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J Viral Hepat. 2011 Jan;18(1):11-6. doi: 10.1111/j.1365-2893.2009.01261.x.

Risk factors for advanced liver fibrosis in HIV-infected individuals: role of antiretroviral drugs and insulin resistance.

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  • 1Department of Infectious Diseases, Hospital Carlos III, Madrid, Spain.

Abstract

Liver damage may result from multiple factors in HIV-infected patients. The availability of reliable noninvasive tools to measure liver fibrosis has permitted the screening of large patient populations. Cross-sectional study of all consecutive HIV outpatients who underwent examination by transient elastometry (FibroScan) at one HIV reference clinic during 2007. Advanced liver fibrosis (ALF) was defined as hepatic stiffness >9.5 kilopascals, which corresponds to Metavir stages F3-F4 in the liver biopsy. A total of 681 consecutive HIV-infected patients (64% injecting drug users; mean age 43; 78% male; 98% on antiretroviral therapy) had at least one valid FibroScan evaluation. ALF was diagnosed in 215 (32%) of them. In the univariate analysis, ALF was significantly associated with older age, low CD4 counts, chronic hepatitis C, past alcohol abuse, elevated ALT, high triglycerides, low cholesterol, high homeostasis model assessment (HOMA) index and exposure to didanosine and/or stavudine. In a multivariate model (OR, 95% CI), chronic hepatitis C (2.83, 1.57-5.08), past alcohol abuse (2.26, 1.37-3.74), exposure to didanosine and/or stavudine (1.85, 1.14-3.01), high HOMA index (1.25, 1.04-1.51), older age (1.09, 1.05-1.14) and elevated ALT (1.04, 1.03-1.06) remained as independently associated with ALF. Therefore, in addition to chronic hepatitis C and alcohol abuse, insulin resistance and/or exposure to dideoxy-nucleosides may contribute to ALF in HIV-infected patients.

PMID:
20088890
[PubMed - indexed for MEDLINE]
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