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Reconstruction of Separated Intrahepatic Ducts Using the Cystic and Common Hepatic Ducts in Right-Lobe Living-Donor Liver Transplantation: Experiences of Surgical Techniques, Biliary Complications, and Outcomes in a Single Institution.

ABSTRACT: BACKGROUND Duct-to-duct biliary reconstruction has been increasingly used in living-donor liver transplantation. Information regarding dual duct-to-duct biliary anastomoses is limited. We present the largest case series to date on the use of the cystic and common hepatic ducts as dual-ductal anastomosis, along with long-term follow-up results. MATERIAL AND METHODS In this study, 740 patients underwent right-lobe living-donor liver transplantation; 56 of them were documented as dual-ductal anastomoses. We analyzed recipient and donor characteristics, surgical procedures, appearance of biliary complications, corresponding interventions, and long-term biliary outcomes. RESULTS Cystic and common hepatic ducts were utilized in 56 cases of dual-ductal biliary reconstruction, which we categorized into 2 types: A (78.6%), in which the right anterior intrahepatic duct was anastomosed to the common hepatic duct and the right posterior intrahepatic duct to the cystic duct; and B (21.4%), which was the reverse of A. After a median follow-up period of 46.4 months, 23 patients (41.1%) experienced complications, including biliary leakage and biliary stricture. However, after aggressive intervention (patent biliary anastomosis in most of them), 50 of 56 patients (89.3%) had patent biliary anastomosis and restored normal liver function at the end of follow-up. A small graft (graft-to-recipient weight ratio <0.9%) was the only predictor of biliary complications after multivariate analysis. CONCLUSIONS Dual-ductal biliary reconstruction in adult right-lobe living-donor liver transplantation is challenging but feasible. Our findings support the use of the cystic duct for reconstruction in selected patients. Good long-term results can be achieved with adequate management of patients with biliary complications.

SUBMITTER: Hsu PJ

PROVIDER: S-EPMC8744362 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:To analyze the outcomes of living-donor liver transplantation (LDLT) using left-lobe (LL) or right-lobe (RL) small-for-size (SFS) grafts.Prospectively collected data of adult patients who underwent LDLT at our hospital in the period from January 2003 to December 2013 were reviewed. The patients were divided into the RL-LDLT group and the LL-LDLT group. The two groups were compared in terms of short- and long-term outcomes, including incidence of postoperative complication, graft function, graft survival, and patient survival. A SFS graft was defined as a graft with a ratio of graft weight (GW) to recipient standard liver volume (RSLV) (GW/RSLV) of < 50%. The Urata formula was used to estimate RSLV.Totally 218 patients were included for analysis, with 199 patients in the RL-LDLT group and 19 patients in the LL-LDLT group. The two groups were similar in terms of age (median, 53 years in the RL-LDLT group and 52 years in the LL-LDLT group, P = 0.997) but had significantly different ratios of men to women (165:34 in the RL-LDLT group and 8:11 in the LL-LDLT group, P < 0.0001). The two groups were also significantly different in GW (P < 0.0001), GW/RSLV (P < 0.0001), and graft cold ischemic time (P = 0.007). When it comes to postoperative complication, the groups were comparable (P = 0.105). Five patients died in hospital, 4 (2%) in the RL-LDLT group and 1 (5.3%) in the LL-LDLT group (P = 0.918). There were 38 graft losses, 33 (16.6%) in the RL-LDLT group and 5 (26.3%) in the LL-LDLT group (P = 0.452). The 5-year graft survival rate was significantly better in the RL-LDLT group (95.2% vs 89.5%, P = 0.049). The two groups had similar 5-year patient survival rates (RL-LDLT: 86.8%, LL-LDLT: 89.5%, P = 0.476).The use of SFS graft in LDLT requires careful tailor-made surgical planning and meticulous operation. LL-LDLT can be a good alternative to RL-LDLT with similar recipient outcomes but a lower donor risk. Further research into different patient conditions is needed in order to validate the use of LL graft.

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Reconstruction of Separated Intrahepatic Ducts Using the Cystic and Common Hepatic Ducts in Right-Lobe Living-Donor Liver Transplantation: Experiences of Surgical Techniques, Biliary Complications, and Outcomes in a Single Institution.

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