[Portosystemic anastomoses in portal hypertension].
D004932:Esophageal and Gastric Varices / Q000601:surgery; D006801:Humans; D006975:Hypertension, Portal / Q000601:surgery*; D011167:Portacaval Shunt, Surgical / Q000009:adverse effects; D011183:Postoperative Complications; D012082:Renal Veins / Q000601:surgery; D013162:Splenic Vein / Q000601:surgery