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Portal hypertension in children
The diagnosis and medical and surgical therapy of portal hypertension in children have suffered numerous changes over the last decades, being accompanied by an improvement in the prognosis of these patients. The etiology of portal hypertension occurrence has also undergone many changes consisting of an increase in the number of cases of hypertension of hepatic involvement, to the detriment of those with pre-hepatic involvement. This may be account for by higher rates of survival in patients suffering from conditions responsible for the occurrence of hepatic portal vein occlusion (biliary and hepatic atresia in the neonates, etc). An accurate and early diagnosis of these conditions, as well as the proper etiology and portal vein blocking site identification, will allow an accurate medical and/or surgical approach, an increase in the life quality and survival rates of these patients.
Key words: portal hypertension, Budd Chiari syndrome, hypersplenism, portal cavernoma