[Pre-operative nursing and risk factors of cirrhotic patients with portal hypertension--with special reference to esophageal varices].
D004932:Esophageal and Gastric Varices / Q000209:etiology; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications / Q000451:nursing*; D008103:Liver Cirrhosis / Q000451:nursing*; D011300:Preoperative Care; D012306:Risk