[Indications and results of liver retransplantations]. / Indicaciones y resultados del retrasplante hepático.

ABSTRACT

Liver retransplantation (re-LT) is the only therapeutic option for irreversible failure of the graft. It currently makes up 2.9% to 24.0% of all liver transplants. It is technically very difficult and has a high index of immediate complications, underlined by the fact that 50% of the deaths after this procedure occur in the first three months; and that in general, the results of re-LT are worse than those of primary LT. Re-LT can be early (when it is performed during the first 30 days) or delayed. The reasons for early re-LT are loss of primary function of the graft, complications for technical reasons, acute resistant rejection and infection problems of biliary origin. Those of delayed are chronic rejection, liver arterial thrombosis, biliary complications and recurrence of the primary disease. In general, when a patient has an irreversible rejection of the graft, the indication for a re-LT is indisputable, but there are discrepancies on whether or not the aetiology of the basic disease has to have a bearing on this. If we take into account the MELD scoring system, when considering the indications for re-LT, this only allows us to predict mortality, but not to give priority on a waiting list. Patients must be retransplanted early, in good physical condition, with a low bilirubin and creatine level; and the donors must be young. Taking into account the continuing increase in mortality as a direct result of the imbalance between the growing number of potential candidates and the number of donors, it seems necessary to define what are the minimally accepted results to indicate a re-LT and thus arrive at a consensus that will help us decide which subject is a candidate to receive it.