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Related Experiment Video

Updated: May 9, 2025

Normothermic Ex Vivo Pancreas Perfusion for the Preservation of Pancreas Allografts before Transplantation
09:01

Normothermic Ex Vivo Pancreas Perfusion for the Preservation of Pancreas Allografts before Transplantation

Published on: July 27, 2022

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New methods for improving pancreas preservation.

Mohamed A Elzawahry1, Trevor Reichman2, Andrew Sutherland3

  • 1Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK; Oxford Transplant Centre, Headington, Oxford, UK.

Current Opinion in Organ Transplantation
|May 2, 2025
PubMed
Summary
This summary is machine-generated.

Novel preservation techniques for pancreas and islet transplants are improving graft utilization and survival, especially from donation after circulatory death (DCD) donors. These advanced methods offer hope for expanding the donor pool and enhancing transplant success rates.

Keywords:
beta-cell replacementischemia-reperfusion injuryislet transplantationmachine perfusionpancreas transplantation

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Area of Science:

  • Transplantation immunology
  • Organ preservation science
  • Surgical innovation

Background:

  • Pancreas and islet transplantation face organ shortages, limiting patient access.
  • Discarding grafts due to ischemia-reperfusion injury concerns, especially from DCD donors, exacerbates shortages.
  • Current static cold storage has significant limitations for graft preservation.

Purpose of the Study:

  • To review novel preservation technologies for pancreas and islet grafts.
  • To assess the potential of these technologies to improve transplant outcomes and expand donor pools.
  • To address challenges in utilizing grafts from donation after circulatory death (DCD) donors.

Main Methods:

  • Review of recent advancements in organ preservation techniques, including machine perfusion (hypothermic and normothermic).
  • Analysis of data on pancreas utilization and graft survival using novel preservation methods.
  • Evaluation of preclinical and clinical findings related to advanced preservation strategies.

Main Results:

  • Normothermic regional perfusion in DCD donors increased pancreas utilization with one-year graft survival comparable to donation after brain-death (DBD) donors.
  • Hypothermic machine perfusion demonstrates preclinical promise for maintaining tissue integrity.
  • Oxygenated hypothermic machine perfusion successfully restored ATP levels without injury; normothermic machine perfusion shows potential for viability assessment.

Conclusions:

  • Advanced preservation technologies offer platforms for graft assessment, reconditioning, and therapeutic interventions.
  • Clinical translation requires consensus on optimized perfusion parameters and perfusate composition.
  • Future efforts must focus on sensitive assessment methods, including beta-cell biomarkers, for selecting marginal grafts.