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Tail Vein Transection Bleeding Model in Fully Anesthetized Hemophilia A Mice
Published on: September 30, 2021
[Bleeding risk in patients with venous thromboembolism]
1Division de médecine interne générale HUG, 1211 Genève 14. marc.blondon@hcuge.ch
Revue Medicale Suisse
|March 8, 2012
Summary
About 2.5% of patients on anticoagulation for venous thromboembolism experience major bleeding. Identifying bleeding risk factors like age and kidney disease aids treatment decisions, but warfarin prediction rules need validation for VTE patients.
Area of Science:
- Internal Medicine
- Hematology
- Pharmacology
Context:
- Venous thromboembolism (VTE) affects a significant patient population requiring anticoagulation therapy.
- Major bleeding is a serious complication, occurring in 2-2.5% of VTE patients within 90 days of treatment.
- Predictors of bleeding, including INR stability, prior hemorrhage, cancer, chronic kidney disease, and advanced age, are known.
Purpose:
- To review identified predictors of major bleeding in patients with venous thromboembolism undergoing anticoagulation.
- To assess the applicability of existing bleeding prediction rules, particularly those for warfarin users, in the VTE population.
- To guide clinicians in identifying high-risk patients and optimizing anticoagulation duration.
Summary:
- Anticoagulation therapy for venous thromboembolism (VTE) carries a risk of major bleeding (2-2.5% in 90 days).
- Established bleeding predictors include INR stability, bleeding history, cancer, chronic kidney disease, and advanced age.
- Current bleeding prediction rules developed for warfarin users have not been validated in VTE patients, limiting their utility.
Impact:
- Improved identification of VTE patients at high risk for major bleeding.
- Potential for more personalized anticoagulation treatment strategies and duration.
- Highlights the need for validation or development of specific bleeding risk prediction tools for VTE patients.
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