Classification and reconstruction of bile duct in pediatric split liver transplantation

Wei Jinming; Feng Xiao; Zeng Kaining; Yang Qing; Yao Jia; Fu Binsheng; Zhang Tong; Huang Xinru; Liu Boying; Chen Guihua; Yang Yang; Yi Shuhong

doi:10.3969/j.issn.1674-7445.2022.06.015

Volume 13 Issue 6

Nov. 2022

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Article Navigation > ORGAN TRANSPLANTATION > 2022 > 13(6): 791-796

Wei Jinming, Feng Xiao, Zeng Kaining, et al. Classification and reconstruction of bile duct in pediatric split liver transplantation[J]. ORGAN TRANSPLANTATION, 2022, 13(6): 791-796. doi: 10.3969/j.issn.1674-7445.2022.06.015

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Classification and reconstruction of bile duct in pediatric split liver transplantation

doi: 10.3969/j.issn.1674-7445.2022.06.015

Department of Liver Transplantation, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China

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Corresponding author: Yi Shuhong, Email: yishuhong@163.com
Received Date: 2022-07-20
Available Online: 2022-11-14
Publish Date: 2022-11-15

Abstract

Abstract

Objective To investigate the anatomical classification of left intrahepatic bile duct (LHD) and the pattern of bile duct reconstruction during pediatric split liver transplantation and their relationship with postoperative biliary complications. Methods Clinical data of 75 pediatric recipients undergoing split liver transplantation were analyzed retrospectively. Before splitting the donor liver, iopromide injection was used for retrograde cholangiography through the common bile duct. According to the patterns of intrahepatic bile ducts in the second, third and fourth segments, the anatomical classification of LHD of the donor liver was determined. The biliary reconstruction regimens for different classification types of LHD were summarized. The incidence and treatment of biliary complications after pediatric split liver transplantation were analyzed. Results Among 75 donor livers, the anatomical classification of LHD included 57 cases (76%) of type Ⅰ, 9 cases (12%) of type Ⅱ, 4 cases (5%) of type Ⅲ and 5 cases (7%) of type Ⅳ LHD, respectively. Among 75 pediatric recipients, 69 cases (53 cases of type Ⅰ, 8 type Ⅱ, 4 type Ⅲ and 4 type Ⅳ) underwent the left hepatic duct-jejunum Roux-en-Y anastomosis, 1 case received common bile duct-jejunum Roux-en-Y anastomosis (type Ⅳ), and 5 cases underwent the left hepatic duct-common bile duct end-to-end anastomosis (4 cases of type Ⅰ and 1 type Ⅱ). Postoperative biliary complications occurred in 6 cases (8%), including 3 cases of biliary anastomotic stenosis, 2 cases of biliary anastomotic leakage and 1 case of bile leakage on the hepatic resection surface. Among 6 recipients, 4 cases were classified as type Ⅰ and 2 cases of type Ⅲ LHD. No significant difference was observed in the incidence of biliary complications between typical type and anatomical variant type of LHD (all P > 0.05). Among 3 recipients with biliary anastomotic stenosis, 2 cases underwent percutaneous transhepatic cholangial and drainage (PTCD) and 1 case repeatedly received biliary-intestinal anastomosis. Two cases of biliary anastomotic leakage underwent PTCD and 1 case of bile leakage on the hepatic resection surface received local drainage. All 6 children survived after treatment. Conclusions Anatomical variation of LHD can be observed in 24% of donor livers, and type Ⅱ accounts for the highest proportion of 12%. Prior to donor liver splitting, routine cholangiography and fine biliary anastomosis may effectively lower the incidence of biliary complications. The incidence of postoperative biliary complications is not significantly associated with the anatomical classification of LHD.
- Split liver transplantation,
- Children,
- Left intrahepatic bile duct,
- Anatomical classification,
- Cholangiography,
- Biliary reconstruction,
- Biliary anastomotic stricture,
- Bile leakage

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References

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Classification and reconstruction of bile duct in pediatric split liver transplantation

doi: 10.3969/j.issn.1674-7445.2022.06.015

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Classification and reconstruction of bile duct in pediatric split liver transplantation

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