Direct-acting Oral Anticoagulants: An Overview

Saudi Journal of Medicine & Medical Sciences
Hatem H Salem

Abstract

In today's practice, an increasing number of patients are prescribed anticoagulant therapy. Short-term anticoagulation as a primary or secondary prophylaxis of thrombosis is standard of care in many clinical indications. In addition, there has been a significant increase in the number of patients receiving long-term full therapeutic anticoagulation, particularly among patients with atrial fibrillation and those with venous thrombosis having a high risk of recurrence. Therefore, clinicians and patients warmly accepted the timely introduction of non-Vitamin K antagonists to clinical practice. Anticoagulants such as anti-Xa and antithrombin have been found to be effective and safe as compared with the standard of care using low-molecular-weight heparin and warfarin. Importantly, the new anticoagulants exhibit rapid onset of action and do not require regular monitoring, making them convenient and user-friendly. Another interesting and consistent observation is that the new anticoagulants have a lower incidence of intracranial bleeding as compared with warfarin therapy. However, before prescribing these drugs, clinicians should check and periodically monitor the renal function of their patients, particularly when new drugs known to ...Continue Reading

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