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Background The transplantation of the right lobe of a liver from a living adult donor into an adult recipient has been performed increasingly frequently in the United States. Although the use of grafts from living donors is standard practice in transplantation in children, their use in adults remains controversial.
Methods To study the use of liver transplantation from a living donor, we sent a 24-item questionnaire to all liver-transplantation programs in the United States. Data on indications, evaluation, and outcomes were analyzed with the use of univariate and multivariate methods. Data on recent transplantations were gathered from the Scientific Registry of Transplant Recipients and directly from the transplantation programs.
Results Questionnaires were returned by 84 of the 122 programs (69 percent) describing the results of 449 adult-to-adult transplantations of partial livers from living donors that were performed in 42 centers. Fourteen centers had performed more than 10 such transplantations each and together accounted for 80 percent of such transplantations. Centers that performed such transplantations also performed more transplantations of livers from cadaveric donors and more transplantations from living donors in children than centers that did not perform the adult-to-adult procedure (P=0.002 and P=0.001, respectively). A total of 45 percent of potential donors who were evaluated eventually donated a lobe of their liver; 99 percent of these donors were genetically or emotionally related to the recipient. Complications in the donor were more frequent in the centers performing the fewest transplantations from living donors in adults and included biliary complications requiring intervention (in 6.0 percent), reoperation (in 4.5 percent), and death (in one donor [0.2 percent]). Among the recipients, 1.6 percent did not meet criteria for receipt of a cadaveric transplant; cancer, retransplantation, and acute liver failure were uncommon indications for transplantation from a living donor. Biliary complications occurred in 22.0 percent of recipients, and vascular complications occurred in 9.8 percent.
Conclusions Adult-to-adult liver transplantation from a living donor is increasingly performed in the United States but is concentrated in a few large-volume centers. Mortality among donors is low, but complications in the donor are relatively common.
Source Information
From the Department of Medicine, Columbia University College of Physicians and Surgeons, New York (R.S.B.); the Center for Liver Disease and Transplantation, New York Presbyterian Hospital, New York (R.S.B., M.W.R., M.L., M.C.R.); the Department of Medicine, Virginia Commonwealth University Health System, Richmond (M.L.S.); and the Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Md. (J.E.E., J.H.H.).
Address reprint requests to Dr. Brown at the Center for Liver Disease and Transplantation, Columbia Presbyterian Medical Center, 622 W. 168th St., PH 14, New York, NY 10036, or at rb464{at}columbia.edu.
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