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Congenital toxoplasmosis

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https://www.readbyqxmd.com/read/29330674/advances-in-serological-imaging-techniques-and-molecular-diagnosis-of-toxoplasma-gondii-infection
#1
REVIEW
Ali Rostami, Panagiotis Karanis, Shirzad Fallahi
BACKGROUND: Toxoplasmosis is worldwide distributed zoonotic infection disease with medical importance in immunocompromised patients, pregnant women and congenitally infected newborns. Having basic information on the traditional and new developed methods is essential for general physicians and infectious disease specialists for choosing a suitable diagnostic approach for rapid and accurate diagnosis of the disease and, consequently, timely and effective treatment. METHODS: We conducted English literature searches in PubMed from 1989 to 2016 using relevant keywords and summarized the recent advances in diagnosis of toxoplasmosis...
January 12, 2018: Infection
https://www.readbyqxmd.com/read/29319244/seroprevalence-of-toxoplasma-gondii-among-pregnant-women-in-northeast-india
#2
Biswajyoti Borkakoty, Dipankar Biswas, Aniruddha Jakharia, Jagadish Mahanta
Objective: Toxoplasma gondii infection is primarily asymptomatic and one third of world's population is estimated to be infected by this protozoan parasite. This study was carried out to determine the seroprevalence of T. gondii infection among pregnant women from north east India, where data on this important parasitic infection is scanty. Methods: A total of 1141 serum archival samples collected from antenatal clinic attendees in 2007-09, were screened for T. gondii IgG by ELISA and analyzed with their socio demographic information...
October 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29290459/large-macular-scar-secondary-to-congenital-toxoplasmosis
#3
T Abdellaoui, N Laaribi, Y Ajhoun, R Zerrouk, F Elasri, K Reda, A Oubaaz
No abstract text is available yet for this article.
December 28, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29230092/fetomaternal-and-pediatric-toxoplasmosis
#4
Helieh S Oz
Toxoplasmosis is one of the most important causes of foodborne illnesses and inflammatory complications, as well as congenital disorders. Promiscuous Toxoplasma is transmitted by contaminated food and animal produce, water, vegetations, fruits and sexually through semen. Toxoplasma infects nucleated cells with a unique tropism for muscles and central nervous system and a mind bugging malicious effect. Pregnant women with acute or reactivated toxoplasmosis can transmit Toxoplasma via transplacental to the fetus...
December 2017: Journal of pediatric infectious diseases
https://www.readbyqxmd.com/read/29229361/a-literature-review-on-maternal-fetal-and-reproductive-disorders-of-toxoplasma-gondii-infection
#5
REVIEW
Shirzad Fallahi, Ali Rostami, Malihe Nourollahpour Shiadeh, Hamed Behniafar, Shahrokh Paktinat
BACKGROUND: Toxoplasma gondii infection is one of the most prevalent infectious disease with worldwide distribution. Congenital toxoplasmosis is annually responsible for 1.20 million disability-adjusted life years around the world, but often it is overlooked many countries. METHODS: We performed an updated review to summarize the current researches on fetal, neonatal and maternal consequences of T. gondii infection and also adverse effects of toxoplasmosis on women reproductive organs...
December 8, 2017: Journal of Gynecology Obstetrics and Human Reproduction
https://www.readbyqxmd.com/read/29187938/review-of-toxoplasmosis-in-morocco-seroprevalence-and-risk-factors-for-toxoplasma-infection-among-pregnant-women-and-hiv-infected-patients
#6
REVIEW
Majda Laboudi
Toxoplasmosis is a disease caused by a protozoal parasite: Toxoplasma gondii. This infection can cause severe illness when the organism is contracted congenitally or when it is reactivated in immunosuppressed people. In this paper we review for the first time prevalence and risk factors of T. gondii among pregnant women and HIV-infected adults in Morocco. A systematic review methodology was used to consult three databases: Pub Med, Science Direct and Google Scholar dated until 2015, regarding prevalence data and risk factors of infection among pregnant women and people living with HIV...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29184607/-unilateral-macular-coloboma-about-a-case
#7
Meriem El Bahloul, Fouad Chraïbi, Marrakchi Mohammed, Meriem Abdellaoui, Idriss Benatiya
Macular coloboma is a congenital condition characterized by failure of closure of the fetal intraocular fissure which may have a hereditary origin. Clinically, it is characterized by decreased visual acuity with macular excavated lesion characterized by missing or rudimentary retinal tissue and scleral ectasia. Macular OCT strongly supports the diagnosis and electrophysiology examination, if requested, is altered. Differential diagnosis includes pathologies causing atrophic and excavated macular lesion, in particular congenital toxoplasmosis...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29177397/-not-everything-is-zika-congenital-toxoplasmosis-still-prevalent-in-colombia
#8
Jorge L Alvarado-Socarras, Keyla Meneses-Silvera, Andrea Carolina Zarate-Vergara, Carlos Guerrero-Gomez, Alfonso J Rodriguez-Morales
Congenital toxoplasmosis continues to be a public health threat. Even existing guidelines, publicly known, its implementation and lack of appropriate interpretation of serological tests in pregnancy is often observed. This leds to failure in opportunities for positive and known interventions to decrease the fetal risk due to Toxoplasma gondii infection. We reported herein a case series, with variable neurological and systemic compromise (respiratory distress, hepatosplenomegaly, enterocolitis, brain calcifications, thrombocytopenia, ascites, shock), even fatal, calling for awareness about the fact that despite the Zika epidemics in 2015-2016 in Brazil, Colombia and other countries, precisely toxoplasmosis, is a differential diagnosis still prevalent in these territories, that can leds to severe consequences, with neurological disability and risk of ocular damage, even lately...
April 2017: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/29170005/high-heterogeneity-mixed-infections-and-new-genotypes-in-human-congenital-toxoplasmosis-cases-in-the-mega-metropolis-of-central-mexico
#9
Claudia Patricia Rico-Torres, Luis Fernando Valenzuela-Moreno, Héctor Luna-Pastén, Ricardo Figueroa-Damián, Valeria Gómez-Toscano, Lorena Hernández-Delgado, Mónica Patricia Escobedo-Torres, Dolores Correa
Mexico presents high prevalence of Toxoplasma gondii infection, including the congenital form, but there are few data about the genetic diversity of the parasite, so we attempted parasite isolation and genotyping in nine mother/children pairs with congenital toxoplasmosis (CT), living in the Valley of Mexico, who were part of a 30 cases cohort that started 12 years ago. They were recruited through research projects which included pre- and postnatal screening of congenital infections or directly CT, and cases referred to INP for management because they had clinical abnormalities...
November 20, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29162597/prevalence-and-clinical-profile-of-microcephaly-in-south-america-pre-zika-2005-14-prevalence-and-case-control-study
#10
Iêda M Orioli, Helen Dolk, Jorge S Lopez-Camelo, Daniel Mattos, Fernando A Poletta, Maria G Dutra, Flavia M Carvalho, Eduardo E Castilla
Objective To describe the prevalence and clinical spectrum of microcephaly in South America for the period 2005-14, before the start of the Zika epidemic in 2015, as a baseline for future surveillance as the Zika epidemic spreads and as other infectious causes may emerge in future.Design Prevalence and case-control study.Data sources ECLAMC (Latin American Collaborative Study of Congenital Malformations) database derived from 107 hospitals in 10 South American countries, 2005 to 2014. Data on microcephaly cases, four non-malformed controls per case, and all hospital births (all births for hospital based prevalence, resident within municipality for population based prevalence)...
November 21, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29155634/how-does-imaging-of-congenital-zika-compare-with-imaging-of-other-torch-infections
#11
REVIEW
Deborah Levine, Jacques C Jani, Ilse Castro-Aragon, Mieke Cannie
The acronym TORCH is used to refer to congenital infections, such as toxoplasmosis, other infections (such as syphillis, varicella-zoster, and parvovirus B19), cytomegalovirus, and herpes simplex virus. The classic findings in patients with TORCH infections include rash in the mother during pregnancy and ocular findings in the newborn. Zika virus has emerged as an important worldwide congenital infection. It fits well with other congenital TORCH infections since there is a rash in the mother and there are commonly ocular abnormalities in the newborn...
December 2017: Radiology
https://www.readbyqxmd.com/read/29153066/-age-related-prevalence-of-toxoplasmosis-among-pregnant-women-in-hatay-estimation-depending-on-model
#12
Meryem Çetin, Şirin Çetin
Toxoplasmosis, caused by the obligate intracellular protozoan Toxoplasma gondii, is a common parasitic infection affecting approximately one-third of the world population. T.gondii infections are usually acquired by ingesting raw or insufficiently cooked meat and from unwashed fruits and vegetables contaminated with soil or water with cat feces. Primary infection acquired during pregnancy can cause severe congenital abnormalities in the fetus such as neurologic and ocular malformations, abortion, or stillbirth according to the degree of infection...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29091133/histopathology-of-murine-toxoplasmosis-under-treatment-with-dialyzable-leukocyte-extract
#13
Beatriz Eugenia Fuentes-Castro, Juan Gerardo Reyes-García, María Teresa Valenzuela-Vargas, Federico Martínez-Gómez
BACKGROUND: Dialyzable leukocyte extracts (DLEs) contain molecules smaller than 10 kDa with biological activity in receptor organisms. Primarily, they participate in the regulation of the Th1 immune response, which is essential for the control of several intracellular infections, such as toxoplasmosis. This disease is associated with congenital infection, encephalitis or systemic infections in immunocompromised individuals. The clinical course of this infection fundamentally depends on a well-regulated immune response and timely treatment with the appropriate drugs...
November 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28972027/choroidal-neovascularisation-triggered-multiple-evanescent-white-dot-syndrome-mewds-in-predisposed-eyes
#14
Thibaud Mathis, Benoit Delaunay, Armelle Cahuzac, Vivien Vasseur, Martine Mauget-Faÿsse, Laurent Kodjikian
BACKGROUND: Multiple evanescent white dot syndrome (MEWDS) is an inflammatory disease that can be associated with choroidalneovascularisation (CNV). However, few studies in the literature have described the occurrence of MEWDS in association with CNV. This paper discusses whether CNV can trigger MEWDS in a predisposed eye. METHODS: A retrospective multicentric case series of six eyes in six patients with acute onset of MEWDS and evidence of previous CNV was conducted between January 2015 and January 2017...
September 28, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28948861/prophylaxis-of-human-toxoplasmosis-a-systematic-review
#15
Senaka Rajapakse, Praveen Weeratunga, Chaturaka Rodrigo, Nipun Lakshitha de Silva, Sumadhya Deepika Fernando
Toxoplasmosis is an infection caused by the intracellular protozoan parasite Toxoplasma gondii, and is associated with clinically significant infection in immunocompromised individuals. Vertical transmission during pregnancy can manifest as congenital toxoplasmosis in the neonate, and can have serious consequences. This review aims to describe the modalities for prophylaxis of toxoplasmosis in susceptible populations, and focuses on the following: (1) prophylaxis of congenital toxoplasmosis; (2) prophylaxis of toxoplasmosis in patients with HIV/AIDS; and (3) prophylaxis of toxoplasmosis in transplant recipients...
September 26, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28929534/emerging-arboviruses-in-rio-grande-do-sul-brazil-chikungunya-and-zika-outbreaks-2014-2016
#16
Tatiana Schäffer Gregianini, Tani Ranieri, Cátia Favreto, Zenaida Marion Alves Nunes, Gabriela Luchiari Tumioto Giannini, Nara Druck Sanberg, Marilda Tereza Mar da Rosa, Ana Beatriz Gorini da Veiga
QUESTIONS INVESTIGATED: The recent emergence of arboviruses such as Chikungunya virus (CHIKV) and Zika virus (ZIKV) in Brazil has posed a threat to human health and to the country's economy. Outbreaks occur mainly in tropical areas; however, increasing number of cases have been observed in Rio Grande do Sul (RS), the Southernmost state; therefore, surveillance of these arboviruses is essential for public health measures. DESIGN: In this study, we analyzed 1276 samples from patients with clinically suspected arboviral diseases between 2014 and 2016...
September 20, 2017: Reviews in Medical Virology
https://www.readbyqxmd.com/read/28904337/toxoplasma-modulates-signature-pathways-of-human-epilepsy-neurodegeneration-cancer
#17
Huân M Ngô, Ying Zhou, Hernan Lorenzi, Kai Wang, Taek-Kyun Kim, Yong Zhou, Kamal El Bissati, Ernest Mui, Laura Fraczek, Seesandra V Rajagopala, Craig W Roberts, Fiona L Henriquez, Alexandre Montpetit, Jenefer M Blackwell, Sarra E Jamieson, Kelsey Wheeler, Ian J Begeman, Carlos Naranjo-Galvis, Ney Alliey-Rodriguez, Roderick G Davis, Liliana Soroceanu, Charles Cobbs, Dennis A Steindler, Kenneth Boyer, A Gwendolyn Noble, Charles N Swisher, Peter T Heydemann, Peter Rabiah, Shawn Withers, Patricia Soteropoulos, Leroy Hood, Rima McLeod
One third of humans are infected lifelong with the brain-dwelling, protozoan parasite, Toxoplasma gondii. Approximately fifteen million of these have congenital toxoplasmosis. Although neurobehavioral disease is associated with seropositivity, causality is unproven. To better understand what this parasite does to human brains, we performed a comprehensive systems analysis of the infected brain: We identified susceptibility genes for congenital toxoplasmosis in our cohort of infected humans and found these genes are expressed in human brain...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28883820/decidual-macrophage-functional-polarization-during-abnormal-pregnancy-due-to-toxoplasma-gondii-role-for-lilrb4
#18
Zhidan Li, Mingdong Zhao, Teng Li, Jing Zheng, Xianbing Liu, Yuzhu Jiang, Haixia Zhang, Xuemei Hu
During gestation, Toxoplasma gondii infection produces a series of complications including stillbirths, abortions, and congenital malformations. The inhibitory receptor, LILRB4, which is mainly expressed by professional antigen-presenting cells (especially macrophages and dendritic cells) may play an important immune-regulatory role at the maternal-fetal interface. To assess the role of LILRB4 during T. gondii infection, LILRB4(-/-) and T. gondii infected pregnant mouse models were established. Further, human primary-decidual macrophages were treated with anti-LILRB4 neutralizing antibody and then infected with T...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28879584/adverse-event-profile-of-pyrimethamine-based-therapy-in-toxoplasmosis-a-systematic-review
#19
REVIEW
Ruben R Ben-Harari, Elizabeth Goodwin, Julio Casoy
INTRODUCTION: Approximately a third of the population worldwide is chronically infected with Toxoplasma gondii. Pyrimethamine-based regimens are recommended for the treatment of toxoplasmosis. OBJECTIVE: The aim was to evaluate the safety profile of pyrimethamine-based treatment for the three main Toxoplasma manifestations: toxoplasmic encephalitis (TE), ocular toxoplasmosis, and congenital toxoplasmosis. METHODS: PubMed, Cochrane Library, and Google Scholar databases were searched through August 1, 2016...
December 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28851620/diagnosis-of-congenital-toxoplasmosis-in-a-renal-transplant-recipient-mother
#20
M Hermann, H Yéra, I Villena, B Cimon, E Thervet, A Benachi
We report the case of a first trimester toxoplasmosis infection in a renal transplant recipient. Real-time polymerase chain reaction in amniotic fluid at 18 weeks was negative for Toxoplasma gondii but at 26 weeks major fetal hydrocephalus was discovered leading to medical termination of pregnancy. Pathological examination confirmed lesions consistent with congenital toxoplasmosis. The herein case report, as well as data from the French reference centre for congenital Toxoplamosis (1835 cases in the past eight years), suggests that the strategy of management of pregnancy's first trimester Toxoplasmosis infection in patients treated by immunosuppressive therapy needs to be reconsidered...
October 2017: Journal of Gynecology Obstetrics and Human Reproduction
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