[Results of elective portazygos disconnection procedure on portal hypertension].
D000293:Adolescent; D000328:Adult; D001401:Azygos Vein / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006471:Gastrointestinal Hemorrhage / Q000517:prevention & control; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D011169:Portal Vein / Q000601:surgery*