DOMINO HEPATIC TRANSPLANTATION USING THE LIVER FROM A PATIENT WITH FAMILIAL AMYLOID POLYNEUROPATHY

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Abstract
In transplantation, novel methods are required to augment the supply of donor organs. We report the first domino liver transplant in which a patient with familial amyloid polyneuropathy (FAP) received an orthotopic split liver graft, and her explanted liver was donated to another patient. Three successful liver transplants were thus achieved from the one cadaver liver. A cadaveric donor liver was split and the left lobe was grafted into a child with biliary atresia. The right lobe was transplanted into a woman with FAP associated with the transthyretin Met30 variant. Her own otherwise healthy liver was donated to a patient with cirrhosis and hepatocellular carcinoma. Fifteen months after transplantation, all three recipients are well with normal liver function. The domino recipient developed inferior vena cava stricturing at the level of anastomosis after surgery with resultant ascites, requiring dilatation and LeVeen shunt insertion. Serum amyloid P component scintigraphy showed amyloid regression in the domino donor and to date has not identified any amyloid deposits in the recipient, who also remains free of tumor recurrence. Domino transplantation using the livers from patients with FAP may be justified for patients whose disease condition precludes a long spell on the waiting list, including those with hepatic malignancies and those for whom palliation rather than long-term cure is the aim.