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Scand J Infect Dis. 1997;29(2):111-5.

Coinfection and superinfection of hepatitis B virus in patients infected with human immunodeficiency virus: no evidence of faster progression to AIDS.

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  • 1Department of Medical and Surgical Sciences, University of Turin, Italy.


The influence of hepatitis B virus (HBV) on the natural history of human immunodeficiency virus (HIV) infection was evaluated in a prospective study of 347 HIV-positive, AIDS-free individuals infected through injecting drug use and sex and with known seroconversion dates. End points were CD4+ cell count < 200 x 10(6) cell/L and AIDS diagnosis. At entry, 229 had seromarkers to HBV; during the study, 107 had a CD4+ cell count < 200 x 10(6) cells/L and 66 developed AIDS. HBsAg chronic carriers, HBV infection-free subjects and those with baseline evidence of prior HBV infection did not differ in rates of progression to end points. Sexual transmission of HIV was significant predictor of CD4+ cell decline to < 200 x 10(6) cells/l [Hazard ratio (HZ): 1.56, 95% confidence interval (CI): 1.06-2.29, p = 0.0232] and progression to AIDS (HZ: 1.91, CI: 1.17-3.11, p = 0.0091). 15 HIV-positive and HBV infection-free patients had HBV seroconversion. They did not differ from those who remained HBV infection-free in rates of progression to end points, but 40% of them became HBsAg chronic carriers. These results suggest that HBV has no influence on progression of HIV disease, but that patients who have HIV before their HBV infection are more likely to become HBsAg chronic carriers than those who are infected with HBV before HIV.

[PubMed - indexed for MEDLINE]
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