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Soil-transmitted helminth

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https://www.readbyqxmd.com/read/29035384/effect-of-anthelmintic-treatment-on-leptin-adiponectin-and-leptin-to-adiponectin-ratio-a-randomized-controlled-trial
#1
D L Tahapary, K de Ruiter, I Martin, E A T Brienen, L van Lieshout, Y Djuardi, C C Djimandjaja, J J Houwing-Duistermaat, P Soewondo, E Sartono, T Supali, J W A Smit, M Yazdanbakhsh
Emerging evidence suggests that helminths might confer protection against the development of type 2 diabetes. We aimed to assess the role of adipokines in mediating the effect of helminths on insulin resistance. Serum samples were obtained from a randomized-controlled trial of anthelmintic treatment in an area endemic for soil-transmitted helminths (STH), Flores Island, Indonesia. In STH-infected subjects, anthelmintic treatment significantly increased the ratio of leptin to adiponectin (treatment effect factor (95% confidence interval (CI)), P-value for interaction: 1...
October 16, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/29017470/soil-transmitted-helminthiasis-and-associated-risk-factors-among-elementary-school-children-in-ambo-town-western-ethiopia
#2
Fikreslasie Samuel, Asalif Demsew, Yonas Alem, Yonas Hailesilassie
BACKGROUND: Soil-transmitted helminths (STHs) are widespread in underdeveloped countries. In Ethiopia, the prevalence and distribution of helminth infection varies by different exposing risk factors. We therefore investigated the prevalence of and risk factors of STHs infection in school children living in Ambo town, west Shoa Ethiopia. METHODS: In 2014/15, among 375 school children planed to be included in this study, only 321 school children were recruited in the study...
October 10, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28991899/albendazole-and-ivermectin-for-the-control-of-soil-transmitted-helminths-in-an-area-with-high-prevalence-of-strongyloides-stercoralis-and-hookworm-in-northwestern-argentina-a-community-based-pragmatic-study
#3
Adriana Echazú, Marisa Juarez, Paola A Vargas, Silvana P Cajal, Ruben O Cimino, Viviana Heredia, Silvia Caropresi, Gladys Paredes, Luis M Arias, Marcelo Abril, Silvia Gold, Patrick Lammie, Alejandro J Krolewiecki
BACKGROUND: Recommendations for soil-transmitted helminth (STH) control give a key role to deworming of school and pre-school age children with albendazole or mebendazole; which might be insufficient to achieve adequate control, particularly against Strongyloides stercoralis. The impact of preventive chemotherapy (PC) against STH morbidity is still incompletely understood. The aim of this study was to assess the effectiveness of a community-based program with albendazole and ivermectin in a high transmission setting for S...
October 9, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28991894/sanitation-hookworm-anemia-stunting-and-wasting-in-primary-school-children-in-southern-ethiopia-baseline-results-from-a-study-in-30-schools
#4
Jack E T Grimes, Gemechu Tadesse, Iain A Gardiner, Elodie Yard, Yonas Wuletaw, Michael R Templeton, Wendy E Harrison, Lesley J Drake
BACKGROUND: Inadequate nutrition; neglected topical diseases; and insufficient water, sanitation, and hygiene (WASH) are interrelated problems in schools in low-income countries, but are not routinely tackled together. A recent three-year longitudinal study investigated integrated school health and nutrition approaches in 30 government primary schools in southern Ethiopia. Here, we report on baseline associations between sanitation, hookworm infection, anemia, stunting, and wasting. METHODS: In each school, the Schistosoma mansoni, S...
October 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28988538/high-prevalence-of-soil-transmitted-helminth-infections-among-primary-school-children-uttar-pradesh-india-2015
#5
Sandipan Ganguly, Sharad Barkataki, Sumallya Karmakar, Prerna Sanga, K Boopathi, K Kanagasabai, P Kamaraj, Punam Chowdhury, Rituparna Sarkar, Dibyendu Raj, Leo James, Shanta Dutta, Rakesh Sehgal, Priya Jha, Manoj Murhekar
BACKGROUND: Soil-transmitted helminth (STH) infections often affect the poorest and most deprived communities. In order to generate reliable data for planning a school based deworming program, we conducted a survey among primary school children studying in government schools in the Indian state of Uttar Pradesh. The objectives of our survey were to estimate the prevalence and intensity of STH infections. METHODS: We conducted a cross-sectional survey among children studying in 130 primary schools from 9 agro-climatic zones, during May - August 2015...
October 9, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28976979/estimating-sensitivity-of-the-kato-katz-technique-for-the-diagnosis-of-schistosoma-mansoni-and-hookworm-in-relation-to-infection-intensity
#6
Oliver Bärenbold, Giovanna Raso, Jean T Coulibaly, Eliézer K N'Goran, Jürg Utzinger, Penelope Vounatsou
The Kato-Katz technique is the most widely used diagnostic method in epidemiologic surveys and drug efficacy trials pertaining to intestinal schistosomiasis and soil-transmitted helminthiasis. However, the sensitivity of the technique is low, particularly for the detection of light-intensity helminth infections. Examination of multiple stool samples reduces the diagnostic error; yet, most studies rely on a single Kato-Katz thick smear, thus underestimating infection prevalence. We present a model which estimates the sensitivity of the Kato-Katz technique in Schistosoma mansoni and hookworm, as a function of infection intensity for repeated stool sampling and provide estimates of the age-dependent 'true' prevalence...
October 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28953460/occurrence-and-fate-of-ascaris-lumbricoides-ova-in-biosolids-in-victoria-australia-a-human-health-risk-assessment-of-biosolids-storage-periods
#7
Nicholas A O'Connor, Aravind Surapaneni, David Smith, Daryl Stevens
Reuse of sewage biosolids in Victoria, Australia, typically involves mesophilic anaerobic digestion followed by air-drying and long-term storage to ensure removal of ova of soil-transmitted helminths (STH) such as Ascaris lumbricoides. Long-term storage degrades the biosolids' agronomic quality due to the loss of key plant nutrients and takes up large areas of storage space. The impact of varying biosolids holding times and other processes on STH using Ascaris as the reference STH pathogen was examined in this study using a quantitative risk analysis approach...
September 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28947636/efficacy-of-recommended-drugs-against-soil-transmitted-helminths-systematic-review-and-network-meta-analysis
#8
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/28942767/measuring-the-effect-of-soil-transmitted-helminth-infections-on-cognitive-function-in-children-systematic-review-and-critical-appraisal-of-evidence
#9
Kei Owada, Mark Nielsen, Colleen L Lau, Archie C A Clements, Laith Yakob, Ricardo J Soares Magalhães
Recently the role of soil-transmitted helminth (STH) infections in children's cognitive developmental impairment has been under scrutiny. We conducted a systematic review of the evidence for associations between STH infections and cognitive function of children using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses protocol. We aimed to identify the domains of cognitive function in three age strata (<24months, 24-59months and ≥60months) and critically appraise the general design protocol of the studies, with a focus on the cognitive function measurement tools used...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28928945/pathogenic-helminths-in-the-past-much-ado-about-nothing
#10
Christian Mulder
Despite a long tradition on the extent to which Romanisation has improved human health, some recent studies suggest that Romanisation in general, and Roman sanitation in particular, may not have made people any healthier, given that in Roman times gastrointestinal parasites were apparently widespread, whilst in the present day such parasites rarely cause diseases. Unfortunately, this novel claim neglects the empirical evidence that worldwide infections in over 1.5 billion people are caused by ubiquitous foodborne nematodes...
2017: F1000Research
https://www.readbyqxmd.com/read/28926696/exposure-to-animal-feces-and-human-health-a-systematic-review-and-proposed-research-priorities
#11
Gauthami Penakalapati, Jenna Swarthout, Miranda J Delahoy, Lydia McAliley, Breanna Wodnik, Karen Levy, Matthew C Freeman
Humans can be exposed to pathogens from poorly managed animal feces, particularly in communities where animals live in close proximity to humans. This systematic review of peer-reviewed and gray literature examines the human health impacts of exposure to poorly managed animal feces transmitted via water, sanitation, and hygiene (WASH)-related pathways in low- and middle-income countries, where household livestock, small-scale animal operations, and free-roaming animals are common. We identify routes of contamination by animal feces, control measures to reduce human exposure, and propose research priorities for further inquiry...
October 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28926584/transcriptome-analysis-reveals-molecular-anthelmintic-effects-of-procyanidins-in-c-elegans
#12
Verena Spiegler, Andreas Hensel, Jochen Seggewiß, Milena Lubisch, Eva Liebau
Worldwide, more than 1 billion people are affected by infestations with soil-transmitted helminths and also in veterinary medicine helminthiases are a severe threat to livestock due to emerging resistances against the common anthelmintics. Proanthocyanidins have been increasingly investigated for their anthelmintic properties, however, except for an interaction with certain proteins of the nematodes, not much is known about their mode of action. To investigate the anthelmintic activity on a molecular level, a transcriptome analysis was performed in Caenorhabditis elegans after treatment with purified and fully characterized oligomeric procyanidins (OPC)...
2017: PloS One
https://www.readbyqxmd.com/read/28924616/soil-transmitted-helminth-infections-are-not-associated-with-compromised-antibody-responses-to-previously-administered-measles-and-tetanus-vaccines-among-hiv-1-infected-art-na%C3%A3-ve-kenyan-adults
#13
Helen L Storey, Benson Singa, Jackie Naulikha, Helen Horton, Barbra A Richardson, Grace John-Stewart, Judd L Walson
In many regions of sub-Saharan Africa, both HIV and helminth infections are prevalent. HIV-1 (human immunodeficiency virus type 1) and helminth infections can both compromise immune responses in humans. To determine whether the presence of helminth infection or the treatment of helminth infection alters unstimulated vaccine responses among HIV-1 infected individuals, we conducted two nested serologic studies. Blood samples were collected for HIV disease monitoring and vaccine-specific serologic assays, while stool was evaluated by direct microscopy methods...
February 2017: Parasite Epidemiology and Control
https://www.readbyqxmd.com/read/28923008/an-eleven-year-retrospective-hospital-based-study-of-epidemiological-data-regarding-human-strongyloidiasis-in-northeast-thailand
#14
Thidarat K Prasongdee, Pokkamol Laoraksawong, Wanida Kanarkard, Ratthaphol Kraiklang, Kraisit Sathapornworachai, Sureeporn Naonongwai, Porntip Laummaunwai, Oranuch Sanpool, Pewpan M Intapan, Wanchai Maleewong
BACKGROUND: Human strongyloidiasis is a chronic and persistent gastrointestinal disease caused by infection with soil-transmitted helminths of the genus Strongyloides. The aim of this research was to obtain diagnostic prevalence regarding strongyloidiasis in northeast Thailand through a hospital-based study. METHODS: Patients' demographic data and the results of stool examinations conducted using the formalin ethyl acetate concentration technique were collected from the parasitology laboratory records at Srinagarind Hospital in Khon Kaen, Thailand...
September 18, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28899362/nationwide-cross-sectional-survey-of-schistosomiasis-and-soil-transmitted-helminthiasis-in-sudan-study-protocol
#15
Seungman Cha, Sung-Tae Hong, Young-Ha Lee, Keon Hoon Lee, Dae Seong Cho, Jinmoo Lee, Jong-Yil Chai, Mousab Siddig Elhag, Soheir Gabralla Ahmad Khaled, Mustafa Khidir Mustafa Elnimeiri, Nahid Abdelgadeir Ali Siddig, Hana Abdelrazig, Sarah Awadelkareem, Azza Tag Eldin Elshafie, Hassan Ahmed Hassan Ahmed Ismail, Mutamad Amin
BACKGROUND: Schistosomiasis and soil-transmitted helminthiasis (STHs) are target neglected tropical diseases (NTDs) of preventive chemotherapy, but the control and elimination of these diseases have been impeded due to resource constraints. Few reports have described study protocol to draw on when conducting a nationwide survey. We present a detailed methodological description of the integrated mapping of schistosomiasis and STHs on the basis of our experiences, hoping that this protocol can be applied to future surveys in similar settings...
September 12, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28892494/infections-by-human-gastrointestinal-helminths-are-associated-with-changes-in-faecal-microbiota-diversity-and-composition
#16
Timothy P Jenkins, Yasara Rathnayaka, Piyumali K Perera, Laura E Peachey, Matthew J Nolan, Lutz Krause, Rupika S Rajakaruna, Cinzia Cantacessi
Investigations of the impact that patent infections by soil-transmitted gastrointestinal nematode parasites exert on the composition of the host gut commensal flora are attracting growing interest by the scientific community. However, information collected to date varies across experiments, and further studies are needed to identify consistent relationships between parasites and commensal microbial species. Here, we explore the qualitative and quantitative differences between the microbial community profiles of cohorts of human volunteers from Sri Lanka with patent infection by one or more parasitic nematode species (H+), as well as that of uninfected subjects (H-) and of volunteers who had been subjected to regular prophylactic anthelmintic treatment (Ht)...
2017: PloS One
https://www.readbyqxmd.com/read/28883985/local-stakeholders-perceptions-of-community-sensitization-for-school-based-deworming-programme-in-kenya
#17
D W Njomo, J Masaku, F Mwende, G Odhiambo, R Musuva, E Matey, I G Thuita, J H Kihara
BACKGROUND: In Kenya, the National School-Based Deworming Programme (NSBDP) for soil-transmitted helminthes and schistosomiasis in prioritized areas has been going on since the year 2012. By the year 2013 over 6 million School Age Children (SAC) had been treated. A community sensitization supplement containing key messages and answers to frequently asked questions was developed as a guiding tool. Awareness creation methods used include county sensitization meetings, stakeholder forums, town criers and posters...
2017: Tropical Diseases, Travel Medicine and Vaccines
https://www.readbyqxmd.com/read/28882756/opening-a-can-of-worms-leprosy-reactions-and-complicit-soil-transmitted-helminths
#18
Deanna A Hagge, Pawan Parajuli, Chhatra B Kunwar, Divya R S J B Rana, Ruby Thapa, Kapil D Neupane, Peter Nicholls, Linda B Adams, Annemieke Geluk, Mahesh Shah, Indra B Napit
BACKGROUND: >94% of new annual leprosy cases are diagnosed in populations co-endemic for soil-transmitted helminths (STH). STH can profoundly dysregulate host immune responses towards Th2 bias, which can be restored over time after deworming. We hypothesize that STH co-infection is associated with leprosy reaction (denoted as simply "reaction" herein) occurrence within a co-endemic population. METHODS: A cohort study was performed on a cohort of Nepalese leprosy patients across treatment and diagnostic classifications who were screened by routine fecal smear microscopy and multiplex quantitative PCR (qPCR) for Ascaris lumbricoides (Al), Strongyloides stercoralis (Ss), Ancyclostoma duodenale (Ad) and Necator americanus (Na)...
September 2017: EBioMedicine
https://www.readbyqxmd.com/read/28882382/soil-transmitted-helminth-infections
#19
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/28878432/ethiopia-schistosomiasis-and-soil-transmitted-helminthes-control-programme-progress-and-prospects
#20
Nebiyu Negussu, Birhan Mengistu, Biruck Kebede, Kebede Deribe, Ephrem Ejigu, Gemechu Tadesse, Kalkidan Mekete, Mesfin Sileshi
Schistosomiasis and soil-transmitted helminthes are among seventeen WHO prioritized neglected tropical diseases that infect humans. These parasitic infections can be treated using single-dose and safe drugs. Ethiopia successfully mapped the distribution of these infections nationwide. According to the mapping there are an estimated 37.3 million people living in schistosomiasis endemic areas, and 79 million in schistosomiasis and soil-transmitted helminthes endemic areas. The Federal Ministry of Health successfully scaled up Schistosomiasis and schistosomiasis and soil-transmitted helminthes intervention in endemic areas and treated over 19 million individuals in 2015...
2017: Ethiopian Medical Journal
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