Serosurvey of anti-Toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern Brazil.

Toxocariasis is worldwide endemic parasitic anthropozoonosis with high risk to those in in vulnerable populations and particularly during pregnancy and childhood. Although the prevalence of anti-Toxocara spp. antibodies has been extensively studied, risk factors of pregnant women of different ages r...

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Autores principales: Priscila de Oliveira Azevedo, Susana Zevallos Lescano, Rogério Giuffrida, Louise Bach Kmetiuk, Andrea Pires Dos Santos, Sriveny Dangoudoubiyam, Alexander Welker Biondo, Vamilton Alvares Santarém
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Acceso en línea:https://doaj.org/article/e08872eaaab34b528d7640a2b63a7365
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spelling oai:doaj.org-article:e08872eaaab34b528d7640a2b63a73652021-12-02T20:23:42ZSerosurvey of anti-Toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern Brazil.1935-27271935-273510.1371/journal.pntd.0009571https://doaj.org/article/e08872eaaab34b528d7640a2b63a73652021-08-01T00:00:00Zhttps://doi.org/10.1371/journal.pntd.0009571https://doaj.org/toc/1935-2727https://doaj.org/toc/1935-2735Toxocariasis is worldwide endemic parasitic anthropozoonosis with high risk to those in in vulnerable populations and particularly during pregnancy and childhood. Although the prevalence of anti-Toxocara spp. antibodies has been extensively studied, risk factors of pregnant women of different ages remains to be established. This study was designed to i) assess the presence of anti-Toxocara spp. antibodies in pregnant women that presented to the public health system in a city of southeastern Brazil, and ii) determine the risk factors for toxocariasis in adolescent and adult pregnant women. This cross-sectional study included 280 pregnant women (71 aged up to and including 17 years [adolescents] and 209 aged 18 years and older [adults]). Pregnant women voluntarily agreed to complete a socioeconomic questionnaire and provide serum samples. Anti-Toxocara IgG antibodies were screened by Enzyme-Linked Immunosorbent Assay (ELISA). Univariable and multivariable logistic regression models were performed to assess the risks for toxocariasis. Overall, 20.7% of pregnant women were seropositive (33.8% of adolescents and 16.3% of adults). Prevalence in pregnant adolescents was 2.6-fold higher than in adults (Odds ration [OR]: 2.63; 95% CI: 1.42-4.86, p = 0.003). Multivariate analysis revealed that contact with soil (p = 0.01; OR = 4.76) and being in the first trimester of pregnancy (p = 0.03; OR = 0.17) had significantly greater risk of toxocariasis for adolescents, and attainment of elementary through middle school education level (p = 0.05; OR = 8.33) was a risk factor in adult pregnant women. Toxocariasis is likely underreported and neglected in adolescent pregnant women; this age group should always be monitored for toxocariasis and correspondent clinical signs, particularly at late pregnancy.Priscila de Oliveira AzevedoSusana Zevallos LescanoRogério GiuffridaLouise Bach KmetiukAndrea Pires Dos SantosSriveny DangoudoubiyamAlexander Welker BiondoVamilton Alvares SantarémPublic Library of Science (PLoS)articleArctic medicine. Tropical medicineRC955-962Public aspects of medicineRA1-1270ENPLoS Neglected Tropical Diseases, Vol 15, Iss 8, p e0009571 (2021)
institution DOAJ
collection DOAJ
language EN
topic Arctic medicine. Tropical medicine
RC955-962
Public aspects of medicine
RA1-1270
spellingShingle Arctic medicine. Tropical medicine
RC955-962
Public aspects of medicine
RA1-1270
Priscila de Oliveira Azevedo
Susana Zevallos Lescano
Rogério Giuffrida
Louise Bach Kmetiuk
Andrea Pires Dos Santos
Sriveny Dangoudoubiyam
Alexander Welker Biondo
Vamilton Alvares Santarém
Serosurvey of anti-Toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern Brazil.
description Toxocariasis is worldwide endemic parasitic anthropozoonosis with high risk to those in in vulnerable populations and particularly during pregnancy and childhood. Although the prevalence of anti-Toxocara spp. antibodies has been extensively studied, risk factors of pregnant women of different ages remains to be established. This study was designed to i) assess the presence of anti-Toxocara spp. antibodies in pregnant women that presented to the public health system in a city of southeastern Brazil, and ii) determine the risk factors for toxocariasis in adolescent and adult pregnant women. This cross-sectional study included 280 pregnant women (71 aged up to and including 17 years [adolescents] and 209 aged 18 years and older [adults]). Pregnant women voluntarily agreed to complete a socioeconomic questionnaire and provide serum samples. Anti-Toxocara IgG antibodies were screened by Enzyme-Linked Immunosorbent Assay (ELISA). Univariable and multivariable logistic regression models were performed to assess the risks for toxocariasis. Overall, 20.7% of pregnant women were seropositive (33.8% of adolescents and 16.3% of adults). Prevalence in pregnant adolescents was 2.6-fold higher than in adults (Odds ration [OR]: 2.63; 95% CI: 1.42-4.86, p = 0.003). Multivariate analysis revealed that contact with soil (p = 0.01; OR = 4.76) and being in the first trimester of pregnancy (p = 0.03; OR = 0.17) had significantly greater risk of toxocariasis for adolescents, and attainment of elementary through middle school education level (p = 0.05; OR = 8.33) was a risk factor in adult pregnant women. Toxocariasis is likely underreported and neglected in adolescent pregnant women; this age group should always be monitored for toxocariasis and correspondent clinical signs, particularly at late pregnancy.
format article
author Priscila de Oliveira Azevedo
Susana Zevallos Lescano
Rogério Giuffrida
Louise Bach Kmetiuk
Andrea Pires Dos Santos
Sriveny Dangoudoubiyam
Alexander Welker Biondo
Vamilton Alvares Santarém
author_facet Priscila de Oliveira Azevedo
Susana Zevallos Lescano
Rogério Giuffrida
Louise Bach Kmetiuk
Andrea Pires Dos Santos
Sriveny Dangoudoubiyam
Alexander Welker Biondo
Vamilton Alvares Santarém
author_sort Priscila de Oliveira Azevedo
title Serosurvey of anti-Toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern Brazil.
title_short Serosurvey of anti-Toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern Brazil.
title_full Serosurvey of anti-Toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern Brazil.
title_fullStr Serosurvey of anti-Toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern Brazil.
title_full_unstemmed Serosurvey of anti-Toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern Brazil.
title_sort serosurvey of anti-toxocara antibodies and risk factors in adolescent and adult pregnant women of southeastern brazil.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/e08872eaaab34b528d7640a2b63a7365
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