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Licensed Unlicensed Requires Authentication Published by De Gruyter September 25, 2015

Association between immunoreactivity to Anisakis spp. antigens and high-risk pregnancy

Israel Figueiredo, Mauricio Vericimo, Luciana Terra, Taylane Ferreira, Sergio Carmona São Clemente and Gerlinde Teixeira
From the journal Acta Parasitologica


Numerous factors contribute to perinatal risk, many of which remain undefined. This study sought to determine the frequency of fish intake in postpartum women, and to establish a relationship between the rates of immunoreactivity for antigens from Anisakis spp. and high-risk pregnancy. In this prospective noninterventional study, a structured questionnaire was administered and serum was collected from postpartum women at two perinatal centers (a high-risk birth unit [HRBU] and a low-risk birth unit [LRBU]) in the Niteroi municipality of Brazil. Anisakis species-specific IgG and IgE were measured by ELISA. The chisquared test was performed, and odds ratios (ORs) with their 95% confidence intervals were estimated. The t-test or Mann-Whitney test was applied to continuous, normally distributed variables. In total, 309 women (170 from HRBU, 139 from LRBU) between 24.8 and 26.7 years old with a median of 6 to 8 prenatal visits were enrolled. Women in the two units exhibited differences in some variables, including prenatal care (p = 0.01), maternal and fetal risk (p = 0.00; OR = 6.17), and gestational age (p = 0.00), but no differences in fish consumption (p = 0.29), frequency of fish intake (p = 0.40), allergic symptoms (p = 0.51), or frequency of anti-Anisakis reactivity (p = 0.22). Logistic regression analysis revealed that only age was independently associated with postpartum anti-Anisakis reactivity. This study confirmed a low prevalence of fish intake and suggested that Anisakis spp. had no impact on high-risk pregnancies among this postpartum study population.


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Received: 2014-9-12
Revised: 2015-3-20
Accepted: 2015-4-28
Published Online: 2015-9-25
Published in Print: 2015-12-1

W. Stefański Institute of Parasitology, PAS