4.8 Review

Obstacles to implement machine perfusion technology in routine clinical practice of transplantation: Why are we not there yet?

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Summary: Liver graft utilization rates and discard rates vary across countries, with machine perfusion strategies contributing to better DCD utilization rates. Risk factors and use of various machine perfusion techniques vary between countries, but this does not significantly impact 5-year graft survival rates. Overall, countries with routine use of machine perfusion strategies have higher DCD utilization rates without compromised outcomes.

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Summary: This paper describes a case series of DCD donors of liver and kidneys, investigating the changes in inflammatory cytokine levels before and after hemadsorption during normothermic reperfusion. It was observed that hemadsorption led to a reduction in IL-10 and TNF-alpha levels, and successful transplantation of all organs was achieved without significant complications.

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Current practice of normothermic regional perfusion and machine perfusion in donation after circulatory death liver transplants in Italy

Riccardo De Carlis et al.

Summary: This survey shows that NRP with subsequent MP is the most commonly used protocol for DCD livers in Italy, although there is heterogeneity in the type and purpose of MP between centers.

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Hypothermic oxygenated perfusion in extended criteria donor liver transplantation-A randomized clinical trial

Matteo Ravaioli et al.

Summary: Hypothermic Oxygenated Perfusion (HOPE) of the liver can reduce the incidence of early allograft dysfunction (EAD) and failure in extended criteria donors (ECD) grafts. Compared to the traditional static cold storage (SCS) method, HOPE is associated with better graft survival.

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In situ normothermic regional perfusion versus ex situ normothermic machine perfusion in liver transplantation from donation after circulatory death

Kayvan Mohkam et al.

Summary: In situ normothermic regional perfusion (NRP) and ex situ normothermic machine perfusion (NMP) have similar outcomes in liver transplantation and appear to match the expected benchmarks for donation after brain death livers. This study may provide insights for further trial design.

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Jule Dingfelder et al.

Summary: Significant progress has been made in the field of liver machine perfusion in recent years, and many large transplant centers have incorporated machine perfusion strategies into their clinical routine. However, there is limited research on the effects of normothermic machine perfusion on biliary injury, and further investigation is needed to evaluate criteria for assessing damage to the biliary tree and the impact on the biliary system.

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Hypothermic, oxygenated perfusion (HOPE) provides cardioprotection via succinate oxidation prior to normothermic perfusion in a rat model of donation after circulatory death (DCD)

Rahel K. Wyss et al.

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Zoltan Czigany et al.

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