BACKGROUND/AIMS: The purpose of this study was to assess the outcome of liver retransplantation in adults at our institution and identify the subset of patients in which the outcome was too poor to justify retransplantation. METHODOLOGY: Over a 12-year period, we performed 346 liver transplantations in 305 adult patients, and of these, 41 (11.8%) were retransplantations. Survival data were stratified and multivariate analysis was conducted to identify variables associated with poor outcome after retransplantation. RESULTS: The 90-day, 1-year, and 5-year survival rates after liver retransplantation were 65.9%, 62.6%, and 48.2%, respectively. These rates were significantly inferior compared to those following single liver transplantation. Major adverse events affecting patient survival after retransplantation occurred within the first 90 days after surgery. Three independent prognostic variables of patient survival after retransplantation were identified: preoperative coagulation factor, total bilirubin,and the need for preoperative dialysis. Using these variables, we defined a simplified mathematical model available at the time of decision of retransplantation. CONCLUSIONS: The present study indicated three important prognostic factors associated with a poor outcome after retransplantation. Based on our newly developed scoring-system estimating patient survival, we suggest that retransplantation must be indicated before the deterioration of more than two organs. These findings should assist in the decision process for liver retransplantation in adult patients.
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