Infection

, Volume 41, Issue 2, pp 425–429 | Cite as

Absence of liver steatosis in HIV–HCV co-infected patients receiving regimens containing tenofovir or abacavir

  • V. Borghi
  • L. Bisi
  • L. Manzini
  • A. Cossarizza
  • C. Mussini
Clinical and Epidemiological Study

Abstract

Background

In human immunodeficiency virus–hepatitis C virus (HIV–HCV) co-infected patients, steatosis has been independently associated with a number of antiretroviral drugs, including stavudine, especially in patients with non-3 HCV genotypes. We retrospectively investigated the presence of steatosis among HIV–HCV co-infected and HCV mono-infected patients, and the role of tenofovir disoproxil fumarate (TDF) or abacavir (ABC) in determining hepatic steatosis.

Methods

Liver steatosis was retrospectively evaluated in all consecutive biopsies performed in the period 2000–2008 in HCV mono-infected and HIV–HCV co-infected patients. A steatosis rate of >5 % was considered to be significant, and a multivariate logistic analysis was performed to evaluate factors associated with steatosis.

Results

In total, 393 HCV-infected patients underwent liver biopsy during the study period, of whom 205 (52.2 %) were co-infected with HIV. A steatosis rate of >5 % was diagnosed in 33.0 % of HCV mono-infected and in 47.8 % of HIV–HCV co-infected patients (P = 0.003). The rate of steatosis was higher in patients resuming antiretroviral therapy (54.7 %) than in naïve patients (33.3 %; P = 0.006). When the overall population was considered, steatosis was associated to HCV genotype 3 [odds ratio (OR) 4.53, 95 % confidence interval (CI) 2.71–7.58; P < 0.001]. In terms of the use of nucleos(t)ide drugs in HIV co-infected patients, multivariate analysis showed that only in patients with HCV genotypes other than genotype 3 was steatosis related to the use of stavudine (OR 5.38, 95 % CI 1.18-24.53; P = 0.03). The use of TDF (OR 1.07, 95 % CI 0.39–2.88; P = 0.898) or ABC (OR 0.592, 95 % CI 0.09–4.07; P = 0.594) was not associated with steatosis.

Conclusion

In HCV mono-infected and HIV–HCV co-infected patients, steatosis appears to be a virus-mediated effect of HCV genotype 3. In HIV patients infected with HCV genotypes other than genotype 3, the risk of developing steatosis was higher in those patients resuming antiretroviral regimens containing old drugs rather than the new antiretrovirals.

Keywords

HIV–HCV coinfection Steatosis HAART 

Notes

Conflict of interest

None.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • V. Borghi
    • 1
  • L. Bisi
    • 1
  • L. Manzini
    • 1
  • A. Cossarizza
    • 2
  • C. Mussini
    • 1
    • 2
  1. 1.Clinic of Infectious and Tropical Diseases, Azienda Ospedaliero–Universitaria Policlinico di ModenaUniversity of Modena and Reggio EmiliaModenaItaly
  2. 2.Department of Surgery, Medicine, Dentistry and Morphological SciencesUniversity of Modena and Reggio EmiliaModenaItaly

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