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Randomized Controlled Trial
. 2010 Jul;14(7):e602-7.
doi: 10.1016/j.ijid.2009.09.002. Epub 2010 Jan 3.

Human immunodeficiency virus-hepatitis C virus co-infection in pregnant women and perinatal transmission to infants in Thailand

Nicole Ngo-Giang-Huong  1 , Gonzague Jourdain, Wasna Sirirungsi, Luc Decker, Woottichai Khamduang, Sophie Le Coeur, Surat Sirinontakan, Rosalin Somsamai, Karin Pagdi, Jittapol Hemvuttiphan, Kenneth McIntosh, Francis Barin, Marc Lallemant
Affiliations
Randomized Controlled Trial

Human immunodeficiency virus-hepatitis C virus co-infection in pregnant women and perinatal transmission to infants in Thailand

Nicole Ngo-Giang-Huong et al. Int J Infect Dis. 2010 Jul.

Abstract

Objectives: The objectives of this study were to assess the prevalence and factors associated with hepatitis C virus (HCV) infection in human immunodeficiency virus (HIV)-infected and -uninfected Thai pregnant women and the rate of HCV transmission to their infants.

Patients and methods: Study subjects included 1435 HIV-infected pregnant women and their infants, enrolled in a perinatal HIV prevention trial, and a control group of 448 HIV-uninfected pregnant women. Women were screened for HCV antibodies with an enzyme immunoassay. Positive results were confirmed by recombinant immunoblot and HCV RNA quantification. Infants were tested for HCV antibodies at 18 months or for HCV RNA at between 6 weeks and 6 months.

Results: Of the HIV-infected women, 2.9% were HCV-infected compared to 0.5% of HIV-uninfected women (p=0.001). Only history of intravenous drug use was associated with HCV infection in HIV-infected women. Ten percent of infants born to co-infected mothers acquired HCV. The risk of transmission was associated with a high maternal HCV RNA (p=0.012), but not with HIV-1 load or CD4 count.

Conclusions: Acquisition of HCV through intravenous drug use partially explains the higher rate of HCV infection in HIV-infected Thai women than in HIV-uninfected controls. Perinatal transmission occurred in 10% of infants of HIV-HCV-co-infected mothers and was associated with high maternal HCV RNA.

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Conflict of interest statement

Conflict of interest: All authors have declared that no conflict of interest exists.

Figures

Figure 1
Figure 1
HCV infection status of HIV-infected and HIV-uninfected pregnant women and HCV infection status for children born to HIV–HCV-co-infected women. Among the 30 HIV–HCV-co-infected women with HCV viremia, one woman delivered twins. Two children could not be assessed for HCV infection since no blood samples were available.
Figure 2
Figure 2
Distribution of plasma HCV RNA concentrations (panel a) and CD4 lymphocyte counts (panel b) among HIV–HCV-co-infected mothers who transmitted (transmitters) or did not transmit (non-transmitters) HCV to their infants. Middle horizontal lines indicate medians.
See this image and copyright information in PMC

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