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Portal vein thrombosis - a primer for the general physician

Mohammad Haris1, Jecko Thachil2

  • 1University of Manchester, Manchester, UK.

Clinical Medicine (London, England)
|June 3, 2017
PubMed

Insights

Portal vein thrombosis (PVT), a blockage in the portal circulation, is increasingly found incidentally. Treatment with anticoagulation presents challenges due to bleeding risks and low platelet counts.

Area of Science:

  • Hepatology and Gastroenterology
  • Vascular Medicine
  • Hematology

Background:

  • Portal vein thrombosis (PVT) involves the blockage of blood flow within the portal venous system.
  • While PVT can cause distinct symptoms, advances in abdominal imaging reveal a significant number of incidental cases.
  • Characteristic symptoms may be absent, leading to potential underdiagnosis of PVT.

Purpose of the Study:

  • To highlight the diagnostic challenges and therapeutic considerations in managing portal vein thrombosis.
  • To underscore the emerging role of JAK2 mutations as a causative factor in PVT.
  • To discuss the complexities of anticoagulation therapy in PVT patients.

Main Methods:

  • Review of clinical presentations and diagnostic findings in portal vein thrombosis.
  • Analysis of recent literature identifying JAK2 mutations associated with PVT.
  • Evaluation of treatment strategies, focusing on anticoagulation challenges.

Main Results:

  • Increased detection of incidental portal vein thrombosis due to enhanced abdominal imaging.
  • Recognition of JAK2 mutation as a significant underlying cause of PVT.
  • Anticoagulation, the primary treatment, is complicated by coagulopathy, varices, and thrombocytopenia.

Conclusions:

  • Portal vein thrombosis requires careful diagnostic consideration, especially in incidental findings.
  • The JAK2 mutation is an important etiology to investigate in PVT.
  • Managing anticoagulation in PVT necessitates a thorough assessment of bleeding risks and patient-specific factors.
Keywords:
Portal vein thrombosis

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