Immunosuppression withdrawal after auxiliary liver transplantation for acute liver failure |
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Authors: | Girlanda R Vilca-Melendez H Srinivasan P Muiesan P O'Grady J G Rela M Heaton N D |
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Affiliation: | Liver Transplant Surgical Service, King's College Hospital, London, UK. |
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Abstract: | BACKGROUND: The potential for immunosuppression withdrawal is the rationale for auxiliary liver transplantation (AUX) in patients with acute liver failure (ALF). PATIENTS AND METHODS: Forty-four AUX were performed in 28 adults and 16 children with ALF secondary to seronegative hepatitis (n = 20; 45%), paracetamol hepatotoxicity (n = 14; 32%), acute viral hepatitis (hepatitis B virus [HBV] n = 3, Epstein-Barr virus n = 1; 9%), drug-induced hepatitis (n = 3; 7%), autoimmune hepatitis (n = 2; 5%), and mushroom poisoning (n = 1; 2%). All patients fulfilled the King's College Hospital transplant criteria for ALF. After partial hepatectomy, 38 patients received a segmental auxiliary graft and six, a whole auxiliary graft. Immunosuppression was based on calcineurin inhibitors and steroids. RESULTS: Thirty-four patients (77%) are alive after a median follow-up of 30 months (range 4 to 124). Eight adults and two children died of sepsis (n = 6; 14%) at a median interval of 30 days (range 2 to 66), intraoperative cardiac failure (n = 1), brain edema on postoperative day 8 (n = 1), sudden death on day 35 (n = 1), and multiple organ failure associated with HBV recurrence 4 years after transplantation (n = 1). Three patients underwent retransplantation for small-for-size graft syndrome with sepsis on postoperative day 15 (n = 1) and for ductopenic rejection 4 and 15 months after AUX (n = 2). In 10/31 (32%) survivors (6/18 adults and 4/13 children) immunosuppression was completely withdrawn after a median of 19 months. CONCLUSION: Complete immunosuppression withdrawal can be achieved in a significant proportion of patients after AUX for ALF. |
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