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CN 22-1108/R
Volume 40 Issue 11
Nov.  2024
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Article Navigation >  Journal of Clinical Hepatology  > 2024  >  40(11): 2253-2259

Risk factors for biliary stricture and prognosis after orthotopic liver transplantation

DOI: 10.12449/JCH241119

  • First Department of Hepatobiliary and Pancreatic Surgery，General Surgery Center，The First Hospital of Jilin University，Changchun 130021，China

Research funding:

Jilin Province Medical and Health Talents Special Project (JLSWSRCZX2021-074)

More Information
  • Corresponding author: YE Junfeng， yejunfeng@jlu.edu.cn （ORCID： 0000-0001-5330-9712）
  • Received Date: 2024-02-22
  • Accepted Date: 2024-04-08
  • Published Date: 2024-11-25
    Abstract
  •   Objective  To investigate the risk factors for biliary stricture within two years after orthotopic liver transplantation， and analyze the survival.  Methods  A retrospective analysis was performed for the data of 495 patients who underwent liver transplantation at Liver Transplantation Center of The First Hospital of Jilin University from January 2014 to January 2022， and according to the presence or absence of biliary stricture within two years after liver transplantation， the 495 patients were divided into stricture group with 89 patients and non-stricture group with 406 patients. The risk factors for biliary stricture and prognosis were analyzed. The independent-samples t-test was used for comparison of normally distributed continuous data between two groups， and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between two groups； the chi-square test was used for comparison of categorical data between two groups. Univariate and multivariate Cox regression analyses were used for the analysis of risk factors， and the Kaplan-Meier method was used for survival analysis.  Results  Recipient sex （hazard ratio ［HR］=1.808， 95% confidence interval ［CI］： 1.055‍ ‍—‍ ‍3.098， P=0.031）， preoperative total bilirubin of the recipient （HR=1.002， 95%CI： 1.001 ‍—‍ 1.003， P=0.001）， cold ischemia time （HR=1.003， 95%CI： 1.001 ‍—‍ 1.005， P=0.007）， history of abdominal surgery for the recipient （HR=3.851， 95%CI： 2.273 ‍—‍ 6.524， P<0.001）， and mismatch of donor-recipient bile ducts （HR=1.962， 95%CI： 1.041 ‍—‍ 3.698， P=0.037） were identified as independent risk factors for biliary stricture within two years after transplantation. The median follow-up time was 4.09 years， and the 1-， 3-， and 5-year survival rates were 92.7%， 80.5%， and 75.4%， respectively， after liver transplantation. The onset of biliary stricture within two years after liver transplantation had no significant impact on the survival of patients undergoing orthotopic liver transplantation.  Conclusion  Recipient sex， preoperative total bilirubin of the recipient， cold ischemia time， history of abdominal surgery for the recipient， and mismatch of donor-recipient bile ducts are independent risk factors for biliary stricture within two years after transplantation. The onset of biliary stricture within two years after transplantation does not affect the survival time of patients undergoing orthotopic liver transplantation.

     

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