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DAPT score
The benefits of extended DAPT in patients
with a score ≥ 2 may outweigh the risks
Risk Factor Score
Age ≥ 75 years -2
Age 65 - <75 years -1
Age < 65 0
Cigarette smoking 1
Diabetes 1
MI at presentation 1
Prior PCI or prior MI 1
Paclitaxel-eluting stent 1
Stent diameter < 3 mm 1
CHF or LVEF < 30% 2
Vein graft stent 2




Factors associated with increased bleeding risk
History of prior bleeding
Oral anticoagulant therapy
(See triple therapy above
)
Female sex
Advanced age (> 65 years)
Low body weight
Chronic kidney disease
Diabetes
Anemia
Chronic steroid or NSAID therapy




Factors associated with increased ischemic risk
Advanced age
Acute coronary syndrome presentation
Multiple prior myocardial infarctions
Extensive coronary artery disease
Chronic kidney disease
Diabetes
Factors associated with increased risk of stent thrombosis
Acute coronary syndrome presentation
Diabetes
Left ventricular ejection fraction < 40%
First-generation DES
Stent undersizing
Stent underdeployment
Small stent diameter
Greater stent length
Bifurcation stents
In-stent restenosis