Abstract
Ninety children with portal hypertension were treated by portal diversion. Fifty-two had cavernous transformation of the portal vein and 38 had an intrahepatic block from various causes. There were 59 central splenorenal shunts, 19 mesocaval, 11 portacaval and one distal splenorenal. In 61 peripheral shunts the veins used for the anastomosis were less than 10 mm in diameter. There was no operative mortality in children with extrahepatic block. One child with cystic fibrosis died postoperatively. Thrombosis of the shunt occurred in five children (5.6 per cent) and was responsible for recurrent bleeding in two. Four children with a thrombosed shunt underwent succesful reoperation and one is awaiting another anastomosis. No late complications occurred in the 52 children with extrahepatic block, while encephalopathy developed in four children with intrahepatic block. These figures confirm our earlier results in the management of portal hypertension in childhood and suggest that portal diversion is the treatment of choice. Several precautions have permitted lowering of the rate of thrombosis whichever shunt is performed. Portal diversion should be indicated following the first episode of hemorrhage in children with extrahepatic block. In patients with intrahepatic block, congenital hepatic fibrosis and cystic fibrosis are good indications as are in general the hepatic diseases with no or mild activity.
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