[Portal hypertension and biliary atresia (author's transl)].

The study of portal pressure during surgical exploration for biliary atresia in the series of 260 children operated at the Hospital Saint-Vincent de Paul since 1968 showed that portal hypertension could be demonstrated in 61.8% of the cases before the age of 3 months. Among the 54 children surviving without jaundice, splenomegaly was found in 35 cases; esophageal varices were seen in 14 children, more frequently after 5 years of age. Bleeding from esophageal varices occurred only in cases with recurrence of jaundice or moderate biliary retention, i.e. for 6 children. A portocaval shunt was constructed in 7 cases; all had bled except one. One child died two and a half years later from pneumococcal sepsis after a splenorenal shunt with splenectomy; another child had numerous recurrence of bleeding episodes. Five children have a functional shunt and have not rebled. When biliary atresia is cured by hepatoportoenterostomy, with complete disappearance of biliary retention, the risk of bleeding from esophageal varices is unlikely, in spite of persistent cirrhotic alterations of the liver; in these children, there should very seldom be an indication for a portocaval shunt.