HAS-BLED Score for Major Bleeding Risk

If high risk for bleeding: regular check-ups after start of oral anticoagulation

History of Hypertension?

Renal Disease?

Liver Disease?

History of Stroke?

Prior Major Bleeding/Predisposed to bleeding?

Labile INR?

Older than 65 years old?

Medications that predispose to bleeding?

History of alcohol or drug usage?

References

Yi-Hsin Chan. Performance of DOAC and HAS-BLED scores in predicting major bleeding in Asian patients with non-valvular atrial fibrillation receiving direct oral anticoagulants.. Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology, 2025
Isabelle C Van Gelder. 2024 ESC Guidelines for the management of atrial fibrillation developed in collaboration with the European Association for Cardio-Thoracic Surgery (EACTS).. European heart journal, 2024
José A Joglar. 2023 ACC/AHA/ACCP/HRS Guideline for the Diagnosis and Management of Atrial Fibrillation: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines.. Circulation, 2023
Marco Proietti. Comparison of HAS-BLED and ORBIT bleeding risk scores in atrial fibrillation patients treated with non-vitamin K antagonist oral anticoagulants: a report from the ESC-EHRA EORP-AF General Long-Term Registry. European heart journal. Quality of care & clinical outcomes, 2021
Guodong Chang. Accuracy of HAS-BLED and other bleeding risk assessment tools in predicting major bleeding events in atrial fibrillation: A network meta-analysis.. Journal of thrombosis and haemostasis : JTH, 2020
T. Chao. Continuation or discontinuation of oral anticoagulants after an increase in HAS-BLED scores and the risks of clinical outcomes in patients with atrial fibrillation. a nationwide cohort study. European Heart Journal, 2020
D. Berg. Performance of the ABC Scores for Assessing the Risk of Stroke or Systemic Embolism and Bleeding in Patients With Atrial Fibrillation in ENGAGE AF-TIMI 48. Circulation, 2019
V. Roldán. The HAS-BLED score has better prediction accuracy for major bleeding than CHADS2 or CHA2DS2-VASc scores in anticoagulated patients with atrial fibrillation.. Journal of the American College of Cardiology, 2013
G. Lip. Assessing the Risk of Bleeding in Patients With Atrial Fibrillation: The Loire Valley Atrial Fibrillation Project. Circulation: Arrhythmia and Electrophysiology, 2012
G. Lip. Comparative validation of a novel risk score for predicting bleeding risk in anticoagulated patients with atrial fibrillation: the HAS-BLED (Hypertension, Abnormal Renal/Liver Function, Stroke, Bleeding History or Predisposition, Labile INR, Elderly, Drugs/Alcohol Concomitantly) score.. Journal of the American College of Cardiology, 2011
R. Pisters. 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