End to side portocaval anastomosis for portal hypertension and bleeding varicesNonselective End-to-side portacaval shunt Side-to-side portacaval shunt Large diameter interposition shunts (eg, mesocaval) Central splenorenal shunt Selective Distal splenorenal (Warren) Small-diameter portacaval H graft shunt Surgical Shunts to Reduce Portal Venous Pressure