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[Liver and artificial liver]

R A Chamuleau¹

¹Afd. Maag-, Darm- en Leverziekten, Academisch Medisch Centrum/Universiteit van Amsterdam.

Nederlands Tijdschrift Voor Geneeskunde

|September 30, 1998

Summary

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Bioartificial livers offer a temporary solution for severe liver failure, bridging the gap to transplantation. Current research focuses on porcine hepatocytes, with clinical trials showing promise but needing further controlled studies.

Area of Science:

Hepatology
Biomedical Engineering
Regenerative Medicine

Context:

Fulminant hepatic failure necessitates temporary liver support.
Orthotopic liver transplantation has limitations.
Existing non-biological artificial livers have shown limited success.

Purpose:

To develop an effective and safe artificial liver to bridge patients to liver transplantation or regeneration.
To evaluate the efficacy and safety of bioartificial liver devices in patients with severe liver failure.

Summary:

Bioartificial livers utilize porcine hepatocytes or human hepatoblastoma cells within semipermeable hollow fibers.
These devices are connected extracorporeally for approximately 6 hours.
Phase I trials in ~40 patients with severe liver failure reported no significant adverse effects.

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Impact:

Bioartificial livers show potential to increase patient survival in liver failure.
Further controlled studies are crucial to establish clinical efficacy.
Porcine hepatocytes are currently the preferred cell source, pending prevention of pathogen transmission.