Abstract
Background
Direct oral anticoagulants (DOACs) have a well-established role in the treatment of deep vein thrombosis and pulmonary embolism and in the reduction of thromboembolism in nonvalvular atrial fibrillation. However, limited evidence supports their role in patients with left ventricular thrombi.
Methods
The PubMed, EMBASE, and Cochrane databases were searched for relevant articles published from inception to 1 August 2020. We included studies evaluating the effect of DOACs versus vitamin K antagonists (VKAs) in patients with left ventricular thrombi. The primary outcome was thrombus resolution, and the secondary outcomes were major bleeding and stroke or systemic embolization (SSE).
Results
Five retrospective observational studies were included, with a total of 857 patients. VKAs and DOACs had a similar rate of thrombus resolution (odds ratio [OR] 0.97; 95% confidence interval [CI] 0.57–1.65; p = 0.90). Our analysis also demonstrated a similar rate of major bleeding (OR 0.62; 95% CI 0.27–1.44; p = 0.27) and SSE (OR 1.86; 95% CI 0.99–3.50; p = 0.05) between the two treatment groups.
Conclusion
In patients with left ventricular thrombi, DOACs and VKAs are associated with similar rates of thrombus resolution, major bleeding, and SSE.
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Abdullah Al-abcha, Khader Herzallah, Yehia Saleh, Mark Mujer, Ola Abdelkarim, Mahmoud Abdelnabi, Abdallah Almaghraby, and George S. Abela have no potential conflicts of interest that might be relevant to the contents of this systematic review.
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Al-abcha, A., Herzallah, K., Saleh, Y. et al. The Role of Direct Oral Anticoagulants Versus Vitamin K Antagonists in the Treatment of Left Ventricular Thrombi: A Meta-Analysis and Systematic Review. Am J Cardiovasc Drugs 21, 435–441 (2021). https://doi.org/10.1007/s40256-020-00458-2
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DOI: https://doi.org/10.1007/s40256-020-00458-2