Abstract
Background
Dominant stricture (DS) is a main cause of complication among patients with Primary Sclerosing Cholangitis (PSC). Endoscopic treatment options include dilation and plastic stenting, each with its own benefits and drawbacks.
Aims
The aim of the current study is to assess the safety and efficacy of fully-covered metal stent (FCMS) in these patients.
Methods
A retrospective study of PSC patients with refractory DS, defined as strictures resistance to conventional therapy (balloon dilatation, plastic biliary stent insertion or both) and who underwent FCMS insertion for 3 months were included. The primary outcome was defined as clinical and laboratory improvement, while secondary outcomes were DS resolution upon stent removal and cholangiographic DS recurrence at 12-months after FCMS extraction.
Results
Twenty patients were enrolled from January 2016 through January 2020. Improvement in weakness and pruritus were seen in 80% and 35%, 75% and 65%, 75% and 35% of patients at 1–3 and 6 months following FCMS removal, respectively. Similarly, consistent improvement in all liver enzymes and total bilirubin were seen in up to 6 month following stent removal. Only one patient (5%) needed premature FCMS removal due to cholangitis 1 week after stent placement and 2 cases (10%) of stent related pancreatitis were encountered. At 3-months all remaining stents were softly removed. Cholangiographic DS resolution was demonstrated in 13 patients (65%) after stent removal at 3-months, and DS recurred in 4 patients (4/13 = 30.7%) at 12-months following stent removal. Notably, only proximal biliary DS location showed a trend for DS recurrence (OR 28.6, P = 0.06).
Conclusion
Temporary 3 months duration FCMS was feasible, safe and effective treatment option among patients with PSC related refractory DS.
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Abbreviations
- DS:
-
Dominant stricture
- PSC:
-
Primary biliary sclerosing
- FCMS:
-
Fully-covered metal stent
- ALT:
-
Alanine aminotransferase
- AST:
-
Aspartate aminotransferase
- ALP:
-
Alkaline phosphatase
- GGT:
-
Gamma glutamyl transferase
- TB:
-
Total bilirubin
- DB:
-
Direct bilirubin
- OR:
-
Odds ratio
- CI:
-
Confidence interval
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EG and MM contributed to study design and concept. MM, TK and WS contributed to data collection and analysis. TK and WS wrote the draft of the manuscript. All authors approved the manuscript to be published.
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Wisam Sbeit, Tawfik Khoury, Eran Goldin and Mahmud Mahamid have no conflicts of interest or financial ties to disclose.
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Sbeit, W., Khoury, T., Goldin, E. et al. Three-months duration of fully-covered metal stent for refractory dominant extra-hepatic biliary stricture among primary sclerosing cholangitis patients: efficacy and safety. Surg Endosc 36, 2412–2417 (2022). https://doi.org/10.1007/s00464-021-08522-x
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DOI: https://doi.org/10.1007/s00464-021-08522-x