期刊
JOURNAL OF CLINICAL MEDICINE
卷 11, 期 19, 页码 -出版社
MDPI
DOI: 10.3390/jcm11195969
关键词
non-invasive diagnosis; cirrhosis; fibrosis; NASH; liver histology
Non-alcoholic fatty liver disease (NAFLD) can progress to severe liver fibrosis and cirrhosis. The presence of portal inflammation, high triglycerides levels, advanced fibrosis at baseline, and the duration of follow-up are predictors of disease progression in NAFLD patients.
Background and aim: Non-alcoholic fatty liver disease (NAFLD) may progress to severe liver fibrosis and cirrhosis. A limited number of studies with a long follow up assessed fibrosis progression and related predictors in untreated patients with a histological diagnosis of NAFLD. This study aims to investigate rate and predictors of NAFLD progression. Methods: For 9 (2-16.7) years, we followed up a cohort of patients histologically diagnosed. Disease progression was defined by a composite endpoint as evidence of cirrhosis in patients without cirrhosis at baseline, evidence of de novo occurrence of cirrhosis complications, histologically established worsening of stage 1 of fibrosis or increase of 20% in liver stiffness by transient elastography in patients rejecting a second liver biopsy. Results: A total of 91 patients were enrolled. Of them, 31 had NAFL and 60 NASH. A second liver biopsy was performed in 22 NASH patients and in 4 NAFL. Disease progression was observed in 38.5% NASH and in 12.0% NAFL (p = 0.034). Patients with portal inflammation had a higher risk of progression (66.7% vs 26%, p = 0.021). High triglycerides levels, advanced fibrosis at baseline and the duration of follow-up predict disease progression (p = 0.021; OR = 6.93, 95% CI 1.33-36.08, p = 0.43; OR 8.37; 95% CI 1.07-65.58 and p = 0.034; OR = 0.88; 95% CI 0.78-0.99, respectively). Conclusions: Our results reinforce the evidence that, in the absence of pharmacologic treatment, NASH progresses in about 40% of patients. Liver biopsy is the only mean to discriminate NAFL from NASH. The prognostic role of portal inflammation needs to be explored in larger series.
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