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Ornithine Transcarbamylase Deficiency (OTC) in the Donor Liver, the Importance of Ascertaining the Cause of Death in the Brain Dead Donor.

M. George,1 G. Thomas,1 A. Shun,1 M. Stormon.2

1Paediatric Surgery and Transplant Surgery, Children's Hospital at Westmead, Sydney, NSW, Australia
2Paediatric Gastroenterology, Children's Hospital at Westmead, Sydney, NSW, Australia

Meeting: 2017 American Transplant Congress

Abstract number: B280

Keywords: Brain death, Liver, Pediatric, Rejection

Session Information

Session Name: Poster Session B: Pediatric Liver Transplant - Clinical

Session Type: Poster Session

Date: Sunday, April 30, 2017

Session Time: 6:00pm-7:00pm

 Presentation Time: 6:00pm-7:00pm

Location: Hall D1

The importance of ascertaining the cause of brain death in the donor is vital . We present a case of cadaveric liver donation (seg 2 and 3) to a paediatric patient who had previous chronic rejection of liver transplant for fulminant non A-G hepatitis.

It was later found out that the donor had OTC (Ornithine Transcarbomoylase Deficiency). The issue came in to focus when the adult recipient of the split liver developed encephalopathy and died. Genetic testing of the donor liver revealed OTC gene mutation. The death of the donor was due to seizures and encephalopathy. After further testing of donor body fluids and tissue it was identified that the donor died due to seizures and encephalopathy resulting from an undiagnosed urea cycle disorder (OTC deficiency)

The paediatric recipient with the OTC deficient liver is managed under the guidance of the metabolic team with restriction of protein intake and diet supplementation at times of illness or stress. The patient is doing well.

The lesson that we learnt was education and awareness of OTC deficiency in adult patients and the importance of having a clear cause of brain death in the donor.

CITATION INFORMATION: George M, Thomas G, Shun A, Stormon M. Ornithine Transcarbamylase Deficiency (OTC) in the Donor Liver, the Importance of Ascertaining the Cause of Death in the Brain Dead Donor. Am J Transplant. 2017;17 (suppl 3).

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To cite this abstract in AMA style:

George M, Thomas G, Shun A, Stormon M. Ornithine Transcarbamylase Deficiency (OTC) in the Donor Liver, the Importance of Ascertaining the Cause of Death in the Brain Dead Donor. [abstract]. Am J Transplant. 2017; 17 (suppl 3). https://atcmeetingabstracts.com/abstract/ornithine-transcarbamylase-deficiency-otc-in-the-donor-liver-the-importance-of-ascertaining-the-cause-of-death-in-the-brain-dead-donor/. Accessed May 28, 2025.

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