A standard OLT was defined as deceased donor transplantation of a standard criteria donor (SCD) whole organ after static cold storage (SCS) from a donation after brain death (DBD). The recipient hepatectomy was performed by retrohepatic caval resection without a veno-venous bypass, and the biliary anastomosis by duct-to-duct reconstruction. Deviations from this technique (e.g., split liver donation, extended criteria donation (ECD), donation after circulatory determination of death (DCD), the use of a veno-venous bypass, an inferior vena cava preservation by “piggyback” technique, or a Roux-en-y choledochojejunostomy) were recorded.
Extended criteria donors were defined according to the Eurotransplant Foundation rules by the following criteria: donor age >65 years, ICU stay with ventilation > 7 days, donor BMI > 30 kg/m2, hepatic steatosis > 40%, serum sodium > 165 mmol/L, alanine aminotransferase (ALT) > 105 U/L, aspartate aminotransferase (AST) > 90 U/L, total bilirubin > 3 mg/dL, and DCD [42 (link)].
Normothermic machine perfusion (NMP) was introduced at our center in February 2018 and has meanwhile been implemented in a daily routine for the following indications [43 (link)]:

Donor-related: in cases of ECD, especially if prolonged ischemia times are expected

Recipient-related: in cases of surgically highly complex recipients or high-risk patients

Logistic-related: in case of limited resources (e.g., parallel organ transplantations or overlap with other urgent interventions).

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