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• W3100606543 abstract "Introduction: Left ventricular thrombus (LVT) is associated with a higher risk of ischemic stroke and peripheral embolization. Societal guidelines recommend the use of warfarin, with direct oral anticoagulants (DOACs) only for patients unable to tolerate warfarin. Data on natural history and thrombus resolution with anticoagulation (AC), especially with DOACs is scarce. We studied the natural history of LVT with AC with emphasis on comparing warfarin and DOACs use. Methods: This is a single center, retrospective study conducted in an academic medical center. We identified patients (echocardiogram, CT or MRI) with a confirmed LVT study who were followed at our center. Chart review was conducted to collect clinical information at presentation and on follow up. Type and duration of anticoagulation, INR levels and clinical outcomes (bleeding, ischemic stroke or peripheral embolization, mortality) were recorded. Thrombus resolution on follow up imaging was also recorded. Results: LVT was confirmed in a total of 110 patients. Mean age was 59±14 years. 79% were men. Underlying etiology was chronic ischemic cardiomyopathy in 58%, non-ischemic cardiomyopathy in 23%. AC was started in 96 (87%) patients (in remaining patients AC was thought to be contraindicated). Of those on long-term AC, 60 patients (63%) were treated with warfarin, 3 patients (3%) with enoxaparin and 32 patients (33%) with a DOACs. At one year follow up, 11 patients (10%) had a stroke while on any AC. Two of these patients had hemorrhagic stroke (both on warfarin) and 9 patients had ischemic stroke. Of those with ischemic stroke 7 were on warfarin and 2 patients on DOACs had ischemic strokes. Of those with ischemic stroke on warfarin, 71% had subtherapeutic INR. The 1-year risk of any stroke was 15% in warfarin group (12% risk of ischemic stroke) compared to 6% in the DOACs group (p= 0.33). Total of 55 (57%) of patient started on AC had resolution of thrombus. 37 (63%) patients on warfarin and 18 (53%) on DOACs had resolution of thrombus (p= 0.85). Conclusions: One year risk of stroke with LVT is high (10%) even with AC. Most patients with ischemic stroke on warfarin had subtherapeutic INR. There was no statistical difference in stroke risk or rate of thrombus resolution between warfarin and DOACs treated patients." @default.
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• W3100606543 date "2020-11-17" @default.
• W3100606543 modified "2023-10-16" @default.
• W3100606543 title "Abstract 15803: Effectiveness of Direct Oral Anticoagulant versus Warfarin in the Treatment of Left Ventricular Thrombus" @default.
• W3100606543 doi "https://doi.org/10.1161/circ.142.suppl_3.15803" @default.
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