Treatment of Left Ventricular Thrombus With Direct Oral Anticoagulants: A Retrospective Observational Study

Raviteja R Guddeti1, Muhammad Anwar2, Ryan W Walters3

  • 1Division of Cardiovascular Diseases.

Insights

Direct oral anticoagulants (DOACs) and vitamin K antagonists (VKAs) showed similar safety and efficacy for treating left ventricular thrombus. Both treatments resulted in comparable rates of stroke, bleeding, and thrombus resolution in this study.

Area of Science:

  • Cardiology
  • Pharmacology
  • Clinical Medicine

Background:

  • Limited data exists on the effectiveness of direct oral anticoagulants (DOACs) for left ventricular thrombus (LVT).
  • Vitamin K antagonists (VKAs) are currently the standard oral anticoagulant treatment for LVT.
  • This study investigates the safety and efficacy of DOACs compared to VKAs in LVT patients.

Purpose of the Study:

  • To compare the safety and efficacy of DOACs versus VKAs in patients with newly diagnosed left ventricular thrombus.
  • To evaluate outcomes including ischemic stroke, bleeding events, and echocardiographic resolution of LVT.

Main Methods:

  • Retrospective study of 99 patients diagnosed with LVT between January 2012 and March 2019.
  • Patients were divided into two groups: VKA (n=80) and DOAC (n=19).
  • Outcomes were compared over a 1-year follow-up period, including stroke, bleeding, and LVT resolution via echocardiogram.

Main Results:

  • No strokes occurred in the DOAC group, compared to 2 in the VKA group (P=0.49).
  • Bleeding events were similar between groups (1 in DOAC, 4 in VKA; P=0.96).
  • Left ventricular thrombus resolution rates were comparable: 80% for DOACs and 81% for VKAs (P=0.9).

Conclusions:

  • DOACs and VKAs demonstrate similar rates of stroke and bleeding in patients with left ventricular thrombus.
  • These findings suggest DOACs may be a viable alternative to VKAs for LVT treatment.
  • Further confirmation through randomized clinical trials is warranted to solidify these results.
Abstract

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