[Pathogenesis and surgical tactics in the extrahepatic form of portal hypertension in children].

The correlation analysis of different parameters of the oxygen regimen of the liver, its blood circulation and angioarchitectonics were used in 44 patients in order to reveal different ways of the compensation of blood flow depending on the form of blockade (in thrombosis of the portal vein--at the expense of the hepatic artery, in its malformation--at the expense of the formation of porto-portal collaterals). The operation of choice is thought to be gastrotomy with ligation of varicose veins of the stomach and esophagus from the side of mucosa. It was used in 110 patients and in 88% of the cases recurrent bleedings were prevented for the period up to 15-20 years.