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Practical Guide for Anticoagulant and Antiplatelet Reversal in Clinical Practice
Mohammed Aldhaeefi1, Hisham A Badreldin2,3,4, Faisal Alsuwayyid5
1Department of Clinical and Administrative Pharmacy Sciences, Howard University College of Pharmacy, Washington, DC 20059, USA.
Insights
Bleeding is a major concern with increased anticoagulant and antiplatelet use. This guide details reversing agents for antithrombotics like direct oral anticoagulants (DOACs) and direct thrombin inhibitors (DTIs) in emergencies.
Area of Science:
- Cardiology
- Pharmacology
- Internal Medicine
Background:
- Anticoagulant and antiplatelet therapies are increasingly prescribed for cardiovascular conditions.
- Bleeding complications remain a significant concern for patients on antithrombotic medications.
- Existing reversal strategies for some antithrombotics are limited, especially for antiplatelet agents.
Purpose of the Study:
- To provide a practical clinical guide on reversing anticoagulants and antiplatelets.
- To summarize current evidence and recommendations for antithrombotic reversal.
- To address the management of bleeding risks associated with antithrombotic therapy.
Main Methods:
- Review of recent studies and clinical guidelines on antithrombotic reversal.
- Analysis of available reversal agents for different classes of antithrombotics.
- Discussion of specific reversal agents such as Vitamin K, PCCs, andexanet alfa, idarucizumab, and protamine sulfate.
Main Results:
- Direct oral anticoagulants (DOACs) and direct thrombin inhibitors (DTIs) have specific reversal agents (andexanet alfa and idarucizumab, respectively).
- Warfarin reversal can be achieved with Vitamin K and prothrombin complex concentrate (PCCs).
- Protamine sulfate is indicated for heparin reversal, but no specific reversal agents exist for antiplatelets.
Conclusions:
- Effective reversal strategies are crucial for managing bleeding emergencies in patients on antithrombotics.
- The availability of specific reversal agents varies by antithrombotic class.
- Further research is needed to develop reversal agents for antiplatelet medications.
Abstract:
In recent years, anticoagulant and antiplatelet use have increased over the past years for the prevention and treatment of several cardiovascular conditions. Due to the rising use of antithrombotic medications and the complexity of specific clinical cases requiring such therapies, bleeding remains the primary concern among patients using antithrombotics. Direct oral anticoagulants (DOACs) include rivaroxaban, apixaban, edoxaban, and betrixaban. Direct thrombin inhibitors (DTIs) include argatroban, bivalirudin, and dabigatran. DOACs are associated with lower rates of fatal, life-threatening, and significant bleeding risks compared to those of warfarin. The immediate reversal of these agents can be indicated in an emergency setting. Antithrombotic reversal recommendations are still in development. Vitamin K and prothrombin complex concentrate (PCCs) can be used for warfarin reversal. Andexanet alfa and idarucizumab are specific reversal agents for DOACs and DTIs, respectively. Protamine sulfate is the solely approved reversal agent for unfractionated heparin (UFH) and low-molecular-weight heparin (LMWH). However, there are no specific reversal agents for antiplatelets. This article aims to provide a practical guide for clinicians regarding the reversal of anticoagulants and antiplatelets in clinical practice based on the most recent studies.
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