ATRIA Stroke Risk Score

Age

years

Prior ischemic stroke or TIA

Female sex

Diabetes mellitus

Congestive heart failure

Hypertension

Proteinuria

eGFR <45 mL/min/1.73m^2 or end-stage renal disease

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When to use

Estimating ischemic stroke risk in atrial fibrillation to inform anticoagulation decisions.

Formula

Age/prior-stroke points (no prior stroke: <65=0, 65-74=3, 75-84=5, >=85=6; with prior stroke: <65=8, 65-74=7, 75-84=7, >=85=9) plus 1 point each for female sex, diabetes, heart failure, hypertension, proteinuria, and eGFR<45/ESRD. Score 0-5 = low risk, 6 = intermediate, 7-15 = high risk.

References

Singer DE, Chang Y, Borowsky LH, et al. A new risk scheme to predict ischemic stroke and other thromboembolism in atrial fibrillation: the ATRIA Study Stroke Risk Score. J Am Heart Assoc. 2013;2(3):e000250.