Journal
EXPERT REVIEW OF GASTROENTEROLOGY & HEPATOLOGY
Volume 17, Issue 2, Pages 189-198Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17474124.2023.2166930
Keywords
Hepatitis B virus; hepatitis C virus; fatty liver; risk factor; hepatocellular carcinoma
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Fatty liver is a risk factor for hepatocellular carcinoma in patients with Hepatitis B or C virus, although the results are contradictory. Biopsy-proven fatty liver is a significant risk factor for hepatocellular carcinoma in these patients. Suitable interventions should be given to prevent or attenuate the risk of hepatocellular carcinoma in these individuals.
BackgroundFatty liver (FL) is reportedly a risk factor for hepatocellular carcinoma (HCC) in individuals affected with Hepatitis C (HCV) or B (HBV) virus. However, the results are contradictory, necessitating a meta-analysis.Research design and methodsSixteen relevant studies involving 88,618 individuals were retrieved from the Cochrane Library, PubMed, MEDLINE, Embase, and Scopus databases from their inception to 10 December 2022. The hazard ratios (HR) and 95% confidence intervals (CI) were analyzed.ResultsLiver biopsy-proven FL may be a significant risk factor for HCC in individuals affected with HBV (univariate analyses: HR = 3.13, 95% CI = 1.69-5.79; multivariate analyses: HR = 3.42, 95% CI = 0.83-14.09) as well as HCV (univariate analyses: HR = 1.64, 95% CI = 0.93-2.90; multivariate analyses: HR = 1.75, 95% CI = 1.02-3.00). However, the presence of FL confirmed using reasonable methods other than liver biopsy may not indicate a risk for HCC in HBV-infected individuals (univariate analyses: HR = 0.90, 95% CI = 0.44-1.81; multivariate analyses: HR = 0.69, 95% CI = 0.45-1.08).ConclusionsBiopsy-proven FL may be a significant risk factor for HCC in HCV/HBV-infected individuals. Thus, such individuals should receive suitable interventions to prevent HCC formation or at least attenuate the risk of HCC.
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