Endoscopic retrograde cholangiography and percutaneous transhepatic cholangiodrainage in biliary strictures after liver transplantation: Long-term outcome predictors and influence on patient survival

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Erscheinungsjahr:
2019
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Text
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  • BACKGROUND & AIMS: Biliary strictures are common complications after orthotopic liver transplantation. Endoscopic retrograde cholangiography evolved as standard and percutaneous transhepatic cholangiodrainage as alternative therapy. This study analysed predictors of long-term success of biliary strictures after endoscopic retrograde cholangiography and/or percutaneous transhepatic cholangiodrainage and its impact on patient survival.

    METHODS: All adult patients with biliary strictures receiving endoscopic retrograde cholangiography and/or percutaneous transhepatic cholangiodrainage between 2009 and 2015 at the University Medical Center Hamburg-Eppendorf were retrospectively analysed. Potential predictors of long-term success (≥12 months) were identified by univariate and logistic regression analyses. Patient survival was analysed by Kaplan-Meier method and log-rank test.

    RESULTS: Hundred and sixteen patients were treated with endoscopic retrograde cholangiography and/or percutaneous transhepatic cholangiodrainage, including 67 patients with anastomotic strictures, 22 with nonanastomotic strictures and 27 with both stricture types. Eighty-five patients received endoscopic retrograde cholangiography, 17 percutaneous transhepatic cholangiodrainage and 14 both techniques. Long-term success was achieved in 60 patients (52%). Predictors of treatment failure were a preinterventional C-reactive protein >8 g/dL in anastomotic strictures (P = 0.039) and a body mass index ≤21 kg/m2 in nonanastomotic strictures (P = 0.021). In patients who received endoscopic retrograde cholangiography only, balloon dilatation of anastomotic strictures with larger diameters favoured success (P = 0.015). Achievement of long-term success was associated with prolonged patient survival in anastomotic strictures (P = 0.036) and nonanastomotic strictures (P = 0.025), but not in combined strictures (P = 0.739).

    CONCLUSION: In post-orthotopic liver transplantation biliary strictures treated by endoscopic retrograde cholangiography and/or percutaneous transhepatic cholangiodrainage, patient BMI and preinterventional C-reactive protein may influence prognosis. Endoscopic retrograde cholangiography with larger balloon diameter may favour success in anastomotic strictures. Long-term success by endoscopic retrograde cholangiography and/or percutaneous transhepatic cholangiodrainage is associated with superior survival in patients with anastomotic strictures and nonanastomotic strictures only.

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  • info:eu-repo/semantics/restrictedAccess
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Forschungsinformationssystem des UKE

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