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Portal vein thrombosis classification

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Farima Kahe M.D. [2]

Overview

Portal vein thrombosis may be classified according to its extension into 4 groups including: Confined to the portal vein beyond the confluence of the splenic vein, extended to the superior mesenteric vein with patent mesenteric vessels, extended to the whole splanchnic venous system with large collaterals, and extended to the whole splanchnic venous system with only fine collaterals. Portal vein thrombosis may be classified based on the duration of symptoms as either acute or chronic.

Classification

Portal vein thrombosis may be classified according to the extension into 4 groups:[1][2]

Based on the onset of symptoms, portal vein thrombosis may be classified as either acute or chronic:[3]

  • Acute portal vein thrombosis: Defined as duration of symptoms <60 days and absence of portal carvernoma and portal hypertension
  • Chronic portal vein thrombosis: Defined as duration of symptoms >60 days and/or presence of portal carvernoma and portal hypertension

References

  1. Jamieson NV (2000). “Changing perspectives in portal vein thrombosis and liver transplantation”. Transplantation. 69 (9): 1772–4. PMID 10830208.
  2. Ponziani FR, Zocco MA, Campanale C, Rinninella E, Tortora A, Di Maurizio L, Bombardieri G, De Cristofaro R, De Gaetano AM, Landolfi R, Gasbarrini A (2010). “Portal vein thrombosis: insight into physiopathology, diagnosis, and treatment”. World J. Gastroenterol. 16 (2): 143–55. PMC 2806552. PMID 20066733.
  3. Ma J, Yan Z, Luo J, Liu Q, Wang J, Qiu S (2014). “Rational classification of portal vein thrombosis and its clinical significance”. PLoS ONE. 9 (11): e112501. doi:10.1371/journal.pone.0112501. PMC 4231054. PMID 25393320.

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