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Title: Monitoring Occurrence of Liver-Related Events and Survival by Transient Elastography in Patients With Nonalcoholic Fatty Liver Disease and Compensated Advanced Chronic Liver Disease.
Author: Petta S, Sebastiani G, Viganò M, Ampuero J, Wai-Sun Wong V, Boursier J, Berzigotti A, Bugianesi E, Fracanzani AL, Cammà C, Enea M, Grottes MD, Di Marco V, Younes R, Keyrouz A, Mazzola S, Mendoza Y, Pennisi G, Romero-Gomez M, Craxì A, de Ledinghen V.
Journal: Clin Gastroenterol Hepatol; 2021 Apr; 19(4):806-815.e5. PubMed ID: 32621970.
Abstract:
BACKGROUND & AIMS: Patients with advanced fibrosis related to nonalcoholic fatty liver disease (NAFLD) are at risk of developing hepatic and extrahepatic complications. We investigated whether, in a large cohort of patients with NAFLD and compensated advanced chronic liver disease, baseline liver stiffness measurements (LSMs) and their changes can be used to identify patients at risk for liver-related and extrahepatic events. METHODS: We performed a retrospective analysis of consecutive patients with NAFLD (n = 1039) with a histologic diagnosis of F3-F4 fibrosis and/or LSMs>10 kPa, followed for at least 6 months, from medical centers in 6 countries. LSMs were made by FibroScan using the M or XL probe and recorded at baseline and within 1 year from the last follow-up examination. Differences between follow up and baseline LSMs were categorized as: improvement (reduction of more than 20%), stable (reduction of 20% to an increase of 20%), impairment (an increase of 20% or more). We recorded hepatic events (such as liver decompensation, ascites, encephalopathy, variceal bleeding, jaundice, or hepatocellular carcinoma [HCC]) and overall and liver-related mortality during a median follow-up time of 35 months (interquartile range, 19-63 months). RESULTS: Based on Cox regression analysis, baseline LSM was independently associated with occurrence of hepatic decompensation (hazard ratio [HR], 1.03; 95% CI, 1.02-1.04; P < .001), HCC (HR, 1.03; 95% CI, 1.00-1.04; P = .003), and liver-related death (HR, 1.02; 95% CI, 1.02-1.03; P = .005). In 533 patients with available LSMs during the follow-up period, change in LSM was independently associated with hepatic decompensation (HR, 1.56; 95% CI, 1.05-2.51; P = .04), HCC (HR, 1.72; 95% CI, 1.01-3.02; P = .04), overall mortality (HR, 1.73; 95% CI, 1.11-2.69; P = .01), and liver-related mortality (HR, 1.96; 95% CI, 1.10-3.38; P = .02). CONCLUSIONS: In patients with NAFLD and compensated advanced chronic liver disease, baseline LSM and change in LSM are associated with risk of liver-related events and mortality.

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