Histologically proven non-alcoholic fatty liver disease and clinically related factors in recipients after liver transplantation

Hyeyoung Kim, Kyoungbun Lee, Kwang Woong Lee, Nam Joon Yi, Hae Won Lee, Geun Hong, Youngrok Choi, Tae You, Suk Won Suh, Ja June Jang, Kyung Suk Suh

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37 Scopus citations

Abstract

Non-alcoholic fatty liver disease (NAFLD) affects a substantial proportion of the world population, and its prevalence has been increasing. The study was aimed at evaluating the prevalence and peri-transplant risk factors for post-liver transplantation (LT) NAFLD. A retrospective review was performed for adult recipients who underwent late protocol biopsy (>1 yr after LT) between August 2010 and December 2012. Hepatic steatosis was reviewed and graded by hepatopathologists, and the peri-transplant factors were analyzed for relationships to histologically proven NAFLD. Total 166 biopsies had been performed in 156 recipients. NAFLD was present in 27.1% at a mean period of 35.4 months between LT and biopsy, moderate and severe steatosis (≥33%) consisted of 28.9%. In multivariate analysis, pre-LT alcoholic cirrhosis (odds ratio [OR] 8.031, p = 0.003), obesity at biopsy (OR 3.873, p = 0.001), and preexisting donor graft steatosis (OR 3.147, p = 0.022) were significant risk factors for post-LT NAFLD. In conclusion, NAFLD represented a considerable portion of recipients, but this prevalence was not higher than those for general population. Three risk factors were significantly related to post-LT NAFLD, and recipients with those factors should be monitored for NAFLD. Furthermore, possible progression to non-alcoholic steatohepatitis (NASH) or fibrosis and metabolic syndrome should be considered in future studies.

Original languageEnglish
Pages (from-to)521-529
Number of pages9
JournalClinical Transplantation
Volume28
Issue number5
DOIs
StatePublished - May 2014

Keywords

  • Biopsy
  • Hepatic steatosis
  • Histology
  • Steatohepatitis
  • Steatosis
  • Transplant

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