Comparison of Hypothermic Versus Normothermic Ex-vivo Preservation.

Study groups: The study is a multicenter (Pisa and Milan), prospective, randomized study comparing D-HOPE (HMP) vs NMP in DCD and ECD-DBD (extended criteria brain-dead donors). Once a DCD or a DBD with extended criteria (ECD-DBD) meets the inclusion criteria, they are randomized as follow: 1. 20 liver grafts from DCD after normothermic regional perfusion (NRP) matching the inclusion criteria are randomized 1:1 to hypothermic machine perfusion (HMP) vs normothermic machine perfusion (NMP) and then transplanted. 2. 40 liver grafts from ECD-DBD matching the inclusion criteria are randomized 1:1 to hypothermic machine perfusion (HMP) vs normothermic machine perfusion (NMP) and then transplanted