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J Hepatol. 2013 Dec;59(6):1169-76. doi: 10.1016/j.jhep.2013.07.037. Epub 2013 Aug 6.

Industrial, not fruit fructose intake is associated with the severity of liver fibrosis in genotype 1 chronic hepatitis C patients.

Author information

1
Sezione di Gastroenterologia, DiBiMIS, University of Palermo, Italy. Electronic address: petsa@inwind.it.

Abstract

BACKGROUND & AIMS:

Unhealthy food intake, specifically fructose, has been associated with metabolic alterations and with the severity of liver fibrosis in patients with non-alcoholic fatty liver disease. In a cohort of patients with genotype 1 chronic hepatitis C (G1 CHC), we tested the association of fructose intake with the severity of liver histology.

METHODS:

Anthropometric and metabolic factors, including waist circumference (WC), waist-to-hip ratio (WHR), dorso-cervical lipohypertrophy and HOMA were assessed in 147 consecutive biopsy-proven G1 CHC patients. Food intake, namely industrial and fruit fructose, was investigated by a three-day structured interview and a computed database. All biopsies were scored by an experienced pathologist for staging and grading (Scheuer classification), and graded for steatosis, which was considered moderate-severe if ≥ 20%. Features of non-alcoholic steatohepatitis (NASH) in CHC were also assessed (Bedossa classification).

RESULTS:

Mean daily intake of total, industrial and fruit fructose was 18.0±8.7g, 6.0±4.7g, and 11.9±7.2g, respectively. Intake of industrial, not fruit fructose, was independently associated with higher WHR (p=0.02) and hypercaloric diet (p<0.001). CHC patients with severe liver fibrosis (⩾F3) reported a significantly higher intake of total (20.8±10.2 vs. 17.2±8.1g/day; p=0.04) and industrial fructose (7.8±6.0 vs. 5.5±4.2; p=0.01), not fruit fructose (12.9±8.0 vs. 11.6±7.0; p=0.34). Multivariate logistic regression analysis showed that older age (OR 1.048, 95% CI 1.004-1.094, p=0.03), severe necroinflammatory activity (OR 3.325, 95% CI 1.347-8.209, p=0.009), moderate-severe steatosis (OR 2.421, 95% CI 1.017-6.415, p=0.04), and industrial fructose intake (OR 1.147, 95% CI 1.047-1.257, p=0.003) were independently linked to severe fibrosis. No association was found between fructose intake and liver necroinflammatory activity, steatosis, and the features of NASH.

CONCLUSIONS:

The daily intake of industrial, not fruit fructose is a risk factor for metabolic alterations and the severity of liver fibrosis in patients with G1 CHC.

KEYWORDS:

CHC; Chronic hepatitis C; DCL; Fructose; G1; HCV; Liver fibrosis; WC; WHR; chronic hepatitis C; dorso-cervical lipohypertrophy; genotype 1; hepatitis C virus; waist circumference; waist-to-hip ratio

PMID:
23933265
DOI:
10.1016/j.jhep.2013.07.037
[Indexed for MEDLINE]

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