Journal
SAUDI JOURNAL OF GASTROENTEROLOGY
Volume 28, Issue 2, Pages 92-100Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/sjg.sjg_260_21
Keywords
Diabetes mellitus; dyslipidemia; hepatocellular carcinoma; hypertension; nonalcoholic fatty liver disease; obesity
Categories
Funding
- Natural Science Foundation of Jiangsu Province [BK20200265]
- Medical Research Project of Jiangsu Health Commission [ZDB2020033]
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Diabetes mellitus and overweight/obesity are high risk factors for NAFLD-related HCC, particularly in patients with advanced fibrosis/cirrhosis.
Background: Nonalcoholic fatty liver disease (NAFLD) has become one of the leading etiologies of hepatocellular carcinoma (HCC), but risk factors for NAFLD-related HCC occurrence have not been defined. NAFLD is often complicated by metabolic abnormalities, and there is a bidirectional association of metabolic abnormalities with NAFLD progression. This study aimed to systematically evaluate the relationship between metabolic traits and HCC occurrence in patients with NAFLD. Method: This study reviewed eight eligible studies that included 297,956 participants, to determine the relationship between metabolic traits and the occurrence of HCC in patients with NAFLD. Results: Presence of diabetes mellitus (DM) was associated with increased risk of HCC (HR: 2.65, 95%CI: 2.02 similar to 3.49, P-heterogeneity = 0.589, I-2 = 0.0%). Stratified analysis revealed that this risk was higher in NAFLD patients with advanced fibrosis/cirrhosis (HR: 4.55, 95%CI: 2.34 similar to 8.87, P-heterogeneity = 0.870, I-2 = 0.0%). Nonetheless even in patients without cirrhosis, DM remained a high risk factor for HCC incidence (HR: 1.80, 95%CI: 1.05 similar to 3.06, P-heterogeneity = 0.291, I-2 = 10.4%). Overweight/obesity had a slight correlation with increased risk of HCC occurrence in NAFLD patients (HR: 1.31, 95%CI: 1.00 similar to 1.71, P-heterogeneity = 0.888, I-2 = 0.0%), while presence of hypertension and dyslipidemia had no correlation. Conclusion: DM and overweight/obesity are high risk factors for NAFLD-related HCC. In particular, DM increases 4-fold the risk of HCC incidence in NAFLD patients with advanced fibrosis/cirrhosis. There is a need to strengthen surveillance for HCC in NAFLD patients with DM, especially in those with advanced fibrosis/cirrhosis.
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