
Warfarin and other VKAs: Dosing and adverse effects
2025年2月20日 · Warfarin and other vitamin K antagonists (VKAs, also called coumarins; eg, acenocoumarol, phenprocoumon, fluindione) have been available for decades and are used in various settings. Their use is challenging because their therapeutic range is narrow and dosing is affected by many factors including genetic variation, drug interactions, and diet.
解密口服抗凝剂:VKAs与DOACs的临床应用与实验室监测
2024年11月5日 · 与维生素k拮抗剂(vkas)相比,doacs提供了更简便、更安全的抗凝选择,迅速成为医生治疗和预防心血管疾病的首选武器。 DOACs 的种类和作用机制 目前市场上有四种主要的DOACs:
直接口服抗凝剂(DOACs)与维生素K拮抗剂(VKAs)在房颤患者 …
2021年10月31日 · 口服抗凝药物如维生素K拮抗剂(VKAs,如华法林)和直接口服抗凝药物(DOACs)是AF预防卒中的基石。 VKAs有其局限性,包括因大量药物相互作用而需要频繁监测。 因此,能减少这些局限性的DOACs药物如达比加群、利伐沙班、阿哌沙班和艾多沙班等应运而生。 临床对照试验和现实研究的数据表明,DOACs并不比VKAs差,而且存在一些优势,因此许多发达国家在AF指南中推荐DOACs优于VKAs。 多项成本效益研究对各种卫生保健环境下的DOACs …
临床实践|AJN深度综述:慢性肾脏病患者中的口服抗凝药治疗
2024年4月2日 · 直接口服抗凝剂(Direct oralanticoagulants,DOACs)具有重要的优点,并且已被证明不劣于华法林预防中风或复发性VTE,一般人群出血率较低。 该文将提供关于CKD患者中DOAC可获得的证据。 要点:在随机研究事后分析中, ① DOACs在中度CKD,定义为肌酐清除率 (CrCl)30–50 mL/min伴心房颤动患者中预防脑卒中,达比加群150 mg和阿哌沙班与卒中和全身栓塞的发生率较低有关,而阿哌沙班和艾多沙班则与华法林相比,有较低的出血率和死亡率。 …
口服华法林如何监测?INR 异常如何处理?看这一篇就够了! - 丁 …
2021年1月5日 · 以华法林为首的维生素 K 拮抗剂(VKAs)是临床常用预防和治疗血栓性疾病的药物。尽管新型口服抗凝药(NOACs)的使用正在增加,VKAs 在老年人、肥胖、严重慢性肝肾功能异常或心脏瓣膜病患者以及长期使用 VKAs 且无不良事件的患者中仍是首选药物。
The Pharmacology and Management of the Vitamin K Antagonists
The article describes the antithrombotic effect of VKAs, the monitoring of anticoagulation intensity, the clinical applications of VKA therapy, and the optimal therapeutic range of VKAs, and provides specific management recommendations.
Vitamin K antagonists: relative strengths and weaknesses vs.
2016年11月28日 · Vitamin K antagonists (VKAs) provide effective anticoagulation and have been the mainstay of anticoagulation therapy for more than 50 years. VKAs are mostly used as long-term anticoagulant therapy, including for the prevention of stroke in patients with atrial fibrillation (AF) and the treatment of venous thromboembolism (VTE).
Vitamin K Antagonists (VKAs) - Anticoagulant Agents
2024年7月17日 · Mechanism of action of vitamin K antagonists (VKAs): Acenocoumarol and warfarin inhibit the posttranslational modification of coagulation factors II, VII, IX, and X, as well as protein C and protein S, which are necessary for the normal activity of the factors.
Optimizing quality care for the oral vitamin K antagonists (VKAs)
2018年11月30日 · Vitamin K antagonists (VKAs) have been the only oral anticoagulants for decades. The management of anticoagulant therapy with VKA is challenging because of the intricate pharmacological properties of these agents.
New oral anticoagulants: comparative pharmacology with vitamin …
New oral anticoagulants (OACs) that directly inhibit Factor Xa (FXa) or thrombin have been developed for the long-term prevention of thromboembolic disorders. These novel agents provide numerous benefits over older vitamin K antagonists (VKAs) due to major pharmacological differences. VKAs are econo …