Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
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Because of the ongoing epidemics of obesity and diabetes, nonalcoholic steatohepatitis (NASH) may become a leading indication for liver transplantation. There are concerns about the posttransplant survival of patients with NASH because of associated cardiovascular and metabolic risk factors. We aimed to determine recent trends in the proportion of patients undergoing transplantation for NASH-related cirrhosis in the United States and to estimate their posttransplant survival. ⋯ The proportion of liver transplants performed for NASH-related cirrhosis increased dramatically from 1.2% in 1997-2003 to 7.4% in 2010 when NASH was the fourth most common indication for transplantation. The posttransplant survival of patients with NASH (n = 1810) at 1 (87.6%), 3 (82.2%), and 5 years (76.7%) was superior to the survival of patients with hepatocellular carcinoma, hepatitis C virus, alcoholic liver disease, acute hepatic necrosis, hemochromatosis, or cryptogenic liver disease and was inferior to the survival of only 4 groups of patients (those with primary biliary cirrhosis, primary sclerosing cholangitis, autoimmune hepatitis, or hepatitis B virus). In conclusion, NASH-related cirrhosis is increasing rapidly as an indication for liver transplantation in the United States and is associated with excellent posttransplant survival.
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Randomized Controlled Trial Multicenter Study Comparative Study
A randomized, multicenter study comparing steroid-free immunosuppression and standard immunosuppression for liver transplant recipients with chronic hepatitis C.
This randomized, prospective, multicenter trial compared the safety and efficacy of steroid-free immunosuppression (IS) to the safety and efficacy of 2 standard IS regimens in patients undergoing transplantation for hepatitis C virus (HCV) infection. The outcome measures were acute cellular rejection (ACR), severe HCV recurrence, and survival. The patients were randomized (1:1:2) to tacrolimus (TAC) and corticosteroids (arm 1; n = 77), mycophenolate mofetil (MMF), TAC, and corticosteroids (arm 2; n = 72), or MMF, TAC, and daclizumab induction with no corticosteroids (arm 3; n = 146). ⋯ The side effects of IS did not differ, although there was a trend toward less diabetes in the steroid-free group. Liver biopsy samples revealed no significant differences in the proportions of patients in arms 1, 2, and 3 with advanced HCV recurrence (ie, an inflammation grade ≥ 3 and/or a fibrosis stage ≥ 2) in years 1 (48.2%, 50.4%, and 43.0%, respectively) and 2 (69.5%, 75.9%, and 68.1%, respectively). Although we have found that steroid-free IS is safe and effective for liver transplant recipients with chronic HCV, steroid sparing has no clear advantage in comparison with traditional IS.
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Case Reports
Late-onset carbamoyl phosphate synthetase 1 deficiency in an adult cured by liver transplantation.
Urea cycle disorders (UCDs) are rare causes of hyperammonemic encephalopathy in adults. Most UCDs present in childhood and, if unrecognized, are rapidly fatal. ⋯ A diagnosis of carbamoyl phosphate synthetase type 1 deficiency was made, and the patient was referred for liver transplantation. One year after liver transplantation, the patient had normal plasma ammonia concentrations and had returned to work.
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Living liver donation is a successful treatment for patients with end-stage liver disease. Most adults are provided with a right lobe graft to ensure a generous recipient liver volume. Some centers are re-exploring the use of smaller left lobe grafts to potentially reduce the donor risk. ⋯ In conclusion, this analysis demonstrates a significant correlation between the residual liver volume and liver dysfunction, serious adverse postoperative events, and longer hospital stays. Donor safety should be the first priority of all living liver donor programs. We propose that the surgical procedure removing the smallest amount of the liver required to provide adequate recipient graft function should become the standard of care for living liver donation.