Portasystemic venous shunts (first of two parts).
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000818:Animals; D002648:Child; D004932:Esophageal and Gastric Varices / Q000150:complications; D006471:Gastrointestinal Hemorrhage / Q000517:prevention & control; D006439:Hemodynamics; D006501:Hepatic Encephalopathy / Q000209:etiology; D006801:Humans; D006975:Hypertension, Portal / Q000209:etiology / Q000601:surgery*; D008102:Liver Circulation; D008103:Liver Cirrhosis / Q000150:complications; D008109:Liver Diseases, Parasitic / Q000150:complications; D008722:Methods; D011167:Portacaval Shunt, Surgical / Q000009:adverse effects; D011168:Portal System; D012082:Renal Veins / Q000601:surgery; D012552:Schistosomiasis / Q000150:complications; D013162:Splenic Vein / Q000601:surgery; D013927:Thrombosis / Q000150:complications; D014682:Vena Cava, Inferior / Q000601:surgery