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Original Article   

Minerva Gastroenterology 2022 Mar 28

DOI: 10.23736/S2724-5985.22.03168-0


lingua: Inglese

Triglyceride-glucose index and hepatic steatosis index for the assessment of liver steatosis in HCV patients

Tomislav PREVEDEN 1, Benjamin VERES 2, Maja RUZIC 1, Maria PETE 1, Sanja BOGIC 2, Nadica KOVACEVIC 1, Anna C. PROCOPIO 3, Sharmila FAGOONEE 4, Francesco LUZZA 3, Ludovico ABENAVOLI 3

1 Clinic for Infectious Diseases, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia; 2 Health Center of Sombor, Sombor, Serbia; 3 Department of Health Sciences, University Magna Graecia, Catanzaro, Italy; 4 Institute of Biostructures and Bioimaging (CNR) c/o Molecular Biotechnology Center, Turin, Italy


INTRODUCTION: Liver steatosis in patients with chronic infection of hepatitis C virus (HCV) is important from multiple standpoints: faster disease progression, more frequent hepatocellular carcinoma and cirrhosis development or worse therapy response. Liver biopsy as diagnostic method, is in recent years more and more challenged due to its well-known flaws. Hepatic steatosis index (HSI) and triglyceride-glucose (TyG) index, are surrogate scores developed in the first place for noninvasive assessment of steatosis in patients with nonalcoholic fatty liver disease (NAFLD). However, their use in the context of chronic hepatitis C (CHC) virus infection is still unclear. Aim of our study was to assess the accuracy of both HSI and TyG index in patients with CHC.
MATERIALS AND METHODS: The cohort included 814 patients with CHC infection in whom liver biopsy was performed. After implementing strict criteria for sample adequacy and necessary data, 424 patients were finally enrolled in our study. Histological findings were used as a reference point, and surrogate scores HSI and TyG index were expressed through receiver operating characteristic (ROC) curves in order to assess their ability in determining patients without (<5%) or with steatosis (>5%), but also to address their ability in assessing between different degrees of steatosis.
RESULTS: The average age of study population was 37.09 years and the majority of patients were men (67%). Liver steatosis was detected in approximately half of the liver biopsy samples (50.4%). About 5% of them had severe steatosis. The area under the ROC curve values for HSI and TyG index when detecting liver steatosis were 0.76 and 0.629, respectively. Similar values were obtained comparing between absence of steatosis and mild steatosis (5-30%).
CONCLUSIONS: Non-invasive surrogate scores HSI and TyG index in CHC patients, have good performance to detect the presence of steatosis. In this context, these tools are cheap, widely available and could be valuable asset in liver steatosis assessment outside liver biopsy.

KEY WORDS: Liver disease; Hepatitis C; Surrogate score; Diagnosis

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