Table 3.
CHADS2378 | CHA2DS2-VASc379 |
Scoring
system Congestive heart failure–1 point Hypertension–1 point Age ≥75 y–1 point Diabetes mellitus–1 point Stroke/TIA–2 points Risk scores range: 0–6 points Levels of risk for thromboembolic stroke Low risk for stroke=0 points Moderate risk=1 point High risk ≥2 points |
Scoring
system Congestive heart failure–1 point Hypertension–1 point Age 65–74 y–1 point ≥75 y–2 points Diabetes mellitus–1 point Stroke/TIA–2 points Vascular disease (eg, peripheral artery disease, myocardial infarction, aortic plaque)–1 point Female sex–1 point Risk scores range: 0–9 points Levels of risk for thromboembolic stroke Low risk=0 points Moderate risk=1 point High risk ≥2 points |
ACCP treatment guidelines based on estimated risk for thromboembolic stroke380 | HAS-BLED381 |
Low risk: no
therapy Moderate risk: OAC High risk: OAC |
Hypertension–1
point Abnormal renal function–1 point Abnormal liver function–1 point Prior stroke–1 point Prior major bleeding or bleeding predisposition–1 point INR in therapeutic range <60% of time–1 point Age >65 y–1 point Use of antiplatelet or nonsteroidal drugs–1 point Excessive alcohol use–1 point Risk scores range: 0–9 points Score >2 associated with clinically relevant and major bleeding.382 |
ACCP indicates American College of Chest Physicians; INR, international normalized ratio; OAC, oral anticoagulation; and TIA, transient ischemic attack.