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Published on: February 28, 2012
Perioperative management of target-specific oral anticoagulants
Brian Bergmark1, Robert P Giugliano
1Department of Medicine, Brigham and Women's Hospital, Boston, MA.
Abstract:
Target-specific oral anticoagulants (TSOACs), which offer rapid onset and more predictable pharmacokinetics/dynamics compared with vitamin K antagonists, are rapidly growing in number and approved indications. At least 1 in 10 Americans receiving outpatient anticoagulant therapy requires interruption of anticoagulation for an invasive procedure annually, and management of these new agents in the perioperative setting is made challenging by difficulty measuring anticoagulant effect and the lack of effective reversal. Surgical planning must account for individual patient risks for bleeding and thrombosis, the type of procedure, and expected drug clearance. Based upon these considerations, a perioperative plan encompassing timing of TSOAC cessation and resumption, as well as bridging therapy, if needed, can be developed. Perioperative strategies remain largely predicated on extrapolations from pharmacokinetics and expert opinion, though a growing body of literature is providing greater guidance in this important area.
Insights
Management of target-specific oral anticoagulants (TSOACs) requires careful perioperative planning. Strategies involve timing drug cessation and resumption, considering patient risks and procedure type for safe invasive procedures.
Area of Science:
- Pharmacology
- Cardiology
- Surgical Management
Background:
- Target-specific oral anticoagulants (TSOACs) are increasingly used, offering advantages over vitamin K antagonists.
- Managing TSOACs perioperatively poses challenges due to difficulties in monitoring anticoagulant effect and lack of reversal agents.
Purpose of the Study:
- To outline perioperative management strategies for patients on TSOACs undergoing invasive procedures.
- To provide guidance on timing of TSOAC cessation and resumption, and the potential need for bridging therapy.
Main Methods:
- Review of pharmacokinetic and pharmacodynamic data of TSOACs.
- Extrapolation from existing literature and expert opinion on perioperative anticoagulation.
- Consideration of individual patient bleeding and thrombosis risks, procedure type, and drug clearance.
Main Results:
- Perioperative plans for TSOACs necessitate individualized risk assessment.
- Timing of drug cessation and resumption is crucial for minimizing procedural complications.
- Bridging therapy may be considered based on risk stratification.
Conclusions:
- Developing tailored perioperative strategies for TSOACs is essential for patient safety.
- Evidence-based guidelines are emerging, but management often relies on pharmacokinetic principles and clinical judgment.
- Further research is needed to refine perioperative TSOAC management.
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