From the Thrombosis and Atherosclerosis Research Institute and Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
Circ Res. 2019 Feb;124(3):426-436. doi: 10.1161/CIRCRESAHA.118.313155.
Recent advances in our understanding of the contribution of thrombin generation to arterial thrombosis and the role of platelets in venous thrombosis have prompted new treatment paradigms. Nonetheless, bleeding remains the major side effect of such treatments spurring the quest for new antithrombotic regimens with better benefit-risk profiles and for safer anticoagulants for existing and new indications. The aims of this article are to review the results of recent trials aimed at enhancing the benefit-risk profile of antithrombotic therapy and explain how these findings are changing our approach to the management of arterial and venous thrombosis. Focusing on these 2 aspects of thrombosis management, this article discusses 4 advances: (1) the observation that in some indications, lowering the dose of some direct oral anticoagulants reduces the risk of bleeding without compromising efficacy, (2) the recognition that aspirin is not only effective for secondary prevention of atherothrombosis but also for prevention of venous thromboembolism, (3) the finding that dual pathway inhibition with the combination of low-dose rivaroxaban to attenuate thrombin generation plus aspirin to reduce thromboxane A2-mediated platelet activation is superior to aspirin or rivaroxaban alone for prevention of atherothrombosis in patients with coronary or peripheral artery disease, and (4) the development of inhibitors of factor XI or XII as potentially safer anticoagulants.
近年来,我们对凝血酶生成在动脉血栓形成中的作用以及血小板在静脉血栓形成中的作用的认识不断提高,这促使了新的治疗模式的出现。然而,出血仍然是这些治疗方法的主要副作用,这促使人们寻求新的抗血栓形成方案,以获得更好的效益风险比,并为现有和新的适应证寻找更安全的抗凝剂。本文的目的是回顾最近旨在提高抗血栓治疗效益风险比的试验结果,并解释这些发现如何改变我们对动脉和静脉血栓形成管理的方法。本文重点关注血栓形成管理的这两个方面,讨论了 4 个进展:(1)在某些适应证中,降低某些直接口服抗凝剂的剂量可以降低出血风险而不影响疗效;(2)认识到阿司匹林不仅对动脉粥样硬化血栓形成的二级预防有效,而且对静脉血栓栓塞的预防也有效;(3)发现低剂量利伐沙班联合阿司匹林双重途径抑制(通过抑制凝血酶生成和减少血栓素 A2 介导的血小板激活)在预防冠状动脉或外周动脉疾病患者的动脉粥样硬化血栓形成方面优于阿司匹林或利伐沙班单独使用;(4)因子 XI 或 XII 的抑制剂作为潜在更安全的抗凝剂的发展。
Circ Res. 2019-2
Arterioscler Thromb Vasc Biol. 2019-1
Hamostaseologie. 2016
Rev Cardiovasc Med. 2019-12-30
J Am Coll Cardiol. 2019-9-24
Am J Med. 2016-11
Res Pract Thromb Haemost. 2024-8-16
Respir Res. 2024-1-30
Eur J Trauma Emerg Surg. 2024-4