ATRIA Bleeding Risk Score Clinical Calculator and Pathways - Guideline Central

ATRIA Bleeding Risk Score

Determines bleeding risk for patients on warfarin.

Anemia

  • Hgb <13 g/dL (Male)
  • Hgb <12 g/dL (Female)

Severe Renal Disease

  • GFR <30 mL/min or dialysis-dependent

Age ≥ 75

Any Prior Hemorrhage Diagnosis

  • Ex: GI bleed, intracranial hemorrhage

Hypertension History

Interpretation

Source: Fang MC, Go AS, Chang Y, et al. A New Risk Scheme to Predict Warfarin-Associated Hemorrhage: The ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) Study. J Am Coll Cardiol. 2011;58(4):395-401. doi:10.1016/j.jacc.2011.03.031.
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