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Abstract Details
Fatty Liver Through the Ages: Nonalcoholic Steatohepatitis
Endocr Pract. 2022 Feb;28(2):204-213. doi: 10.1016/j.eprac.2021.12.010.Epub 2021 Dec 22.
Zobair M Younossi1, Linda Henry2
Author information
Betty and Guy Beatty Center for Integrated Research, Inova Health System, Falls Church, Virginia; Center for Liver Disease, Department of Medicine, Inova Fairfax Medical Campus, Falls Church, Virginia; Inova Medicine, Inova Health System, Falls Church, Virginia. Electronic address: Zobair.Younossi@inova.org.
Inova Medicine, Inova Health System, Falls Church, Virginia; Center for Outcomes Research in Liver Diseases, Washington DC.
Abstract
Objective: The global epidemic of obesity and type 2 diabetes mellitus is the main driver of the growing global prevalence of nonalcoholic fatty liver disease (NAFLD). We aimed to review the current literature on NAFLD and nonalcoholic steatohepatitis (NASH) as it impacts children and adults.
Methods: We performed a literature search on fatty liver specifically NAFLD and NASH among children and adults.
Results: The prevalence of NAFLD in children ranges from 8% to 12%, while the prevalence in adults ranges 25% to 48%. The prevalence of NASH among children with NAFLD is 23%, while it ranges from 13% to 65% in adults. There are similar risk factors for NAFLD among children and adults. However, in children, the diagnostic tests in the studies of NAFLD are limited to the elevation of the alanine aminotransferase level or a liver biopsy. In adults, additional diagnostic modalities, including noninvasive tests, have been used. From the spectrum of NAFLD, patients with NASH are predominantly at risk of progressive liver disease to cirrhosis and liver-related mortality. NAFLD is associated with impairment of health-related quality of life and substantial economic burden.
Conclusion: The comprehensive burden (clinical, health-related quality of life, and economic) of NAFLD is high and increasing.