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Donor Gamma-Glutamyl Transferase Is Associated With Liver Allograft Discard and Failure

Theodore Zhang1, Brian Hickner1, Ronald Cotton2

  • 1School of Medicine, 3989Baylor College of Medicine, Houston, TX, USA.

Progress in Transplantation (Aliso Viejo, Calif.)
|March 17, 2021
PubMed

Insights

Donor Gamma-Glutamyl Transferase (GGT) levels impact liver transplant outcomes. High GGT increases discard risk, while low GGT may protect against graft failure, optimizing donor liver utilization.

Area of Science:

  • Hepatology
  • Transplant Surgery
  • Biochemistry

Background:

  • Liver transplantation faces a critical shortage of donor organs.
  • Maximizing the utility of available liver allografts is essential.
  • Predicting graft failure is crucial for patient and resource management.

Purpose of the Study:

  • To investigate the association between donor Gamma-Glutamyl Transferase (GGT) levels and liver allograft discard.
  • To determine the relationship between donor GGT and post-transplant graft failure.

Main Methods:

  • Multivariate analysis of 53,966 deceased liver donors.
  • Adjustment for donor clinical and demographic factors.
  • Analysis of graft failure data from 47,269 liver recipients.

Main Results:

  • Donor GGT significantly correlates with allograft discard, particularly levels >200 U/L (OR 2.74).
  • Donor GGT <20 U/L demonstrates a protective effect against graft failure (HR 0.91).
  • GGT is an independent predictor of liver discard and graft failure.

Conclusions:

  • Donor GGT levels should be integrated into allograft discard assessment during organ procurement.
  • Understanding GGT's role can improve donor liver selection and transplant success.
  • Further research into GGT's mechanistic role in graft survival is warranted.
Abstract

Keywords:
GGTLiver DiscardLiver FailureLiver TransplantationUNOS

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