Viral load in HCV RNA-positive pregnant women

D. M. Paternoster, C. Santarossa, P. Grella, G. Palć, V. Baldo, P. Boccagni, A. Floreani

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

OBJECTIVES: The risk of hepatitis C virus (HCV) infection in the newborn is estimated to be around 5%, but becomes very high in the case of coinfection with HIV. One of the main factors associated with the vertical transmission of HCV is the viral load. Our objective was to investigate the behavior of HCV viral load during pregnancy in relation to HIV coinfection, liver enzymes, and vertical transmission. METHODS: Three thousand seven hundred forty-eight women seen consecutively in their first trimester of pregnancy were screened for HCV infection. Sixty-five were found to be anti-HCV+/HCV RNA + and were followed up with clinical and serological assessment (i.e., transaminases and quantitative polymerase chain reaction [PCR] for viral load) in their second and third trimesters and 6 months after delivery. All were anti-HIV and hepatitis B surface antigen negative. HCV RNA was 12.0 ± 19.9 × 106 copies/ml in the first trimester and 10.9 ± 13.3 × 106 in the second, but increased to 19.5 ± 25.1 × 106 in the third trimester. Six months after delivery the viral load returned to the baseline levels; the changes in viral load did not reach any statistical significance, however. Transaminases tended toward a reduction from the baseline during the second and third trimesters, and then an increase in both AST and ALT was recorded 6 months after delivery. However, when the group whose AST/ALT were found abnormal at the first test was considered, no significant changes were recorded during the follow-up. The overall rate of vertical transmission was 4.6%. CONCLUSIONS: With HCV+ mothers monitoring transaminases during pregnancy is unnecessary, and testing liver enzymes at the beginning of pregnancy is sufficient. Qualitative PCR should be done once during the pregnancy, but any staging of the liver disease should be taken after delivery. Quantitative PCR testing is expensive and pointless. Any decision for elective cesarean section in HCV RNA+ mothers should be confirmed by other studies.

Lingua originaleInglese
pagine (da-a)2751-2754
Numero di pagine4
RivistaAmerican Journal of Gastroenterology
Volume96
Numero di pubblicazione9
DOI
Stato di pubblicazionePubblicato - 2001
Pubblicato esternamente

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