Abstract

Liver cirrhosis and diabetes mellitus (DM) are closely associated. The present study aimed to determine whether liver transplantation (LT) may prevent/cure DM in patients with cirrhosis and whether the degree of glucose tolerance prior to transplantation is associated with the onset of DM after transplantation. Seventy-three patients who received a living donor LT at Nagasaki University Hospital (Nagasaki, Japan) between November 2005 and December 2012 were recruited. Among them, patients were considered diabetic if they had been prescribed diabetes medications or had impaired glucose tolerance, as evidenced by an oral glucose tolerance test (OGTT). Patients were followed up until December 31, 2013 to evaluate glucose tolerance. Patients who had developed DM 2 years after transplantation were found to be older and the incidence of diabetes prior to transplantation (n=73) was higher than in those who did not. Multivariate analysis revealed that DM requiring treatment prior to transplantation was the only independent factor for DM developed at 2 years after transplantation. OGTT results showed that in patients with poor insulin sensitivity indices prior to transplantation (n=45), improvements were seen at 2 years after transplantation, while β-cell function and insulinogenic index had decreased, which may have been the cause of DM after transplantation. In conclusion, the pre-operative β-cell function determined by an OGTT may be a useful predictive tool for the recurrence of DM after LT.

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