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[Portal vein thrombosis].

Bertrand Condat1, Dominique Valla

  • 1Service d'hépato-gastroentérologie, Hôpital St-Camille, Bry sur Marne. b.condat@ch-bry.org

Presse Medicale (Paris, France : 1983)
|October 10, 2003
PubMed
Summary

Portal vein thrombosis, a common cause of portal hypertension, is diagnosed via acute symptoms or cavernoma complications. Treatment with anticoagulants can recanalize veins, especially in recent cases and selected cavernoma patients.

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Area of Science:

  • Gastroenterology
  • Vascular Medicine
  • Hematology

Context:

  • Portal vein thrombosis (PVT) is the second leading cause of portal hypertension in Western countries.
  • Diagnosis occurs during acute abdominal pain or later, presenting as portal cavernoma with complications like esophageal varices rupture or hypersplenism.
  • Etiological investigation, excluding hepatocellular carcinoma, focuses on cirrhosis, local factors (sepsis, surgery, pancreatitis), and prothrombotic states (70% of cases, notably myeloproliferative neoplasms).

Purpose:

  • To outline diagnostic circumstances and etiological factors of portal vein thrombosis.
  • To review treatment strategies for portal vein thrombosis, including anticoagulant therapy.
  • To clarify the role of anticoagulation in different stages and presentations of PVT.

Summary:

  • Anticoagulant therapy is effective for recanalizing recently formed PVT.
  • Selected portal cavernoma patients with prothrombotic states and without significant varices may benefit from anticoagulation.
  • For patients with large varices, anticoagulation should be combined with hemorrhage prevention strategies.

Impact:

  • Provides a comprehensive overview of PVT diagnosis and management.
  • Highlights the importance of identifying prothrombotic states in PVT etiology.
  • Informs clinical decision-making regarding anticoagulant use in PVT patients.

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