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. 2017 Nov 28;7(11):e017733. doi: 10.1136/bmjopen-2017-017733

Table 2.

Trial sample collection schedule

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.