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Revista chilena de infectología

versión impresa ISSN 0716-1018

Resumen

IZQUIERDO, Giannina et al. Screening of hepatitis B in high risk Chilean and immigrant pregnant women: Management of mother to child transmission. Rev. chil. infectol. [online]. 2019, vol.36, n.5, pp.576-584. ISSN 0716-1018.  http://dx.doi.org/10.4067/S0716-10182019000500576.

Background:

Chile is a low-endemic HBV country, but countries with the highest migratory flow to Chile have an intermediate-high endemicity. In order to avoid vertical transmission of HBV, immunoprophylaxis (IP) in the newborn (NB) is a key factor.

Aim:

To identify HBsAg prevalence in pregnant immigrants and Chilean pregnant women with risk behaviors (RB) and to asses IP use in the NB.

Material and Methods:

Prospective HBsAg screening cohort of immigrant and Chilean pregnant women with RB, between July 1, 2017 and June 30, 2018 in CABL. IP of all NB of reactive HBsAg mothers was assessed.

Results:

1,415 HBsAg samples, 1,265 immigrants and 150 Chileans with RB. 37 reactive HBsAg. Two false positive. HBsAg prevalence in immigrant pregnant women was 2.7% and 0.66% in Chileans with RB (p < 0.05). 91.1% came from Haiti, with a prevalence of 3.5% in our region. All NB (36) received IP with a median of administration of 3:02 h.

Conclusions:

The prevalence in immigrant pregnant women was higher than that reported in the general population and in Chilean women with RB. We proposed the need for universal screening in pregnancy, especially in pregnant women from countries with intermediate-high endemicity.

Palabras clave : Hepatitis B; vertical transmission; screening; immunoprophylaxis.

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