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. 2025 Apr 30;112(5):znae321.
doi: 10.1093/bjs/znae321.

Consensus classification of biliary complications after liver transplantation: guidelines from the BileducTx meeting

Affiliations

Consensus classification of biliary complications after liver transplantation: guidelines from the BileducTx meeting

Hannah Esser et al. Br J Surg. .
No abstract available

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Figures

Fig. 1
Fig. 1
Factors contributing to the development of post-transplant cholangiopathy During the procurement and transplant process cholangiocytes are exposed to ischaemia-mediated injury resulting in damage to mitochondria and the subsequent release of reactive oxygen species (ROS). If ROS can’t be scavenged by antioxidants, cholangiocytes can become apoptotic or necrotic and contribute to inflammatory processes by releasing cytokines a. The majority of (distal) cholangiocytes suffers profound damage during the liver transplant process. Lost surface epithelium needs to be repaired by the surviving cholangiocyte population. The regenerative capacity of the remaining cholangiocytes is negatively impacted by factors such as cellular senescence, an irreversible cell cycle arrest preventing cholangiocyte proliferation and contributing to inflammation b, and local hypoxia caused by damage to the peribiliary vascular plexus c. If the restoration of the surface epithelium is impaired, increased bile toxicity and collapse of the bicarbonate umbrella aggravate biliary injury d, triggering an ongoing wound-healing response which results in fibrosis and stricturing.
Fig. 2
Fig. 2
Classification of biliary complications following liver transplantation
Fig. 3
Fig. 3
Suggested classification for grading of biliary complications following liver transplantation

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