Difficult removal of fully covered Self Expandable Metal Stents (SEMS) for benign biliary strictures: The “SEMS in SEMS” technique

Andrea Tringali, Pietro Familiari, Vincenzo Perri, Guido Costamagna, Ivo Boskoski, Daniel Blero, Jacques Devière

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

BACKGROUND: Removal of biliary Fully Covered Self Expandable Metal Stents can fail due to stent migration and/or hyperplastic ingrowth/overgrowth. METHODS: A case series of 5 patients with benign biliary strictures (2 post-cholecystectomy, 2 following liver transplantation and 1 related to chronic pancreatitis) is reported. The biliary stricture was treated by temporary insertion of Fully Covered Self Expandable Metal Stents. Stent removal failed due to proximal stent migration and/or overgrowth. Metal stent removal was attempted a few weeks after the insertion of another Fully Covered Metal Stent into the first one. RESULTS: The inner Fully Covered Self Expandable Metal Stent compressed the hyperplastic tissue, leading to the extraction of both the stents in all cases. Two complications were reported as a result of the attempt to stents removal (mild pancreatitis and self-limited haemobilia). CONCLUSION: In the present series, the "SEMS in SEMS" technique revealed to be effective when difficulties are encountered during Fully Covered Self Expandable Metal Stents removal.
Original languageEnglish
Pages (from-to)568-571
Number of pages4
JournalDIGESTIVE AND LIVER DISEASE
Volume46
DOIs
Publication statusPublished - 2014

Keywords

  • Benign biliary strictures
  • Fully covered self expandable metal stent
  • SEMS removal

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