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Published on: April 2, 2017
Outcomes and mechanisms of ischemic preconditioning in liver transplantation
Sheng Yan1, Li-Ming Jin, Yuan-Xing Liu
1First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Background:
Liver transplantation is so far the most effective therapeutic modality for end-stage liver diseases, but ischemia/reperfusion (I/R) injury represents a critical barrier to liver transplantation. Primary graft dysfunction and small-for-size syndrome are closely associated with I/R injury. Ischemic preconditioning (IPC) is defined as a brief period of liver ischemia followed by reperfusion, and has demonstrated protections against a prolonged I/R injury and improved the capacity of regeneration. The article aimed to review IPC literatures for the understanding of the effects of IPC on I/R injury involving in the procurement of donor liver and protective mechanisms.
Data Sources:
A literature search of MEDLINE and Web of Science databases using "liver transplantation", "liver regeneration", "hepatectomy", "ischemia/reperfusion" and "ischemic preconditioning" was performed, and then a large amount of related data was collected.
Results:
The literature search provided a huge amount of evidence for the protective effects of IPC on I/R injury in liver transplantation, including reduction of blood loss in hepatectomy, intraoperative hemodynamic stability and its significant role in liver regeneration. The mechanism involves in balancing inflammatory cytokines, enhancing energy status and mitigating microcirculatory disturbance.
Conclusion:
IPC plays an essential role in hepatectomy before and after harvest of living donor liver and implantation of liver graft.
