title: [Biliary stent occlusion].
abstract: BACKGROUND
  Endoscopic stent insertion is as a method of choice for palliative treatment of malignant biliary strictures. Two types of biliary stent were actually used plastic and metallic self-expandable. Occlusion of the stent can be observed in both.
  
  
  OBJECTIVE
  To assess the management of biliary stent occlusion.
  
  
  METHODS
  From january 2006 to december 2007, 120 biliary stents were inserted in 97 patients. Indications of biliary stents were malignant stricture in 67% of cases. Biliary stent occlusion was defined by necessity of stent replacement.
  
  
  RESULTS
  118 plastic and 2 metallic self-expandable biliary stents were inserted. Obstruction of the biliary stent was observed in 12 patients, after a mean time of 5,5 months [1-15]. A recurrent biliary desobstruction was necessary in 6 patients. Stent exchange was realised in 33,3% of cases for malignant biliary stenosis and in 66,6% for benign stricture (p=0,01). Obstruction of the stent was symptomatic (cholangitis, jaundice) in more of 50% of cases. Management consisted on the stent exchange by a new plastic stent for clogging plastic stent and on insertion of plastic stent inside the metallic one for the occluded metallic stent.
  
  
  CONCLUSIONS
  Obstruction can occur for the two types of biliary stent. Survival of the patient, cost of the stent guide the choice of the stent will be used.
authors.affiliation: Service de Gastro-entérologie, Hôpital Habib Thameur, Tunis, Tunisie.
authors.forename: Dalila
authors.initials: D
authors.lastname: Gargouri
authors.forename: Asma
authors.initials: A
authors.lastname: Kochlef
authors.forename: Asma
authors.initials: A
authors.lastname: Ouekaa
authors.forename: Hela
authors.initials: H
authors.lastname: Elloumi
authors.forename: Afef
authors.initials: A
authors.lastname: Kilani
authors.forename: Malika
authors.initials: M
authors.lastname: Romani
authors.forename: Jamel
authors.initials: J
authors.lastname: Kharrat
authors.forename: Abdeljabbar
authors.initials: A
authors.lastname: Ghorbel
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001652:Bile Ducts / Q000601:surgery*; D002779:Cholestasis / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000453:epidemiology / Q000209:etiology; D011475:Prosthesis Failure; D015607:Stents / Q000009:adverse effects*