Systematic Literature Review of Randomized Trials Comparing Antithrombotic Therapy Following Revascularization Procedures in Patients With Peripheral Artery Disease.

Schindewolf, Marc; Beyer-Westendorf, Jan; Balradj, Janita; Bowrin, Kevin; Huelsebeck, Maria; Briere, Jean-Baptiste (2020). Systematic Literature Review of Randomized Trials Comparing Antithrombotic Therapy Following Revascularization Procedures in Patients With Peripheral Artery Disease. Angiology, 71(9), pp. 773-790. Sage 10.1177/0003319720936505

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A systematic literature review was conducted to identify and summarize the clinical efficacy and safety of available antithrombotic therapies after peripheral endovascular or surgical revascularization in patients with peripheral artery disease (PAD). Five databases were searched using free-text and Emtree/Mesh terms for PAD, randomized controlled trials (RCTs), and antithrombotic therapies of interest (ie, single antiplatelet therapy, dual antiplatelet therapy, and vitamin K antagonists). Randomized controlled trials were eligible for inclusion if they assessed the risk of thrombotic events (ie, myocardial infarction, ischemic stroke, cardiovascular death, limb ischemia, or limb amputation) or safety profile (ie, minor, moderate, major, or fatal bleeding events) after revascularization. In total, 16 RCTs were identified. Only a few studies reported on treatment effects of the investigated therapies. Myocardial infarction, ischemic stroke, cardiovascular death, and amputation were reported in up to 2.3%, 2.3%, 5.6%, and 7.3% of patients, respectively. Bleeding events were observed in up to 8.4% (major) and 1.5% (fatal) of patients. Despite available treatments, patients with PAD undergoing revascularization remain at risk of thrombotic events. There is a need for new treatments that will help to optimize care for patients with symptomatic PAD undergoing revascularization.

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