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Effectiveness of endoscopic sphincterotomy in complicated hepatic hydatid disease
A N Rodriguez1, A L Sánchez del Río, L V Alguacil
1Department of Gastroenterology, Reina Sofía University Hospital, Córdoba, Spain.
Background:
The aim of this study was to evaluate the results of endoscopic sphincterotomy in patients with hepatic hydatid cysts that have ruptured into the biliary tract.
Methods:
Over a 10-year period, 25 patients (11 men, 14 women, mean age 60 years) underwent treatment; 13 with no prior surgery were treated for biliary obstruction. Postoperative treatment was undertaken in 12 cases because of persistent drainage (8), duct obstruction (3), and postoperative pancreatitis (1).
Results:
In patients who had not undergone previous surgery, cholangiographic findings were hydatid vesicles in the biliary tract (6), dilation of the biliary tract (3), biliary fistula (2), distal stenosis (1), and purulent bile content after sphincterotomy (1). In all of these cases, sphincterotomy resolved duct obstruction with no complications. All patients with persistent postoperative drainage had a fistula tract between the biliary duct and the cavity, which was resolved by endoscopic treatment in all 8. The 3 patients with postoperative biliary obstruction had hydatid vesicles in the biliary tract, one with a long stenosis resembling sclerosing cholangitis, whereas the patient with postoperative pancreatitis had a distal stenosis. Satisfactory results were obtained with endoscopic sphincterotomy, although 1 patient required a biliary prosthesis.
Conclusion:
Endoscopic sphincterotomy resolves biliary obstruction and postoperative fistulae in most patients with hepatic hydatid cysts that have ruptured into the biliary tract. In some cases, a biliary prosthesis may be required.