Journal of visualized experiments : JoVE · 2020
Avoiding Ischemia Reperfusion Injury in Liver Transplantation.
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Zhang Yixi, Huang Changjun, Ju Weiqiang, Zhao Qiang, Chen Maogen, Wang Linhe, Wang Dongping, Wu Linwei, Zhu Zebin, Huang Shanzhou, Zhang Zhiheng, Zhu Caihui, Xie Rongxing, Chen Yinghua, Hu Anbin, Zhu Xiaofeng, Guo Zhiyong, He Xiaoshun
Аннотация
Currently, ex situ machine perfusion is a burgeoning technique that provides a better preservation method for donor organs than conventional static cold preservation (0-4 °C). A continuous blood supply to organs using machine perfusion from procurement and preservation to implantation facilitates complete prevention of ischemia reperfusion injury and permits ex situ functional assessment of donor livers before transplantation. In this manuscript, we provide a step-by-step ischemia-free liver transplantation protocol in which an ex situ normothermic machine perfusion apparatus is used for pulsatile perfusion through the hepatic artery and continuous perfusion of the portal vein from human donor livers to recipients. In the perfusion period, biochemical analysis of the perfusate is conducted to assess the metabolic activity of the liver, and a liver biopsy is also performed to evaluate the degree of injury. Ischemia-free liver transplantation is a promising method to avoid ischemia-reperfusion injury and may potentially increase the donor pool for transplantation.