aetiology

Last reviewed 08/2021

Classification:

  • increased resistance to portal blood flow - the usual mechanism:
    • pre-hepatic
    • hepatic i.e. pre-sinusoidal and sinusoidal
    • post-sinusoidal

  • increased portal blood flow - less common:
    • arterio-venous fistula
    • increased splenic flow:
      • splenomegaly
      • Banti's syndrome
      • Cruveilhier-Baugmarten syndrome