PMID: 9430360Jan 1, 1997Paper

Transmission of hepatitis C virus to infants of human immunodeficiency virus-negative intravenous drug-using mothers: rate of infection and assessment of risk factors for transmission

Journal of Viral Hepatitis
J D SpencerY E Cossart

Abstract

The risk of perinatal transmission of hepatitis C virus (HCV) from a cohort of 95 human immunodeficiency virus (HIV)-negative intravenous drug users (IVDU) is described, 89 of whom were positive for antibodies to HCV (anti-HCV). Infection, defined as the presence of HCV RNA in a serum sample collected from an infant at any time during follow-up, was detected in six of 63 (9.5%) infants born to HCV antibody-positive viraemic mothers. No mother who was HCV RNA negative at delivery transmitted HCV to her infant. Hepatitis C virus antibodies became undetectable in uninfected infants by 15 months, but persisted in all HCV-infected infants throughout follow-up. An abnormal alanine aminotransferase (ALT) level was observed on at least one occasion in all HCV-infected infants and in six occasions in uninfected infants. Two of the six HCV-infected infants became HCV RNA negative during follow-up by 27 and 29 months. Both of these infants had a large ALT elevation (mean peak ALT 398U l-1) at around 12 months of age. Analysis of a range of potential risk factors revealed that maternal HCV RNA load was important in predicting transmission, but suggested that other factors play a role in perinatal transmission from mother to child. No diffe...Continue Reading

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