Abstract
Peripheral artery disease (PAD) is a severe manifestation of atherosclerosis. Patients with PAD are at heightened risk for atherothrombotic complications, including myocardial infarction and stroke (MACE); however, there is also an equal or greater risk of major adverse limb events (MALE), such as acute limb ischemia (ALI) and major amputation. Therefore, there is a need for effective medical therapies to reduce the risk of both MACE and MALE. Recent trials have demonstrated the role of thrombin inhibition in reducing the risk of MACE and MALE in PAD patients. One such medical therapy, vorapaxar, is a potent inhibitor of protease activated receptor-1 which mediates the cellular effects of thrombin. Vorapaxar, used in addition to aspirin, has demonstrated robust reductions in MACE and MALE in PAD patients. In this article, we provide a contemporary review of the current state of PAD and the role of antithrombotic medications in the treatment of PAD, as well as the current clinical data on vorapaxar and strategies to integrate vorapaxar into contemporary medical management of peripheral artery disease.
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