American College of Gastroenterology Annual Meeting
American College of Gastroenterology Annual Meeting
October 19, 2016
2 min read

NASH surpasses HCV as top etiology for adults listed for liver transplant

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LAS VEGAS — Nonalcoholic steatohepatitis is the number one etiology of liver disease among adults under the age of 50 years listed for liver transplantation, surpassing hepatitis C virus infection, according to findings presented at ACG 2016.

“Nonalcoholic fatty liver disease, considered the hepatic manifestation of the metabolic syndrome, affects up to 10% of the pediatric population and 30% of adults in North America. The NAFLD incidence has been rising and the most common cause of chronic liver disease in children,” Bubu A. Banini, MD, PhD, of Virginia Commonwealth University, said during her presentation in a liver plenary session. “We hypothesized that if NAFLD is progressive in children and young adults, one would expect to see an increase in the number of adults under the age of 50 years who develop NAFLD-related end-stage liver disease requiring listing for liver transplantation.”

Banini and colleagues extracted data of adults listed for transplant between 2002 and 2015 from the United Network for Organ Sharing registry. The adults were divided into groups based on age and researchers determined the primary etiology of end-stage liver disease by year.

The overall number of adults listed for transplant decreased from 1,776 in 2002 to 704 in 2014. Between 2002 and 2014, NASH and cryptogenic cirrhosis etiologies for liver disease increased by 124% compared with HCV decreasing by 78% (P < .0001).

Adults between the ages of 18 and 34 years with a liver disease etiology of NASH or cryptogenic cirrhosis remained the same, whereas there was an increase in the number of adults between the ages of 35 and 49 years, listed with the same etiologies.

For 2015, NASH and cryptogenic cirrhosis surpassed HCV as the leading etiology for liver transplant for adults between the ages of 35 and 49 years (194 vs. 148). This was also observed in adults older than 50 years of age. Data was available through August of 2015, according to Banini, and they are waiting for data from the rest of 2015 for further analysis.

“Given the 20- to 30-year time frame for development of cirrhosis due to NAFLD, this suggests that NAFLD in pediatric age groups and young adults is a significant public health problem,” Banini said. “Our results support screening for NAFLD in high-risk pediatric populations to avoid progression to end-stage liver disease.” – by Melinda Stevens


Banini BA, et al. Abstract #46. Presented at: American College of Gastroenterology Annual Scientific Meeting; Oct. 14-19, 2016; Las Vegas, NV.

Disclosure: Banini reports no relevant financial disclosures.