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Hepatocyte transplantation is emerging as an additional modality of treatment for patients with acute liver failure or liver-based metabolic disorders. The procedure requires isolation of high-quality hepatocytes from unused donor livers. Hepatocytes were isolated from 20 donor livers (11 right lobes, 3 left lateral segments, 6 whole livers) using a collagenase perfusion technique. Cell viability (median 56%, range 13–95%) and yield (median 1.4 × 109 cells, range 2.0 × 106–1.8 × 1010 cells) varied according to the tissue available. Fatty livers rejected for transplantation gave lower cell viability (median 45%, range 25–59%). There was a significant correlation between age of donor (median 21 years, range 7–66 years) and viability of isolated hepatocytes in vitro (r = −0.683, p = 0.001). The 13 segments of livers were from reduced/split grafts used for clinical transplantation in 9 children and 4 adults. There was no significant correlation between in vitro cell viability and clinical parameters including intensive care stay, serum aspartate aminotransferase, and international normalized ratio (in the first 7 days), and allograft rejection or other early posttransplant complications, in patients transplanted with the corresponding tissue.

Human Hepatocyte Isolation and Relationship of Cell Viability to Early Graft Function