HAS-BLED score
Cardiology
Also known as: HAS-BLED-Score · HAS-BLED skoru · HAS-BLED score (bleeding risk in atrial fibrillation)
What it is for
HAS-BLED score: bleeding-risk score for patients with atrial fibrillation who take or are being considered for anticoagulation. Each item scores 1 point; total 0-9:
Classification
| Category | Description |
|---|---|
| H | hypertension, uncontrolled (systolic blood pressure >160 mmHg): 1 point |
| A | abnormal renal function (dialysis, kidney transplant or serum creatinine about 200 µmol/L (2.26 mg/dL) or higher) and abnormal liver function (cirrhosis, or bilirubin >2 times the upper limit of normal with AST/ALT/alkaline phosphatase >3 times the upper limit of normal): 1 point each |
| S | prior stroke: 1 point |
| B | bleeding history or predisposition to bleeding: 1 point |
| L | labile international normalised ratio (INR) (unstable or high values, or time in therapeutic range <60%): 1 point |
| E | elderly, age over 65 years: 1 point |
| D | drugs (antiplatelet agents or non-steroidal anti-inflammatory drugs) and alcohol (8 or more drinks a week): 1 point each |
| Interpretation | a score of 3 or more is classed as high bleeding risk; 0-2 as lower risk. |
Source
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;138:1093-1100 (Pisters R et al.)
PMID: 20299623
- Edition
- Pisters et al. 2010 (Euro Heart Survey); unchanged in current use
- Checked on
Summary of the published classification in our own words. Not a substitute for the original publication.
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