title: Shunts for variceal hemorrhage: why? when? what?
mesh_terms: D004932:Esophageal and Gastric Varices / Q000209:etiology / Q000601:surgery*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000601:surgery; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications; D008104:Liver Cirrhosis, Alcoholic / Q000150:complications; D011167:Portacaval Shunt, Surgical; D011170:Portasystemic Shunt, Surgical; D012008:Recurrence; D013164:Splenorenal Shunt, Surgical