[Portal hypertension at children: current aspects of portal-systemic bypass].

Overall 438 children with extrahepatic portal hypertension underwent surgical treatment. Portal-systemic bypass was performed at 383 patients, meso-portal bypass -- at 56. These surgical procedures were effective at 96.4% cases. All the children with bleeding recurrences were operated repeatedly. Meso-portal bypass not only prevents risk of bleeding but also reconstruct normal anatomy and physiology of portal system.