| Titre : | Seroepidemiological survey of hepatitis C virus among commercial sex workers and pregnant women in kinshasa, Democratic Republic of congo. (2001) |
| Auteurs : | C. Laurent ; E. DELAPORTE ; D. HENZEL ; B. LAROUZE ; G. MAERTENS ; C. MULANGA-KABEYA ; Institut de Médecine et d'Epidémiologie Africaines. Hôpital Bichat-Claude Bernard. Paris. FRA ; Laboratoire des Rétrovirus. Institut de Recherche pour le Développement Ird Montpellier. FRA ; Projet Sida. Kinshasa. ZWE |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 30, n° 4, 2001) |
| Pagination : | 872-877 |
| Langues: | Anglais |
| Mots-clés : | Hépatite virale C ; Virose ; Infection ; Sérologie ; Prostitution ; Grossesse ; République démocratique Congo ; Afrique ; Prévalence ; Facteur risque ; Homme ; Surveillance épidémiologique ; Epidémiologie ; Appareil digestif [pathologie] ; Foie [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST-CNRS Cmo0R0xM. Diffusion soumise à autorisation]. Background Studies conducted mainly in industrialized countries have shown that the transmission of hepatitis C virus (HCV) is mainly parenteral, and have emphasized the role of nosocomial transmission. In Equatorial Africa, the respective contributions of parenteral and non-parenteral routes of transmission are unknown. The potential role of sexual transmission in this area of high HCV endemicity, where sexually transmitted infections (STI) are frequent, is suggested by the fact that HCV infection is rare in infants and young adolescents, but increases thereafter with age. The present study, conducted in Democratic Republic of Congo, was designed to determine the prevalence of HCV infection and associated sexual risk factors in two female populations with different sexual behaviour. Methods Cross-sectional studies conducted among commercial sex workers (CSW ; n=1144) and pregnant women (n=1092) in the late 1980s in Kinshasa showed a high frequency of at-risk sexual behaviour, STI and human immunodeficiency virus (HIV) infection, particularly among CSW. We screened samples collected during these epidemiological studies for antibodies to HCV using a second-generation ELISA with confirmation by a third-generation LIA. We also assessed sociodemographic variables, medical history, STI markers and sexual behaviour, and their potential association with HCV infection. Results The overall prevalence of anti-HCV was 6.6% (95% CI : 5.2-8.2) among CSW and 4.3% (95% CI : 3.2-5.7) among pregnant women (age-adjusted OR=1.5,95% CI : 1.0-2.1, P=0.05). Multivariate analysis showed that the presence of anti-HCV among CSW was independently associated with a previous history of blood transfusion (P<0.001), age>30 years (P<0.001) and the presence of at least one biological marker of STI (P<0.03). (...) |
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