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Metabolic and genetic risks of development of non-alcoholic fatty liver disease in patients after liver transplantation and its impact on patient and graft survival
Míková, Irena ; Trunečka, Pavel (advisor) ; Červinková, Zuzana (referee) ; Brůha, Radan (referee)
Nonalcoholic fatty liver disease (NAFLD) occurs frequently not only in the general population, but also in liver transplant (LT) recipients. The data about prevalence, evolution, causes and significance of steatosis in patients after LT are limited. In a large retrospective study in LT recipients with histological evaluation of steatosis, we found high prevalence of steatosis (56,4 %) and steatohepatitis (10,4 %), the prevalence of steatosis increased after LT. Pretransplant predictors of steatosis included alcoholic cirrhosis and high BMI, whereas increased alkaline phosphatase and mycophenolate mofetil given initially were protective. Posttransplant predictors of steatosis included BMI, serum triglycerides, alcohol consumption and presence of type 2 diabetes mellitus, whereas increased serum creatinine was protective. Presence of significant steatosis/steatohepatitis was not associated with increased grade of fibrosis. There was no difference between the occurrence of steatosis in surviving and lost grafts. Survival of patients with/without significant steatosis was similar with a trend to higher long-term mortality of patients with significant steatosis. In the evaluation of the impact of TM6SF2 rs58542926 and PNPLA3 rs738409 genotypes of the donor and recipient on pathophysiology of steatosis...
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