Orthotopic liver transplantation (OLT) has greatly improved the chances of survival in patients with acute hepatic failure. However, this mode of treatment requires lifelong immunosuppressive medication and negates the potential recovery of the host liver. In theory, auxiliary heterotopic liver transplantation (HLT) offers the diseased host liver a chance to regenerate, so that immunosuppression can be tapered off and eventually stopped. In the University Hospital Rotterdam Dijkzigt OLT and HLT were performed in two patients, with acute and subacute hepatic failure respectively. The patient undergoing OLT recovered quickly but needed a successful re-OLT after a serious rejection episode. The removed diseased liver showed no signs of regeneration at histology. The patient undergoing HLT also recovered well. HIDA scanning as well as liver biopsies of the host liver and the grafted liver 1 and 6 months after transplantation indicated full recovery of the host liver, so that immunosuppression is being tapered off.
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