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J Clin Gastroenterol. 2016 Jan;50(1):80-4. doi: 10.1097/MCG.0000000000000400.

Insulin Resistance is Associated With Significant Liver Fibrosis in Chronic Hepatitis C Patients: A Systemic Review and Meta-Analysis.

Author information

1
*Department of Medicine, Division of Gastroenterology, Detroit Medical Center/Wayne State University †Department of Medicine, Division of Gastroenterology, Henry Ford Hospital ‡Detroit Medical Center, Detroit, MI §Department of Medicine, Indiana University Medical Center and Roudebush Veterans Administration Medical Center, Division of Gastroenterology and Hepatology, Indianapolis, IN.

Abstract

BACKGROUND:

The role of insulin resistance (IR) on fibrosis progression in hepatitis C virus (HCV) patients has not been systematically evaluated. Therefore, this systemic review aimed to summarize the available epidemiologic evidence to evaluate the strength of association between IR and advanced liver fibrosis in these patients.

METHODS:

We performed a systemic literature search in PubMed, OvidSP, and MEDLINE from January 1990 to April 2015 without language restriction using the following search terms: insulin resistance, liver fibrosis, cirrhosis, diabetes mellitus, and chronic hepatitis C. Publication bias was assessed using the Begg and Egger tests and with a visual inspection of funnel plot. All analyses were performed using Comprehensive Meta-Analysis, version 2 software.

RESULTS:

A total of 3659 participants with HCV infection from 14 studies were included in the analysis. After adjusting for publication bias, the relative risk (RR) for significant hepatic fibrosis among HCV subjects with IR was 1.63 [95% confidence interval (CI), 1.34-2.01]. Subgroup analysis by genotypes showed RR of 2.16 (95% CI, 1.52-3.06) for genotype 1; however, the association was no longer significant when we analyzed the data for HCV genotype 3; RR=1.40 (95% CI, 0.8-2.45).

CONCLUSION:

Our study showed significant association between IR and significant hepatic fibrosis in patients with HCV genotype 1 infection.

PMID:
26302498
PMCID:
PMC4674302
DOI:
10.1097/MCG.0000000000000400
[Indexed for MEDLINE]
Free PMC Article

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