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Could a DOAC Replace Warfarin to Treat the Thrombotic Antiphospholipid Syndrome?

The thrombotic antiphospholipid syndrome (TAPS) is associated with atypical thromboembolic events and/or recurrent pregnancy loss. Patients with TAPS are at very high risk of recurrent thrombotic events and require indefinite therapy.  Warfarin therapy is very challenging to manage in this patient population and requires frequent monitoring.  Thus a direct oral anticoagulant would be a welcomed alternative to warfarin by many patients with TAPS.  But are they effective?

Guest Authors: Leslie Walters, PharmD, BCACP  and Jennifer Carie, PharmD, BCACP, BC-ADM

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Can VOYAGER Put PAD Patients Back on Their Feet?

Peripheral artery disease (PAD) impacts 8.5 million Americans age 40 years or older, often leading to acute limb ischemia, amputation, hospitalization, revascularization, major adverse cardiac events (MACE), and death. In addition to being at very high risk of MACE, more than 10% of PAD patients who had revascularization surgery are hospitalized for major adverse limb events, including acute limb ischemia leading to amputation. Could combination therapy, an antithrombotic regimen comprised of a direct oral anticoagulant and an antiplatelet agent, help prevent limb ischemia and cardiovascular (CV) events in these high-risk patients?

Guest Authors:  Navya Varshney, PharmD, BCPS and Rachel Lowe, PharmD, BCPS

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A Cause for a PAUSE: Evaluating a Standardized Perioperative DOAC Management Protocol

One in six patients with atrial fibrillation (AF), or an estimated six million patients worldwide, will require perioperative anticoagulant management this year.  Ambulatory care pharmacists commonly face the scenario where a patient taking a direct oral anticoagulant (DOAC) for AF requires an elective surgery or procedure. Best practices for periprocedural management of DOACs are unclear and current guidelines differ in their recommended approaches. Having a simple, systematic periprocedural DOAC management protocol would be helpful. But would a straightforward protocol that is easily understood by clinicians and patients be safe and effective? The PAUSE study investigators attempt to establish the standard of care.

Guest Authors:  Maggie Faraj, PharmD and Candice Garwood, PharmD, BCPS, BCACP

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Secondary Stroke Prevention in A-Fib: Do DOACs PROSPER in High-Risk Patients?

Several guidelines now recommend direct oral anticoagulants (DOACs) as the preferred anticoagulants for patients with non-valvular atrial fibrillation (a-fib). However, the landmark clinical trials focused largely on the primary prevention of stroke.  Moreover, real-world data using DOACs for secondary prevention is lacking. Many have argued that warfarin might be a better choice in these high-risk patients because it requires routine monitoring and increases the patient’s contact with the healthcare system. Does the choice of anticoagulant make a difference in preventing recurrent stroke?

Guest Authors: Blaire White, PharmD; Amber Cizmic, PharmD, BCACP; and Tish Smith, PharmD, BCACP

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