Background/aims: To clarify the surgical outcome and propose an appropriate strategy for biliary stricture (BS) treatment after living donor liver transplantation (LDLT).

Methodology: Among 53 patients who underwent LDLT at our institute, 45 patients had duct-to-duct anastomosis. Of these, 33 who survived for at least 12 months after LDLT comprised the study group. Clinical parameters, BS treatment outcomes, and predictive factors for long-term patency were investigated.

Results: Eleven patients developed BS. Biliary leakage occurred significantly more frequently, and the number of external biliary tubes was significantly lower than the number of graft bile-duct openings, in the BS group compared with the non-BS group (p=0.001 and 0.004). Multivariate analysis showed that the number of external biliary tubes was the only risk factor. Long-term patency was achieved in two patients in whom stents were retained for more than 20 months, which was significantly longer than in other patients (p=0.01). Identical stent-retention for more than 6 months was a risk factor for cholangitis.

Conclusions: The number of external biliary tubes should match the number of graft bile-duct openings. When BS occurs, the duration of stent retention should be more than 20 months, and stents should be exchanged at least every 6 months.

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Source
http://dx.doi.org/10.5754/hge12285DOI Listing

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