Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| role of pathogens in multiple sclerosis. | multiple sclerosis (ms) is an inflammatory demyelinating autoimmune disease of the central nervous system (cns). although the etiology of ms is unknown, genetic and environmental factors play a role. infectious pathogens are the likely environmental factors involved in the development of ms. pathogens associated with the development or exacerbation of ms include bacteria, such as mycoplasma pneumoniae and chlamydia pneumoniae, the staphylococcus aureus-produced enterotoxins that function as supe ... | 2017 | 24266364 |
| blastocystis subtyping and its association with intestinal parasites in children from different geographical regions of colombia. | blastocystis is a common enteric protist colonizing probably more than 1 billion people with a large variety of non-human hosts. remarkable genetic diversity has been observed, leading to the subdivision of the genus into multiple subtypes (st), some of which are exclusively found in non-human hosts. the aim of this study was to determine the distribution of blastocystis sts/18s alleles in symptomatic (abdominal pain, anal pruritus, diarrhea, headache, nauseas and/or vomit) and asymptomatic chil ... | 2017 | 28222192 |
| detection and quantification of soil-transmitted helminths in environmental samples: a review of current state-of-the-art and future perspectives. | it is estimated that over a billion people are infected with soil-transmitted helminths (sths) globally with majority occurring in tropical and subtropical regions of the world. the roundworm (ascaris lumbricoides), whipworm (trichuris trichiura), and hookworms (ancylostoma duodenale and necator americanus) are the main species infecting people. these infections are mostly gained through exposure to faecally contaminated water, soil or contaminated food and with an increase in the risk of infect ... | 2017 | 28214519 |
| association of community sanitation usage with soil-transmitted helminth infections among school-aged children in amhara region, ethiopia. | globally, in 2010, approximately 1.5 billion people were infected with at least one species of soil-transmitted helminth (sth), ascaris lumbricoides, trichuris trichiura, hookworm (ancylostoma duodenale and necator americanus). infection occurs through ingestion or contact (hookworm) with eggs or larvae in the environment from fecal contamination. to control these infections, the world health organization recommends periodic mass treatment of at-risk populations with deworming drugs. prevention ... | 2017 | 28212668 |
| the molecular speciation of soil-transmitted helminth eggs collected from school children across six endemic countries. | the diagnosis of soil-transmitted helminths (sths; ascaris, trichuris and hookworms) is traditionally based on the demonstration of eggs in stool using microscopic techniques. while molecular techniques are more appropriate to speciate sth species they are seldom applied. in this study we speciated sth eggs from stool using molecular techniques to gain insights into the distribution of both human and animal sth species in the human host. | 2017 | 28100811 |
| diagnosis of intestinal parasites in a rural community of venezuela: advantages and disadvantages of using microscopy or rt-pcr. | a cross-sectional study was carried out to determine the prevalence and diagnostic performance of microscopy and real time pcr (rt-pcr) for 14 intestinal parasites in a venezuelan rural community with a long history of persistent intestinal parasitic infections despite the implementation of regular anthelminthic treatments. a total of 228 participants were included in this study. a multiplex rt-pcr was used for the detection of dientamoeba fragilis, giardia intestinalis, cryptosporidium sp. and ... | 2017 | 28007484 |
| [geohelminths]. | millions of people in in rural areas and deprived tropical and subtropical regions are infected by soil-transmitted helminths: ascaris lumbricoides, trichuris trichiura, hookworms (ancylostoma duodenale and necator americanus), and strongyloides stercoralis. large migratory flows have made their worldwide distribution easier. besides being debilitating and producing a significant mortality, they cause high morbidity, leading to physical and intellectual impairment in millions of children who liv ... | 2017 | 26980233 |
| quantitative pcr and digital pcr for detection of ascaris lumbricoides eggs in reclaimed water. | the reuse of reclaimed water from wastewater depuration is a widespread and necessary practice in many areas around the world and must be accompanied by adequate and continuous quality control. ascaris lumbricoides is one of the soil-transmitted helminths (sth) with risk for humans due to its high infectivity and an important determinant of transmission is the inadequacy of water supplies and sanitation. the world health organization (who) recommends a limit equal to or lower than one parasitic ... | 2017 | 28377928 |
| effect of 3 years of biannual mass drug administration with albendazole on lymphatic filariasis and soil-transmitted helminth infections: a community-based study in republic of the congo. | the standard treatment strategy of mass drug administration with ivermectin plus albendazole for lymphatic filariasis cannot be applied in central africa, because of the risk of serious adverse events in people with high loa loa microfilaraemia. thus, alternative strategies are needed. we investigated one such alternative strategy for mass drug administration for elimination of lymphatic filariasis and soil-transmitted helminth infections in republic of the congo. | 2017 | 28372977 |
| combination of laparoscope and choledochoscope to treat biliary ascariasis: a care-compliant case report. | ascariasis is an endemic parasitic disease caused by ascaris lumbricoides, which severely burdens the healthcare system as well as harms the personal life quality, especially among less developed regions. biliary ascariasis is a critical complication of intestinal ascariasis with painful and life-threatening manifestations. the exploration of proper strategies as its medical interventions remains largely controversial. | 2017 | 28353561 |
| dissociation between skin test reactivity and anti-aeroallergen ige: determinants among urban brazilian children. | the dissociation between specific ige and skin prick test reactivity to aeroallergens, a common finding in populations living in low and middle-income countries, has important implications for the diagnosis and treatment of allergic diseases. few studies have investigated the determinants of this dissociation. in the present study, we explored potential factors explaining this dissociation in children living in an urban area of northeast brazil, focusing in particular on factors associated with ... | 2017 | 28350867 |
| preventive chemotherapy in one year reduces by over 80% the number of individuals with soil-transmitted helminthiases causing morbidity: results from meta-analysis. | the morbidity due to ascaris lumbricoides and trichuris trichiura is caused by infections of moderate and heavy intensity while hookworm infections of all intensities are recognized to cause morbidity.this study aims to evaluate the effect of repeated rounds of preventive chemotherapy on the proportion of soil-transmitted helminth (sth) infections causing morbidity. we identified studies from 17 countries, reporting changes in the proportion of sth infection causing morbidity between baseline an ... | 2017 | 28340144 |
| a recombinant cystatin from ascaris lumbricoides attenuates inflammation of dss-induced colitis. | helminthiasis may ameliorate inflammatory diseases, such as inflammatory bowel disease and asthma. information about immunomodulators from ascaris lumbricoides is scarce, but could be important considering the co-evolutionary relationships between helminths and humans. we evaluated the immunomodulatory effects of a recombinant cystatin from a. lumbricoides on an acute model of dextran sodium sulphate (dss)-induced colitis in mice. from an a. lumbricoides cdna library we obtained a recombinant cy ... | 2017 | 28295446 |
| improved diagnosis of trichuris trichiura by using a bead-beating procedure on ethanol preserved stool samples prior to dna isolation and the performance of multiplex real-time pcr for intestinal parasites. | for the majority of intestinal parasites, real-time pcr-based diagnosis outperforms microscopy. however, the data for trichuris trichiura have been less convincing and most comparative studies have been performed in populations with low prevalence. this study aims to improve detection of t. trichuria dna in human stool by evaluating four sample preparation methods. faecal samples (n = 60) were collected at flores island, indonesia and examined by microscopy. aliquots were taken and a bead-beatin ... | 2017 | 28290266 |
| effect of polymorphisms on tgfb1 on allergic asthma and helminth infection in an african admixed population. | allergic asthma is a complex disorder that results from a combination of genetic and environmental factors. studies suggest that helminth infections can activate a regulatory network characterized by the production of regulatory cytokines, such as interleukin 10 and transforming growth factor β1 (tgf-β1) and subsequently protect against immune-mediated diseases, such as asthma. on the other hand, tgf-β1 is increased in the lungs of individuals with asthma and may modulate airway inflammation. th ... | 2017 | 28284979 |
| comparison and validation of two mathematical models for the impact of mass drug administration on ascaris lumbricoides and hookworm infection. | the predictions of two mathematical models of the transmission dynamics of ascaris lumbricoides and hookworm infection and the impact of mass drug administration (mda) are compared, using data from india. one model has an age structured partial differential equation (pde) deterministic framework for the distribution of parasite numbers per host and sexual mating. the second model is an individual-based stochastic model. baseline data acquired prior to treatment are used to estimate key transmiss ... | 2017 | 28279454 |
| geospatial distribution of intestinal parasitic infections in rio de janeiro (brazil) and its association with social determinants. | intestinal parasitic infections remain among the most common infectious diseases worldwide. this study aimed to estimate their prevalence and provide a detailed analysis of geographical distribution of intestinal parasites in the metropolitan region of rio de janeiro, considering demographic, socio-economic, and epidemiological contextual factors. | 2017 | 28273080 |
| parasitic contamination of raw vegetables and fruits collected from selected local markets in arba minch town, southern ethiopia. | one way that people get infected with intestinal parasites is through the consumption of contaminated vegetables and fruits. this study aimed at determining the prevalence and predictors of parasitic contamination of fruits and vegetables collected from four local markets in arba minch town, southern ethiopia. | 2017 | 28264707 |
| urogenital schistosomiasis and soil-transmitted helminthiasis (sth) in cameroon: an epidemiological update at barombi mbo and barombi kotto crater lakes assessing prospects for intensified control interventions. | the crater lakes of barombi mbo and barombi kotto are well-known transmission foci of schistosomiasis and soil-transmitted helminthiasis having had several important control initiatives previously. to collect contemporary epidemiological information, a cross-sectional survey was undertaken inclusive of: signs and symptoms of disease, individual treatment histories, local water, sanitation and hygiene (wash)-related factors and malacological surveillance, with molecular characterisation of specim ... | 2017 | 28238285 |
| prevalence and distribution of soil-transmitted helminth infections in india. | understanding the prevalence of soil-transmitted helminth infections is necessary to plan control strategies and focus on highly endemic regions for preventive chemotherapy and improved sanitation facilities. india is known to be endemic for soil-transmitted helminth infections. | 2017 | 28209148 |
| impact of single annual treatment and four-monthly treatment for hookworm and ascaris lumbricoides, and factors associated with residual infection among kenyan school children. | school-based deworming is widely implemented in various countries to reduce the burden of soil-transmitted helminths (sths), however, the frequency of drug administration varies in different settings. in this study, we compared the impact of a single annual treatment and 4-monthly treatment over a follow-up among kenyan school children, and investigated the factors associated with residual infection. | 2017 | 28179024 |
| unexpected low soil-transmitted helminth prevalence in the butha-buthe district in lesotho, results from a cross-sectional survey. | soil-transmitted helminth (sth) infections with ascaris lumbricoides, hookworm and trichuris trichiura affect large parts of the world's population. for the implementation of national sth control programs, e.g. preventive chemotherapy (treatment with albendazole and mebendazole), the spatial distribution and prevalence of sth infections must be known. however, for lesotho only little data were available and the sth distribution remains largely unknown. | 2017 | 28179008 |
| epidemiology of soil-transmitted helminth and intestinal protozoan infections in preschool-aged children in the amhara region of ethiopia. | intestinal parasites are important contributors to global morbidity and mortality and are the second most common cause of outpatient morbidity in ethiopia. this cross-sectional survey describes the prevalence of soil-transmitted helminths and intestinal protozoa in preschool children 0-5 years of age in seven communities in the amhara region of ethiopia, and investigates associations between infection, household water and sanitation characteristics, and child growth. stool samples were collected ... | 2017 | 28167597 |
| prevalence and seasonal variation of human intestinal parasites in patients attending hospital with abdominal symptoms in northern jordan. | this study was carried out to determine the prevalence of intestinal parasites and their seasonal variation in northern jordan. a total of 21 906 stool samples were collected over a period of 4 years (2009- 2013) from 5 government hospitals in 3 cities. samples were processed and examined microscopically and by concentration methods. parasitic infection was found in 9611 samples (44%). giardia lamblia was the most prevalent parasite (41%) followed by entamoeba histolytica (31%) and ent. coli (13 ... | 2017 | 28134428 |
| ascaris phylogeny based on multiple whole mtdna genomes. | ascaris lumbricoides and a. suum are two parasitic nematodes infecting humans and pigs, respectively. there has been considerable debate as to whether ascaris in the two hosts should be considered a single or two separate species. previous studies identified at least three major clusters (a, b and c) of human and pig ascaris based on partial cox1 sequences. in the present study, we selected major haplotypes from these different clusters to characterize their whole mitochondrial genomes for phylo ... | 2017 | 27939588 |
| ascaris lumbricoides egg die-off in an experimental excreta storage system and public health implication in vietnam. | we studied the influence of different additive materials (lime, and rice husk) and aeration conditions on ascaris lumbricoides egg die-off in 24 vaults of an experimental excreta storage unit. | 2017 | 27872945 |
| ascaris lumbricoides through pleural biopsy needle. a rare case of intrapleural ascariasis. | 2017 | 27823891 | |
| intestinal helminth co-infection and associated factors among tuberculosis patients in arba minch, ethiopia. | helminths affect the outcome of tuberculosis by shifting cell mediated immune response to humoral and by total suppression of the host immune system. on the reverse, mycobacterium infection favors immune escape of helminths. therefore assessing helminth co-infection rate and predisposing factors in tuberculosis patients is mandatory to set strategies for better case management. | 2017 | 28086814 |
| rapid genotyping of β-tubulin polymorphisms in trichuris trichiura and ascaris lumbricoides. | the benzimidazole (bz) anthelmintics, albendazole (abz) and mebendazole (mbz) are the most common drugs used for treatment of soil-transmitted helminths (sths). their intensive use increases the possibility that bz resistance may develop. in veterinary nematodes, bz resistance is caused by a single nucleotide polymorphism (snp) in the β-tubulin isotype 1 gene at codon position 200, 167 or 198, and these snps have also been correlated with poor response of human trichuris trichiura to bz treatmen ... | 2017 | 28081124 |
| the roundworm strongyloides stercoralis in children, dogs, and soil inside and outside a segregated settlement in eastern slovakia: frequent but hardly detectable parasite. | a comparative study was carried out to evaluate the strongyloides stercoralis infections in children and dogs inside and outside the segregated settlement in medzev, eastern slovakia, and a survey of the soil within the settlement was included. applying the koga agar plate (kap) culture method and microscopy examination of stool samples collected from 60 roma and 21 nonroma children, no larvae of s. stercoralis were detected but eggs of three nematodes (ascaris lumbricoides, trichuris trichiura, ... | 2017 | 28074315 |
| risk of human helminthiases: geospatial distribution and targeted control. | we conducted a cross-sectional survey in 2012 among 22 rural barangays in northern samar, the philippines in order to determine the prevalence of single and multiple species helminth infections, their geospatial distribution and underlying risk factors. | 2017 | 27988408 |
| differential effect of mass deworming and targeted deworming for soil-transmitted helminth control in children: a systematic review and meta-analysis. | soil-transmitted helminth infections are a major global health issue, causing substantial morbidity in the world's poorest populations. regular delivery of anthelmintic drugs is the mainstay for global soil-transmitted helminth control. deworming campaigns are often targeted to school-aged children, who are at high risk of soil-transmitted-helminth-associated morbidity. however, findings from modelling studies suggest that deworming campaigns should be expanded community-wide for effective contr ... | 2017 | 27979381 |
| risk factors for human helminthiases in rural philippines. | a cross-sectional survey was performed in 2012 among 18 rural barangays in northern samar, the philippines in order to determine the prevalence of single and multiple species helminth infections and the underlying risk factors of acquiring one or more parasites. | 2017 | 27717859 |
| seroprevalence of five parasitic pathogens in pregnant women in ten caribbean countries. | to date, published epidemiological studies of parasitic infections in humans in the caribbean region are very limited. here, we report the seroprevalence of five parasitic pathogens, including ascaris lumbricoides, entamoeba histolytica, giardia lamblia, schistosoma mansoni, and toxocara canis in 435 serum samples collected between 2008 and 2011 from pregnant women in ten caribbean islands. we tested the serum samples for igg antibodies against the five parasites by enzyme-linked immunosorbent a ... | 2017 | 27778108 |
| recurrent pyogenic cholangitis: a review of imaging findings and clinical management. | recurrent pyogenic cholangitis (rpc) is an infective process involving the biliary tree typified by pigmented intraductal calculi with dilatation of the intra- and extrahepatic biliary tree. previously endemic to south-east asia, rpc can now be seen in western countries with the increasing access to international travel and immigration. affected patients are often plagued by recurrent bouts of cholangitis, and commonly suffer from complications such as abscess formation and biliary strictures. i ... | 2017 | 27770158 |
| spatial distribution of intestinal parasitic infections in a kaingáng indigenous village from southern brazil. | the spatial distribution of enteroparasitosis in an indigenous village from paraná was evaluated to identify areas of risk for these infections. a cross-sectional study (from november 2010 to june 2011) was performed using three faecal test(®) and kato & katz method and a questionnaire on housing and hygiene conditions was administered. local geostatistical analyses were performed to determine the spatial distribution of intestinal parasitic infections. the overall prevalence of enteroparasites ... | 2017 | 27538355 |
| the relationship between helminth infections and low haemoglobin levels in ethiopian children with blood type a. | the current study was conducted to evaluate the nature of association of abo blood type with helminth infection and related reduction in haemoglobin concentration. stool samples were collected from 403 school-age children attending tikur wuha elementary school from february to april 2011. helminth infection was examined using formol-ether concentration and thick kato-katz (two slides per stool specimen) techniques. haemoglobin level was determined using a hemocue machine and abo blood type was d ... | 2017 | 27194189 |
| potential contribution of adult populations to the maintenance of schistosomiasis and soil-transmitted helminth infections in the siavonga and mazabuka districts of zambia. | a majority of zambian children live in impoverished communities that lack safe water and proper sanitation, exposing them to urogenital and intestinal helminths. efforts to mitigate this plight have been implemented through mass drug administration aimed at deworming school-age and under-five children against schistosomiasis and soil-transmitted helminths. however, the disease status of adults living in the same communities as the treated children remains unknown. the aim of this study was to de ... | 2017 | 27180827 |
| serum micronutrients in helminth-infected pregnant women and children: suggestions for differential supplementation during anti-helminthic treatment. | the prevalence of helminth infection, which is known to affect nutritional status of the host, varies with age. the complex interplay between ages, nutrient requirements, and infection necessitated the need to recommend micronutrient supplementation during helminth infection among different age groups. | 2017 | 27036729 |
| prevalence of intestinal helminthic infections and malnutrition among schoolchildren of the zegie peninsula, northwestern ethiopia. | a cross-sectional study involving 408 schoolchildren was performed from november 2013 to february 2014 to assess the prevalence of intestinal helminthic infections and malnutrition among schoolchildren of the zegie peninsula, northwestern ethiopia. a structured questionnaire was used to gather data on the demographic and risk factors associated with intestinal helminthic infections. stool samples were collected and examined for helminth eggs using the formalin-ether concentration technique. in a ... | 2017 | 27026133 |
| management of accidental finding of ascaris lumbricoides during emergent abdominal surgery: a case report and review of the literature. | ascariasis lumbricoides is the most common soil-transmitted helminth worldwide and most often is asymptomatic, although it can present with abdominal pain, malabsorption and growth failure, complete or partial obstraction in small bowel and biliary system and etc. accidental encounters with ascaris during emergent abdominal surgeries are very rare and have been reported in less than a handful of papers. in this report, we describe this rare event from a country with low prevalence of this infect ... | 2017 | 27604675 |
| should parasitic disease be investigated in immigrant children with relative eosinophilia from tropical and sub-tropical regions? | immigrants to spain are mainly from low- and middle-income countries, and around 20% are children. absolute eosinophilia is defined as >0.45×10(9) eosinophilic leucocytes/l of peripheral blood. absolute eosinophilia in travelers and immigrants from tropical and sub-tropical areas is frequently associated with parasitic diseases. however, the significance of relative eosinophilia in immigrant children, defined as >5% eosinophilic leucocytes in those with <0.45×10(9) eosinophils/l, is unresolved. | 2017 | 26750778 |
| human parasites in the roman world: health consequences of conquering an empire. | the archaeological evidence for parasites in the roman era is presented in order to demonstrate the species present at that time, and highlight the health consequences for people living under roman rule. despite their large multi-seat public latrines with washing facilities, sewer systems, sanitation legislation, fountains and piped drinking water from aqueducts, we see the widespread presence of whipworm (trichuris trichiura), roundworm (ascaris lumbricoides) and entamoeba histolytica that caus ... | 2017 | 26741568 |
| occurrence of blastocystis spp. in uberaba, minas gerais, brazil. | intestinal parasites are a problem for public health all over the world. the infection with blastocystis, a protozoan of controversial pathogenicity, is one of the most common among them all. in this study, the occurrence of intestinal parasites, with emphasis on blastocystis, in patients at the universidade federal do triângulo mineiro was investigated in uberaba (mg) through microscopy of direct smears and fecal concentrates using ritchie's method. feces of 1,323 patients were examined from ap ... | 2017 | 26200960 |
| pancreatic ascariasis with periampullary carcinoma. | ascarias lumbricoides infestation is endemic in tropical countries. most infections are asymptomatic, but it can produce a wide spectrum of manifestations including hepatobiliary and pancreatic complications. there are reports of association of biliary ascariasis with bilary malignancies in the past, but same is not known for pancreatic ascariasis. we report a case of association of periampullary malignancy with pancreatic ascariasis. | 2017 | 25709954 |
| reduced efficacy of albendazole against ascaris lumbricoides in rwandan schoolchildren. | control of human soil-transmitted helminths (sths) relies on preventive chemotherapy of schoolchildren applying the benzimidazoles (bz) albendazole or mebendazole. anthelmintic resistance (ar) is a common problem in nematodes of veterinary importance but for human sths, information on drug efficacy is limited and routine monitoring is rarely implemented. herein, the efficacy of single dose albendazole (400 mg) was evaluated in 12 schools in the huye district of rwanda where ascaris is the predom ... | 2017 | 28697451 |
| profile of intestinal parasitosis among school-aged children in kiliba (eastern dr congo). | this study of feces sought to determine the prevalence of human intestinal parasites in the kiliba area of the eastern dr congo. feces of 602 school children aged from 9 to 20 years were collected from april to june 2014 and examined. direct analyses were supplemented with the kato and ritchie methods. the global prevalence of intestinal parasitosis in school-aged children in the kiliba area was 91.4 % [95 % ci: 87.6-94.3%]. the frequency of helminthiasis was high at 73.8 % (95 % ci: 68.4-78.6%) ... | 2017 | 28655684 |
| using a health-rating system to evaluate the usefulness of caenorhabditis elegans as a model for anthelmintic study. | soil-transmitted helminths (sths) are intestinal parasitic nematodes that infect humans, and are transmitted through contaminated soil. these nematodes include the large roundworm (ascaris lumbricoides), whipworm (trichuris trichiura), and hookworm (ancylostoma ceylanicum, ancylostoma duodenale, and necator americanus). nearly 1.5 billion people (~24% of the population) worldwide are infected with at least one species of these parasites, burdening the poor, in particular, children and pregnant w ... | 2017 | 28632749 |
| efficiency of two sewage treatment systems (activated sludge and natural lagoons) for helminth egg removal in morocco. | 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 collecte ... | 2017 | 28797540 |
| efficacy of single-dose 500 mg mebendazole in soil-transmitted helminth infections: a review. | soil-transmitted helminthiasis (sth) is caused by ascaris lumbricoides (roundworm), trichuris trichiura (whipworm), and ancylostoma duodenale and necator americanus (hookworms). mebendazole is one of the recommended preventive chemotherapy agents for sth. this review summarizes the efficacy data from 29 studies with single-dose 500 mg mebendazole in sth treatment and compares the results with those of a recently conducted phase 3 study of a 500 mg mebendazole chewable tablet against a. lumbricoi ... | 2017 | 28716158 |
| hookworm infection is associated with decreased cd4+ t cell counts in hiv-infected adult ugandans. | 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 ... | 2017 | 28542260 |
| point-of-care mobile digital microscopy and deep learning for the detection of soil-transmitted helminths and schistosoma haematobium. | microscopy remains the gold standard in the diagnosis of neglected tropical diseases. as resource limited, rural areas often lack laboratory equipment and trained personnel, new diagnostic techniques are needed. low-cost, point-of-care imaging devices show potential in the diagnosis of these diseases. novel, digital image analysis algorithms can be utilized to automate sample analysis. | 2017 | 28838305 |
| prevalence of strongyloides stercoralis and other intestinal parasite infections in school children in a rural area of angola: a cross-sectional study. | strongyloides stercoralis is widely distributed in the tropics and subtropics. the aim of this study was to determine the prevalence of s. stercoralis and other intestinal parasites and identify the risk factors for infection with s. stercoralis in a rural area of angola. a cross-sectional study was conducted in school-age children (sac) in cubal, angola. a questionnaire collecting clinical and epidemiological variables was used, and two stool samples were collected. a concentration technique (r ... | 2017 | 28820707 |
| prevalence and intensity of soil transmitted helminths among school children of mendera elementary school, jimma, southwest ethiopia. | soil transmitted helminths are wide spread in developing countries and in ethiopia the prevalence of sths varies in different parts of the country. the aim of this study was to determine the prevalence and intensity of soil transmitted helminths among school children of mendera elementary school jimma town, southwestern ethiopia. | 2017 | 28819509 |
| endoscopic ultrasound appearance of dead ascaris lumbricoides in the biliary tract. | 2017 | 28799147 | |
| comparison of novel and standard diagnostic tools for the detection of schistosoma mekongi infection in lao people's democratic republic and cambodia. | given the restricted distribution of schistosoma mekongi in one province in lao people's democratic republic (lao pdr) and two provinces in cambodia, together with progress of the national control programmes aimed at reducing morbidity and infection prevalence, the elimination of schistosomiasis mekongi seems feasible. however, sensitive diagnostic tools will be required to determine whether elimination has been achieved. we compared several standard and novel diagnostic tools in s. mekongi-ende ... | 2017 | 28793922 |
| a cross-sectional survey of soil-transmitted helminthiases in two myanmar villages receiving mass drug administration: epidemiology of infection with a focus on adults. | soil-transmitted helminths (sth) are still highly prevalent in southeast asia. the country of myanmar has had ongoing mass drug administration (mda) programmes since 2003 in an attempt to control sth and reduce sth-related morbidities. whilst the mda programmes have reported high nationwide coverage, there have been no epidemiological surveys that included measurements from adults. this paper details three cross-sectional surveys that took place over the course of a year in two villages endemic ... | 2017 | 28778217 |
| the helminths causing surgical or endoscopic abdominal intervention: a review article. | helminths sometimes require surgical or endoscopic intervention. helminths may cause acute abdomen, mechanical intestinal obstruction, gastrointestinal hemorrhage, perforation, hepatitis, pancreatitis, and appendicitis. this study aimed to determine the surgical diseases that helminths cause and to gather, analyze the case reports, case series and original articles about this topic in literature. | 2017 | 28761475 |
| review of infectious etiology of acute pancreatitis. | while gallstones and alcoholism are widely known to be the most common causative agents of acute pancreatitis, about 10% of cases are thought to be caused by infectious microorganisms. these microorganisms include viruses (e.g. mumps, coxsackie b, and hepatitis), bacteria (e.g. mycoplasma pneumoniae and leptospirosis), and parasites (e.g. ascaris lumbricoides, fasciola hepatica, and hydatid disease). each organism causes acute pancreatitis through diverse mechanisms. the review is primarily cond ... | 2017 | 28725301 |
| more poop, more precision: improving epidemiologic surveillance of soil-transmitted helminths with multiple fecal sampling using the kato-katz technique. | soil-transmitted helminths, or parasitic intestinal worms, are among the most prevalent and geographically widespread parasitic infections in the world. accurate diagnosis and quantification of helminth infection are critical for informing and assessing deworming interventions. the kato-katz thick smear technique, the most widely used laboratory method to quantitatively assess infection prevalence and infection intensity of helminths, has often been compared with other methods. only a few small- ... | 2017 | 28722571 |
| discovery of parasite eggs in archeological residence during the 15th century in seoul, korea. | during civil engineering construction near sejong-ro, jongro-ku, seoul, cultural sites were found that are thought to have been built in the 15th century. this area was home to many different people as well as the leaders of the yi dynasty. to gain further insight into the life styles of the inhabitants of the old capital, soil samples were collected from various areas such as toilets, water foundations, and drainage ways. parasite eggs were examined by microscopy after 5 g soil samples were reh ... | 2017 | 28719964 |
| infections with schistosoma mansoni and geohelminths among school children dwelling along the shore of the lake hawassa, southern ethiopia. | infections with schistosoma mansoni and soil-transmitted helminthes (sths) are major public health problems in ethiopia. however, information was scarce on the current status of these infections to guide an intervention in the study area. therefore, this study was conducted to assess the prevalence of infections with s. mansoni and sths and associated factors among school children in southern ethiopia. | 2017 | 28719642 |
| comparison of cytokine responses in ecuadorian children infected with giardia, ascaris, or both parasites. | abstractmore than 2 billion people are infected with parasites globally, and the majority have coinfections. intestinal protozoa and helminths induce polarizing cd4(+) t-helper cell 1 (th1) mediated cytokine responses within the host. such immune polarization may inhibit the ability of the host to mount an adequate immune response for pathogen clearance to concurrent pathogens. the current study evaluated the plasma cytokine profile in ascaris and giardia coinfected children compared with giardi ... | 2017 | 28719267 |
| ascaris lumbricoides roundworms visible on a plain -non-contrast- abdominal x-ray in a patient presenting with gastric outlet obstruction. | 2017 | 28674577 | |
| occurrence of the most common helminth infections among children in the eastern slovak republic. | ascariasis, trichuriasis and hymenolepiasis occur primarily within poor communities with low hygiene standards. this study examined the occurrence of intestinal helminth infections among children living in two counties (košice and prešov) in the eastern slovak republic. | 2017 | 28646696 |
| epidemiology of intestinal helminthiasis among school children with emphasis on schistosoma mansoni infection in wolaita zone, southern ethiopia. | intestinal helminth infections are major parasitic diseases causing public health problems in ethiopia. although the epidemiology of these infections are well documented in ethiopia, new transmission foci for schistosomiasis are being reported in different parts of the country. the objective of this study was to assess the prevalence of schistosoma mansoni and other intestinal helminth infections among school children and determine the endemicity of schistosomiasis in wolaita zone, southern ethi ... | 2017 | 28633651 |
| association between intestinal helminth infections and mid-upper-arm circumference among children in sri lanka: a cross-sectional study. | intestinal helminth infections constitute a major health problem in low socio-economic communities worldwide. a cross-sectional study was conducted in children aged between 12 and 60 months. a structured questionnaire was used to collect socio-demographic data and stool samples were subjected to direct smear, stained with lugol's iodine, and formaldehyde-ether concentration techniques to determine the prevalence of intestinal helminth infections. the circumference of each child's left mid upper ... | 2017 | 28615087 |
| the importance of patient compliance in repeated rounds of mass drug administration (mda) for the elimination of intestinal helminth transmission. | systematic non-compliance to chemotherapeutic treatment among a portion of the eligible population is thought to be a major obstacle to the elimination of helminth infections by mass drug administration (mda). mda for helminths is repeated at defined intervals such as yearly or every 2 years, as a consequence of the inability of the human host to develop fully protective immunity to reinfection. as such, how an individual complies to these repeated rounds of mda can have a significant impact on ... | 2017 | 28606164 |
| is there a difference in prevalence of helminths between households using ecological sanitation and those using traditional pit latrines? a latrine based cross sectional comparative study in malawi. | studies have shown that households using sludge from human excreta for agriculture are at an increased risk of soil transmitted helminths. however, while use of ecological sanitation (ecosan) latrines is increasing in most african countries including malawi, few studies have been done to check whether use of such sludge could potentially increase the prevalence of helminthic infections among household members as a results of exposure to faecal sludge/compared to use of traditional latrines. | 2017 | 28599671 |
| urgent needs in fostering neglected tropical diseases (ntds) laboratory capacity in who western pacific region: results from the external quality assessment on ntds diagnosis in 2012-2015. | neglected tropical diseases (ntds) are a heterogeneous group of mainly chronic, debilitating and often stigmatizing diseases that largely affects low-income and politically marginalized populations, causing a large burden of public health, social and economies in the ntds endemic countries. ntds are caused by infections with a range of pathogen, including bacteria, parasites, protozoa and viruses. the accurate diagnosis of ntds is important for reducing morbidity, preventing mortality and for mo ... | 2017 | 28592266 |
| distribution of parasites detected in stool samples of patients in le dantec university hospital of dakar, senegal, from 2011 to 2015. | to identify the parasites responsible for intestinal parasitic infections diagnosed at le dantec university hospital of dakar, distribution of parasites detected in stool samples of patients was studied. from 2011 to 2015, 2578 patients were included in the study. a direct examination and ritchie technique were performed as parasite search techniques. in total, 408 samples were positive showing 440 intestinal parasites; this corresponds to prevalence of 15.8%. parasites were detected in monopara ... | 2017 | 28588624 |
| high prevalence of enteroparasites in children from ribeirão preto, são paulo, brazil. | to determine the prevalence of intestinal parasites and possible associated factors. | 2017 | 28562805 |
| sources of variability in the measurement of ascaris lumbricoides infection intensity by kato-katz and qpcr. | 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. | 2017 | 28545561 |
| analysis of the internal transcribed spacer region of ascaris suum and ascaris lumbricoides derived from free range tibetan pigs. | ascaris suum (a. suum) is the most commonly occurring worldwide internal parasite of pigs; however, little is known about this organism in tibetan pigs in china. a study was carried to isolate and identify the characteristics of internal transcribed spacer region (its) gene of a. suum derived from tibetan pigs. adult nematodes were collected from tibetan pigs in 2015-2016. total genomic dna of the extracted parasites was performed and a fragment of the its of mitochondrial (mt) gene was amplifie ... | 2017 | 28531364 |
| correlation between soil transmitted helminth infection and eosinophil levels among primary school children in medan. | soil transmitted helminth infection is one of most prevalent health problems worldwide, especially in environments with poor sanitation. based on world health organisation (who) data, more than 2 billion people, or 24% of the world's population, are infected with intestinal parasite. the highest prevalence is located in areas of poor sanitation and unsafe water supplies. in indonesia, the prevalence of parasite infections is 15% of the entire population. | 2017 | 28507618 |
| intestinal parasitic infections and its association with undernutrition and cd4 t cell levels among hiv/aids patients on haart in butajira, ethiopia. | 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. therefore, the ... | 2017 | 28506307 |
| an environmental assessment and risk map of ascaris lumbricoides and necator americanus distributions in manufahi district, timor-leste. | 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. | 2017 | 28489889 |
| recognition of plasmodium falciparum mature gametocyte-infected erythrocytes by antibodies of semi-immune adults and malaria-exposed children from gabon. | transmission of malaria from man to mosquito depends on the presence of gametocytes, the sexual stage of plasmodium parasites in the infected host. naturally acquired antibodies against gametocytes exist and may play a role in controlling transmission by limiting the gametocyte development in the circulation or by interrupting gamete development and fertilization in the mosquito following ingestion. so far, most studies on antibody responses to sexual stage antigens have focused on a subset of g ... | 2017 | 28446190 |
| high prevalence of plasmodium falciparum and soil-transmitted helminth co-infections in a periurban community in kwara state, nigeria. | prevalence of malaria and soil-transmitted helminth infections, and the burden of disease are enormous in sub-saharan africa. co-infections aggravate the clinical outcome, but are common due to an overlap of endemic areas. a cross-sectional survey was conducted to assess prevalence, intensity of infection and association between malaria and soil-transmitted helminth infections in a typical periurban community in kwara state. fresh blood and faecal samples were examined using thick blood film and ... | 2017 | 28442321 |
| an unusual abdominal wall mass in a child. | abdominal tumors are one of the most common types of pediatric cancer. therefore, they should always be included in the differential diagnosis of abdominal masses. here, we present the case of a child whose initial hypothesis of diagnosis contemplated this possibility. later, it was demonstrated that the abdominal mass found was secondary to a common parasitosis. a 2-year old, moderately malnourished and pale white boy was referred with a history of a rapidly growing, well-limited, middle abdomi ... | 2017 | 28423091 |
| post extubation bronchospasm in an undiagnosed case of ascariasis: anaesthetic challenges. | one of the most prevalent parasitic infestation is ascariasis which poses a great challenge to both the person being infested with and the treating medical team. we present here a case of round worm (ascaris lumbricoides) infestation. a 40-year-old male, weighing 60 kg, diagnosed as perforation peritonitis, was scheduled for emergency exploratory laparotomy. the round worm was crawling out from duodenal perforation vent during laparotomy confirming the infestation. patient later developed bronch ... | 2017 | 28384964 |
| haemoglobinopathies - major associating determinants in prevalence of anaemia among adolescent girl students of assam, india. | prevalence of anaemia among adolescent girl students of assam, a north-eastern state of india, was evaluated along with its associating determinants. the present study revealed that anaemia is a major public health problem among adolescent girl students of assam. the overall prevalence of anaemia among adolescent girl students of assam is as high as 71.5%. non-nutritional factors such as infection due to helminths was substantially low (24.71%). ascaris lumbricoides was the most frequent infecti ... | 2017 | 28615556 |
| socioenvironmental conditions and intestinal parasitic infections in brazilian urban slums: a cross-sectional study. | a cross-sectional study covering an agglomeration of urban slums was conducted between 2015 and 2016 using participants observation, a socioeconomic survey, and the spontaneous sedimentation method with three slides per sample to analyze fresh stool specimens ( n =595) searching for intestinal parasites. | 2017 | 28793024 |
| intestinal parasitic infections: current status and associated risk factors among school aged children in an archetypal african urban slum in nigeria. | intestinal parasitic infections (ipis) among school aged children (sac) in nigeria remains endemic, hence the need for regular surveillance to attract the attention of policy makers. this cross-sectional study investigated the current prevalence and factors associated with intestinal parasitic infections among school aged children in an urban slum of lagos city, nigeria. | 2017 | 28711437 |
| intestinal parasites in children and soil from turbaco, colombia and associated risk factors. | objective to determine the frequency of intestinal parasites in children and soil from turbaco- colombia and associated risks factors. methods analytical study in which 390 children between 2 and 12 years old from 10 neighborhoods of turbaco were included, whose legal representatives gave informed consent. three serial samples of feces and 10 soil samples were processed. risk factors were determined through an interview. physicochemical and structural characteristics of soils were also evaluated ... | 2016 | 28453159 |
| [intestinal parasites in children in biankouma, ivory coast (mountaineous western region): efficacy and safety of praziquantel and albendazole]. | schistosomiasis and soil-transmitted helminthiasis are a global public health problem, especially among schoolchildren. the purpose of this study was to determine the overall and specific prevalences of intestinal helminth infection and to assess the clinical efficacy, tolerance, and safety of praziquantel and albendazole for treating it. a descriptive cross-sectional study based on random sampling with one degree of freedom was conducted from november 2006 to march 2007 in the primary schools o ... | 2016 | 23107664 |
| [intestinal helminthiasis diagnosed in dakar, senegal]. | the goal of this study was to determine the prevalence of digestive helminthiasis among patients referred to the laboratory of parasitology and mycology at le dantec hospital in dakar for examination of stool samples from 2004 to 2009. of 1 526 direct stool examinations (ritchie and baerman techniques) analyzed at the laboratory of parasitology and mycology of le dantec hospital from 2004 to 2009, 310 were positive for intestinal helminthiasis, for a prevalence of 20.3%. the main species found w ... | 2016 | 23695222 |
| evolutionary immune response to conserved domains in parasites and aeroallergens. | the immune response based on immunoglobulin e (ige) evolved as a defense against specific parasitic infections. in the absence of active helminthic infections, the immune system has redirected its ige epitopes toward innocuous environmental antigens. helminths and aeroallergens have a similar stereotypical ige response to unique antigens that can not be explained by chance alone. this study was designed to evaluate potential homology between conserved protein domains embedded in parasitic organi ... | 2016 | 23406942 |
| hepatobiliary and pancreatic ascariasis-sonographic pictorial essay on four pediatric cases with acute biliary colic. | hepatobiliary and pancreatic ascariasis occur due to migration of the round worm ascaris lumbricoides through the bile duct orifice finally reaching the common bile duct, main pancreatic duct, intrahepatic ducts or gallbladder. these resulted in acute epigastric and right hypochondriac region colicky pain. ultrasound is the investigation of choice in hepatobiliary ascariasis. we present here sonographic images on four pediatric patients with acute biliary colic. | 2016 | 26690772 |
| children with moderate-high infection with entamoeba coli have higher percentage of body and abdominal fat than non-infected children. | intestinal parasites, virus and bacterial infections are positively associated with obesity and adiposity in vitro and in animal models, but conclusive evidence of this relationship in humans is lacking. the aim of this cross-sectional study was to determine differences in adiposity between infected and non-infected children, with a high prevalence of intestinal parasitic infection and obesity. | 2016 | 26663860 |
| risk factors associated with parasitic infection among municipality solid-waste workers in an egyptian community. | solid-waste management is associated with several health hazards, particularly parasitic infection. the objective of the study was to determine the association between risk factors and the occurrence of intestinal parasitic infections (potentially pathogenic) among municipal waste collectors in alexandria, egypt. a cross-sectional survey was conducted in the main municipality company in alexandria. a total of 346 municipality solid-waste workers (mswws) was interviewed using an in-depth question ... | 2016 | 26606452 |
| smartphone microscopy of parasite eggs accumulated into a single field of view. | a nokia lumia 1020 cellular phone (microsoft corp., auckland, new zealand) was configured to image the ova of ascaris lumbricoides converged into a single field of view but on different focal planes. the phone was programmed to acquire images at different distances and, using public domain computer software, composite images were created that brought all the eggs into sharp focus. this proof of concept informs a framework for field-deployable, point of care monitoring of soil-transmitted helmint ... | 2016 | 26572870 |
| health status of immigrant children and environmental survey of child daycare centers in samut sakhon province, thailand. | samut sakhon is a thai province popular among immigrants attracted to work in factories and the thai food industry, especially people from myanmar. poor personal-hygiene behaviors, crowded accommodation and limited sanitation, result in health problems among immigrant workers. various infectious diseases among this group are seen and managed by samut sakhon general hospital. the impact of intestinal parasitic infections on public health is well known; they can spread from infected immigrant area ... | 2016 | 25502792 |
| infectious diseases in immigrant population related to the time of residence in spain. | the aim of this study was to evaluate the data on the main imported infectious diseases and public health issues arising from the risk of transmission of tropical and common diseases in the immigrant population. during the period of study, 2,426 immigrants were attended in the tropical medicine unit of the hospital of poniente. for each patient, a complete screening for common and tropical diseases was performed. the prevalence and main features of intestinal and urinary parasites, microfilarias ... | 2016 | 25466580 |
| a hierarchical bayesian analysis of parasite prevalence and sociocultural outcomes: the role of structural racism and sanitation infrastructure. | we conduct a revaluation of the thornhill and fincher research project on parasites using finely-resolved geographic data on parasite prevalence, individual-level sociocultural data, and multilevel bayesian modeling. in contrast to the evolutionary psychological mechanisms linking parasites to human behavior and cultural characteristics proposed by thornhill and fincher, we offer an alternative hypothesis that structural racism and differential access to sanitation systems drive both variation i ... | 2016 | 26179238 |
| intestinal helminth coinfection is associated with mucosal lesions and poor response to therapy in american tegumentary leishmaniasis. | the most severe clinical form of american tegumentary leishmaniasis (atl) due to leishmania braziliensis is mucosal leishmaniasis (ml), characterized by destructive lesions in the facial mucosa. we performed a retrospective cohort study of 109 atl patients from rio de janeiro state, brazil, where atl is caused by l. braziliensis, to evaluate the influence of intestinal parasite coinfections in the clinical course of atl. parasitological stool examination (pse) was performed with samples from all ... | 2016 | 26519200 |
| presence of helminth eggs in domestic wastewater and its removal at low temperature uasb reactors in peruvian highlands. | this work studied the anaerobic sludge filtration capacity for pathogens reduction in a 29 l and 1.65 m height lab-scale uasb reactor treating domestic wastewater at low temperatures in the city of puno (peru). the anaerobic sludge filtration capacity was performed applying upflow velocities of 0.12, 0.14, 0.16, 0.20, 0.27 and 0.41 m/h. results show that the he removal varied between 89 and 95% and the most common specie was ascaris lumbricoides. faecal coliform and escherichia coli removal vari ... | 2016 | 26748206 |
| [acute cholangitis secondary to ascariasis and complicated by liver abscesses]. | acute cholangitis secondary to ascariasis is rare and occurs mainly in areas of high endemicity. the clinical presentation is non-specific, sometimes complicated by liver abscess. abdominal ultrasound plays an important role in diagnosis and therapeutic surveillance. we report the case of a 35-year-old malagasy woman with an acute cholangitis secondary to ascariasis and complicated by liver abscesses and its course to full recovery under medical treatment. | 2016 | 26742557 |
| etiology of diarrhea in children younger than 5 years attending the bengo general hospital in angola. | diarrheal disease is among the leading causes of death in children younger than 5 years, especially in developing countries. the aim of this study was to investigate the most frequent etiological agents of diarrhea and its associated factors in children younger than 5 years attending the bengo general hospital in angola. | 2016 | 26761347 |
| intestinal parasites, growth and physical fitness of schoolchildren in poor neighbourhoods of port elizabeth, south africa: a cross-sectional survey. | as traditional lifestyle and diets change with social and economic development, disadvantaged communities in low- and middle-income countries increasingly face a double burden of communicable and non-communicable diseases. we studied the relationship between physical fitness and infections with soil-transmitted helminths (sths), intestinal protozoa and helicobacter pylori among schoolchildren in port elizabeth, south africa. | 2016 | 27595566 |