American Journal of Roentgenology, Vol 169, 1517-1522, Copyright © 1997 by American Roentgen Ray Society

ARTICLES

Placement of metallic stents for treatment of postoperative biliary strictures: long-term outcome in 25 patients

DH Bonnel, CL Liguory, JF Lefebvre and FE Cornud
Centre Medico-Chirurgical De L'Alma, Paris, France.

OBJECTIVE: This study was undertaken to evaluate the results of our 7- year experience with Gianturco-Rosch metallic stents, used for the management of postoperative biliary strictures. SUBJECTS AND METHODS: From January 1989 to April 1995, self-expanding Gianturco-Rosch metallic stents were placed in 25 patients with postoperative bile duct stenosis. All patients had a history of bile duct injury during cholecystectomy. Twenty-four patients had a conventional open cholecystectomy and one patient had a laparoscopic cholecystectomy. Eight patients had stenosis at the level of the common bile duct. The other 17 patients, who had undergone surgical repair of the bile duct, had a stricture at the level of the hepaticojejunostomy. These anastomotic strictures recurred after simple cholangioplasty. Patients were monitored for 9-84 months (mean, 55 months). Treatment was considered successful if the initial stenosis did not recur. Treatment was considered a failure if the initial stenosis recurred within the stent. RESULTS: Two patients had early complications: one had bile pleural effusion, treated with percutaneous drainage, and the other had arterial hemobilia, treated with embolization. Eighteen (72%) of 25 patients had no recurrence of the initial strictures. Among these patients, 11 had no further symptoms of biliary obstruction and seven, all with strictured hepaticojejunostomies, had recurrent episodes of cholangitis caused by secondary sclerosing cholangitis or intrahepatic stone formation. Seven (28%) of 25 patients had recurrence of the initial stenoses, causing repeated episodes of cholangitis. Among these seven patients, six had common bile duct stenoses and one had an anastomotic stricture. Recurrent biliary obstruction was treated surgically or with percutaneous methods, despite the presence of the metallic stent. CONCLUSION: Gianturco-Rosch stent placement should be considered in patients with postoperative bile duct stenoses in whom another operation is not indicated and cholangioplasty has failed. The results are better in patients who have hepaticojejunostomy strictures rather than common bile duct strictures. Overall, a long-term recurrence rate of cholangitis of more than 50% of patients was seen because of recurrence of the original stenosis or intrahepatic bile duct obstruction.
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