HAS-BLED

Risk for major bleeding in AF

Scoring table

Hypertension (1 point)
Abnormal renal/or and liver function (1 point each)
Stroke (1 point)
Bleeding (1 point)
Labile INRs (1 point)
Elderly (1 point)
Drugs and/or alcohol (1 point each)

Interpretation

The risk of (spontaneous) major bleeding (intracranial, hospitalization, hemoglobin decrease . 2 g/L, and/or transfusion) within1 year in patients with atrial fibrillation enrolled in the Euro Heart Survey, expressed as bleeds per 100 patient years:
  • score 0: 1.13
  • score 1: 1.02
  • score 2: 1.88
  • score 3: 3.74
  • score 4: 8.70
  • score 5: 12.50
  • score 6-9: insufficient data to quantify risk
  • any score (average): 1,56

    • Reference

    Pisters R, Lane DA, Nieuwlaat R, de Vos CB, Crijns HJGM, Lip GYH. A novel user-friendly score (HAS-BLED) to assess 1-year risk of major bleeding in patients with atrial fibrillation: the Euro Heart Survey. Chest. 2010 Nov. 1;138(5):1093-1100.