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Venous thromboembolism: Predicting recurrence and the need for extended anticoagulation
Geoffrey D Barnes1, Yogendra Kanthi2, James B Froehlich2
1University of Michigan Frankel Cardiovascular Center, Ann Arbor, MI, USA gbarnes@umich.edu.
Vascular Medicine (London, England)
|April 3, 2015
Summary
Deciding on extended anticoagulation for venous thromboembolism (VTE) requires balancing recurrence and bleeding risks. This review aids clinicians in managing VTE extended therapy decisions for patients beyond initial treatment.
Area of Science:
- Cardiology
- Hematology
- Clinical Medicine
Background:
- Initial venous thromboembolism (VTE) treatment typically lasts 3 months.
- Extended anticoagulation decisions depend on VTE recurrence and bleeding risks, patient factors, and preferences.
- Risk stratification is crucial, especially in ambiguous cases.
Purpose of the Study:
- To review evidence on VTE recurrence risk factors.
- To evaluate the role of extended anticoagulation in VTE management.
- To provide an algorithm for extended anticoagulation decisions.
Main Methods:
- Literature review of VTE recurrence and bleeding risk factors.
- Analysis of patient-specific factors and laboratory results.
- Evaluation of VTE risk prediction tools.
Main Results:
- VTE recurrence risk varies significantly based on provoking factors (e.g., malignancy, reversible surgical risks).
- A 'grey zone' exists where extended therapy decisions are complex.
- Risk prediction tools can aid in decision-making.
Conclusions:
- Extended anticoagulation for VTE requires careful risk-benefit assessment.
- Patient-specific factors and risk prediction tools are vital for informed decisions.
- An evidence-based algorithm can guide extended VTE therapy choices.
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