Table 2.
Perfusate samples | Hepatic arterial and hepatic venous biochemistry (point of care) | Preperfusion Every 30 min during perfusion |
Cobas point-of-care desktop analyser |
Perfusate supernatant | Preperfusion Every 15 min for first hour Every hour thereafter |
5×1 mL aliquots Stored at −80°C | |
Liver samples | Liver biopsy | L1 Preperfusion L2 After 4 hours L3 at end of perfusion* L4 Postreperfusion |
16 G core needle biopsy Divided into segment for formalin, segment for frozen and piece for electron microscopy |
Common bile duct | CBD1 Preperfusion CBD2 Postreperfusion |
Formalin | |
Bile samples | (If produced) | B2 sample at 2 hours B4 sample at 4 hours B6 sample at 6 hours |
Total volume recorded and 2 mL samples snap frozen at these time-points |
Patient samples | Biochemistry haematology clotting |
Visits 1, 2, 3, 4, extended follow-up | Standard of care |
Serum, plasma, mononuclear cells (PBMC) | Visit 1 (preoperative (postinduction of anaesthesia), postreperfusion day 4 postoperative) Visits 2, 3, 4, |
Additional research samples | |
Urine | Visit 1 (pre-operative [post-induction], postreperfusion Day four post-op) |
Additional research samples |
*If lasting longer than 6 hours.
PBMC, peripheral blood mononuclear cell.