heart failure or low ejection fraction (2 points) and vein graft stent (2 points).
How should the result be interpreted?
Prediction rule derived and validated in dual antiplatelet therapy trials after coronary intervention.
What are the sources?
Yeh RW, Secemsky EA, Kereiakes DJ, et al. Development and validation of a prediction rule for benefit and harm of dual antiplatelet therapy beyond 1 year after percutaneous coronary intervention. JAMA. 2016;315(16):1735-1749.