期刊
JOURNAL OF HEPATOLOGY
卷 73, 期 4, 页码 800-806出版社
ELSEVIER
DOI: 10.1016/j.jhep.2020.05.040
关键词
HBV; NAFLD; Liver stiffness; Functional cure; VCTE; Metabolic
资金
- Innovative Research Fund of the State Key Laboratory for Liver Research, The University of Hong Kong [SKLLR/IRF/2018/08]
- Outstanding Young Researcher Award, The University of Hong Kong
Background & Aims: Concomitant non-alcoholic fatty liver disease is common in patients with chronic hepatitis B (CHB) infection, although its impact on liver-related outcomes remains controversial. We aimed to study the effect of hepatic steatosis on the risk of fibrosis progression and the likelihood of HBsAg seroclearance. Methods: Treatment-naive patients with CHB, normal alanine aminotransferase and low viraemia (serum HBV DNA <2,000 IU/ml) were prospectively recruited for baseline and 3-year transient elastography assessment. Fibrosis staging was defined according to the EASL-ALEH guidelines, with fibrosis progression defined as >= 1 stage increment of fibrosis. Hepatic steatosis and severe hepatic steatosis were defined as controlled attenuation parameter (CAP) >= 248 dB/m and >= 280 dB/m, respectively. Results: A total of 330 patients (median age 50.5 years, 41.2% male, median HBV DNA 189 IU/ml) were recruited. Twenty-two patients (6.7%) achieved HBsAg seroclearance during follow-up, and the presence of hepatic steatosis was associated with a significantly higher chance of HBsAg seroclearance (hazard ratio 3.246; 95% CI 1.278-8.243; p = 0.013). At baseline, 48.8% and 28.8% of patients had steatosis and severe steatosis, respectively, while 4.2% had F3/F4 fibrosis at baseline, increasing to 8.7% at 3 years. The rate of liver fibrosis progression in patients with persistent severe steatosis was higher than in those without steatosis (41.3% vs. 23%; p = 0.05). Persistent severe hepatic steatosis was independently associated with fibrosis progression (odds ratio 2.379; 95% CI 1.231-4.597; p = 0.01). Conclusions: CAP measurements have predictive value in patients with virologically quiescent CHB. The presence of hepatic steatosis was associated with a higher risk of fibrosis progression but, paradoxically, a 3-fold increase in HBsAg seroclearance rate. Lay summary: Co-existing fatty liver disease in patients with chronic viral hepatitis B infection leads to worsening liver fibrosis, but also increases the chance of cure from hepatitis B virus. Routine bedside assessment of liver fat content is important for risk assessment in treatment-naive patients with chronic hepatitis B. (C) 2020 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.
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