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To investigate clinical outcomes of percutaneous transhepatic treatment for biliary stricture after duct-to-duct biliary anastomosis in living donor liver transplantation (LDLT).This retrospective study examined baseline characteristics, procedural details, clinical outcomes, drainage catheter removal rate within 8 months, and recurrence after catheter removal using patients' medical records and images. Risk factors for failure of drainage catheter removal within 8 months and recurrence of biliary stricture after drainage catheter removal were assessed via univariable and multivariable analyses.A total of 112 patients (53.4 ± 8.79 years, 91 men) were evaluated. Multiple drainage catheters were placed in 75 patients (70.0%). Drainage catheters were successfully removed in 107 patients (95.5%). Failure of drainage catheter removal within 8 months was associated with hepatic artery complications (p = 0.034) and strictures requiring alternative passage techniques (p = 0.034). The cumulative primary patency rates after drainage catheter removal at 1, 2, 3, and 5 years were 85.4%, 79.8%, 75.8%, and 68.4%, respectively. Recurrence of biliary stricture was associated with the presence of an untreated isolated sectoral duct (aHR, 3.632; 95% CI, 1.086-12.150, p = 0.037) and with concurrent bile leaks (aHR, 2.475; 95% CI, 1.090-5.621, p = 0.031).Percutaneous transhepatic treatment was effective for the treatment of biliary strictures after duct-to-duct biliary anastomosis in LDLT. Multiple drainage catheter maintenance was needed because multiple strictures often occurred in these patients.• Percutaneous transhepatic treatments are useful and effective for the treatment of biliary stricture after duct-to-duct biliary anastomosis in living donor liver transplantation (LDLT), although an endoscopic approach is available for this type of reconstruction. • Multiple drainage catheters were frequently placed in these patients because of multiple complex strictures. • We found that recurrence after drainage catheter removal was associated with isolation of the sectoral duct and with concurrent bile leaks. |
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