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https://www.readbyqxmd.com/read/29138640/prevalence-of-soil-transmitted-helminthiases-and-schistosomiasis-in-preschool-age-children-in-mwea-division-kirinyaga-south-district-kirinyaga-county-and-their-potential-effect-on-physical-growth
#1
Stephen Sifuna Wefwafwa Sakari, Amos K Mbugua, Gerald M Mkoji
Intestinal parasitic infections can significantly contribute to the burden of disease, may cause nutritional and energetic stress, and negatively impact the quality of life in low income countries of the world. This cross-sectional study done in Mwea irrigation scheme, in Kirinyaga, central Kenya, assessed the public health significance of soil-transmitted helminthiases (STH), schistosomiasis, and other intestinal parasitic infections, among 361 preschool age children (PSAC) through fecal examination, by measuring anthropometric indices, and through their parents/guardians, by obtaining sociodemographic information...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29114490/evaluation-of-the-utility-of-conventional-polymerase-chain-reaction-for-detection-and-species-differentiation-in-human-hookworm-infections
#2
Meenachi Chidambaram, Subhash Chandra Parija, Pampa Ch Toi, Jharna Mandal, Dhanalakshmi Sankaramoorthy, Santosh George, Mailan Natarajan, Shashiraja Padukone
Background: Human hookworm infection is caused mainly by Necator americanus and Ancylostoma duodenale. Among the zoonotic hookworm species, only Ancylostoma ceylanicum causes potent human infections where dogs and cats act as reservoir of infection. Hence, species differentiation is imperative because the eradication of both anthroponotic and zoonotic hookworm depends on the concurrent human and animal health programs, hygienic practices, and mass drug administration for humans and dogs...
July 2017: Tropical Parasitology
https://www.readbyqxmd.com/read/29114485/laboratory-diagnosis-of-soil-transmitted-helminthiasis
#3
Sumeeta Khurana, Shveta Sethi
Soil-transmitted helminths (STHs) include, i.e., hookworms (Ancylostoma duodenale, Necator americanus), roundworm (Ascaris lumbricoides), whipworm (Trichuris trichiura) and Strongyloides stercoralis. Globally, around 1.5 billion people are infected with STHs. STHs contribute to significant impairment of mental and physical growth, especially in developing countries. Unfortunately, these infections mostly remain undiagnosed due to lack of trained personnel and appropriate technologies. Intermittent shedding of eggs or larvae further makes the diagnosis difficult...
July 2017: Tropical Parasitology
https://www.readbyqxmd.com/read/29114484/epidemiology-and-clinical-features-of-soil-transmitted-helminths
#4
Subhash Chandra Parija, Meenachi Chidambaram, Jharna Mandal
Soil-transmitted helminths (STH) consist of Ascaris lumbricoides, Trichuris trichiura, and hookworm (Necator americanus and Ancylostoma duodenale). It affects nearly 1.7 billion people globally in which Ascaris contributes nearly 1.2 billion cases. The main mode for transmission of Ascaris and Trichuris is through contaminated food and water, whereas hookworm transmitted by skin penetration. STH were mainly seen in areas with poverty, overcrowding, and poor sanitation. The prevalence is more in rural areas compared to urban areas...
July 2017: Tropical Parasitology
https://www.readbyqxmd.com/read/29114134/epidemiological-investigation-of-gastrointestinal-parasites-in-dog-populations-in-basra-province-southern-iraq
#5
Khawla B N Al-Jassim, Yasser S Mahmmod, Zainab M Salem, Azmi Al-Jubury
The understanding of the epidemiology of canine parasitic infections is necessary for an efficient control program to minimize the risk of zoonotic transmission. The objectives of this study were (1) to determine the prevalence of canine gastrointestinal helminths and protozoa in Basra province, Southern Iraq, and (2) to identify the association of epidemiological characteristics (age, breed, gender, and feed type) of dogs with the parasitic infections. A total of 93 fecal samples, collected in the period from December 2014 to June 2015, were examined macroscopically and microscopically for the presence of worm eggs and protozoal oocysts, using centrifugal flotation method...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29108026/status-of-soil-transmitted-helminth-infections-in-schoolchildren-in-laguna-province-the-philippines-determined-by-parasitological-and-molecular-diagnostic-techniques
#6
Mary Lorraine S Mationg, Catherine A Gordon, Veronica L Tallo, Remigio M Olveda, Portia P Alday, Mark Donald C Reñosa, Franziska A Bieri, Gail M Williams, Archie C A Clements, Peter Steinmann, Kate Halton, Yuesheng Li, Donald P McManus, Darren J Gray
BACKGROUND: Soil-transmitted helminths (STH) are the most common parasitic infections in impoverished communities, particularly among children. Current STH control is through school-based mass drug administration (MDA), which in the Philippines is done twice annually. As expected, MDA has decreased the intensity and prevalence of STH over time. As a result, the common Kato Katz (KK) thick smear method of detecting STH is less effective because it lacks sensitivity in low intensity infections, making it difficult to measure the impact of deworming programs...
November 6, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29080756/diagnostic-strategies-to-reveal-covert-infections-with-intestinal-helminths-in-dogs
#7
Chris Adolph, Sharon Barnett, Melissa Beall, Jason Drake, David Elsemore, Jennifer Thomas, Susan Little
Intestinal helminths are common in dogs in the United States, particularly non-treated dogs in animal shelters, but surveys by fecal flotation may underestimate their prevalence. To determine the prevalence of intestinal helminths and evaluate the ability of fecal flotation and detection of nematode antigen to identify those infections, contents of the entire gastrointestinal tract of 97 adult (>1year) dogs previously identified for humane euthanasia at two animal control shelters in northeastern Oklahoma, USA, were screened...
November 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/29052354/revisiting-the-ancylostoma-caninum-secretome-provides-new-information-on-hookworm-host-interactions
#8
Taylor Morante, Catherine Shepherd, Constantin Constantinoiu, Alex Loukas, Javier Sotillo
Hookworm infection is a major tropical parasitic disease affecting almost 500 million people worldwide. These soil-transmitted helminths can survive for many years in the intestine of the host, where they feed on blood, causing iron deficiency anaemia and other complications. These parasites release a variety of molecules known as excretory/secretory products (ESPs) that are involved in many different biological processes that govern parasite survival. Using a combination of separation techniques such as SDS-PAGE and OFFGEL electrophoresis, in combination with state-of-the-art mass spectrometry we have reanalysed the dog hookworm, Ancylostoma caninum, ESPs (AcES)...
October 20, 2017: Proteomics
https://www.readbyqxmd.com/read/29039336/soil-transmitted-helminthiasis-in-different-occupational-groups-in-swat-khyber-pakhtunkhwa-pakistan
#9
Wali Khan, Noorun Nisa, Aly Khan
We investigated the prevalence of geohelminth parasites in farmers, education concerned and shepherd of Swat, Khyber Pakhtunkhwa, Pakistan. A total of 1041 stool samples were examined from January 2006 to December 2008 using direct smear (Normal saline and Lugol's Iodine solution) the concentration methods and procedures. Seven hundred and sixty three (73.2%) individuals were found infected with one or more than one geohelminth parasites. Four hundred and eighteen (54.7%) were infected with single parasite and three hundred forty five (45...
July 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29034951/a-nanocrystal-based-formulation-improves-the-pharmacokinetic-performance-and-therapeutic-response-of-albendazole-in-dogs
#10
Alejandro Javier Paredes, Nicolás Litterio, Alicia Dib, Daniel Alberto Allemandi, Carlos Lanusse, Sergio Sánchez Bruni, Santiago Daniel Palma
OBJECTIVES: Here, we aimed to assess the pharmacokinetic performance and therapeutic response (anthelmintic efficacy) of an albendazole (ABZ) nano-sized formulation in dogs. METHODS: In the pharmacokinetic study, ABZ self-dispersible nanocrystals (SDNCS) and a control formulation were administered orally to healthy dogs (n = 6). The concentrations of the sulphoxide metabolite in plasma were determined by high-performance liquid chromatography. For the anthelmintic efficacy trial, SDNCS and a commercially available formulation of ABZ were given to naturally parasitised dogs...
October 16, 2017: Journal of Pharmacy and Pharmacology
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
#11
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/28968014/-profiles-of-intestinal-polyparasitism-in-a-community-of-the-colombian-amazon-region
#12
Julián A Fernández-Niño, Claudia I Astudillo-García, Laura María Segura, Natalia Gómez, Ángela Skantria Salazar, Juan Hember Tabares, Cristian Andrés Restrepo, Miguel Ángel Ruiz, Myriam Consuelo López, Patricia Reyes
INTRODUCTION: Intestinal parasite infections and polyparasitism are highly prevalent in the most vulnerable populations of developing countries due to environmental, biological and social determinants common in the transmission of parasites. Children between 1 and 15 years of age are the most affected population. OBJECTIVE: To describe the prevalence and profiles of intestinal polyparasitism in 1 to 15 year-old children from native communities in the Colombian Amazon region...
September 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28947636/efficacy-of-recommended-drugs-against-soil-transmitted-helminths-systematic-review-and-network-meta-analysis
#13
REVIEW
Wendelin Moser, Christian Schindler, Jennifer Keiser
Objective To evaluate efficacies of anthelmintic drugs against soil transmitted helminths in terms of cure rates and egg reduction rates.Design Systematic review and network meta-analysis.Data Sources PubMed, ISI Web of Science, Embase, ScienceDirect, the Cochrane Central Register of Clinical Trials, and the World Health Organization library database from 1960 until 31 December 2016.Study selection Randomised controlled trials evaluating the efficacy of a single dose regimen of albendazole, mebendazole, levamisole, and pyrantel pamoate against Ascaris lumbricoides, hookworm (Necator americanus and Ancylostoma duodenale) and Trichuris trichiura...
September 25, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28906088/bullous-cutaneous-larva-migrans-case-series-and-review-of-atypical-clinical-presentations
#14
Stefano Veraldi, Ermira Çuka, Paolo Pontini, Fabrizio Vaira
Hookworm-related cutaneous larva migrans (HRCLM) is caused by the penetration and migration in the epidermis of larvae of Ancylostoma braziliense and Ancylostoma caninum. It is characterized by slightly raised and erythematous tracks, located especially on the feet. These tracks may be single or multiple, serpiginous or linear, ramified and intertwined, accompanied by pruritus. Atypical clinical presentations of HRCLM are currently more frequent than in the past. We present six patients with bullous HRCLM and discuss the possible pathogenetic factors...
October 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28882382/soil-transmitted-helminth-infections
#15
REVIEW
Peter Mark Jourdan, Poppy H L Lamberton, Alan Fenwick, David G Addiss
More than a quarter of the world's population is at risk of infection with the soil-transmitted helminths Ascaris lumbricoides, hookworm (Ancylostoma duodenale and Necator americanus), Trichuris trichiura, and Strongyloides stercoralis. Infected children and adults present with a range of medical and surgical conditions, and clinicians should consider the possibility of infection in individuals living in, or returning from, endemic regions. Although safe and effective drugs are donated free to endemic countries, only half of at-risk children received treatment in 2016...
September 4, 2017: Lancet
https://www.readbyqxmd.com/read/28871165/zoonotic-intestinal-helminths-interact-with-the-canine-immune-system-by-modulating-t-cell-responses-and-preventing-dendritic-cell-maturation
#16
Johannes Junginger, Katharina Raue, Karola Wolf, Elisabeth Janecek, Veronika M Stein, Andrea Tipold, Anne-Rose Günzel-Apel, Christina Strube, Marion Hewicker-Trautwein
Parasite co-evolution alongside the mammalian immune system gave rise to several modulatory strategies by which they prevent exaggerated pathology and facilitate a longer worm survival. As little is known about the immunoregulatory potential of the zoonotic canine parasites Ancylostoma caninum and Toxocara canis in the natural host, the present study aimed to investigate whether their larval excretory-secretory (ES) products can modulate the canine immune system. We demonstrated TcES to increase the frequency of CD4+ Foxp3(high) T cells, while both AcES and TcES were associated with elevated Helios expression in Foxp3(high) lymphocytes...
September 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807286/prevalence-and-risk-factors-associated-with-endoparasitic-infection-in-dogs-from-transylvania-romania-a-retrospective-study
#17
Viorica Mircean, Mirabela Oana Dumitrache, Mircea Mircean, Horațiu Alexandru Colosi, Adriana Györke
During six years (April 2010-April 2016) we examined individual feces samples collected from 1314 dogs located in Center and Northwest Romania (Transylvania). Stool samples were analyzed by saturated salt flotation, sedimentation technique and modified Ziehl-Nielsen staining method. The overall prevalence of endoparasitic infections was 66.6% (n=875). Sixteen species/genera of endoparasites were identified. The most prevalent species were Ancylostoma caninum/Uncinaria stenocephala (33.0%) (p=0.0001) followed by Trichocephalus vulpis (25...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28797540/efficiency-of-two-sewage-treatment-systems-activated-sludge-and-natural-lagoons-for-helminth-egg-removal-in-morocco
#18
Sana Chaoua, Samia Boussaa, Ahmed Khadra, Ali Boumezzough
Morocco is a country known for its vulnerability of water resources because of its arid and semi-arid climate. Thus, recycled wastewater has been suggested for agricultural activities, but contamination of these wastewaters is a major concern. The current study aims to determine the occurrence of helminth eggs in urban wastewater and to evaluate the removal of these pathogens by two sewage treatment systems: activated sludge and natural lagoons. The samples of wastewater and sludge were collected from two wastewater treatment plants (WWTP) located in Marrakech and Chichaoua, Morocco...
August 7, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28765810/the-diversity-and-impact-of-hookworm-infections-in-wildlife
#19
REVIEW
Mauricio Seguel, Nicole Gottdenker
Hookworms are blood-feeding nematodes that parasitize the alimentary system of mammals. Despite their high pathogenic potential, little is known about their diversity and impact in wildlife populations. We conducted a systematic review of the literature on hookworm infections of wildlife and analyzed 218 studies qualitative and quantitatively. At least 68 hookworm species have been described in 9 orders, 24 families, and 111 species of wild mammals. Black bears, red foxes, and bobcats harbored the highest diversity of hookworm species and Ancylostoma pluridentatum, A...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28761492/gastrointestinal-helminths-and-ectoparasites-in-the-stray-cats-felidae-felis-catus-of-ahar-municipality-northwestern-iran
#20
Mohammad Yakhchali, Nasser Hajipour, Reza Malekzadeh-Viayeh, Bijan Esmaeilnejad, Taher Nemati-Haravani, Mohammad Fathollahzadeh, Rasool Jafari
BACKGROUND: The stray cats are considered as the sources of emerging humans and domestic livestock pathogens and the zoonoses of public health importance. The present study was aimed to elucidate intestinal helminth infections and infestation with ectoparasites of the stray cats of Ahar City, northwestern Iran. METHODS: Totally, 51 stray cats were randomly trapped from different parts of the city between Mar and Nov 2013. The cats were assessed for ectoparasites by hair brushing, skin scraping, acetate tape preparation and othic swabs...
April 2017: Iranian Journal of Parasitology
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