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Therapy Algorithm for Portal Vein Thrombosis in Liver Cirrhosis: The Internist's Point of View
Martin Rössle1, Birke Bausch2, Christoph Klinger3
1'PraxisZentrum für Gastroenterologie und Endokrinologie' and University Hospital Freiburg, Freiburg i.Br., Germany.
Insights
Portal vein thrombosis (PVT) treatment in cirrhosis patients is crucial. Transjugular intrahepatic portosystemic shunt (TIPS) is favored for symptomatic portal hypertension, while anticoagulation is an option for asymptomatic cases.
Area of Science:
- Hepatology
- Interventional Radiology
- Gastroenterology
Background:
- Portal vein thrombosis (PVT) in cirrhosis patients was historically undertreated due to bleeding risks and technical challenges.
- PVT negatively impacts patient outcomes and liver transplantation suitability, necessitating effective treatment strategies.
Purpose of the Study:
- To review current treatment options for non-malignant portal vein thrombosis (PVT) in patients with cirrhosis.
- To propose a therapeutic algorithm based on the available evidence for managing PVT in this population.
Main Methods:
- Systematic review of studies on PVT treatment in cirrhosis published within the last 10 years.
- Analysis of treatment efficacy, including anticoagulation and transjugular intrahepatic portosystemic shunt (TIPS).
Main Results:
- Anticoagulation (LMWH or VKAs) achieves recanalization in up to 50% of patients with limited, recent PVT.
- TIPS demonstrates up to 100% recanalization rates and significantly reduces rebleeding in patients with recent or chronic PVT.
Conclusions:
- TIPS is recommended as a first-line treatment for PVT in patients with symptomatic portal hypertension.
- Anticoagulation is a viable initial option for asymptomatic portal hypertension, with TIPS considered if anticoagulation is ineffective or for transplant candidates.
Background:
Treatment of non-malignant portal vein thrombosis (PVT) in patients with cirrhosis has been neglected in the past because of the fear of bleeding complications when using anticoagulation and due to the technical difficulties associated with the implantation of the transjugular intrahepatic portosystemic shunt (TIPS). However, PVT has a negative impact on outcome and compromises liver transplantation, warranting treatment by using anticoagulation and TIPS.
Methods:
This review considers studies on the treatment of PVT in cirrhosis published in the last 10 years. Unfortunately, many of these studies are limited by their retrospective design and a small sample size.
Results:
Anticoagulation using low-molecular-weight heparin (LMWH) or vitamin K antagonists is effective in the treatment of patients with limited and recent PVT, resulting in a recanalization in up to 50% of the patients. TIPS (plus local measures) results in a recanalization of up to 100% and reduces the rebleeding rate considerably in patients with recent or chronic PVT.
Conclusion:
Based on the presently limited knowledge, a therapy algorithm is suggested favouring the TIPS as a first-line treatment for PVT in patients with symptomatic portal hypertension. Patients with thus far asymptomatic portal hypertension may first receive anticoagulation, preferably using LMWH. If these patients have a condition where anticoagulation is not promising (complete, extended, chronic PVT) or ineffective, or if they are candidates for liver transplantation, the TIPS may be implanted without delay.
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