Hepatitis C virus increases the risk of kidney disease among HIV-positive patients: Systematic review and meta-analysis


BACKGROUND: Kidney disease has become an important co-morbidity among human immunodeficiency virus-infected patients as they live longer in the era of highly effective antiretroviral therapy. It remains unclear how co-infection with hepatitis C virus impacts on the trajectory of kidney disease among HIV-infected patients. AIMS: To evaluate the effect of co-infection with HCV on the risk of kidney disease in HIV-infected populations. METHODS: We conducted a systematic review of the published medical literature to determine if hepatitis C co-infection is associated with increased likelihood of chronic kidney disease in HIV-positive adults. We used the random effects model of DerSimonian and Laird to generate a summary estimate of the relative risk for chronic kidney disease (defined by reduced glomerular filtration rate and/or detectable proteinuria) with hepatitis C virus across the published studies. Meta-regression and stratified analysis were also conducted. RESULTS: We identified 19 studies (146,151 unique patients with HIV) and separate meta-analyses were performed according to the outcome. Aggregation of longitudinal studies (n = 8; 105,462 unique patients) showed a relationship between HCV infection and increased risk of reduced glomerular filtration rate among HIV-infected individuals, the summary estimate for adjusted hazard ratio was 1.64 (95% CI, 1.28; 2.0, P < 0.001) in HIV-HCV co-infected individuals compared with those having HIV mono-infection. No between-studies heterogeneity was noted (P-value by Q test =0.08). HCV positive serology was an independent risk factor for proteinuria; adjusted effect estimate, 1.23 (95% confidence interval, 1.18; 1.28, P = 0.001) (n = 6 studies; 26,835 unique patients). In meta-regression, we noted the impact of ageing (P = 0.0001) upon the adjusted hazard ratio of incidence of reduced glomerular filtration rate among HCV-HIV co-infected patients; a negative association between frequency of males (P = 0.001) and the adjusted hazard ratio of prevalence of low glomerular filtration rate was found. CONCLUSIONS: Hepatitis C co-infection is associated with a significant increase in the risk of reduced glomerular filtration rate and/or detectable proteinuria among HIV-infected individuals.


Fabrizi F, Dixit V, Martin P, Messa P.




  • Population(s)
    • General HIV+ population
  • Co-infections
    • Hepatitis B, C
  • Co-morbidities
    • Other


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