Adjective
portosystemic (not comparable)
(anatomy) Relating to, or connecting the portal and systemic venous circulation systems.
portosystemic anastomosis
portosystemic shunt
Whether due to increased portal blood flow, or to increased resistance to blood, portal hypertension can cause the formation of multiple portosystemic shunts (PSS), a condition in which the circulatory system bypasses the liver. Source: Internet
If these treatments are unsuccessful in treating symptoms, transjugular intrahepatic portosystemic shunt (TIPS) or distal splenorenal shunt (DSRA) are two procedures that may reduce pressure in the portal veins. Source: Internet