| epidemiological survey of the prevalence of parasites among children in khan younis governorate, palestine. | the prevalence of intestinal parasites was determined for 1,370 children in khan younis governorate, gaza strip. the age of the children ranged from 6 to 11 years. for stool samples, inspection, direct smear microscopy, flotation and sedimentation techniques were used. the general prevalence of intestinal parasites was 34.2%. different types of intestinal parasites were detected during this survey: ascaris lumbricoides seemed to be the most common parasite (12.8%), whereas giardia lamblia had a ... | 2004 | 15517386 |
| [occurrence of intestinal parasites among first grade students in poland in years 2002/2003]. | in the school year 2002/2003 there were examined in poland some of the population of 7-year-old children for the presence of intestinal parasites, continuing countrywide operation launched in 1988. methods: the studies were based on the examination of a single faecal specimen and a cellophane swab using the following methods: wet mount preparations in 0.9% nacl and diluted lugol's ioine, zinc sulphate centrifugal flotation and decantation. results and conclusions: the studies included 31 504 chi ... | 2004 | 15517810 |
| epidemiology of helminth infections and their relationship to clinical malaria in southwest uganda. | it has recently been suggested that helminth infections may adversely influence susceptibility to other infections, including malaria. to investigate this hypothesis in a sub-saharan african setting, surveys of helminth infections were conducted in 2003 among individuals who had been under weekly active case detection for clinical malaria during the preceding 18 months in four villages in kabale district, southwest uganda. overall, 47.3% of individuals had at least one intestinal nematode specie ... | 2005 | 15550257 |
| an unusual cause of recurrent biliary colics. | hepato-biliary ascariasis is a rare condition in non-endemic areas; however, it should always be taken into account in patients with recurrent biliary colics and/or cholangitis, since these are among the most frequent modes of clinical presentation. we report a case of a young woman suffering from recurrent biliary colics in whom a diagnosis of biliary ascariasis was made. endoscopic retrograde cholangiopancreatography with sphincterotomy and endoscopic extraction of the worm, using a dormia bas ... | 2004 | 15571008 |
| wet-days: are they better indicators of ascaris infection levels? | seasonal variation in a particular area may influence the occurrence of helminth infections and determining such fluctuations may help to maximize the beneficial effects of mass treatment. this study determined the seasonal variations in infection levels of ascaris lumbricoides between march 2000 and june 2001 in two selected low-country plantations. four hundred and seventy seven persons aged between 2 and 74 years (median 13) participated. stools were tested using the kato-katz method and the ... | 2004 | 15575986 |
| [the second stage larvae of ascaris lumbricoides]. | to induce the apoptosis of human alveolar epithelial cells (a549) by the extraction of the second stage larvae of ascaris lumbricoides and investigate the extraction concentration and inducing time related to the apoptosis. | 2004 | 15587153 |
| status of intestinal parasite infections among children in bat dambang, cambodia. | a survey was conducted to determine the extent of intestinal parasite infection in bat dambang, cambodia in march 2004. a total of 623 fecal specimens was collected from kindergarten and schoolchildren and examined using the formalin-ether sedimentation technique. the overall infection rate of intestinal parasites was 25.7% (boys, 26.2%; girls, 25.1%), and the infection rates of intestinal helminthes by species were as follows: echinostoma sp. 4.8%, hookworm 3.4%, hymenolepis nana 1.3%, and rhab ... | 2004 | 15591838 |
| comment on: severe malaria attack is associated with high prevalence of ascaris lumbricoides infection among children in rural senegal. | | 2005 | 15607342 |
| prevalence of parasitic diseases among nomadic fulanis of south-eastern nigeria. | a study was carried out to determine the prevalence of parasitic infections among the nomadic fulanis of south-eastern nigeria between september 2003-march 2004. urine, stool and blood specimens were collected from each of 231 subjects. of these, 98 (42.4%) were infected with one or more of 14 parasitic species, of which plasmodium malariae had the highest prevalence (15.3%). others included 6 intestinal helminth parasites: ascaris lumbricoides, hookworm, strongyloides stercoralis, schistosoma m ... | 2004 | 15627328 |
| spatial analysis of the distribution of intestinal nematode infections in uganda. | the spatial epidemiology of intestinal nematodes in uganda was investigated using generalized additive models and geostatistical methods. the prevalence of ascaris lumbricoides and trichuris trichiura was unevenly distributed in the country with prevalence greatest in southwest uganda whereas hookworm was more homogeneously distributed. a. lumbricoides and t. trichiura prevalence were nonlinearly related to satellite sensor-based estimates of land surface temperature; hookworm was nonlinearly as ... | 2004 | 15635963 |
| intestinal parasitic infections and eosinophilia in an human immunedeficiency virus positive population in honduras. | the occurrence of intestinal parasites, their regional distribution and their relations to eosinophilia were studied in 133 human immunodeficiency virus (hiv) positive individuals from honduras. after signing an informed consent, participants answered a socio-demographic and risk factor questionnaire, a complete physical examination, medical history, and a series of laboratory tests. all participants were hiv positive but not acquired immunodeficiency syndrome positive. of them, 67% were co-infe ... | 2004 | 15654438 |
| a rare manifestation of ascariasis: encephalopathy. | | 2005 | 15657013 |
| intestinal parasitic infections and socioeconomic status in prek russey commune, cambodia. | possible relationships were explored between socioeconomic status (ses) and intestinal parasitic infections among residents of prek russey, a commune in a rural area near phnom penh. | 2004 | 15678991 |
| prevalence of intestinal parasitic infestation in schoolchildren in the northeastern part of kathmandu valley, nepal. | this paper presents the status of intestinal parasitosis in public schoolchildren (1 to 10 classes) in a rural area of the kathmandu valley, nepal. a total of 533 schoolchildren (269 girls and 264 boys, aged 4 to 19 years) were included in this study. a questionnaire was filled out regarding hygienic and other habits, including factors predisposing to parasitic infections. fecal samples from the children were examined by formol-ether concentration technique. the overall prevalence of parasitosis ... | 2004 | 15689056 |
| survey for intestinal parasites in belize, central america. | a stool survey was carried out in 5 villages in the toledo district of the central american country of belize. eighty-two percent of a total population of 672 participated. the stools were examined by the formalin-ethyl-acetate concentration technique. sixty-six percent of the population was found to have one or more intestinal parasites. the most common infection was hookworm (55%) followed by ascaris lumbricoides (30%), entamoeba coli (21%), trichuris trichiura (19%), giardia lamblia (12%), io ... | 2004 | 15689057 |
| cure and reinfection patterns of geohelminthic infections after treatment in communities inhabiting the tropical rainforest of assam, india. | mass de-worming targeted at socio-economically poor communities can be considered as an option for communities living in the tropical forests of assam who do not have access to safe drinking water and proper sanitation, and consequently have a higher risk of suffering from geohelminthic infection and associated morbidity. a random sample of 265 subjects was included in this study (134 males and 131 females). the chemotherapeutic regimen followed was a single dose of albendazole 400 mg. stools sa ... | 2004 | 15689058 |
| images in clinical medicine. ascaris lumbricoides blocking the common bile duct. | | 2005 | 15689578 |
| soil-transmitted helminthiases and health behaviors among schoolchildren and community members in a west-central border area of thailand. | the prevalence of soil-transmitted helminthic infections and health behaviors related to infections in schoolchildren and villagers of a community (4 hamlets) was studied in hauy kayeng subdistrict, thong pha phum district, in the north of kanchanaburi province. the intestinal helminth infection rate of the schoolchildren was 15.6%. hookworm infection was the most prominent (9.8%), followed by trichuris trichiura (6.2%), and ascaris lumbricoides (2.2%). the community showed higher prevalence rat ... | 2004 | 15691121 |
| intestinal parasite analysis in organic sediments collected from a 16th-century belgian archeological site. | parasite eggs found in organic remains collected from medieval structures in raversijde (medieval name: walraversijde), a village on the northern coast of belgium, are discussed. the eggs were identified as ascaris lumbricoides and trichuris trichiura, both human parasites. species identification allowed elucidating the origin of the organic sediments and the structures, in this case latrines used by humans. capillaria sp. and free-living nematode larvae were also found in the latrine. although ... | 2005 | 15692668 |
| day-to-day variations in iron, zinc and copper in breast milk of guatemalan mothers. | to assess the within-subject and between-subject coefficients of variation (cv) of iron, zinc and copper concentrations in the milk of guatemalan mothers. | 2005 | 15699684 |
| associations between filarial and gastrointestinal nematodes. | the possibility that positive or negative associations occur between the filarial nematode onchocerca volvulus and the gastrointestinal nematodes ascaris lumbricoides and trichuris trichiura was investigated in 205 children attending three schools in central cameroon. despite the closeness of their locations, marked differences between the schools were detected with respect to the number of species carried, the prevalence of o. volvulus and t. trichiura and the interaction between the prevalence ... | 2005 | 15708389 |
| severe and fatal central nervous system disease in humans caused by baylisascaris procyonis, the common roundworm of raccoons: a review of current literature. | baylisascaris procyonis, a parasitic infection of raccoons, causes severe neurologic disease in humans when infective eggs from raccoon feces are ingested. definitive diagnosis is challenging, but can be made by isolation of larvae in brain biopsy or exclusion of other potential causes of eosinophilic meningoencephalitis. prevention efforts are critical due to the lack of effective treatment. | 2005 | 15715975 |
| [prevalence of intestinal parasitosis in the city of eirunepé, amazon]. | samples of 413 patient were analyzed and positivity was found in 64.4% (266) of the exams. the intestinal parasites most prevalent were: ascaris lumbricoides (35.6%); trichuris trichiura (18.6%); ancylostomides (9.9%); strongyloides stercoralis (1%), enterobius vermiculares (0,5%); entamoeba histolytica (13.3%) and giardia lamblia (1%). the presence of varied degrees of anemia were detected in 39.8% of the exams. | 2005 | 15717101 |
| sonographic features of intestinal and biliary ascariasis in childhood: case report and review of the literature. | despite the fact that ascaris lumbricoides is one of the commonest intestinal infections in developing countries, there are very few reports in the literature about the sonographic findings of intestinal and biliary ascariasis in childhood. the clinical manifestations, diagnostic procedures and imaging appearance of intestinal and biliary ascariasis in two patients are discussed with a brief review of the literature. | 2004 | 15720890 |
| prevalence of toxocariasis in northeastern brazil based on serology using recombinant toxocara canis antigen. | to evaluate the prevalence of toxocariasis in children in jaboatão dos guararapes, pernambuco in northeastern brazil, 215 serum samples were examined by an enzyme-linked immunosorbent assay (elisa) using a recombinant toxocara canis antigen. in the elisa, 26 (12.1%) of 215 subjects were positive. in a dot-blot assay using 53 of 215 serum samples, the diagnostic results correlated with those obtained by the elisa. moreover, it has been confirmed that the recombinant t. canis antigen was highly sp ... | 2005 | 15728875 |
| earth-eating and reinfection with intestinal helminths among pregnant and lactating women in western kenya. | we conducted a longitudinal study among 827 pregnant women in nyanza province, western kenya, to determine the effect of earth-eating on geohelminth reinfection after treatment. the women were recruited at a gestational age of 14-24 weeks (median: 17) and followed up to 6 months postpartum. the median age was 23 (range: 14-47) years, the median parity 2 (range: 0-11). after deworming with mebendazole (500 mg, single dose) of those found infected at 32 weeks gestation, 700 women were uninfected w ... | 2005 | 15730505 |
| genetic influences on plasma cytokine variation in a parasitized population. | the soil-transmitted helminths are the most common helminthic infections, affecting about one-fourth of the world's population. there is a significant genetic component to susceptibility to infection with these organisms. substantial changes in plasma cytokine levels are associated with helminthic infections, and there may be significant genetic components to this cytokine variation. six plasma cytokine levels were assessed for 367 members of a single pedigree from the jirel population of easter ... | 2004 | 15754969 |
| immunity, immunoregulation and the ecology of trichuriasis and ascariasis. | immune responses to human roundworm (ascaris lumbricoides) and whipworm (trichuris trichiura) and their role in controlling worm populations are reviewed. recent immunoepidemiological data implicate t(h)2-mediated responses in limiting a. lumbricoides and t. trichiura populations. reinfection studies further suggest that il-5 cytokine responses are negatively associated with adult recruitment in t. trichiura but not a. lumbricoides and may therefore be involved in negative intraspecific and inte ... | 2004 | 15771679 |
| [prevalence of intestinal parasitis at the king baudouin health center of guediawaye (senegal)]. | a prospective study carrying on 302 samples of stools of aged children of 0 to 15 years has been achieved between january 02 and april 11 2001 in the center of health roi baudouin of guediawaye (senegal) to appreciate the prevalence of intestinal parasitis. for every child, we made a scotch test, a macroscopic exam of stools and a microscopic exam to the direct analysis and after concentration by the method of ritchie simplified. the global prevalence is 56,62%. ascaris lumbricoides arrived in h ... | 2002 | 15776669 |
| tribendimidine: a promising, safe and broad-spectrum anthelmintic agent from china. | we review, for the first time, a 20-year chinese story of research and development pertaining to tribendimidine, a promising anthelmintic agent that is safe and exhibits a broad spectrum of activity. tribendimidine was first synthesized at the national institute of parasitic diseases in shanghai in the mid 1980s. in laboratory studies, tribendimidine showed high efficacy against nippostrongylus braziliensis in rats, necator americanus in hamsters, ancylostoma caninum and toxocara canis in dogs, ... | 2005 | 15777691 |
| [a comparative study of the parasitological techniques: kato-katz and coprotest]. | parasitological diagnosis should be appropriately conducted with high sensitivity and specificity so that intestinal parasite can be detected as the specific treatment depends on this result. a comparative study was developed to evaluate the concordance between the kato-katz and coprotest methods in the detection of helminthes in 332 individuals in pedro de toledo. a significant difference was found in the case of the trichuris trichiura - 16.2% with the kato-katz method and 7.5% with the coprot ... | 2005 | 15821795 |
| comparison of the thick smear and kato-katz techniques for diagnosis of intestinal helminth infections. | this study compared the efficiency of kato-katz thick smear and thick smear techniques for the diagnosis of intestinal helminths. the sensitivity of the thick smear technique was higher than that of the kato-katz method for the diagnosis of all helminths except schistosoma mansoni. | 2005 | 15821801 |
| prevalence of parasites in kindergarten children. | | 2005 | 15840461 |
| cecropin p1 and novel nematode cecropins: a bacteria-inducible antimicrobial peptide family in the nematode ascaris suum. | cecropin p1 was first identified as a mammalian antimicrobial peptide isolated from the pig intestine. much research aimed at characterizing this peptide has been reported. recently, the workers who discovered the peptide corrected their original conclusion, and confirmed that this peptide originates in fact from the pig intestinal parasitic nematode, ascaris suum. in the present study, we carried out a semi-exhaustive search for bacteria-inducible transcripts in a. suum by the cdna subtraction ... | 2005 | 15850460 |
| age-dependent epidemiological patterns and strain diversity in helminth parasites. | field studies of schistosomes and the major intestinal nematodes trichuris trichiura and ascaris lumbricoides repeatedly demonstrate that the intensity and prevalence of infection exhibit marked dependency on host age. peak levels of infection typically occur in hosts aged between 10 and 14 yr in endemically infected communities. it has widely been assumed that the slow acquisition of resistance in adults is caused by repeated exposure to the same antigenic repertoire of a single parasite strain ... | 2005 | 15856867 |
| ecological covariates of ascaris lumbricoides infection in schoolchildren from rural kwazulu-natal, south africa. | to identify environmental factors that could serve to predict ascaris lumbricoides infection patterns and thus guide control efforts in the absence of epidemiological information; to assess whether a. lumbricoides infection is positively associated with the soil clay content. | 2005 | 15860087 |
| immuno-epidemiology of ascaris lumbricoides infection in a high transmission community: antibody responses and their impact on current and future infection intensity. | the role of the humoral immune system in human infection with ascaris lumbricoides remains unclear. this study documents an epidemiological investigation in a highly endemic community in vietnam, whereby serum antibody levels were assessed before treatment and after a 6-month reinfection period. these data were examined by correlation with infection status using an age-structured approach in an attempt to help shed light on the role of the humoral immune response. the first part of this study ch ... | 2005 | 15882235 |
| impact of parasitic infections and dietary intake on child growth in the schistosomiasis-endemic dongting lake region, china. | the simultaneous impacts of parasitic infections and dietary intake on growth patterns were investigated for 427 children aged 10-13 years in the schistosomiasis-endemic dongting lake region of china. height, weight, mid-upper arm circumference, and skinfold thicknesses (triceps, biceps, and subscapular) were measured, and eggs of schistosoma japonicum, ascaris lumbricoides, trichuris trichiura, and fasciolopsis buski in the collected stool samples of each subject were detected by kato-katz thic ... | 2005 | 15891126 |
| helminth infection and cognitive impairment among filipino children. | the objective of this study was to examine the independent effect of infection with each of four helminths (ascaris lumbricoides, schistosoma japonicum, necator americanus, and trichuris trichiura) on cognitive function after adjusting for the potential confounders nutritional status, socioeconomic status (ses), hemoglobin, sex, and the presence of other helminthes. this cross-sectional study was carried out in a rural village in leyte, the philippines in 319 children 7-18 years old. three stool ... | 2005 | 15891127 |
| prevalence of intestinal parasites among members of the public in kuala lumpur, malaysia. | a total of 246 stool samples were collected from the public who participated in a medical fair held at the university malaya medical center. the stools were examined for intestinal parasites using the formalin-ether concentration technique. the overall infection rate was 6.9% (17 out of 246), with trichuris trichiura being the most common parasite (4.5%), followed by ascaris lumbricoides (0.8%), clonorchis sinensis (0.8%), hookworm (0.4%), and entamoeba histolytica (0.4%). none of these particip ... | 2005 | 15906644 |
| prevalence and risk factors for protozoan and nematode infections among children in an ecuadorian highland community. | in order to create a parasite prevention program for santa ana, ecuador, we worked with local physicians to identify the prevalence and risk factors for intestinal parasitic infection among children. two hundred households were randomly selected and asked to submit three stool samples from a selected child. information from direct observation and questionnaires was used to determine environmental and behavioral risk factors for parasitic infection. prevalence of any parasitic infection was 65.6% ... | 2005 | 15916785 |
| [intestinal parasitoses in a village of côte d'ivoire. ii: relationship between intestinal parasitoses, physical and physiological development and child nutrition]. | in a village situated at the border of the ebrié lagoon, with economical problems, 343 school and preschool children, aged 4 to 15 (195 boys and 148 girls), considered by the school and their families to be in good health, were submitted for clinical and coproparasitologic examination. basic clinical tests, anthropometric examination, spleen rate, nutrition status assessment (brachial perimeter of children aged 4 to 10 years) and the puberty level evaluation (using tanner's scale) were independe ... | 2005 | 15919627 |
| comparison of two methods (microscopy and enzyme-linked immunosorbent assay) for the diagnosis of amebiasis. | diagnosis of amebiasis is usually performed on a clinical basis alone in most endemic countries having limited economic resources. this epidemiological study was conducted using modern diagnostic tests for amebiasis in the southeastern region of turkey, an endemic area for amebiasis. the population of this study included patients with symptomatic diarrhea/dysentery attending both yuzuncu yil university, van and harran university, sanliurfa, turkey. a total of 380 stool specimens were collected a ... | 2005 | 15955332 |
| allergen-specific ige and igg4 are markers of resistance and susceptibility in a human intestinal nematode infection. | igg4 has been proposed to act as a 'blocking antibody' due to its ability to compete for the same epitopes as ige thus preventing ige-dependent allergic responses. igg4 and ige are both elevated in helminth infections and strong anti-parasite ige responses are associated with resistance to infection. we wished to determine the relationship between anti-parasite igg4 and ige and ascaris lumbricoides infection status. we examined anti-parasite responses, including antibody levels to recombinant as ... | 2005 | 15961339 |
| unusual foreign body airway obstruction after laryngeal mask airway insertion. | airway obstruction during general anesthesia is fairly common. foreign body causing obstruction of the laryngeal mask airway is uncommon but can confuse the anesthesiologist trying to troubleshoot the cause of inability to ventilate. we present a case of complete airway obstruction with a nematode caught in the vertical bars of the laryngeal mask airway after its insertion. | 2005 | 15976249 |
| magnetic resonace appearance of gall bladder ascariasis. | ascariasis is a common disease in many developing countries and is a common cause of biliary and pancreatic diseases in endemic areas. numerous studies have been published on biliary tract ascariasis. all these have documented ultrasonography as the primary imaging modality for biliary tract ascariasis. magnetic resonance cholangiopancreatography (mrcp) has been the latest entrant for the study of bilary tract. mrcp findings of biliary tract ascariasis have been scarcely documented. mrcp is a un ... | 2005 | 15985729 |
| an unusual case of biliary pain. | | 2005 | 16009681 |
| impact of two rounds of mass drug administration using diethylcarbamazine combined with albendazole on the prevalence of brugia timori and of intestinal helminths on alor island, indonesia. | annual mass drug administration (mda) using diethylcarbamizine (dec, 6 mg/kg) combined with albendazole (alb, 400 mg) is recommended by the global programme to eliminate lymphatic filariasis (gpelf). this strategy has been shown to be efficient in the of control bancroftian filariasis, but data on brugian filariasis as well as on the positive side effects on intestinal helminths are lacking. | 2005 | 16014169 |
| [prevalence of entero-parasitosis in one andean community in the province of victor fajardo, ayacucho, peru]. | the objectives of the study were to find out the prevalence and distribution of entero-parasitism and determine the prevalence of coproantigens of taenia solium in the andean community of huancapi, province of victor fajardo, ayacucho, peru. in the observational, transversal-descriptive study carried out between july and september 2000, by the ritchie and ziehl-neelsen methods, modified by cryptosporidium sp., samples of feces from 312 persons of the general population were examined. in addition ... | 2005 | 16021200 |
| h antigen presence in an ascaris lumbricoides extract. | previous experiences have demonstrated the same abo system and p system antigens in a. lumbricoides extracts and in their hosts. the aim was to show the behavior of an a. lumbricoides extract from an o group patient against monoclonal antibodies of different specificities. agglutination inhibition tests were carried out facing the extract against monoclonal antibodies (anti a 2.23; anti b 2.54; anti b 2.62; anti ab 2.39 and anti h 2.72) in optimal concentrations. suspensions of o group fresh red ... | 2005 | 16021290 |
| density dependence and overdispersion in the transmission of helminth parasites. | the influence of density-dependent processes on the transmission of parasitic helminths is determined by both the severity of the regulatory constraints and the degree of parasite overdispersion among the host population. we investigate how overdispersed parasite distributions among humans influence transmission levels in both directly- and indirectly-transmitted nematodes (ascaris lumbricoides and onchocerca volvulus). while past work has assumed, for simplicity, that density dependence acts on ... | 2005 | 16038403 |
| acute abdomen secondary to ascaris lumbricoides infestation of the small bowel. | ascariasis is a helminthic infection commonly found in tropical climates. it often propagates in communities of low socioeconomic status secondary to contamination of the soil and water supply with human feces. we present a case report of a 42-year-old asian-indian female presenting with a long-standing history of severe recurrent postprandial epigastric pain, requiring multiple hospital admissions. ultrasound, computed tomography (ct), and nuclear biliary scan were negative. she underwent esoph ... | 2005 | 16044931 |
| [intestinal helminthiasis in school children in haiti in 2002]. | a survey on intestinal helminths in school children was conducted in haiti in 2002. this first nationwide study involving the entire country was stratified by department according to urban and rural zones using the cluster method. focusing on elementary school children (n=5792; age range 3 to 20 years), it involved 26 urban and 49 rural schools randomly selected. stools were preserved in formalin and examined by the ritchie technique. thirty-four per cent of stools (1981/5792) tested positive fo ... | 2005 | 16050381 |
| inverse association between mycobacterium tuberculosis infection and atopic rhinitis in children. | the association between mycobacterium tuberculosis (mtb) infection and atopy remains controversial. | 2005 | 16076295 |
| risk of intestinal helminth and protozoan infection in a refugee population. | with continuing emigration from endemic countries, screening for parasitic infections remains a priority in u.s. communities serving refugee and immigrant populations. we report the prevalence of helminths and protozoa as well as demographic risk factors associated with these infections among 533 refugees seen at the santa clara county, california, refugee clinic between october 2001 and january 2004. stool parasites were identified from 14% of refugees, including 9% found to have one or more pr ... | 2005 | 16103610 |
| near fatal respiratory obstruction due to ascaris lumbricoides. | | 2005 | 16105356 |
| intestinal helminth infection in an ethnic minority commune in southern vietnam. | a program to control intestinal helminth infections, based on stool surveys, mass treatment of children below 17 years, improvement of sanitation and health education was performed between 1997 and 1999 in phan tien, an ethnic minority community in mountainous southern vietnam. before intervention, 28.6% of children excreted eggs of at least one parasite, hookworm being the most common (23%), followed by trichuris trichiura (1.9%), hymenolepis nana (1.9%), enterobius vermicularis (0.9%), ascaris ... | 2005 | 16124428 |
| immunologic responses to common antigens in helminthic infections and allergic disease. | it is estimated that over 1 billion individuals are infected with helminth parasites worldwide. epidemiologic studies have pointed to a protective role of helminthic infections in the development of allergy and asthma; however, evidence for this inverse association has not been consistently established. the focus of this review is to discuss the potential role of shared antigens between parasites and environmental allergens in modulating allergic immune responses, specifically tropomyosin. | 2005 | 16131913 |
| blastocystis hominis and other intestinal parasites in a community of pitanga city, paraná state, brazil. | the objective was to estimate the prevalence of blastocystis hominis, to evaluate the effectiveness of different techniques for its diagnosis as well as to estimate the prevalence of other intestinal parasites in the community of campo verde, a district of pitanga. the work was carried out from august to october 2004. samples of feces from children and adults were collected and submitted to the techniques of direct wet mount, flotation in zinc sulphate solution, tube sedimentation, sedimentation ... | 2005 | 16138204 |
| management of biliary ascariasis in pregnancy. | ascariasis is a helminthic infection of humans caused by the nematode ascaris lumbricoides. biliary ascariasis is one of the most common and well described entities caused by ascaris. in endemic areas pregnant women are prone to develop biliary ascariasis. its management poses a great challenge to both the attending surgeon and the endoscopist. between january 1993 and march 2003, 15 cases of biliary ascariasis were seen in pregnant patients in our institution. ultrasonography was used as the ma ... | 2005 | 16142431 |
| inverse relationship between the number of fertilized ascaris eggs excreted and fever, in patients co-infected with plasmodium vivax and ascaris lumbricoides. | | 2005 | 16156977 |
| risk factors for fasciola hepatica infection in children: a case-control study. | we conducted a case-control study to clarify the risk factors for human fascioliasis in the northern peruvian altiplano. cases (n=61) were individuals who were diagnosed as having chronic fascioliasis by faecal and/or serologic (fas2-elisa) studies. controls (n=61) had negative serologic and coprological results for fasciola hepatica. we identified an association between fascioliasis and four variables (40 analysed): the habit of drinking alfalfa juice (or=4.5; 95% ci 1.8-11.1; p<0.001); familia ... | 2006 | 16181652 |
| [abdominal pain in a 21 year old guinean woman]. | | 2005 | 16194483 |
| the development of a mouse model to explore resistance and susceptibility to early ascaris suum infection. | ascaris suum and ascaris lumbricoides exhibit an over-dispersed frequency distribution in their host populations in both the adult and larval stages. the impact of host factors on this observed distribution is still poorly understood and difficult to investigate in the natural host populations. the use of a mouse model has been supported by the observations that the larval migratory pattern, in this host, mimics the pattern observed in the pig. we explored the extrinsic factors that might affect ... | 2006 | 16209722 |
| [intestinal parasitic diseases in hiv-infected patients in uzbekistan]. | intestinal parasitic diseases were diagnosed in 100 hiv-infected patients at different stages of disease (its asymptomatic form, persistent generalized lymphoadenopathy, pre-aids, and aids) (group 1), 100 tashkent residents (group 2), and 349 patients with gastrointestinal diseases, allergic dermatoses, and skin depigmentation foci (group 3). the hiv-infected patients were found to have virtually all parasites, such as giardia lamblia, cryptosporidium parvum, chilomastix mesnili, entamoeba coli, ... | 2005 | 16212098 |
| [prevalence of infection by intestinal parasites in north lebanon: 1997-2001]. | we determined the prevalence of intestinal parasites in the north of lebanon between 1997 and 2001. we analysed the parasitology records of 17126 patients and evidence of parasitic infections was found in 5 713 (33.35%) cases. there was no significant difference in prevalence for males or females for any of the parasites. the most prevalent parasites were entamoeba coli (38.45%), ascaris lumbricoides (37.14%), giardia lamblia (15.39%), ent. histolytica (4.57%) and taenia sp. (3.3%). a comparison ... | 2004 | 16212211 |
| prevalence and predictors of intestinal helminth infections among human immunodeficiency virus type 1-infected adults in an urban african setting. | sub-saharan africa is disproportionately burdened by intestinal helminth and human immunodeficiency virus (hiv)-1 infection. recent evidence suggests detrimental immunologic effects from concomitant infection with the two pathogens. few studies, however, have assessed the prevalence of and predictors for intestinal helminth infection among hiv-1-infected adults in urban african settings where hiv infection rates are highest. we collected and analyzed sociodemographic and parasitologic data from ... | 2005 | 16222025 |
| the use of nafeedta-fortified fish sauce is an effective tool for controlling iron deficiency in women of childbearing age in rural vietnam. | one cost-effective strategy for controlling iron deficiency is the fortification of staple foods or condiments with iron. we evaluated the effectiveness of fortifying fish sauce with nafeedta for improving iron status in women of childbearing age in vietnam in a double-blind intervention with randomization by village. all families in the selected villages were supplied with fish sauce that was either unfortified (group c, 10 villages) or fortified with nafeedta [9 mmol (500 mg) fe/l, group f, 11 ... | 2005 | 16251617 |
| prevalence, behavioural and social factors associated with schistosoma intercalatum and geohelminth infections in são tomé and principe. | a pilot study was conducted in schoolchildren from three main districts of são tome to assess the relationship between the prevalence of infections caused by schistosoma intercalatum or intestinal helminths and individual behaviour and social conditions. coprological examination revealed an increase of schistosome infections and a persisting high endemicity for ascariasis and trichuriasis. infection rates were 36.2% for s. intercalatum and 70.8%, 68.5% and 4.6% for ascaris lumbricoides, trichuri ... | 2005 | 16252477 |
| soil-transmitted helminthiasis in uganda: epidemiology and cost of control. | a country-wide description of the distribution of soil-transmitted helminths in uganda is reported, based on data for 20-185 school-children from 271 schools. the overall prevalence of ascaris lumbricoides, trichuris trichiura and hookworm was 6.3%, 5.0% and 43.5%, respectively. the prevalence of a. lumbricoides and t. trichiura was unevenly distributed in the country with prevalence greatest in south-western uganda whereas hookworm was generally more homogeneously distributed. based on prelimin ... | 2005 | 16262745 |
| helminthic infestation of the primary school-going children in manipur. | a total of 1010 stool samples collected from the primary school-going children between the age group of 5 to 10 years from september 1998 to october 2000, were studied to find out the prevalence of intestinal helminths in this paediatric age group and in the urban and rural areas of manipur. the samples were processed in the microbiology department, rims, imphal by wet film, iodine preparation and concentration techniques (formol-ether concentration) to find out the presence of eggs, larvae of t ... | 2004 | 16295672 |
| evaluation of rapid diagnostic methods for pediatric viral diarrhea using samples collected in nepal and japan. | we evaluated real time pcr, elisa and immunochromatography (icg) test systems for detection of diarrheagenic viruses (rotavirus, adenovirus and norovirus) in pediatric diarrheal fecal samples collected in kathmandu, nepal (n = 23) and in kobe, japan (n = 25) in summer of 2004. of the 23 samples collected in nepal, one (4.3%) was positive for rotavirus and two (8.7%) for adenovirus whereas six out of 25 samples (24.0%) collected in japan were positive for norovirus. of the japanese samples, 11 (4 ... | 2004 | 16295734 |
| arsenic-contaminated water and extent of acute childhood malnutrition (wasting) in rural bangladesh. | to investigate whether children's nutritional status, especially the extent of wasting [acute malnutrition as measured by weight-for-height z (whz) score] is associated with arsenic contamination of drinking water, a survey was carried out in two discrete rural areas located less than 30 km southeast and northeast of dhaka, the capital of bangladesh. 761 children between 7 and 14 years of age were randomly selected, one child per household. the arsenic concentration in the tube well water used b ... | 2005 | 16308561 |
| cross-sectional relationship between hiv, lymphatic filariasis and other parasitic infections in adults in coastal northeastern tanzania. | the relationship between hiv, lymphatic filariasis, malaria (plasmodium falciparum) and intestinal helminths (ascaris lumbricoides, trichuris trichiura and hookworm) was assessed in a cross-sectional study conducted in 2002 among 907 adults in tanga region, tanzania. overall prevalences were 7.9% for hiv, 43.5% for wuchereria bancrofti-specific circulating filarial antigen (cfa), 12.3% for p. falciparum, 1.2% for a. lumbricoides, 7.1% for t. trichiura and 75.7% for hookworm. anaemia was assessed ... | 2006 | 16324731 |
| pesticide and pathogen contamination of vegetables in ghana's urban markets. | the objective of the study was to determine and compare the current level of exposure of the ghanaian urban population to hazardous pesticide and fecal coliform contamination through the consumption of fresh vegetables produced in intensive urban and periurban smallholder agriculture with informal wastewater irrigation. a total of 180 vegetable samples (lettuce, cabbage, and spring onion) were randomly collected under normal purchase conditions from 9 major markets and 12 specialized selling poi ... | 2006 | 16328619 |
| vernal keratoconjunctivitis and intestinal parasitic infestations in black children. | the study aimed at finding out any association between vernal keratoconjunctivitis (vkc) and intestinal worm infestations in black children in nigeria. this is a report of a case-control study of a total of 117 cases of vkc and 198 controls, who were newly presenting to two hospitals in ibadan. the controls were comparable to the cases in many respects. while 67 (57%) of cases admitted to previous passage of worms, 59 (50.5%) children actually had parasitic infestations. of these 59 children, 30 ... | 2005 | 16334499 |
| soil-transmitted helminths and haemoglobin status among afghan children in world food programme assisted schools. | in recent years there have been major socio-economic changes within afghanistan such that the present public health burden of soil-transmitted helminths (sth), especially that within school-aged children, remains to be determined. a baseline parasitological survey was therefore carried out in four defined areas of afghanistan to better assess the distribution, prevalence and intensity of sth infections prior to a nationwide de-worming campaign beginning within world food programme assisted schoo ... | 2005 | 16336723 |
| historical aspects for the control of soil-transmitted helminthiases. | japan has been one of the very few countries that operated the nationwide control programme against soil-transmitted helminths (sth) infections and gained a great success. on the basis of researches and operational studies, periodical mass-examination using cellophane thick smear (kato technique) and selective mass-treatment targeted at school children were employed as the most useful control measure. in later years, japan's experience and the strategy for sth control programme were transferred ... | 2006 | 16376139 |
| serum cytokine levels in human ascariasis and toxocariasis. | cytokine-mediated regulation of chronic intestinal helminth infections is well documented. the present study reports the serum cytokine responses in 38 ascariasis (stool samples positive for ascaris lumbricoides ova) and toxocariasis (seropositive) patients, 8 ascariasis-positive and toxocariasis-seronegative patients, 22 endemic, normal, healthy subjects residing in areas hyperendemic for ascariasis and 16 normal healthy subjects residing in a low-endemic area in india. the results indicated t- ... | 2006 | 16380838 |
| [prevalence of giardiasis and intestinal parasites in pre-school children from homes being attended as part of a state programme in armenia, colombia]. | determining the prevalence of giardiasis and intestinal parasitism in pre-school children from the instituto colombiano de bienestar familiar (icbf). | 2005 | 16396421 |
| synergistic associations between hookworm and other helminth species in a rural community in brazil. | to identify possible synergistic associations of hookworm and other helminths. | 2006 | 16398756 |
| roundworm infestation presenting as acute abdomen in four cases--sonographic diagnosis. | infestation with ascaris lumbricoides (roundworm) is very common in the tropics and subtropics. patients with ascariasis can be asymptomatic or may present with different clinical features in the form of simple nausea, decreased appetite, abdominal pain or more severe bowel obstruction, perforation, intussusception, biliary colic etc. ultrasonography (usg) can be quick, safe, noninvasive and relatively inexpensive tool in diagnosing the presence of worms and also evaluating response to treatment ... | 2005 | 16401953 |
| [high prevalence of cyclospora cayetanensis among indigenous people in bolivar state, venezuela]. | the intestinal coccidioses caused by cryptosporidium parvum, isospora belli, and cyclospora cayetanensis are parasitoses of major medical importance, but many epidemiological aspects of these infections are still unknown in bolívar state, venezuela. to determine the prevalence of intestinal parasites and especially of intestinal coccidiosis, an indigenous population in san antonio de morichal was evaluated from july 2003 to april 2004. stool samples obtained by spontaneous evacuation were preser ... | 2006 | 16410862 |
| an outbreak of el tor cholera in kavre district, nepal. | outbreak of cholera still remains major public health problem in most of the developing countries including nepal. a prospective study was carried out at dhulikhel hospital, kathmandu university teaching hospital, kavrepalanchok during 1st may 2004 to 31st october 2004. a total of 148 stool samples from patients with acute diarrhea were collected and further investigated for cholera. the study was conducted to establish the causes of the outbreak of acute diarrheal disease, antimicrobial profile ... | 2005 | 16415609 |
| dioxygen affinity in heme proteins investigated by computer simulation. | we present an investigation of the molecular basis of the modulation of oxygen affinity in heme proteins using computer simulation. qm-mm calculations are applied to explore distal and proximal effects on o(2) binding to the heme, while classical molecular dynamics simulations are employed to investigate ligand migration across the polypeptide to the active site. trends in binding energies and in the kinetic constants are illustrated through a number of selected examples highlighting the virtues ... | 2006 | 16442625 |
| [antibody response to ascaris lumbricoides among the children population in the ustí region]. | a group of 156 children aged between 10 and 12 years were screened for igg and ige antibodies to ascaris lumbricoides. the study subjects were 64 children of romany origin and 92 children from the majority population. igg antibodies to ascaris lumbricoides were detected in 112 (71.8%) children. no difference in the prevalence of igg antibodies was found between romany children and those from the majority population. as many as 34.1% of the study subjects had ige antibodies to ascaris lumbricoide ... | 2005 | 16445126 |
| malaria and intestinal parasitosis among children presenting to the paediatric centre in sana'a, yemen. | we studied the profile of malaria and intestinal parasitosis among children presenting to the paediatric health centre in sana'a from january 1998 to december 2000. in stool samples from 9014 children, ascaris lumbricoides, entamoeba histolytica, giardia lamblia and trichuris trichiura were the most common. infection with parasites of direct life-cycle were similar in boys and girls. schistosome infection was significantly higher in boys than girls, but girls were more infected with ascariasis. ... | 2003 | 16450536 |
| mechanical transmission of pathogenic organisms: the role of cockroaches. | cockroaches (diploptera punctata) are basically tropical insects and will do their best to find a home that is both warm and moist. their involvement in the transmission of tropical diseases is poorly investigated in africa. | 2005 | 16457381 |
| thermal hygienization of excess anaerobic sludge: a possible self-sustained application of biogas produced in uasb reactors. | the main current trends in final disposal of sludge from wastewater treatment plants (wtp) include: safe use of nutrients and organic matter in agriculture, sludge disinfection and restricted use in landfill. as to sludge hygienization, helminth eggs have been used as a major parameter to determine the effectiveness of such process, and its inactivation can be reached by means of thermal treatment, under varying temperature and other conditions. in such context, the objective of this research wa ... | 2005 | 16459796 |
| epidemiology of intestinal nematodes in school-age children of the kumba urban area, south west cameroon. | the urban slums, poorly disposed garbage and inadequate toilet facilities in many homes, coupled with the high temperatures, rainfall and humidity that characterise the kumba urban area, favour the development and transmission of helminth parasites in the area. school-age children are particularly at risk of infection. | 2005 | 16463749 |
| targeting newly enrolled low-age school children for the control of the intestinal helminth infection in rural nepal. | this study aims to identify an effective intervention group for the control of the intestinal helminth infection among school-age children in rural nepal. we examined 1677 stool samples of school-age children from 25 schools and 1014 samples from 25 communities in rural nepal. we used formalin-ether sedimentation technique for the microscopic examination of the stool samples and identified three major intestinal helminths: ascariasis lumbricoides, hookworm and trichuris trichiura. our results re ... | 2006 | 16483421 |
| autoantibodies to the high-affinity ige receptor in children with chronic urticaria. | chronic urticaria (cu) in childhood remains a challenge for investigation, and its etiology is largely unknown. autoantibodies to the high-affinity ige receptor (fcepsilonri) are believed to play a role in the pathogenesis of this disease in adults. | 2006 | 16498857 |
| helminthiasis in hiv infection: a brief report from manipur, (india). | | 2004 | 16506554 |
| intestinal parasites in healthy subjects in albania. | the purpose of this study was to evaluate the prevalence of intestinal parasites in 277 healthy subjects in the city of mamuras (albania, south eastern europe) and the correlation between parasitic infections and possible risk factors. faecal samples collected with sodium-acetate-formalin fixative were concentrated by formalin ethylacetate sedimentation and examined as wet mounts, permanent stains and by anti-giardia/cryptosporidium fluorescent antibodies. data concerning age, sex, level of educ ... | 2006 | 16518685 |
| the distribution of the intestinal parasitic diseases in the southeast anatolian (gap=seap) region of turkey. | the physical alterations put in place by the southeastern anatolia project will undoubtedly provide a remarkable economical growth and a social development in the area. in addition, the influence that formation of dam ponds, enlargement of irrigation areas, change of product and the way of cultivation, urbanization and industrialization will have an impact on the environment. to minimize the adverse effects of this process on human beings, a community health project was completed by the teams pa ... | 2006 | 16521038 |
| [prevalence of intestinal parasites in children of yukpa ethnia in toromo, zulia state, venezuela]. | yupkpa community in perijá sierra does not have drinking water or sewage elimination systems. thus it becomes a propitious place for infection with intestinal parasites. | 2006 | 16532165 |
| intestinal ascariasis: ct findings and diagnosis. | | 2006 | 16553114 |
| case records of the massachusetts general hospital. case 9-2006. a 35-year-old woman with recurrent right-upper-quadrant pain. | | 2006 | 16554532 |
| [a national survey on current status of the important parasitic diseases in human population]. | in order to understand the current status and trends of the important parasitic diseases in human population, to evaluate the effect of control activities in the past decade and provide scientific base for further developing control strategies, a national survey was carried out in the country (taiwan, hongkong and macau not included) from june, 2001 to 2004 under the sponsorship of the ministry of health. the sample sizes of the nationwide survey and of the survey in each province (autonomous re ... | 2005 | 16562464 |
| [survey on the current status of important human parasitic infections in fujian province]. | to understand the prevalence of important human parasitic diseases in fujian province. | 2005 | 16562479 |