CHADS2-VASc and HAS-BLED are scoring systems used in the context of atrial fibrillation and anticoagulation therapy.
The CHADS2-VASc score is used to assess the risk of stroke in individuals with atrial fibrillation. It takes into account factors such as Congestive heart failure, Hypertension, Age, Diabetes, previous Stroke or transient ischemic attack (TIA), Vascular disease (prior myocardial infarction, peripheral artery disease, or aortic plaque), and Sex category. The score helps to determine the need for anticoagulation therapy.
The HAS-BLED score, on the other hand, is used to assess the risk of major bleeding in patients being treated with anticoagulants. The acronym stands for Hypertension, Abnormal renal/liver function, Stroke, Bleeding history or predisposition, Labile International Normalized Ratio (INR), Elderly (age >65), and Drugs/alcohol concomitantly. It helps to assess the risk of bleeding and is used to inform the management of anticoagulation therapy.
Both scoring systems aid healthcare providers in making informed decisions regarding the use of anticoagulants and the management of risk in patients with atrial fibrillation.