Overweight and obesity, hepatic steatosis, and progression of chronic hepatitis C: a retrospective study on a large cohort of patients in the United States.

Thursday, January 01, 2004 - Written by J Hepatol. 2004 Jan;40(1):147-54.

Hu KQ, Kyulo NL, Esrailian E, Thompson K, Chase R, Hillebrand DJ, Runyon BA.

Division of Gastroenterology/Hepatology, University of California-Irvine, Orange, CA 92868, USA. kqhu@uci.edu

BACKGROUND: Hepatic steatosis has been associated with chronic hepatitis C (CHC), but its prevalence, risk factors, and clinical significance remain to be determined. AIMS: The present study determined the frequency of, and risk factors for hepatic steatosis and its association with activity and progression of CHC in a large cohort of U.S. patients. METHODS: This is a retrospective study that utilized systematic chart review and statistical analyzes to investigate 324 U.S. patients with CHC from a university medical center and a regional VA medical center. RESULTS: The frequency of hepatic steatosis was 66.0%. We demonstrated that not only being obese, but also overweight (i.e. body mass index > or =25 kg/m(2)) was independently associated with hepatic steatosis. In our cohort of patients with CHC, hepatic steatosis, especially grade II/III steatosis, was significantly associated with elevated aspartate aminotransferase at entry, persistently elevated alanine aminotransferase, and stage III/IV fibrosis. Grade II/III steatosis, was significantly associated with a higher histology activity index as well. Multivariate analysis indicated that steatosis, especially grade II/III steatosis, was independently associated with stage III/IV fibrosis. CONCLUSIONS: Being overweight/obese serves as an independent risk factor for hepatic steatosis in U.S. patients with CHC. Steatosis accelerates activity and progression of CHC, and is independently associated with stage III/IV hepatic fibrosis in these patients.

PMID: 14672626

 

 

 

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