DAPT score

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Synonyms and keywords: Dual Antiplatelet Therapy score

Overview

The DAPT score is a risk score derived from the DAPT (Dual Antiplatelet Therapy) Trial. It is a validated risk assessment tool designed to assess the risk-benefit of the dual antiplatelet therapy following PCI and insertion of a drug-eluting stent.

DAPT Score

The DAPT score is a risk score derived from the DAPT (Dual Antiplatelet Therapy) Trial. It is a validated risk assessment tool designed to assess the risk-benefit of the dual antiplatelet therapy following PCI and insertion of a drug-eluting stent.

DAPT Score Calculator

Shown below is the calculator for DAPT score (check all the boxes that apply):

DAPT Score Calculator
Variable		Score
Age	≥ 75 years old	-2
	65-74 years old	-1
	< 65 years old	0
Cigarette smoking		1
Diabetes mellitus		1
Prior MI or PCI		1
MI at presentation		1
Paclitaxel-eluting stent		1
Stent diameter < 3 mm		1
CHF or LVEF < 30%		2
Vein graft stent		2
DAPT Score:
Interpretation:

Interpretation

• Score <2: Higher risk of bleeding and a smaller reduction in ischemia, associated with an unfavorable benefit-to-risk ratio for prolonged DAPT
• Score ≥2: Smaller risk of bleeding and a greater reduction in ischemia, associated with a favorable benefit-to-risk ratio for prolonged DAPT

See also

• Dual antiplatelet therapy