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Venous thromboembolism in cirrhosis
Zhineng J Yang1, Karen A Costa, Enrico M Novelli
11Department of Internal Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
Summary
Patients with cirrhosis face risks of bleeding and venous thromboembolic events (VTEs). This review clarifies that "autoanticoagulation" is a misnomer, highlighting the need for better VTE management in this population.
Area of Science:
- Hepatology
- Hematology
- Clinical Medicine
Background:
- Cirrhosis patients present a complex risk profile, susceptible to both bleeding and venous thromboembolic events (VTEs).
- The notion of cirrhosis conferring protection against thrombosis due to coagulation factor deficiencies is a misconception.
- This perceived "autoanticoagulation" can lead to underestimation of thrombotic risk in these patients.
Purpose of the Study:
- To examine the dual risk of bleeding and VTEs in patients with cirrhosis.
- To address the misconception of "autoanticoagulation" and its implications for thrombosis risk.
- To review the challenges and current understanding of VTE management and anticoagulation in cirrhosis.
Main Methods:
- Literature review focusing on VTE and anticoagulation in cirrhosis.
- Analysis of existing data on bleeding and thrombotic risks in cirrhotic patients.
- Examination of the concept of "autoanticoagulation" versus actual thrombotic risk.
Main Results:
- Cirrhosis patients exhibit a significant risk for VTEs, challenging the "autoanticoagulation" theory.
- Bleeding risk in cirrhosis complicates anticoagulation decisions.
- Current guidelines for VTE prophylaxis and treatment in cirrhosis are lacking.
Conclusions:
- The concept of "autoanticoagulation" in cirrhosis is inaccurate; these patients are at risk for thrombosis.
- Managing VTE in cirrhosis is clinically challenging due to the high bleeding risk.
- Further research into predictors of VTE is crucial for guiding anticoagulation strategies in cirrhosis.
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