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Mesenteric vein thrombosis

Guidelines

Key sources

The following summarized guidelines for the evaluation and management of mesenteric vein thrombosis are prepared by our editorial team based on guidelines from the American Society of Hematology (ASH 2023), the World Society of Emergency Surgery (WSES 2022), the American Association for the Study of Liver Diseases (AASLD 2021), the American College of Gastroenterology (ACG 2020), the American Gastroenterological Association ...
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Diagnostic investigations

Indications for testing, portal vein thrombosis: as per ACG 2020 guidelines, obtain contrast-enhanced CT or MRI to assess the extension of thrombus into the mesenteric veins and to exclude tumor thrombus in patients with cirrhosis developing new portal and/or mesenteric vein thrombus.
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  • Indications for testing (portal hypertension)

  • Indications for testing (Crohn's disease)

  • CTA

  • Evaluation for etiology

Medical management

Anticoagulation therapy, indications: as per WSES 2022 guidelines, consider administering a continuous infusion of UFH for the management of patients with mesenteric venous thrombosis.
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  • Anticoagulation therapy (duration)

  • Prevention of variceal bleeding