The Stroke Prevention in Atrial Fibrillation investigators identified factors predictive of thromboembolism in atrial fibrillation.
Patient selection: atrial fibrillation
Clinical predictors:
(1) recent congestive heart failure
(2) history of hypertension
(3) history of previous thromboembolism
|
Number of Clinical Predictors
|
Risk of Arterial Thromboembolism
|
|
0
|
2.5%
|
|
1
|
7.2%
|
|
2 or 3
|
17.6%
|
Echocardiographic predictors:
(1) left ventricular dysfunction
(2) enlargement of the left atrium
The echocardiographic predictors are useful in patients with none of the clinical predictors.
