Non-alcoholic fatty liver disease natural history, complications and prognosis

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Editor in Chief: Elliot Tapper, M.D., Beth Israel Deaconess Medical Center, C. Michael Gibson, M.S., M.D. [1]

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Overview

NASH may progress to fibrosis and, later, cirrhosis. Studies of serial liver biopsies estimate a 26-37% rate of hepatic fibrosis and 2-15% rate of cirrhosis in less than 6 years. [1][2][3] In 2001, NASH represented 2.9% of the indications of liver transplantation.[4] The impact of NAFLD is manifest at each step along the spectrum of the disease. Studies in the United States and Sweden have revealed that both simple steatosis as well as steatohepatitis significantly reduce life expectancy, even when the diagnosis is made in children.[5][6]

References

  1. Adams LA, Sanderson S, Lindor KD, et al. The histological course of nonalcoholic fatty liver disease: a longitudinal study of 103 patients with sequential liver biopsies. J Hepatol 2005;42(1):132–8.
  2. Harrison SA, Torgerson S, Hayashi PH. The natural history of nonalcoholic fatty liver disease:a clinical histopathological study. Am J Gastroenterol 2003;98(9):2042–7.
  3. Ekstedt M, Franzén LE, Mathiesen UL, et al. Long-term follow-up of patients with NAFLD and elevated liver enzymes. Hepatology 2006;44:865-73.
  4. Charlton M et al. Frequency of Nonalcoholic Steatohepatitis as a Cause of Advanced Liver Disease. Liver Transpl 2001;7:608-614
  5. Adams et al. The Natural History of Nonalcoholic Fatty Liver Disease: A Population-Based Cohort Study. GASTROENTEROLOGY 2005;129:113–121
  6. Feldstein AE et al. The natural history of non-alcoholic fatty liver disease in children: a follow-up study for up to 20 years. Gut 2009;58:1538–1544

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