Key result
Treatment with dabigatran 150 mg twice daily for 6 weeks resulted in complete dissolution of a large left atrial appendage thrombus in a 54-year-old man with atrial fibrillation.
Why the study?
Does dabigatran dissolve left atrial appendage thrombus in a patient with atrial fibrillation?
Case Report (n=1)
No
Does dabigatran dissolve left atrial appendage thrombus in a patient with atrial fibrillation?
Dabigatran 150 mg twice daily successfully dissolved a left atrial appendage thrombus over 6 weeks in a patient with atrial fibrillation, suggesting a potential role for NOACs in treating intra-cardiac thrombi.
Hypothesis-generating for NOAC use in LAA thrombus; should not yet change practice in atrial fibrillation.
Until recently, warfarin has been the main stay of treatment for thrombo-prophylaxis in atrial fibrillation (AF) patients. Indeed, with the emergence of new novel oral anticoagulants (NOACs) unsurprisingly there has been a noteworthy switch in the choice of antithrombotic treatment of AF patients. Nevertheless, still warfarin appears to be the drug of choice in patients with intra-cardiac thrombus (either left atrial thrombus or left ventricular mural thrombus). We report, a case of middle aged patient with recent onset atrial fibrillation and left atrial appendage thrombus with subsequent complete dissolution of thrombus following dabigatran treatment for 6-weeks. Despite, the promising results from limited case reports with NOACs, its efficacy and safety in the treatment of intra-cardiac thrombus needs to be evaluated in large randomised controlled trials.
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Krishnamoorthy et al. (2016) conducted a case report in Atrial fibrillation with left atrial appendage thrombus (n=1). Dabigatran was evaluated on Dissolution of left atrial appendage thrombus. Treatment with dabigatran 150 mg twice daily for 6 weeks resulted in complete dissolution of a large left atrial appendage thrombus in a 54-year-old man with atrial fibrillation.
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