Portal hypertension in children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005078:Exchange Transfusion, Whole Blood; D005260:Female; D006330:Heart Defects, Congenital / Q000150:complications; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D006971:Hypersplenism / Q000150:complications; D006975:Hypertension, Portal / Q000209:etiology / Q000601:surgery; D007223:Infant; D008297:Male; D011169:Portal Vein / Q000002:abnormalities; D011172:Portography; D012082:Renal Veins / Q000601:surgery; D013162:Splenic Vein / Q000601:surgery; D014652:Vascular Diseases / Q000150:complications