Abstract
Cardiac thrombus in patients with atrial fibrillation (AF) is most commonly found in the left atrial appendage (LAA). The incidence of LAA thrombus ranges from 1.2% to 22.6%, with the vast variation in incidence attributed to the patient’s condition. The effective rate of anticoagulation for thrombus dissolution therapy is only 50%–60%, and long-term anticoagulation treatment increases the risk of bleeding. Direct percutaneous LAA closure in AF patients with LAA thrombus in a suitable location is another alternative treatment option. LAA resection with cardiac surgery is also an effective treatment. This review presents the development of the incidence, diagnosis, and treatment of thrombus in LAA.
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