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https://www.readbyqxmd.com/read/28545561/sources-of-variability-in-the-measurement-of-ascaris-lumbricoides-infection-intensity-by-kato-katz-and-qpcr
#1
Alice V Easton, Rita G Oliveira, Martin Walker, Elise M O'Connell, Sammy M Njenga, Charles S Mwandawiro, Joanne P Webster, Thomas B Nutman, Roy M Anderson
BACKGROUND: Understanding and quantifying the sources and implications of error in the measurement of helminth egg intensity using Kato-Katz (KK) and the newly emerging "gold standard" quantitative polymerase chain reaction (qPCR) technique is necessary for the appropriate design of epidemiological studies, including impact assessments for deworming programs. METHODS: Repeated measurements of Ascaris lumbricoides infection intensity were made from samples collected in western Kenya using the qPCR and KK techniques...
May 25, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28542260/hookworm-infection-is-associated-with-decreased-cd4-t-cell-counts-in-hiv-infected-adult-ugandans
#2
Bozena M Morawski, Miya Yunus, Emmanuel Kerukadho, Grace Turyasingura, Logose Barbra, Andrew Mijumbi Ojok, Andrew DiNardo, Stefanie Sowinski, David R Boulware, Rojelio Mejia
Most studies evaluating epidemiologic relationships between helminths and HIV have been conducted in the pre-ART era, and evidence of the impact of helminth infections on HIV disease progression remains conflicting. Less is known about helminth infection and clinical outcomes in HIV-infected adults receiving antiretroviral therapy (ART). We sampled HIV-infected adults for eight gastrointestinal parasites and correlated parasitic infection with demographic predictors, and clinical and immunologic outcomes. Contrasting with previous studies, we measured parasitic infection with a quantitative, highly sensitive and specific polymerase chain reaction (PCR) method...
May 25, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28536880/seasonal-variation-of-strongylosis-in-working-donkeys-of-ethiopia-a-cross-sectional-and-longitudinal-studies
#3
Motuma Debelo Dibaba, A M Getachew, Zerihun Assefa, Alemayehu Fanta, Manyahilishal Etana, Seyoum Firew, Lemessa Goshu, F Burden
Helminths are one of the major health problems of working donkeys, often with heavy worm burden and contributing to their early demise and/or reduction in their work output. Cross-sectional and longitudinal studies were conducted to investigate the current infection prevalence and level of strongyles infection donkeys would acquire through different seasons in the mid-lowland agro-ecological zones of Ethiopia. For this purpose, faecal samples from 206 (cross-sectional study) and 102 (longitudinal study) randomly selected donkeys were directly collected from the rectum and analysed...
May 24, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28507417/molecular-detection-of-taenia-spp-in-dogs-feces-in-zanjan-province-northwest-of-iran
#4
Mohammad Hasan Kohansal, Abbasali Nourian, Ali Haniloo, Asghar Fazaeli
AIM: Echinococcus and Taenia spp. are important but neglected zoonotic helminths of dogs. Dogs as the most relevant definitive hosts harbor several species of Taenia and Echinococcus simultaneously in their gastrointestinal lumen which are morphologically indistinguishable. In this study, we used a multiplex polymerase chain reaction (PCR) method to identify Taeniid infections which seem to be highly distributed in the study region. MATERIALS AND METHODS: A total of 450 dog fecal samples were collected from eight different areas of Zanjan province, northwest of Iran, and examined using a flotation method followed by multiplex PCR for detection and identification of parasites' eggs...
April 2017: Veterinary World
https://www.readbyqxmd.com/read/28506307/intestinal-parasitic-infections-and-its-association-with-undernutrition-and-cd4-t-cell-levels-among-hiv-aids-patients-on-haart-in-butajira-ethiopia
#5
Dereje Gedle, Gemechu Kumera, Tewodros Eshete, Kasahun Ketema, Haweni Adugna, Fetuma Feyera
BACKGROUND: Intestinal parasitic infections and HIV/AIDS have been the major public health problems and remain a vital cause of morbidity and mortality in developing countries. Both problems are linked in a vicious cycle. The magnitude of intestinal parasites was prevalent among people living with HIV/AIDS even in the HAART era. However, the pertinent risk factors associated with intestinal parasites among HIV/AIDS patients were not well investigated in Ethiopia particularly at Butajira town...
May 15, 2017: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/28489921/time-trend-of-neurocysticercosis-in-children-with-seizures-in-a-tertiary-hospital-of-western-nepal
#6
Kalipatnam Seshagiri Rao, Sudhir Adhikari, Eva Gauchan, Brijesh Sathian, Ganesh B K, Sahisnuta Basnet, Prabhat Kumar Tiwari, Namraj Bahadur, Rajnish Mishra
INTRODUCTION: Neurocysticercosis is a common cause of seizure disorders in children of Western Nepal. The clinical presentation is variable. The incidence varies depending on the food habits and ethnicity of the population. The present study was undertaken with the objective of studying the mode of presentation, radiological findings and to determine the recent trend of the disease in children of Western Nepal. METHODS: Records from the Department of Pediatrics, Manipal Teaching Hospital, Pokhara, Nepal of children aged 0-17 years admitted from 2003 to 2015 and with the discharge diagnosis of seizure and neurocysticercosis (NCC) were reviewed...
May 10, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28489889/an-environmental-assessment-and-risk-map-of-ascaris-lumbricoides-and-necator-americanus-distributions-in-manufahi-district-timor-leste
#7
Rebecca Wardell, Archie C A Clements, Aparna Lal, David Summers, Stacey Llewellyn, Suzy J Campbell, James McCarthy, Darren J Gray, Susana V Nery
BACKGROUND: In Timor-Leste there have been intermittent and ineffective soil-transmitted helminth (STH) deworming programs since 2004. In a resource-constrained setting, having information on the geographic distribution of STH can aid in prioritising high risk communities for intervention. This study aimed to quantify the environmental risk factors for STH infection and to produce a risk map of STH in Manufahi district, Timor-Leste. METHODOLOGY/PRINCIPAL FINDINGS: Georeferenced cross-sectional data and stool samples were obtained from 2,194 participants in 606 households in 24 villages in the Manufahi District as part of cross sectional surveys done in the context of the "WASH for Worms" randomised controlled trial...
May 10, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28472383/effect-of-anthelmintic-treatment-on-insulin-resistance-a-cluster-randomized-placebo-controlled-trial-in-indonesia
#8
Dicky L Tahapary, Karin de Ruiter, Ivonne Martin, Eric A T Brienen, Lisette van Lieshout, Christa M Cobbaert, Pradana Soewondo, Yenny Djuardi, Aprilianto E Wiria, Jeanine J Houwing-Duistermaat, Erliyani Sartono, Johannes Wa Smit, Maria Yazdanbakhsh, Taniawati Supali
Background: Emerging evidence suggests that helminth infections are associated with lower insulin resistance (IR). Current deworming programmes might remove this helminth-associated protective effect. Therefore, we evaluated the anthelmintic treatment effect on changes in IR. Methods: We conducted a double-blind household-cluster-randomized placebo-controlled clinical trial on Flores island, Indonesia, an area endemic for soil-transmitted helminths (STH). All subjects received four rounds of three-monthly albendazole or matching placebo for three consecutive days...
May 3, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28449319/comparison-of-administrative-and-survey-data-for-estimating-vitamin-a-supplementation-and-deworming-coverage-of-children-under-five-years-of-age-in-sub-saharan-africa
#9
Amynah Janmohamed, David Doledec
OBJECTIVE: To compare administrative coverage data to results from household coverage surveys for vitamin A supplementation (VAS) and deworming campaigns conducted during 2010-2015 in 12 African countries. METHODS: Paired t-tests examined differences between administrative and survey coverage for 52 VAS and 34 deworming dyads. Independent t-tests measured VAS and deworming coverage differences between data sources for door-to-door and fixed-site delivery strategies and VAS coverage differences between 6 to 11 and 12 to 59-month age groups...
April 27, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28443822/an-eight-year-survey-of-the-intestinal-parasites-of-carnivores-hoofed-mammals-primates-ratites-and-reptiles-in-the-ljubljana-zoo-in-slovenia
#10
Pavel Kvapil, Marjan Kastelic, Alenka Dovc, Eva Bartova, Petr Cizek, Natacha Lima, Spela Strus
Problems with parasitic infections and their interspecies transmissions are common in zoological gardens and could pose serious health damage to captive animals. This study presents results of eight-year monitoring of intestinal parasites in animals from Zoo Ljubljana, Slovenia. A total of 741 faecal samples from 40 animal species were collected two to four times per year and examined microscopically. Intestinal parasites were detected in 45% of samples, with detection of helminths (Cestoda, Nematoda - Ascaridida, Enoplida, Strongylida, Oxyurida, Rhabditida and Trichurida) and protists (Apicomplexa and Ciliophora) in 25% and 13% of samples, respectively; mixed infection was found in 7% of samples...
April 21, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28433409/managing-anthelmintic-resistance-in-parascaris-spp-a-modelling-exercise
#11
Dave M Leathwick, Christian W Sauermann, Thomas Geurden, Martin K Nielsen
A previously described model for the dynamics of the parasitic stages of Parascaris spp. was modified to include eggs outside the host and the genetics of anthelmintic resistance before being used to address questions regarding the development of resistance. Three broad questions were addressed; i) How sustainable is the current common practice of treating foals monthly for their first year of life (i.e. 12 treatments/year)? ii) Does the timing of treatments have an effect on resistance development? (i.e. do certain treatments select for resistance more strongly than others?), and iii) How sustainable is the currently recommended strategy of targeting ascarid infections in foals with two treatments applied during the first five months of life? A range of variations within these broad questions were considered, such as the value in rotational deworming, whether larvicidal treatments are more selective for resistance, and whether combination anthelmintics should be introduced...
March 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28426784/building-on-the-success-of-soil-transmitted-helminth-control-the-future-of-deworming
#12
Peter Mark Jourdan, Antonio Montresor, Judd L Walson
No abstract text is available yet for this article.
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28424794/study-design-and-baseline-results-of-an-open-label-cluster-randomized-community-intervention-trial-to-assess-the-effectiveness-of-a-modified-mass-deworming-program-in-reducing-hookworm-infection-in-a-tribal-population-in-southern-india
#13
Rajiv Sarkar, Anuradha Rose, Venkata R Mohan, Sitara S R Ajjampur, Vasanthakumar Veluswamy, Rajan Srinivasan, Jayaprakash Muliyil, Vedantam Rajshekhar, Kuryan George, Vinohar Balraj, Nicholas C Grassly, Roy M Anderson, Simon J Brooker, Gagandeep Kang
INTRODUCTION: Hookworm infection is a leading cause of iron deficiency anemia and malnutrition in resource-poor settings. Periodic mass deworming with anthelminthic drugs remains the cornerstone of hookworm control efforts worldwide. Reinfection following treatment occurs, reflecting the human host's inability to acquire immunity following exposure to an untreated reservoir of infection. This cluster randomized trial will evaluate the effectiveness of a modified, population-based, mass deworming strategy in reducing hookworm infection in an endemic southern Indian population...
March 2017: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/28406909/sustained-effectiveness-of-weekly-iron-folic-acid-supplementation-and-regular-deworming-over-6-years-in-women-in-rural-vietnam
#14
Gerard J Casey, Ta T Tinh, Nong T Tien, Sarah Hanieh, Luca T Cavalli-Sforza, Antonio Montresor, Beverley-Ann Biggs
BACKGROUND: Weekly iron-folic acid (IFA) supplementation and regular deworming is effective for the prevention of iron deficiency and anaemia in women of child-bearing age. Between 2006 and 2013, a program of weekly IFA and biannual deworming was implemented in Yen Bai province, Vietnam. In this study we aimed to determine the effectiveness of the program in reducing anaemia and the prevalence of hookworm infection after 72 months (six years). METHODS: This prospective cohort study followed up a cohort of 389 women of child-bearing age from baseline until six years after the introduction of the weekly IFA (one tablet containing 200 mg ferrous sulphate, 0...
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28381246/-fit-for-school-a-school-based-water-sanitation-and-hygiene-programme-to-improve-child-health-results-from-a-longitudinal-study-in-cambodia-indonesia-and-lao-pdr
#15
Denise Duijster, Bella Monse, Jed Dimaisip-Nabuab, Pantjawidi Djuharnoko, Roswitha Heinrich-Weltzien, Martin Hobdell, Katrin Kromeyer-Hauschild, Yung Kunthearith, Maria Carmela Mijares-Majini, Nicole Siegmund, Panith Soukhanouvong, Habib Benzian
BACKGROUND: The Fit for School (FIT) programme integrates school health and Water, Sanitation and Hygiene interventions, which are implemented by the Ministries of Education in four Southeast Asian countries. This paper describes the findings of a Health Outcome Study, which aimed to assess the two-year effect of the FIT programme on the parasitological, weight, and oral health status of children attending schools implementing the programme in Cambodia, Indonesia and Lao PDR. METHODS: The study was a non-randomized clustered controlled trial with a follow-up period of two years...
April 5, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28380511/association-between-famacha-scores-and-fecal-egg-counts-in-katahdin-lambs
#16
D R Notter, J M Burke, J E Miller, J L M Morgan
The FAMACHA system was introduced to the U.S. just over 10 yr ago to allow selective deworming of lambs with anemia associated with and retard the development of anthelmintic resistance. The FAMACHA system was initially developed as a predictor of packed cell volume (PCV), but correlations between FAMACHA and fecal egg counts (FEC) have also been reported. It is important to understand factors that influence FAMACHA scores among farms to improve management of gastrointestinal nematodes. The objectives of this study were therefore to quantify associations between FAMACHA scores, FEC, BW, and age in Katahdin lambs at 2 different measurement times in 8 flocks in the eastern U...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28370210/the-effect-of-three-monthly-albendazole-treatment-on-th2-responses-differential-effects-on-ige-and-il-5
#17
Karin de Ruiter, Dicky L Tahapary, Linda Wammes, Aprilianto E Wiria, Firdaus Hamid, Lisette van Lieshout, Johannes W A Smit, Jeanine J Houwing-Duistermaat, Erliyani Sartono, Taniawati Supali, Maria Yazdanbakhsh
Helminth parasites induce a strong Th2 response, characterized by high levels of IgE and elevated signature cytokines such as IL-5. As many global deworming programs are underway, there is concern that this might lead to emergence of Th1-mediated pathologies when the counterbalancing helminth-induced Th2 response is absent. Therefore, we assessed the effect of deworming on Th2 mediated responses in a household-clustered randomised controlled trial in Indonesia. Total plasma IgE and whole-blood IL-5 responses to mitogen phytohaemagglutinin (PHA) were measured in 1494 and 682 subjects respectively, at baseline, 9 and 21 months after three-monthly single dose treatment with albendazole or placebo...
March 31, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28358802/knowledge-practices-and-perceptions-of-geo-helminthes-infection-among-parents-of-pre-school-age-children-of-coastal-region-kenya
#18
Janet Masaku, Faith Mwende, Gladys Odhiambo, Rosemary Musuva, Elizabeth Matey, Jimmy H Kihara, Isaac G Thuita, Doris W Njomo
BACKGROUND: Soil-transmitted helminthes (STHs) are common human parasitic diseases in most of the developing world particularly in Kenya. The ongoing National School-Based Deworming Programme (NSBDP) was launched in 2012 and is currently targeting 28 of the 47 endemic Counties. In an effort to improve treatment intervention strategies among Pre-School Age Children (PSAC) attending Early Childhood Development Centres (ECDC), we sought to assess parents' knowledge, perceptions and practices on worm infection...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28357645/seroprevalence-and-risk-factors-for-leptospirosis-in-cattle-sheep-and-goats-at-consorted-rearing-from-the-state-of-piau%C3%A3-northeastern-brazil
#19
Ângela Piauilino Campos, Dayane Francisca Higino Miranda, Huanna Waleska Soares Rodrigues, Micherlene da Silva Carneiro Lustosa, Gustavo Henrique Chaves Martins, Ana Lys Bezerra Barradas Mineiro, Vanessa Castro, Sérgio Santos Azevedo, Silvana Maria Medeiros de Sousa Silva
Leptospirosis is an endemic disease in Latin America, caused by pathogenic bacteria of the genus Leptospira. It is considered one of the main causes responsible for the negative economic impact on global livestock by causing reproductive problems. The research aimed to determine the prevalence of leptospirosis in cattle, sheep, and goats at consorted rearing in the micro-region of Teresina, Piauí state, northeastern Brazil, as well as to identify prevalent serovars and risk factors associated with seroprevalence...
March 29, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28348881/in-vitro-assessment-of-anthelmintic-activities-of-rauwolfia-vomitoria-apocynaceae-stem-bark-and-roots-against-parasitic-stages-of-schistosoma-mansoni-and-cytotoxic-study
#20
Emmanuel Mouafo Tekwu, Kwabena Mante Bosompem, William Kofi Anyan, Regina Appiah-Opong, Kofi Baffour-Awuah Owusu, Mabel Deladem Tettey, Felicia Amanfo Kissi, Alfred Ampomah Appiah, Veronique Penlap Beng, Alexander Kwadwo Nyarko
Schistosomiasis is a Neglected Tropical Diseases which can be prevented with mass deworming chemotherapy. The reliance on a single drug, praziquantel, is a motivation for the search of novel antischistosomal compounds. This study investigated the anthelmintic activity of the stem bark and roots of Rauwolfia vomitoria against two life stages of Schistosoma mansoni. Both plant parts were found to be active against cercariae and adult worms. Within 2 h of exposure all cercariae were killed at a concentration range of 62...
2017: Journal of Parasitology Research
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