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Toxo congênita

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51 papers 0 to 25 followers
https://www.readbyqxmd.com/read/24861294/toxoplasmosis-an-examination-of-knowledge-among-health-professionals-and-pregnant-women-in-a-municipality-of-the-state-of-paran%C3%A3
#1
Ana Paula Contiero-Toninato, Helenara Osorio Cavalli, Ariella Andrade Marchioro, Erika Cristina Ferreira, Marcela Caleffi da Costa Lima Caniatti, Regina Mitsuka Breganó, Italmar Navarro, Ana Lucia Falavigna-Guilherme
INTRODUCTION: The aim of this study was to investigate the knowledge of toxoplasmosis among professionals and pregnant women in the public health services in Paraná, Brazil. METHODS: A cross-sectional observational and transversal study of 80 health professionals (44 nurses and 36 physicians) and 330 pregnant women [111 immunoglobulin M (IgM)- and IgG-non-reactive and 219 IgG-reactive] was conducted in 2010. An epidemiological data questionnaire was administered to the professionals and to the pregnant women, and a questionnaire about the clinical aspects and laboratory diagnosis of toxoplasmosis was administered to the professionals...
March 2014: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/24523920/adverse-socioeconomic-conditions-and-oocyst-related-factors-are-associated-with-congenital-toxoplasmosis-in-a-population-based-study-in-minas-gerais-brazil
#2
Ericka Viana Machado Carellos, Gláucia Manzan Queiroz de Andrade, Daniel Vitor Vasconcelos-Santos, José Nélio Januário, Roberta Maia Castro Romanelli, Mery Natali Silva Abreu, Fabiana Maria da Silva, Ivy Rosa Coelho Loures, Juliana Queiroz de Andrade, Waleska Teixeira Caiaffa
OBJECTIVE: Congenital toxoplasmosis is a public health problem in Brazil. This study aimed to determine risk factors associated with congenital toxoplasmosis in Minas Gerais which is the second largest Brazilian State based on number of inhabitants, and its territorial extension is larger than that of France. METHODS: Population-based case-control study to assess the association between congenital toxoplasmosis and maternal exposure to infection risk factors. The study included mothers/children participating in the Minas Gerais Newborn Screening Program...
2014: PloS One
https://www.readbyqxmd.com/read/24064557/toxoplasmosis-in-pregnancy-in-an-area-with-low-seroprevalence-is-prenatal-screening-still-worthwhile
#3
Maria Grazia Capretti, Morena De Angelis, Elisabetta Tridapalli, Azzurra Orlandi, Antonella Marangoni, Alessandra Moroni, Brunella Guerra, Santo Arcuri, Concetta Marsico, Giacomo Faldella
BACKGROUND: The effectiveness of Toxoplasma gondii (Tg) screening during pregnancy in areas with a low prevalence of the infection is debated. We investigate the Tg serological status, the rate of primary infection in a cohort of pregnant women and the rate of congenital toxoplasmosis among their infants during a 3-year period in an urban area with low Tg prevalence. METHODS: Demographic and Tg serological data for all pregnant women delivering from January 2009 to December 2011 were collected...
January 2014: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/23825877/the-global-burden-of-congenital-toxoplasmosis-a-systematic-review
#4
REVIEW
Paul R Torgerson, Pierpaolo Mastroiacovo
OBJECTIVE: To estimate the global burden of congenital toxoplasmosis (CT), which results from infection of pregnant women with Toxoplasma gondii. METHODS: The authors systematically searched 9 major databases for published and unpublished sources and established direct contact with the authors of source materials. Searches were country-specific. To be included, studies had to report on the incidence of CT, on positivity to Toxoplasma-specific IgM in infants and pregnant women (including seroconversion results) or on positivity to Toxoplasma-specific IgG in the general population...
July 1, 2013: Bulletin of the World Health Organization
https://www.readbyqxmd.com/read/23823156/congenital-toxoplasmosis-in-the-state-of-minas-gerais-brazil-a-neglected-infectious-disease
#5
E V M Carellos, W T Caiaffa, G M Q Andrade, M N S Abreu, J N Januário
This study aimed to investigate the distribution of congenital toxoplasmosis in the state of Minas Gerais, Southeastern Brazil and describe the demographic and socioeconomic profile of the municipalities associated with the disease. An ecological study was conducted using socioeconomic indicators of a database (MGSSRI) created by Fundação João Pinheiro (a government technical support agency of Minas Gerais), in order to show the development of the municipalities in the state. The prevalence of toxoplasmosis was the outcome and the items of the MGSSRI were the explanatory variables...
March 2014: Epidemiology and Infection
https://www.readbyqxmd.com/read/23352717/-the-spanish-society-of-pediatric-infectious-diseases-guidelines-for-the-diagnosis-and-treatment-of-congenital-toxoplasmosis
#6
F Baquero-Artigao, F del Castillo Martín, I Fuentes Corripio, A Goncé Mellgren, C Fortuny Guasch, M de la Calle Fernández-Miranda, M I González-Tomé, J A Couceiro Gianzo, O Neth, J T Ramos Amador
Congenital toxoplasmosis is the result of transplacental fetal infection by Toxoplasma gondii after the primary maternal infection. The severity of the disease depends on the gestational age at transmission. First trimester infections are more severe, but less frequent, than third trimester infections. Acute maternal infection is diagnosed by seroconversion or by the detection of IgM antibodies and a low IgG avidity test. In these cases, spiramycin should be initiated to prevent transmission to the fetus. For identification of fetal infection, polymerase chain reaction (PCR) testing of amniotic fluid after 18 weeks gestation should be performed...
August 2013: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/22974376/birth-prevalence-and-characteristics-of-congenital-toxoplasmosis-in-sergipe-north-east-brazil
#7
Ana Dorcas de Melo Inagaki, Cristina Gardonyi Carvalheiro, Rosana Cipolotti, Ricardo Queiroz Gurgel, Dayse Alves Rocha, Kariny Souza Pinheiro, Raquel Melo Araújo, Dorothy Ribeiro Resende Lima, Jacques Leon Winandy, Marisa Márcia Mussi-Pinhata
OBJECTIVES: To estimate, by neonatal screening, the birth prevalence of congenital toxoplasmosis among live-born infants in Sergipe state, Brazil, and to investigate the clinical features of affected infants. METHODS: Dried blood spot specimens obtained from 15 204 neonates were assayed for the presence of anti-T. gondii IgM antibodies. Duplicate retesting was done in infants with positive and borderline results. Confirmatory testing in peripheral blood samples consisted of testing for anti-T...
November 2012: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/22522069/association-between-the-risk-of-congenital-toxoplasmosis-and-the-classification-of-toxoplasmosis-in-pregnant-women-and-prenatal-treatment-in-brazil-1994-2009
#8
Liú Campello Porto, Elisabeth Carmen Duarte
OBJECTIVES: The objectives of this study were to analyze the association between the classification of toxoplasmosis in the pregnant woman (TP) according to the classification of Lebech et al. and the incidence of congenital toxoplasmosis (CT), also taking into consideration prenatal treatment. METHODS: A clinical cohort study of 524 children followed-up until 1 year of age was conducted. Adjusted odds ratios (OR) were estimated by logistic regression. RESULTS: Of 519 pregnant women, 61...
July 2012: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/22510829/early-diagnosis-of-congenital-toxoplasmosis-in-newborn-infants-using-igg-subclasses-against-two-toxoplasma-gondii-recombinant-proteins
#9
Carlos Henryque de Souza e Silva, Gláucia Queiroz de Andrade, José Nélio Januário, Ana Carolina de Aguiar Vasconcelos Carneiro, Mariangela Carneiro, Daniel Vitor Vasconcelos-Santos, Ricardo Wagner de Almeida Vitor
The aim of this work was to evaluate the utility of ELISA-based testing of total IgG (IgGt) antibodies and its subclasses (IgG1, IgG2, IgG3 and IgG4) against soluble (STAg) and recombinant (rSAG1 and rMIC3) antigens of Toxoplasma gondii for diagnosing congenital toxoplasmosis. Sera from 217 newborns initially testing positive for specific IgM in filter paper dried blood spots were tested for specific IgM and IgG by ELFA-VIDAS. Congenital toxoplasmosis was confirmed in 175 and ruled out in 42 infants. The validity of the ELISA tests was determined using the persistence of IgG antibodies (ELFA-VIDAS kit) at the end of 12 months, which is considered the reference test for the diagnosis of congenital toxoplasmosis...
May 2012: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/22491772/epidemiology-of-and-diagnostic-strategies-for-toxoplasmosis
#10
REVIEW
Florence Robert-Gangneux, Marie-Laure Dardé
The apicomplexan parasite Toxoplasma gondii was discovered a little over 100 years ago, but knowledge of its biological life cycle and its medical importance has grown in the last 40 years. This obligate intracellular parasite was identified early as a pathogen responsible for congenital infection, but its clinical expression and the importance of reactivations of infections in immunocompromised patients were recognized later, in the era of organ transplantation and HIV infection. Recent knowledge of host cell-parasite interactions and of parasite virulence has brought new insights into the comprehension of the pathophysiology of infection...
April 2012: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/22184947/-diagnostic-problems-with-congenital-toxoplasmosis
#11
REVIEW
Grzegorz Karczewski, Elzbieta Gołab
Congenital toxoplasmosis results from the primary infection with Toxoplasma gondii during the pregnancy. The more advanced pregnancy the higher risk of foetus infection, however the symptoms might be mild or the infection can be asymptomatic. However, undiagnosed infection in a new born baby results in further development of the disease in early childhood reflecting in sight and hearing impairment, neurological symptoms or mental retardation. Systematic and frequent serologic tests performed during the pregnancy can lead to the early diagnosis of primary infection and help to implement the treatment which slows down the disease progression in children with intrauterine infection...
2011: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/22006453/adverse-fetal-outcome-in-the-absence-of-timely-prenatal-diagnosis-of-congenital-toxoplasmosis
#12
Tijana Zivković, Vladimir Ivović, Marija Vujanić, Ivana Klun, Branko Bobić, Aleksandra Nikolić, Olgica Djurković-Djaković
OBJECTIVE: Toxoplasma gondii infection acquired during pregnancy may lead to transplacental transmission and jeopardize the course and outcome of pregnancy, leading to life-threatening disease in the fetus and the newborn. CASE REPORT: Here we present a case of medically terminated pregnancy due to clinically manifested congenital toxoplasmosis (CT) which was proven serologically, as well as by bioassay. Ultrasonographically visualized severe fetal ventriculomegaly in a seven-month pregnant 33-year-old woman with a history of three months of lymphadenopathy was an indication for extensive testing for toxoplasmosis...
October 2011: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/21980546/maternal-serologic-screening-to-prevent-congenital-toxoplasmosis-a-decision-analytic-economic-model
#13
Eileen Stillwaggon, Christopher S Carrier, Mari Sautter, Rima McLeod
OBJECTIVE: To determine a cost-minimizing option for congenital toxoplasmosis in the United States. METHODOLOGY/PRINCIPAL FINDINGS: A decision-analytic and cost-minimization model was constructed to compare monthly maternal serological screening, prenatal treatment, and post-natal follow-up and treatment according to the current French (Paris) protocol, versus no systematic screening or perinatal treatment. Costs are based on published estimates of lifetime societal costs of developmental disabilities and current diagnostic and treatment costs...
September 2011: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/20967235/prenatal-treatment-for-serious-neurological-sequelae-of-congenital-toxoplasmosis-an-observational-prospective-cohort-study
#14
MULTICENTER STUDY
Mario Cortina-Borja, Hooi Kuan Tan, Martine Wallon, Malgorzata Paul, Andrea Prusa, Wilma Buffolano, Gunilla Malm, Alison Salt, Katherine Freeman, Eskild Petersen, Ruth E Gilbert
BACKGROUND: The effectiveness of prenatal treatment to prevent serious neurological sequelae (SNSD) of congenital toxoplasmosis is not known. METHODS AND FINDINGS: Congenital toxoplasmosis was prospectively identified by universal prenatal or neonatal screening in 14 European centres and children were followed for a median of 4 years. We evaluated determinants of postnatal death or SNSD defined by one or more of functional neurological abnormalities, severe bilateral visual impairment, or pregnancy termination for confirmed congenital toxoplasmosis...
October 2010: PLoS Medicine
https://www.readbyqxmd.com/read/20587361/congenital-toxoplasmosis-in-france-in-2007-first-results-from-a-national-surveillance-system
#15
I Villena, T Ancelle, C Delmas, P Garcia, A P Brezin, P Thulliez, M Wallon, L King, V Goulet
When immunocompetent people become infected with the parasite Toxoplasma gondii, the disease is generally asymptomatic. However, transplacental transmission of T. gondii may lead to severe congenital infection including in utero abortion, foetal death, or neurological or ocular damage of the foetus. France has had a national programme to prevent congenital toxoplasmosis since 1978. However, although estimated seroprevalence in pregnant women has fallen from 84% in the 1960s to 44% in 2003, no reliable data have been available on the annual number of cases of congenital toxoplasmosis or the severity of infection...
June 24, 2010: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/20585987/congenital-toxoplasmosis-a-report-on-the-danish-neonatal-screening-programme-1999-2007
#16
Dennis Röser, Henrik Vedel Nielsen, Eskild Petersen, Peter Saugmann-Jensen, Bent Nørgaard-Pedersen, Peter Bent Nørgaard-Pedersen
OBJECTIVES: This paper reports on the national neonatal screening programme for congenital toxoplasmosis (CT) in Denmark conducted from 1999 to 2007, including background, basis for initiation of screening, methods, results, and finally reasons for the discontinuation of the screening. METHODS: A nationwide screening was conducted at Statens Serum Institut, including >98% newborns, and using filter paper eluates (Guthrie card, PKU card) obtained from newborns 5-10 days old...
October 2010: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/19952858/in-utero-and-at-birth-diagnosis-of-congenital-toxoplasmosis-use-of-likelihood-ratios-for-clinical-management
#17
Muriel Rabilloud, Martine Wallon, François Peyron
BACKGROUND: The results of the ante- and neonatal diagnostic tests for congenital toxoplasmosis influence the decision to treat the newborn immediately after birth. Here, we estimate the positive and negative likelihood ratios (LRs) and the probabilities of congenital infection according to PCR and IgM-IgA tests results. METHODS: The study concerned 767 children born between 1996 and 2002 and followed-up for 1-year at Croix-Rousse hospital, Lyon, France. The LRs and the post-test probabilities were estimated conditionally on gestational age at maternal infection using a logistic regression approach...
May 2010: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/19926248/-management-of-congenital-toxoplasmosis-in-france-current-data
#18
REVIEW
Patricia Garcia-Méric, Jacqueline Franck, Henri Dumon, Renaud Piarroux
Congenital toxoplasmosis is caused by transplacental contamination of the fetus withToxoplasma gondiifollowing maternal primary infection. The risk of mother-to-child transmission depends on the term of pregnancy at the time of maternal infection. The risk is lower than 5% in the first trimester but can reach 90% in the last days of pregnancy. Inversely, however, fetal disease is more severe when contamination occurs early in pregnancy. The French prevention program officially recommends monthly serological screening of susceptible women during pregnancy and information about hygiene and dietary rules...
May 2010: La Presse Médicale
https://www.readbyqxmd.com/read/19744724/congenital-toxoplasmosis-in-southeastern-brazil-results-of-early-ophthalmologic-examination-of-a-large-cohort-of-neonates
#19
Daniel Vitor Vasconcelos-Santos, Danuza O Machado Azevedo, Wesley R Campos, Fernando Oréfice, Gláucia M Queiroz-Andrade, Ericka V Machado Carellos, Roberta M Castro Romanelli, José Nelio Januário, Luciana Macedo Resende, Olindo Assis Martins-Filho, Ana Carolina de Aguiar Vasconcelos Carneiro, Ricardo W Almeida Vitor, Waleska Teixeira Caiaffa
OBJECTIVE: To report results of early ophthalmologic examinations in a large cohort of newborns with congenital toxoplasmosis (CT) after neonatal screening. DESIGN: Cross-sectional analysis of a cohort. PARTICIPANTS: A total of 178 newborns with confirmed CT from 146,307 screened babies (95% of live births) from Minas Gerais state, southeastern Brazil. METHODS: From November 2006 to May 2007, newborns underwent neonatal screening by immunoglobulin (Ig)M capture of dried blood samples...
November 2009: Ophthalmology
https://www.readbyqxmd.com/read/19430670/diagnosis-of-congenital-toxoplasmosis-prenatal-and-neonatal-evaluation-of-methods-used-in-toulouse-university-hospital-and-incidence-of-congenital-toxoplasmosis
#20
M H Bessières, A Berrebi, S Cassaing, J Fillaux, J P Cambus, A Berry, C Assouline, J M Ayoubi, J F Magnaval
The aim of this study was to determine the incidence of congenital toxoplasmosis (CT) and to assess the performances of prenatal and neonatal diagnoses. From 1994-2005, in Toulouse University Hospital, France, amniocentesis was performed on 352 pregnant women who were infected during pregnancy. All women were treated with spiramycin and pyrimethamine-sulfadoxine when prenatal diagnosis was positive. Among the 275 foetuses with follow-up, 66 (24%) were infected. The transmission rates of Toxoplasma gondii were 7%, 24% and 59% in the first, second and third trimesters, respectively...
March 2009: Memórias do Instituto Oswaldo Cruz
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