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Toxocara canis in childrens

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https://www.readbyqxmd.com/read/28984036/a-cross-sectional-study-of-intestinal-parasitoses-in-dogs-and-children-of-the-periurban-area-of-la-plata-buenos-aires-argentina-zoonotic-importance-and-implications-in-public-health
#1
P Cociancic, M L Zonta, G T Navone
A cross-sectional study was performed between school term dates 2014 and 2015 to diagnose intestinal parasites in dogs and children living with them. The socio-environmental characteristics and hygiene practices of the children were also evaluated in terms of risk factors for parasitic infection of periurban neighbourhoods of La Plata (Buenos Aires, Argentina). Serial coproparasitological samples of 78 dogs and 211 children were analysed by means of concentration and flotation techniques. Socio-environmental variables and hygiene practices of children were evaluated through semi-structured questionnaires which were answered by every family...
October 5, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28820703/assessment-of-u-s-pediatrician-knowledge-of-toxocariasis
#2
Dana M Woodhall, Amanda P Garcia, Craig A Shapiro, Shequenta L Wray, Andi L Shane, Chitra S Mani, Kelly K Stimpert, LeAnne M Fox, Susan P Montgomery
Toxocariasis, one of a group of parasitic diseases known as neglected parasitic infections, is a disease caused by the larvae of two species of Toxocara roundworms, Toxocara canis, from dogs, and less commonly Toxocara cati, from cats. Although most infected individuals are asymptomatic, clinical manifestations may include fever, fatigue, coughing, wheezing, or abdominal pain (visceral toxocariasis) or vision loss, retina damage, or eye inflammation (ocular toxocariasis). To assess U.S. pediatrician knowledge of toxocariasis, we conducted an electronic survey of American Academy of Pediatrics members...
October 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28761466/epidemiological-study-of-toxocar-canis-in-children-under-14-years-old-and-dogs-in-zabol-and-chabahar-districts-southeast-of-iran
#3
Mehdi Khoshsima Shahraki, Mansour Dabirzadeh, Mahdi Afshari, Yahya Maroufi
BACKGROUND: The purpose of this study was seroepidemiological and parasitological assessment of Toxocara canis infection in children and dogs in Zabol and Chabahar, Iran. METHODS: This study was a descriptive-analytic study with a simple random sampling of children under 14 yr old, referring to urban, rural, and tribal laboratories of Zabol and Chabahar, Sistan and Baluchestan Province, Iran in 2016. Demographic data, clinical, and laboratory conditions of patients were collected through interviews, questionnaires, and blood count measuring...
January 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28591555/seroepidemiological-study-and-associated-risk-factors-of-toxocara-canis-infection-among-preschool-children-in-osun-state-nigeria
#4
Oluyomi A Sowemimo, Yueh-Lun Lee, Samuel O Asaolu, Ting-Wu Chuang, Olaoluwa P Akinwale, Bolaji O Badejoko, Vincent P Gyang, Timothy Nwafor, Emmanuel Henry, Chia-Kwung Fan
Human toxocariasis is caused by the nematode, Toxocara canis and it is a poorly understood phenomenon in Nigeria. Seroepidemiological studies have not been previously carried out among the preschool aged children in Nigeria. A cross-sectional study was conducted in pre-school children in four communities from Osun State, Nigeria between January and July 2016. A total of 308 children Aged 9 months and 5 years were studied comprising 53.2% (164/308) male and 46.8% (144/308) female. Blood samples were collected and screened for the presence of anti-Toxocara IgG antibodies by Western blot analysis based on the excretory-secretory antigens of larva T...
June 4, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28545900/environmental-contamination-with-toxocara-spp-eggs-in-public-parks-and-playground-sandpits-of-greater-lisbon-portugal
#5
David Otero, Ana Margarida Alho, Rolf Nijsse, Jeroen Roelfsema, Paul Overgaauw, Luís Madeira de Carvalho
Toxocarosis is a zoonotic parasitic disease transmitted from companion animals to humans. Environmental contamination with Toxocara eggs is considered to be the main source of human infections. In Portugal, knowledge regarding the current situation, including density, distribution and environmental contamination by Toxocara spp., is largely unknown. The present study investigated environmental contamination with Toxocara spp. eggs, in soil and faecal samples collected from public parks and playground sandpits in Greater Lisbon, Portugal...
May 22, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28432449/enteroparasitoses-and-toxocarosis-affecting-children-from-mar-del-plata-city-argentina
#6
Carla Lavallén, Beatriz Brignani, Karina Riesgo, Amalia Rojas, Gabriela Colace, Martín Biscaychipi, Estela Chicote, Cristian Giuntini, Mariela Kifer, María Eugenia Del Río, Guillermo Denegri, Marcela Dopchiz
This study evaluated the existence of enteroparasitoses and toxocarosis in children of peripheral (PC) and urban communities (UC) from Mar del Plata city (Argentina) and their associations with socio-environmental conditions. A Parasite Vulnerability Index (PVI) was elaborated using variables such as overcrowding, floor type, drinking water source, wastewater disposal, solid waste disposal, presence of animals and schooling level. The PC evidenced statistically significant higher frequencies of families with high (38...
June 2017: EcoHealth
https://www.readbyqxmd.com/read/27893948/seroprevalence-and-risk-factors-for-toxocara-canis-infection-in-serbia-during-2015
#7
Simona Gabrielli, Suzana Tasić-Otašević, Aleksandra Ignjatović, Maurizio Fraulo, Marija Trenkić-Božinović, Stefan Momčilović, Gabriella Cancrini
We report data on the Toxocara seroprevalence evidenced in 2015 from samples of 40 children and 298 adults of the population living in different areas of Serbia, and on possible association of certain variables with infection. Detection of specific antibodies was performed using an enzyme-linked immunosorbent assay; all ambiguous results and part of the positive and negative sera were further analyzed by confirmatory Western blot test. An overall 23.5% seroprevalence was noticed, which was confirmed in 13.0% of the examined population with no significant difference regarding the age (children = 10...
January 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/27857820/detection-of-specific-antibody-reactivity-to-toxocara-larval-excretory-secretory-antigens-in-asthmatic-patients-5-15-years
#8
Mahdi Mosayebi, Latif Moini, Reza Hajihossein, Mojtaba Didehdar, Zahra Eslamirad
BACKGROUND & PURPOSE: Humans act as an intermediate host for Toxocara canis and Toxocara cati. Toxocara may be an important risk factor for asthma in humans. The aim of the present study was to evaluate immunoglobulin G (IgG) anti-Toxocara canis antibody, using enzyme-linked immunosorbent assay (ELISA) in asthmatic patients (aged 5-15 years), referring to a clinic of pulmonary diseases in Arak, Iran. MATERIALS & METHODS: In this bi-group cross sectional study, serum samples were collected from 110 children with confirmed asthma and 70 children without asthma within one year...
2016: Open Microbiology Journal
https://www.readbyqxmd.com/read/27760094/-ocular-toxocariasis-in-a-boy-with-idiopathic-nephrotic-syndrome-a-case-report
#9
Agnieszka Antonowicz, Piotr Skrzypczyk, Beata Kępa, Małgorzata Pańczyk-Tomaszewska
Toxocariasis is a common zoonosis caused by infection with Toxocara canis or cati larvae. Ocular toxocariasis is one of the forms of infestation found in 1/1,000 - 1/10,000 children. Children with idiopathic nephrotic syndrome (INS) are at high risk of infections, also parasitic infestations, which can, in turn, cause relapses of the disease. A CASE REPORT: We present a case of a 6-year-old boy with steroiddependent nephrotic syndrome. The disease started at age of 2, the boy had 9 relapses of INS, and was treated with oral prednisone, levamisole, and cyclophosphamide...
October 19, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27723790/serological-evidence-of-exposure-to-globally-relevant-zoonotic-parasites-in-the-estonian-population
#10
Brian Lassen, Marilin Janson, Arvo Viltrop, Kädi Neare, Pirje Hütt, Irina Golovljova, Lea Tummeleht, Pikka Jokelainen
We investigated Estonian population and its selected subgroups for serological evidence of exposure to Ascaris lumbricoides, Echinococcus spp., Taenia solium, Toxocara canis, Toxoplasma gondii, and Trichinella spiralis. Serum samples from 999 adults representing general population, 248 children aged 14-18, 158 veterinarians, 375 animal caretakers, and 144 hunters were tested for specific immunoglobulin G antibodies against the selected parasites using commercial enzyme immunoassays (ELISA). Sera yielding positive or twice grey zone Echinococcus spp, T...
2016: PloS One
https://www.readbyqxmd.com/read/27104477/toxocariasis-and-childhood-asthma-a-case-control-study
#11
Priscila Silva Cadore, Linjie Zhang, Liliam de Lima Lemos, Carolina Lorenzi, Paula de Lima Telmo, Paula Costa Dos Santos, Gabriela Torres Mattos, Flávia Saraçol Vignol, Silvio O M Prietsch, Maria Elisabeth Aires Berne, Carlos James Scaini
OBJECTIVE: The objective of this study is to investigate the association between anti-Toxocara IgG seropositivity and asthma in children. METHODS: This was a case-control study conducted in a university hospital in south Brazil between May 2012 and June 2013. Were recruited 208 children up to 12 years old of whom 156 had asthma (cases) and 52 did not have asthma (controls), with a case-control ratio of 3:1 matched by age. Children's parents or guardians were interviewed using a structured questionnaire with closed questions...
August 2016: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/27080332/risk-factors-for-toxocara-spp-seroprevalence-and-its-association-with-atopy-and-asthma-phenotypes-in-school-age-children-in-a-small-town-and-semi-rural-areas-of-northeast-brazil
#12
Márcia B Silva, Ana L M Amor, Leonardo N Santos, Alana A Galvão, Aida V Oviedo Vera, Eduardo S Silva, Cynara Gomes Barbosa, Marilda S Gonçalves, Philip J Cooper, Camila A Figueiredo, Rita de Cassia Ribeiro, Neuza Maria Alcântara-Neves
Toxocara canis, Toxocara cati, are roundworms that live in the intestines of dogs and cats, respectively, and are predominantly agents of human toxocariasis. Studies have suggested that Toxocara spp. seroprevalence increases levels of total and aeroallergen-specific IgE (sIgE), asthma prevalence and asthma morbidity. Nevertheless, other work reported a negative association between Toxocara spp. seropositivity with skin hypersensititity and a positive association with sIgE. The objective of the present study was to evaluate risk factors for acquiring Toxocara spp...
October 2017: Acta Tropica
https://www.readbyqxmd.com/read/26887285/toxocara-canis-anthelmintic-activity-of-quinone-derivatives-in-murine-toxocarosis
#13
T Mata-Santos, H A Mata-Santos, P F Carneiro, K C G De Moura, J M Fenalti, G B Klafke, L A X Cruz, L H R Martins, N F Pinto, M C F R Pinto, M E A Berne, P E A Da Silva, C J Scaini
Human toxocarosis is a chronic tissue parasitosis most often caused by Toxocara canis. The seroprevalence can reach up to 50%, especially among children and adolescents. The anthelmintics used in the treatment have moderate efficacy. The aim of this study was to evaluate the in vitro and in vivo anthelmintic activity of quinones and their derivatives against T. canis larvae and the cytotoxicity of the larvicidal compounds. The compounds were evaluated at 1 mg mL(-1) concentration in microculture plates containing third stage larvae in an Roswell Park Memorial Institute (RPMI) 1640 environment, incubated at 37 °C in 5% CO2 tension for 48 h...
April 2016: Parasitology
https://www.readbyqxmd.com/read/26811731/seroepidemiology-of-toxocariasis-in-children-5-15-yr-old-referred-to-the-pediatric-clinic-of-imam-hossein-hospital-isfahan-iran
#14
Ahmad Hosseini-Safa, Seyed Mohammad Mousavi, Mehran Bahadoran Bagh Badorani, Mehdi Ghatreh Samani, Shayan Mostafaei, Hossein Yousofi Darani
BACKGROUND: Human toxocariasis, a helminthozoonosis, is due to the migration of Toxocara species larvae into human organisms. Humans, especially children become infected by ingesting of embryonated eggs from soil, dirty hands, and raw vegetables. Seroprevalence of this infection is high in developed countries, especially in rural areas. The aim of this study was to investigate the seroepidemiology of Toxocariasis in children referred to the pediatric clinic of Imam Hossein hospital, Isfahan, Iran...
October 2015: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/26752269/molecular-identification-of-ancylostoma-species-from-dogs-and-an-assessment-of-zoonotic-risk-in-low-income-households-s%C3%A3-o-paulo-state-brazil
#15
A P Oliveira-Arbex, E B David, T C G Oliveira-Sequeira, S Katagiri, S T Coradi, S Guimarães
Hookworm infection stands out for its worldwide distribution and for its veterinary and public health relevance. Based on copromicroscopic examinations and polymerase chain reaction (PCR) amplification of the ITS1-5.8S-ITS2 region, we assessed, respectively, the prevalence of intestinal parasites and the identification of canine hookworm species in faeces recovered from 278 dogs living in households of an inland municipality of São Paulo State, Brazil. Intestinal parasites were found in 67.3% of dogs and hookworm infection was found at the highest prevalence rate (56...
January 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/26513899/pediatric-ocular-toxocariasis-in-jiangsu-province-eastern-china
#16
Hai-Fang Zhang, Hai-Yong Hua, Wei Wang
Ocular toxocariasis is caused by migration of a Toxocara larva through the posterior eye. We report the first case of pediatric ocular toxocariasis caused by T. canis in Jiangsu Province, eastern China. A 6-year-old girl presented to Suzhou Municipal Children's Hospital with a complaint of right eye redness, minimal white discharge, no photophobia, eye pain, visual impairment, fever or arthralgia. She was initially diagnosed as having conjunctivitis; however, a 2-month treatment with lomefloxacin 0.3% eye drops gave no improvements...
January 2015: Southeast Asian Journal of Tropical Medicine and Public Health
https://www.readbyqxmd.com/read/26505549/immunodiagnostic-approaches-for-the-detection-of-human-toxocarosis
#17
Vojtech Boldiš, František Ondriska, Eva Špitalská, Katarína Reiterová
Human toxocarosis is an important zoonosis caused by larvae of Toxocara canis/cati. The objective was to evaluate the role of IgG anti-Toxocara antibody detection and the specific IgG avidity in diagnostics of human toxocarosis. Anti-Toxocara IgG antibodies and IgG avidity were evaluated by excretory-secretory (ES)-enzyme-linked immunosorbent assay (ELISA). The IgG anti-Toxocara seroprevalence in people (n = 7678) from western Slovakia was 15.3% and found to be highest in the oldest age groups. The presence of low- IgG avidity in 179 suspected patients for toxocarosis was evaluated in relation to sex, age, IgG antibody levels, eosinophilia, increased total IgE, domicile, geophagia, dog/cat ownership, anamnesis...
December 2015: Experimental Parasitology
https://www.readbyqxmd.com/read/26374832/association-between-toxocariasis-and-cognitive-function-in-young-to-middle-aged-adults
#18
Lance D Erickson, Shawn D Gale, Andrew Berrett, Bruce L Brown, Dawson W Hedges
The ascarid nematodes Toxocara canis (Werner, 1782) and Toxocara cati (Schrank, 1788) may infect humans resulting in toxocariasis. A prior study associated species of Toxocara Stiles, 1905 with cognitive deficits in children. To determine if a similar association between toxocariasis and cognition exists in adults, we analysed a large dataset from the United States' Center for Disease Control's National Health and Nutrition Examination Survey. We used linear-regression and multivariate models to examine the association between toxocariasis as assessed by the presence of anti-Toxocara IgG antibodies and three measures of cognitive function - simple reaction time (SRT), symbol-digit substitution (SDS) and serial-digit learning (SDL) in 4 279 adults aged 21 to 59 years...
September 7, 2015: Folia Parasitologica
https://www.readbyqxmd.com/read/26339090/sero-epidemiology-of-toxocara-canis-infection-in-children-attending-four-selected-health-facilities-in-the-central-region-of-ghana
#19
MULTICENTER STUDY
G Kyei, I Ayi, J N Boampong, P K Turkson
OBJECTIVE: The study determined the seroprevalence of Toxocara canis infection among children attending four selected health facilities in the Central Region of Ghana. DESIGN: Cross-sectional study. METHOD: Sera from 566 children aged 1-15 years attending four selected health facilities in the Central Region of Ghana between July and September 2012 was used in a Toxocara excretory-secretory antigen-based ELISA to detect serum IgG. A short questionnaire was designed to obtain data on respondents as to age, gender, educational level, locality of residence, habits of washing of fruits, vegetable and hands before eating, keeping of pet (dogs or cats), and history of playing with soil and pets...
June 2015: Ghana Medical Journal
https://www.readbyqxmd.com/read/26246828/soil-contamination-with-toxocara-spp-eggs-in-public-parks-of-mashhad-and-khaf-north-east-of-iran
#20
Fariba Berenji, Abdul Ghayoum Movahedi Rudy, Abdolmajid Fata, Mousa Tavassoli, Mojtaba Mousavi Bazaz, Ghodratolah Salehi Sangani
BACKGROUND: Toxocariasis is an important disease caused by the larvae of parasitic worms such as Toxocara canis and T. cati. Public parks can be the source of toxocariasis for small children. This survey was conducted to determine the prevalence of Toxocara spp. ova in parks of Mashhad and Khaf northeastern Iran. METHODS: In this descriptive cross-sectional study, performed in November 2011 to June 2012, overall, 340 soil samples were collected from 39 parks of Mashhad and 29 parks in Khaf city...
April 2015: Iranian Journal of Parasitology
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