The HAS-BLED is a therapeutic bleeding risk stratification score for those on oral anticoagulants in atrial fibrillation (1).
HAS-BLED score for bleeding risk on oral anticoagulation in atrial fibrillation
|Feature||Score if present|
|Hypertension (Systolic >= 160mmHg)||1|
|Abnormal renal function||1|
|Abnormal liver function||1|
|Age >= 65 years||1|
|Stroke in past||1|
|Taking other drugs as well||1|
|Alcohol intake at same time||1|
- score of 3 or more indicates increased one year bleed risk on anticoagulation
sufficient to justify caution or more regular review
- risk is for intracranial bleed, bleed requiring hospitalization or a haemoglobin drop > 2g/L or that needs transfusion.
- 1) Pisters R, Lane DA, Nieuwlaat R, de Vos CB, Crijns HJ, Lip GY. A novel user-friendly score (HAS-BLED) to assess one-year risk of major bleeding in atrial fibrillation patients: The Euro Heart Survey. Chest. 2010 Mar 18
Last edited 05/2018