The Use of Silastic Transhepatic Stents in Benign and Malignant Biliary Strictures

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Between 1969 and 1978, 45 patients with biliary strictures have been managed surgically utilizing silastic transhepatic stents. In 25 patients the strictures were benign. After resection or dilatation of the benign stricture, an hepaticojejunostomy was performed to a Roux-en-Y loop. The anastomosis was stented with a large bore silastic tube with multiple' side holes passed through the biliary tree, out the anterior surface of the liver, and then out through the abdominal wall. There was one hospital death. Most stents were left in place for one year. Of the 15 patients with long-term follow-up, all have had excellent results

In 20 patients the strictures were malignant and involved the common hepatic duct in 10 patients or its bifurcation in 10 patients. In 14 patients the tumor was thought to be primary in the biliary tree, and in six patients the tumor was felt to represent a metastasis or direct extension from another site. In three patients the tumors were resected, and in the remaining they were dilated or bypassed. After positioning a silastic transhepatic stent, a hepaticojejunostomy was carried out. There were two hospital deaths. Serum bilirubin on admission averaged 17.1 mg%, and after decompression 1.8 mg%. Five patients have survived over one year, and two over two years. Postoperative radiotherapy and a primary biliary tumor favored longer survival

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