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human parasitoses of the malili area, south sulawesi (celebes) province, indonesia.a biomedical survey was conducted in 9 villages in the malili area of south sulawesi, indonesia. blood specimens were examined for malaria and microfilariae; stool specimens were examined for intestinal parasites. malaria parasitemias were rare; plasmodium falciparum was detected in 10 and p. vivax in 11 of 985 blood smears. malayan filariasis was endemic to all villages surveyed. the overall prevalence of detectable microfilaremias was 15%, varying from 34% in kawata to 1% in nuha. microfilaria ...1978364674
intestinal and blood parasites of man in bireuen and takengon, aceh province, sumatra, indonesia.a survey for blood and intestinal parasites was carried out in aceh province of north sumatra, indonesia. a total of 348 stool specimens were obtained from 167 males and 181 females ranging in age from 6 months to 70 years. over 98% of the population sampled were found infected with at least one intestinal parasite. ascaris lumbricoides, trichuris trichiura, hookworm and entamoeba coli, in that order, were the most common parasites detected. other intestinal parasites found less frequently were ...19761030850
studies in intestinal parasitic disease agents in stools of people in a rural area of nigeria.a summary of 300 villagers who reported at the parasitology laboratory of the school of medical laboratory technology (s.m.l.t) vom, plateau state, nigeria was carried out for the presence of parasites' cysts, eggs, or larva. of the 300 faecal samples examined using the light microscope after formal-ether centrifugation, 127 (42.3%) harboured one or more parasites. the parasites identified and their prevalent rates were: entamoeba coli (19.0%) necator americanus (17.0%); entamoeba histolytica (4 ...19921390369
gastrointestinal parasitic infection in healthy jamaican carriers of htlv-i.a subsample (1.6%; n = 13,260) of a healthy jamaican population of food-handlers, studied by murphy et al. (1991), who were serologically positive (n = 99) or negative (n = 113) for htlv-i was investigated for intestinal parasitic infection using coprological methods. helminth infection included ascaris lumbricoides (2.8%), trichuris trichiura (7.1%) and hookworms (6.1%). entamoeba coli was found in 21.8% of samples, while e. hartmanni, giardia lamblia, endolimax nana, iodamoeba bütschlii and ch ...19911758014
[blastocystis hominis in canavese: a retrospective study of samples received for fecal parasitological examination at the ivrea- castellamonte hospital over 42 months].in the last ten years the interest in the controversial blastocystis hominis microorganism of the intestine has greatly increased. the authors conducted a retrospective study of feces for parasitology investigations at the ivrea-castellamonte hospital. these investigations lasted 42 months (1/1/1988-31/6/1991) and the authors focused their attention on samples with 5 or more blastocystis hominis at the microscopically examination with a 40x phase objective. during the study 2,138 samples of fece ...19911844921
use of a monoclonal antibody in an enzyme immunoassay for the detection of entamoeba histolytica in fecal specimens.an indirect enzyme-linked immunosorbent assay (elisa) was developed for the detection of entamoeba histolytica in human feces, using both a monoclonal antibody and rabbit antisera. it detected from less than 1 to 57 trophozoites of 6 e. histolytica strains. stool specimens were positive by elisa in 18 of 22 (82%) patients with e. histolytica and in 3 of 186 (2%) of patients without demonstrable e. histolytica in their stools. the latter included one from a child living near an asymptomatic cyst ...19852860814
prevalence of enteric parasites in homosexual patients attending an outpatient clinic.a total of 372 pooled stool specimens from 274 homosexual men with diarrhea were submitted for parasitologic examination over a 2.5-year period. each two-vial pooled specimen set contained portions of stool from 3 consecutive days in formalin and polyvinyl alcohol. of the 274 patients, 133 (48.5%) harbored one or more intestinal protozoa, with 161 (43.3%) of the 372 specimens submitted being positive for one or more organisms. the parasites identified included entamoeba histolytica (71 patients) ...19862877006
intestinal parasites of man in oriental mindoro, philippines, with emphasis on schistosomiasis.an intestinal parasite survey was conducted in the town of victoria, oriental mindoro, philippines in 1978 in order to estimate the current schistosomiasis situation in this area of the philippines and schistosoma japonicum eggs were detected in 20% of 1058 fecal specimens examined. the prevalence was more than twice as high as had been previously estimated. infection rates were higher in males than in females, 26 versus 15% and age-wise were infrequent in young children (8%) and moderately comm ...19817256349
intestinal parasites of man in bukidnon, philippines, with emphasis on schistosomiasis.a total of 831 fecal specimens from malay-balay, mindanao, philippines were examined for schistosomiasis and common intestinal parasites. schistosoma japonicum eggs were found in 16% of the samples. infections were more common in males (20%) than in females (12%). age-wise, infections were infrequently diagnosed in children less than 10 years and infections in older age groups varied from 12-27%. hookworm, chiefly necator americanus, was the most common parasite found (44%) followed by ascaris l ...19817256354
evaluation of streck tissue fixative, a nonformalin fixative for preservation of stool samples and subsequent parasitologic examination.we undertook a study to evaluate streck tissue fixative (stf) as a substitute for formalin and polyvinyl alcohol (pva) in fecal preservation. a comparison of formalin, pva, (mercuric chloride based), and stf was done by aliquoting fecal samples into each fixative. stool specimens were collected in haiti, and parasites included cyclospora cayetanensis, giardia intestinalis, entamoeba coli, iodamoeba butschlii, endolimax nana, ascaris lumbricoides, trichuris trichiura, strongyloides stercoralis, a ...199910565940
evaluation of intestinal protozoan morphology in human fecal specimens preserved in ecofix: comparison of wheatley's trichrome stain and ecostain.as a result of disposal problems related to the use of mercury compounds, many laboratories have switched from mercuric chloride-based schaudinn's and polyvinyl alcohol (pva) stool preservatives to other, non-mercury-based preservatives. a comparison of organism recoveries and morphologies of the intestinal protozoa was undertaken with pva containing the ecofix zinc-based schaudinn's preservative (meridian diagnostics, inc.); both wheatley's modification of gomori's trichrome stain (wt) and ecos ...19989650947
a small-scale survey of intestinal parasite infections among children and adolescents in legaspi city, the philippines.to determine the status of infection caused by intestinal parasites among children and adolescents living in legaspi city, the philippines, we performed a small survey by fecal examination for helminth ova and protozoan cysts with formalin-ether concentration method. of the 64 examinees, the infection rate was 78.1%. the infection rates of primary school children, preschool children and adolescents were 95.5%, 64.7% and 87.5%, respectively. the infection rate in urban areas was 56%, and 92.3% in ...200011002656
protozoan enteric infection in aids related diarrhea in thailand.the aim of this study was to determine the prevalence of enteric protozoa and other pathogens in aids patients with diarrhea in bangkok, thailand. of 288 consecutive patients screened in the 10 month period between november 1999-august 2000 inclusive, 55 (19.2%) had cryptosporidium spp, 13 (4.5%) had isospora oocyst, 11 (3.8%) had giardia lamblia, 3 (0.9%) had entamoeba histolytica, and 1 (0.3%) had iodamoeba butschlii infection. the prevalence of microsporidia was 11% in this study. of 251 pati ...200112041580
a cross-sectional study of intestinal parasitic infections among schoolchildren in nan province, northern thailand.a cross-sectional study of the prevalence of intestinal parasitic infections at eight schools in bo klau district and four schools in chalerm prakiet district, nan province, in january and february, 2001. a total of 1,010 fecal samples were examined using the formalin-ether sedimentation technique. results revealed that the rate of helminthic infection was 60.0%, while protozoa accounted for 36.2% of infections; mixed infections were common, resulting in a total prevalence of both parasites of 6 ...200212236415
ultrastructure of the nucleus of the iodamoeba bütschlii cyst.the ultrastructure of the iodamoeba bütschlii cyst from human feces was studied. the glycogen mass appears as a compact dense body in the cytoplasm without any surrounding membrane. the cytoplasm has no mitochondrion. the nucleus shows a distinct nucleolus filled with electron-dense particles. on one side of the nucleolus are electron-dense cytoplasmic masses measuring 200-400 nm. the nuclear membrane is two-layered and shows pores.19989610642
[epidemiology of children's intestinal parasitism in the guadalquivir valley, spain].intestinal parasitism represents a public health problem that should be periodically assessed in each region. in the present paper, a study about prevalence of intestinal parasites, has been carried out in children from the natural region of the guadalquivir valley.19979477709
intestinal parasitism in san cayetano, corrientes, argentina.an epidemiologic study was conducted in san cayetano, a village in the province of corrientes, argentina, to determine the prevalence of intestinal parasitoses in children. eighty-eight households were randomly selected. stool samples were collected from 207 children (72% of the school-age population and 12% of the total village population) over a period of six consecutive days, and were subjected to microscopic examination. of the samples examined, 170 (83%) contained one or more parasites, of ...19968897723
[comparison of intestinal parasite infestation indexes among hiv positive and negative populations].this study was carried out on two groups of patients treated at the josé de san martín clinical hospital. one group was composed of 82 hiv-seropositive patients with no signs of diarrhea, and another one of 300 patients, not suspected of hiv infection, was considered as "control population". stool samples were collected from each patient and examined for intestinal parasites. these determinations were carried out at the department of clinical biochemistry, in the same hospital. three specimens w ...19947715428
prevalence of endoparasitic infection in children and its relation with cholera prevention efforts in mexico.to investigate whether increased knowledge and use of public health measures promoted for cholera prevention is reflected in lower prevalence of parasitic infection in households in a community in the state of tamaulipas, mexico, that is close to the border with the united states of america.200312952605
granuloma of brain probably due to endolimax williamsi (iodamoeba butschlii). 196013752647
nuclear division in the trophic stages of iodamoeba butschlii (prowazek, 1912) dobell, 1919. 195914430066
[prevalence of intestinal parasitosis in schoolchildren].aiming to identify the prevalence and the social risk factors of the intestinal parasitosis in first grade school children of campinas, state of são paulo, brazil.199714685375
prevalence of intestinal parasitic infection in five farms in holambra, são paulo, brazil.a parasitological survey was carried out on 222 inhabitants of five farms in holambra, located 30 km north of campinas, são paulo, brazil, on october 1992. approximately 70% of the inhabitants were found to be infected with at least one species of intestinal parasite. the positive rates of 6 helminths and 7 protozoan species detected are as follows: 5.4% ascaris lumbricoides; 8.6% trichuris trichiura; 19.8% necator americanus; 10.4% strongyloides stercoralis; 1.4% enterobius vermicularis; 0.9% h ...19957569635
point prevalence of cryptosporidium, cyclospora, and isospora infections in patients being evaluated for diarrhea.from march to september 2001, 315 specimens from "nonrepeat" patients that were submitted for ova and parasite examination were stained using the kinyoun modified acid-fast stain to detect the intestinal coccidians. four patients (1.3%) were infected with coccidians, 2 with cryptosporidium parvum and 2 with cyclospora cayetanensis. no infections with isospora belli were detected. in comparison, 15 patients (4.8%) had infections with one or more intestinal parasites detected by routine trichrome ...200415272527
[a copro-parasitological study on the wrestlers of the national team].this copro-parasitological research was made on the 18 wrestlers of the national team in the talas training camp in kayseri, the majority of them came to our laboratory with gastro-intestinal complaint such as nausea colicky pains anorexia and dyspepsia and other complaints such as exhaustion and fatigue and 16 of them were found infested with one or more than one parasites. as a result of our coprologic examination finding parasites and their infection rate were: entamoeba histolytica (50%), en ...19846087094
intestinal parasites in the camiri, gutierrez and boyuibe areas, santa cruz department, bolivia.a parasitological study was carried out on 381 apparently healthy subjects from camiri, boyuibe, gutierrez. intestinal parasites and non-pathogenic protozoa were present in 78.7% of the population sampled; multiple infections were observed in 67.7% of the parasitized individuals. the protozoon most commonly found was entamoeba coli (in 40.7% of specimens), followed by giardia intestinalis (30.7%), iodamoeba bütschlii (10%), chilomastix mesnili (8.7%). other protozoon parasites also present were ...19883271990
disparities in parasitic infections, perceived ill health and access to health care among poorer and less poor schoolchildren of rural côte d'ivoire.differences in the state of health between rural and urban populations living in africa have been described, yet only few studies analysed inequities within poor rural communities. we investigated disparities in parasitic infections, perceived ill health and access to formal health services among more than 4000 schoolchildren from 57 primary schools in a rural area of western côte d'ivoire, as measured by their socioeconomic status. in a first step, we carried out a cross-sectional parasitologic ...200515655013
coincidence of deficient delayed hypersensitivity and intestinal protozoa in homosexual men.stool samples of 134 subjectively and apparently healthy male homosexual volunteers were studied, and in 86 men (64.2%) 190 parasite infestations, up to 6 per host, were identified. the most frequent species were endolimax nana (40), entamoeba coli (38), entamoeba histolytica (34), entamoeba hartmanni (32), and iodamoeba bütschlii (22); cryptosporidium was not found. all 11 isolates of entamoeba histolytica analysed belonged to a noninvasive zymodeme: 10 were of zymodeme i and i of zymodeme iii. ...19892555912
intestinal parasites in a rural community in kenya: cross-sectional surveys with emphasis on prevalence, incidence, duration of infection, and polyparasitism.a cross-sectional survey of intestinal parasitic infection in a rural community, nderu, in kiambu district, kenya, was carried out in 1985 by examining 1129 individuals from 203 households (about 25% of the total population). this was followed by 3 more cross-sectional surveys, in january, may and october 1986, of 56 families comprising 461 individuals, who had also participated in the first survey. in the first survey, 81.4% of the sample was positive for at least one intestinal parasite and 78 ...19912040230
parasitology survey in northern sumatra, indonesia.a parasitology survey was conducted in five villages in north sumatra, indonesia. a total of 3,207 blood smears, 2,066 stool specimens and 969 sera were examined. sixty (1.9%) inhabitants had malaria (plasmodium vivax 41, p. falciparum 19), and 20 had brugia malayi microfilaraemia. the most common intestinal helminths were trichuris trichiura (87%), ascaris lumbricoides (75%) and hookworm (58%). other helminths found in low numbers were enterobius vermicularis, strongyloides stercoralis, taenia ...1976950682
parasitic infections in humans in west kalimantan (borneo), indonesia.a survey was carried out among inhabitants of eight villages in west kalimantan province (borneo), whereby blood smears were examined for malaria, stools examined for intestinal parasites and sera tested by the indirect hemagglutination test for antibodies to entamoeba histolytica and toxoplasma gondii. the prevalence of malaria among 3017 people examined was 5.6% (plasmodium vivax 2.8%, plasmodium falciparum 2.8%). brugia malayi microfilariae were found in 3.6% and wuchereria bancrofti in 0.3%. ...1976788263
[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, ...200516212098
the prevalence of parasites in commonly used leafy vegetables in south western, saudi arabia.to determine the degree of contamination caused by parasites in commonly used leafy vegetables in abha, kingdom of saudi arabia (ksa).200616680247
intestinal and blood parasites in the banggai kabupaten, central sulawesi, indonesia.a survey for blood and intestinal parasites was carried out in the banggai kabupaten central sulawesi, indonesia. a total of 336, stool specimens were obtained from 182 males and 154 females ranging in age from 2 to 90 years. hookworm, trichuris trichiura and ascaris lumbricoides were the most common helminths encountered. schistosoma japonicum was noticeably absent in the population sampled. the following intestingl protozoa were detected: entamoeba coli, e.histolytica, iodamoeba bütschlii, gia ...1977607427
age and sex distribution of infections with entamoeba histolytica and giardia intestinalis in the lagos population.stool samples were collected from 2,099 persons and examined for parasites: 9.5 percent were infected with entamoeba histolytica, 7.9 percent were infected with giardia intestinalis and 15.5 percent were infected with iodamoeba butschlii. the infections with e. histolytica and i. butschlii occurred more frequently in females than in males and adults were also more frequently infected than children. infection with g. intestinalis, on the other hand, was more prevalent in males than in females and ...1977591169
intestinal parasites in dakahlia governorate, with different techniques in diagnosing protozoa.a total of 3180 patients attending mansoura university hospitals' clinics, were subjected to stool examination by direct wet smear, formol-ether concentration, original formol-tween concentration, modified formol-tween concentration, modified sheather's sugar floatation, potassium hydroxide concentration and gomori's trichrome stain, and modified kinyoun's acid-fast stain, and ryan's trichrome blue stain for microsporidia. the intestinal helminthes in a descending order of abundance were: s. man ...200617153711
parasitology survey and seroepidemiology of amoebiasis in south kalimantan (borneo), indonesia.a parasitology surevy was conducted among inhabitants of 7 villages in 3 regencies in south kalimantan province, indonesia. a total of 2,169 stool specimens, 2,756 blood smears and 1,027 serum specimens were obtained, representing samples from approximately 10%, 12% and 5% of the population, respectively. one to 8 different intestinal parasitic infections were detected in 97% of the people. those parasites most frequently found were trichuris trichiura (83%), ascaris lumbricoides (79%), and hook ...1975167454
[intestinal parasitic infections in serbia].to determine the public health significance of intestinal parasitism in serbia today, systematic parasitologic examination of 16 regions (kragujevac, luchani, zhagubica, bor, sjenica, novi pazar, valjevo, aleksandrovac, pirot, bosilegrad, ivanjica, golubac, uzhice, kladovo, negotin, beograd) in central serbia were carried out over the period 1984-1993. the study involved a total of 5981 schoolchildren (2887 f, 3094 m), 7-11 years old representing 10% of the total age-matched population (n = 58,2 ...19989525075
[the cell biology of amebas and ameba-flagellates--parasites of man and animals].the majority of parasitic amoebae and amoeba-flagellates are facultative parasites of animals and humans and only a few of them are obligate parasites (see reviews: sopina, 1997; visvesvara, stehr-green, 1990). among the latter entamoeba histolytica and among the former naegleria fowleri and several species of acanthamoeba are most dangerous for humans. it is still unclear whether balamuthia mandrillaris, pathogenic for monkeys and humans, may be either obligate or facultative parasite (visvesva ...19979324833
production and characterization of monoclonal antibodies against a highly immunogenic fraction of entamoeba histolytica (nih:200) and their application in the detection of current amoebic infection.six monoclonal antibodies (mabs) were produced against a highly immunogenic fraction derived by the chromatographic separation of the soluble preparation of axenic entamoeba histolytica (strain nih:200) trophozoites. isotype characterization of the six mabs revealed that four belonged to the igm class and one each to the igg1 and the igg2a subclasses. the immunoreactivity patterns and the specificity of the mabs with homologous and heterologous antigens were analyzed by the enzyme-linked immunot ...19938292992
prevalence of enteric protozoa in human immunodeficiency virus (hiv)-positive and hiv-negative men who have sex with men from sydney, australia.a prospective, comparative study of the prevalence of enteric protozoa was determined among human immunodeficiency virus (hiv)- positive and hiv-negative men who have sex with men (msm) in sydney, australia. a total of 1,868 patients submitted stool specimens; 1,246 were from msm (628 hiv positive and 618 hiv positive) and 622 from non-msm were examined over a 36-month period. a total of 651 (52.2%) stool specimens from msm were positive for protozoa compared with 85 (13%) from non-msm. there wa ...200717360882
[evaluation of parasitological laboratory results of a group of people older than 15 years of age in kutahya].this research has been based on microscopic examination of samples of stool specimens taken from 675 persons older than 15 years of age. the examinations were conducted in the parasitological laboratory of the dumlupinar university hospital. laboratory examinations of stools were done with native and formalin-ethyl acetate sedimentation methods. different intestinal parasites were found in 52 (7.7%) of the stool specimens. at least one parasite species was found in 3.11% of women and 4.59% of me ...200717471410
prevalence of intestinal protozoa in an aborigine community in pahang, malaysia.the objective was to estimate the prevalence of intestinal protozoa among the aborigines and to determine the problems regarding the infection. the study was carried out in january 2006 in pos senderut, pahang, malaysia. samples of faeces were collected from children and adults and these were fixed in pva and trichrome staining was carried out. from the 130 individuals studied, 94 (72.3%) were positive with at least one intestinal protozoa. nine intestinal protozoa namely blastocystis hominis, g ...200717568378
human intestinal parasites in karakuak, west flores, indonesia and the effect of treatment with mebendazole and pyrantel pamoate.a survey for intestinal parasites and mass-treatment with a combination of mebendazole and pyrantel pamoate were conducted in karakuak, west flores in 1977. a total of 198 stool specimens from 104 males and 94 females ranging in age from less than 1 to 70 years were examined and 72% harbored one or more intestinal parasites. ascaris lumbricoides (43%) and entamoeba histolytica (21%) were the most common, followed by entamoeba coli (19%), hookworm (18%), iodamoeba bütschlii (8%), giardia lamblia ...19807444573
human parasitoses in bali, indonesia.a survey of intestinal and blood parasites of man was conducted on the island of bali, indonesia in 1974. a total of 270 stool specimens from three villages were examined. both ascaris lumbricoides and trichuris trichiura were found in more than 90% of those examined, and hookworm eggs in 59%. other intestinal helminth and protozoan parasites found were: enterobius vermicularis, entamoeba histolytica, entamoeba coli, endolimax nana, and iodamoeba bütschlii. taeniid proglottids, hymenolepis dimin ...19807444572
parasitological survey in gorontalo north sulawesi, indonesia.a survey for blood and intestinal parasites was carried out in the municipality of gorontalo on the minahasa peninsula of north sulawesi. a total of 156 stool specimens were obtained from 83 males and 73 females. trichuris trichiura, ascaris lumbricoides, hookworm, unidentified dicrocoeliid-like ova and entamoeba coli, in that order, were the most common intestinal parasites detected. other intestinal parasites found less frequently were entamoeba histolytica, iodamoeba bütschlii, endolimax nan ...19761030844
[the distribution of patients with intestinal parasites presenting at the parasitology laboratory of the mustafa kemal university medical faculty].in this study, fecal specimens of 3,679 patients presenting at the parasitology laboratory of the medical faculty of the mustafa kemal university between september and may 2005 were examined for intestinal parasites. a total 3,679 stool specimens from 1,260 (34.3%) males and 2,419 (65.7%) females for intestinal parasites using the native-lugol method were examined. intestinal parasites were found in 265 (34.23%) male and 509 (65.76%) females. one or more intestinal parasites were detected in 774 ...200617309033
intestinal parasitism in magama gumau rural village and jos township in north central nigeria.to determine the prevalence of intestinal parasitosis in one rural village and one urban centre in north central nigeria.200718163136
[prevalence of intestinal parasites among workers in food sector in van region].stool and cellophane tape specimens were taken for parasitological examination from 739 people who work in food sector and applied to the public health lab of the van health administration for porter examination. parasites were determined at 131 people (17.71%) of 739 worker whom samples were investigated. ninety-five people had one, 30 people had two, 5 people had three and one person had four parasite species. parasites determined in the study were 19.08% helminthes and 80.91% protozoon. in th ...200718224624
[investigation of cryptosporidium sp. in workers of the van municipality slaughterhouse and in slaughtered animals].this study was carried out in order to investigate the prevalence of cryptosporidium sp. in slaughtered animals and workers of the van municipality slaughterhouse in van. animals slaughtered at different times and workers who had been working in different departments of the slaughter house were included in the study for three months. a total of 309 fecal specimens from animals including 167 sheep, 56 goats and 86 cattle and 87 fecal specimens from workers were examined for cryptosporidium sp. oo ...200818351543
[comparison of the results of examination of fecal samples from students at six months intervals in the alahaci village primary school in sivas].the aim of this study was to determine the distribution of intestinal parasites in primary school children in the alahaci central village in the sivas province, but owing to high prevalence of parasites in soil, new stool specimens were taken from the same subject group after 6 months. in the first stage of investigation, stool samples from a total of 189 children were taken and examined. it was found that the 110 (58.2%) out of 189 subjects were infected with parasites. the distribution of para ...200617309034
[incidence of intestinal parasites among primary school children in malatya].the aim of this study was to determine the incidence of intestinal parasites among primary school children in the central region of malatya and to educate the children about parasitic diseases. during the study, cellophane tape preparations and stool samples that had been prepared using direct mounting methods were examined. in addition the students were informed about intestinal parasites. parasitic infection was observed in 415 (22.5%) out of 1838 students and the highest rate of 10.6% was tha ...200617106853
frequency of enteric protozoan parasites among patients with gastrointestinal complaints in medical centers of zahedan, iran.we investigated the prevalence of intestinal protozoan parasites in patients with gastrointestinal complaints in medical centers in zahedan, iran. a total of 1562 stool samples was examined from july 2004 to january 2006 using microscopy (direct smear, formalin-ether concentration), xenic culture and pcr techniques. four hundred and twenty-seven (27.3%) of the patients were infected with one or more intestinal parasites. giardia lamblia (10.1%), entamoeba coli (10%), e. hartmanni (1.7%), blastoc ...200919084249
enteroparasites and commensals among children in four peripheral districts of uberlândia, state of minas gerais.the aim of this study was to determine the occurrence of intestinal parasites and commensals among children in four peripheral districts located in the northern, southern, eastern and western sectors of uberlândia, minas gerais, using the baermann methods as modified by moraes and lutz. out of 160 individuals studied, 93 (58.1% ci: 50.4-65.7) were infected, distributed among the sectors as follows: northern (72.5%), southern (47.5%), eastern (57.5%) and western (55%). the positive findings accor ...200819142436
giardiasis in kindergartens: prevalence study in berlin, germany, 2006.in germany, an increase of notified giardiasis was observed between 2002 (n = 3,101) and 2007 (n = 3,651) with 62% of cases acquired in germany. the highest incidence was reported in 1- to 5-year-olds (2001-2007, 11.5/100,000 on average) and berlin is one of the most affected states (17.5/100,000). we performed a cross-sectional study in five berlin kindergartens differing in socioeconomic status and migrant proportion in order to estimate the prevalence and investigate routes of transmission am ...200919404678
intestinal parasitic infections among inhabitants of karaj city, tehran province, iran in 2006-2008.karaj is an area with large influx of refugee people in iran. to increase knowledge about parasitic infections, we carried out this research during 2006-2008. we recorded the stool examination results and some of their personal characteristics. a total of 13,915 human stools were examined, and 649 (4.7%) were positive for intestinal parasites. among them, 13 (0.09%) had worm and 636 (4.6%) had protozoan infections. maximum infections belonged to giardia intestinalis, and 534 (3.8%) samples had t ...200919724700
[distribution of entero-parasitic infections in the peruvian highland: study carried out in six rural communities of the department of puno, peru].a prevalence study was carried out in six rural communities in the peruvian highlands with the purpose of achieving a better understanding of the distribution of entero-parasites. the communities were located along the banks of lake titicaca, in the provinces of puno and el collao, department of puno, peru, at 3,800 m.a.s.l. to that effect, a total of 91 feces samples of adults and children from the following communities were analyzed: conchaca, puñutani, capalla, culta, maraesqueña, and jaillih ...200212525846
[epidemiological studies on protozoan infection in gyeong-gi do and jeonra bug do]the present study was designed to elucidate the recent prevalence of the intestinal protozoa and to demonstrate the relationship on prevalence of the surveyed population with their academic career and living conditions. during the period from may to july 1981, total 2,735 fecal specimens were collected from the inhabitants of 11 areas in gyeong-gi do (province) near by seoul city, and 6 areas in jeonra bug do, southwestern part of korea. the samples were fixed with saf solution and were examined ...198412891041
review of zoonotic parasites in medical and veterinary fields in the republic of korea.zoonotic parasites are animal parasites that can infect humans. the major zoonotic protozoa in the republic of korea are babesia bovis, chilomastix mesnili, cryptosporidium parvum, endolimax nana, entamoeba coli, entamoeba hitolytica, giardia lamblia, iodamoeba bütschlii, pneumocystis carinii, sarcocystis cruzi, and toxoplasma gondii. the major zoonotic helminths in korea include trematodes, cestodes, and nematodes. trematodes are clonorchis sinensis, echinostoma hortense, echinostoma spp., fasc ...200919885329
[a survey on the prevalence of intestinal protozoan cysts in jeonlanam do, korea]a survey on the prevalence of intestinal protozoan cysts was conductcd in jeonlanam do (province), korea in 1981. a total of 4,116 specimens was collected from 2,035 male and 2,086 female inhabitants in 4 urban and 7 rural areas. each case was selected randomly to represent 1,000 inhabitants referred to the census in 1980. formalin-ether sedimentation technique was employed to concentrate the cysts and one lugol's iodine stained smear was examined for each case. the results were summarized as fo ...198212902699
[prevalence of intestinal parasites in korea]a survey of intestinal parasites infection among korean people has been carried out during july 1969 to december 1970. a total of 2,250 stool specimens (male 1,101, female 1,146) was collected from all the provinces and seoul city in korea. the specimens were examined routinely by direct fecal smear, zinc sulfate flotation and formalin-ether sedimentation techniques. the results are summarized as follows: 1. of 2,250 specimens examined, l,803(80.l %) were positive for intestinal parasites. 2. th ...197112913622
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 ...200415591838
intestinal parasites of man in northern bohol, philippines, with emphasis on schistosomiasis.a survey for intestinal parasites with emphasis on oriental schistosomiasis was conducted in the townships of trinidad and talibon, bohol province, philippines and approximately 1,700 stool samples were examined. schistosoma japonicum is still endemic to these areas of northern bohol but infection rates were much lower than expected, 5% rather than 30%. soil-transmitted helminths were the most common parasitic infections. hookworms were found in 71% of the samples tested, most infections were du ...19807221688
geographical location and age affects the incidence of parasitic infestations in school children.environmental factors affect the dissemination and distribution of intestinal parasites in human communities. to comprehend the prevalence of parasitic infestation and to examine whether geographical location and age also influence the prevalence of infection, fecal samples from 195 school children (rural = 95; male = 39; female = 56) (urban = 100; male = 60; female = 40) of five age groups ranging from 5 to 11 years in two different socio-economic zones (rural and urban) were screened for speci ...201020699511
comparison of polyvinyl alcohol fixative with three less hazardous fixatives for detection and identification of intestinal parasites.polyvinyl alcohol (pva) containing the fixative mercuric chloride is considered the "gold standard" for the fixation of ova and parasites in the preparation of permanently stained smears of stool specimens. however, mercuric chloride is potentially hazardous to laboratory personnel and presents disposal problems. we compared three new alternative, nontoxic fixatives with pva, analyzing ease of sample preparation and quality of smears. sixty-eight fresh stool specimens were divided into aliquots ...200010747149
prevalence of enteric parasites in pet macaques in sulawesi, indonesia.on the indonesian island of sulawesi, nonhuman primate pets come into frequent contact with humans, presenting the possibility of zoonotic and anthropozoonotic disease transmission. we collected fecal samples from 88 pet macaques representing six of the seven macaque species currently recognized as endemic to sulawesi (macaca nigra, m. nigrescens, m. hecki, m. tonkeana, m. maura, and m. ochreata) as well as two non-endemic species (m. fascicularis and m. nemestrina) in order to determine the pre ...200414983465
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 ...200515955332
[frequency of intestinal parasites among administrators and workers in sanitary and non-sanitary institutions.]objective: transmission of parasites generally occurs through fecal-oral means directly from human to human or through receiving eggs and cysts by means of nourishment. the aim of the study was to investigate the frequency of intestinal parasites among administrators and workers in sanitary and non-sanitary institutions. methods: stool specimens were examined using native-lugol, trichrome and acid-fast stains methods. results: 23.7% of the 2443 fecal specimens were found to be positive. the freq ...201121618189
prevalence of parasitism among students of the karen hill-tribe in mae chame district, chiang mai province, thailand.infection caused by intestinal parasites is still a common health problem in a poor-hygiene population especially for children in developing countries. a cross-sectional study was conducted among 781 karen students (age: 3 to 19, males: 325, females: 456) to determine the current status of intestinal parasitic infections in a mountainous area in the north of thailand. the study was drawn from three schools in the doi inthanon region, in mae chame district of chiang mai province, from december 20 ...200416083202
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 ...200516138204
iodamoeba butschlii in a routine cervical smear. 201019863614
[evaluation of parasitology laboratory results of a group of people older than 15 years of age in kutahya].this research has been based on microscopic examination of stool specimens taken from 675 persons older than 15 years of age. the examinations were conducted in parasitology laboratory of the dumlupinar university hospital. laboratory examinations of stools were done with native and formalin-ethyl acetate sedimentation methods. different intestinal parasites were found in 52 (7.7%) of the stool specimens. at least one parasite species was found in 3.11% of women and 4.59% of men. the prevalence ...200717594654
intestinal protozoa in wild boars (sus scrofa) in western iran.a total of 12 gastrointestinal tracts of wild boars (sus scrofa) from western iran (luristan) were examined for protozoan infection between september 2000 and november 2001. of 12 boars examined, 67% harbored one or more species of the following protozoa: balantidium coli (25%), tritrichomonas suis (25%), blastocystis sp. (25%), entamoeba polecki (17%), entamoeba suis (8%), iodamoeba butschlii (17%), and chilomastix mesnili (8%). four of these protozoan species also are reported in humans, and p ...200415650104
[distribution of intestinal parasites among patients who presented at the department of parasitology of the erciyes university medical school.]in this study carried out from 2000-2004, a total of 34,883 stool samples were examined using native-lugol and flotation/sedimentation methods and 9,879 cellophane tape preparations were examined directly. intestinal parasites were found in 9,704 (27.8%) of the specimens. the parasites that were found and their prevalence is as follows: blastocystis hominis, 6,723 (19.3%); entamoeba coli, 1,007 (2.9%); giardia intestinalis, 892 (2.6%); entamoeba histolytica/e. dispar, 798 (2.3%); endolimax nana, ...200517124684
[the distribution of intestinal parasites in patients presenting at the parasitology laboratory of the cumhuriyet university.]this study is concerned with the distribution of intestinal parasites detected in patients who presented at the routine parasitology laboratory of the cumhuriyet university faculty of medicine from may 2002-november 2004. a total of 5057 stool specimens from 2305 (45.6%) males and 2752 (54.4%) females were examined for intestinal parasites using direct examination and flotation methods. intestinal parasites were found in 231 (4.5%) females and 301(5.9%) males. a total of 1313 cellophane tape spe ...200517160838
[incidence of intestinal parasites in municipal sanitary workers in malatya].the incidence of intestinal parasites is closely related to such factors as the socio-economic level of the society, nutritional and hygienic habits, climate, environmental conditions, infrastructure and degree of literacy. in this study, the municipal sanitary workers who are regarded as a high risk group in malatya were examined for intestinal parasites. cellophane slides and fecal samples from 241 workers were examined and intestinal parasites were found in 93 (39.0%). the most common parasit ...200617160847
intestinal parasitism--protozoa and helminths--in primates at the barcelona zoo.the faunistic results regarding intestinal parasitism by protozoa and helminths in 21 primate species (three cebidae, thirteen cercopithecidae, one hylobatidae, one lemuridae, three pongidae) are reported. the primate species were housed in four separate galleries. six faecal samples of each host species were subjected to coprological analysis. fifteen parasite species were detected: 11 protozoa (entamoeba coli, e. chattoni, e. hartmanni, iodamoeba bütschlii, endolimax nana, giardia intestinalis ...19969210027
[investigation of intestinal parasites in students of mustafa cengiz primary school in van].intestinal parasites still maintain as a major public health problem in our country. in this study, we aimed to investigate the distribution of intestinal parasites in 1st and 2nd grade students of mustafa cengiz primary school, aged between 7-9 and to contribute to the parasitological data of our province. for this purpose, stool examinations of a total of 195 students, including 82 boys and 113 girls, were performed. the results of the microscopic analysis of stool samples revealed one or more ...201020954118
[intestinal parasitoses detected in primary schoolchildren in the van province].this study was carried out on school children in primary schools in the van province in order to investigate the distribution of intestinal parasitoses. the study was conducted in 7-15 year-old primary schoolchildren during the years from 2003-2005. stool specimens were taken from 2975 school children; of these, 1289 were female and 1686, male. the specimens were examined by native-lugol, flotation and trichrome staining methods in the parasitology laboratory of the health research and training ...200920101580
[intestinal parasites detected in süphan primary schoolchildren in van].this study was performed in order to determine the distribution of intestinal parasites among students of süphan primary school in van in 2005. in the study, stool specimens were taken from 395 students (166 girls and 229 boys) between 7-15 years of age. the specimens were examined by native-lugol, flotation and trichrome staining methods in the parasitology laboratory of health research and training hospital, yüzüncü yil university. one or more parasite species were detected in 28.9 % of the ch ...200920101581
[the investigation of intestinal parasites in foreign high school students].intestinal parasites are important health problem especially in undeveloped or underdeveloped countries with low socio-economic status,. in this study, stool and cellophane tape samples were analyzed for intestinal parasites in 192 foreign students who were came from 28 different countries and attending a high school with the age of 15 to 21 (age mean: 17.92 ± 1.30) in kayseri. at least one or more intestinal parasite species were found in 73 (38 %) of them. the distribution of parasites which w ...201020954119
[a retrospective evaluation of the prevalence of intestinal parasites in istanbul, turkey].the aim of this study is to estimate the prevalence of intestinal parasites, in comparison to previous studies in istanbul and different geographic regions of turkey. between january 1999-december 2009, a total of 27664 stool samples from patients with suspicious intestinal parasitic infections who were admitted to istanbul university cerrahpasa medical school hospital were examined for intestinal parasites by using native lugol and formalin-ethyl acetate concentration technique, in adition to t ...201020954117
[investigation of intestinal parasites among primary school students in kayseri-hacilar].objective: parasitic infections are an important health problem which affect children more than adults. especially in growth-age children, this leads to problems such as malnutrition, malabsorption, growth retardation and learning disabilities. in this study, 328 students who were investigated in two primary schools between the ages of 6 and14 in kayseri-hacilar region were analyzed for intestinal parasites. methods: stool samples were analyzed by light microscopy for the detection of helminths ...201121776595
intestinal parasitism in the animals of the zoological garden "peña escrita" (almuñecar, spain).gastrointestinal parasites cause serious diarrhoea in captive animals. therefore, we have undertaken this study to establish programmes to prevent, control, and treat intestinal parasitism in the animals of the zoological garden "peña escrita" of almuñecar (granada). an annual survey was conduced to estimate the occurrence of gastrointestinal parasites and the seasonality of this parasitism. between june 2006 and may 2007, 432 samples were collected from primates, carnivores, perissoodactyla, ar ...200818639383
[distribution of intestinal parasites in patients presenting at the parasitology laboratory of the medical school of erciyes university between the years of 2005 and 2008].in this study carried out from january 2005-june 2008, a total of 28,911 stool samples were examined using native-lugol and flotation/sedimentation methods and 7,164 cellophane tape preparations were examined directly. intestinal parasites were found in 6,975 (24.13%). of the patients, 52.90% were female and 47.10%, male. blastocystis hominis, 5,701 (19.72%); entamoeba coli, 910 (3.15%); giardia intestinalis, 568 (1.96%); endolimax nana, 363 (1.26%); entamoeba hartmann i, 357 (1.23%); entamoeba ...200818985586
intestinal parasitic infections in renal transplant recipients.the impact of intestinal parasitic infection in renal transplant recipients requires careful consideration in the developing world. however, there have been very few studies addressing this issue in iran. this study was conducted to determine the prevalence of intestinal parasitic infections in renal transplant recipients in iran. stool specimens from renal transplant recipients and control groups were obtained between june 2006 and january 2007. the samples screened for intestinal parasitic inf ...201020428648
demographic and ecological effects on patterns of parasitism in eastern chimpanzees (pan troglodytes schweinfurthii) in gombe national park, tanzania.from january 2006 to january 2008, we collected 1,045 fecal samples from 90 individually-recognized, free-ranging, eastern chimpanzees (pan troglodytes schweinfurthii) inhabiting gombe national park, tanzania to determine how patterns of parasitism are affected by demographic and ecological covariates. seventeen parasite species were recovered, including eight nematodes (oesophagostomum sp., necator sp., probstmayria gombensis, strongyloides fulleborni, ascaris sp., trichuris sp., abbreviata cau ...201020623606
gastrointestinal protozoa in non-human primates of four zoological gardens in belgium.gastrointestinal parasites are important infectious causes of diarrhoea in captive non-human primates (nhp). however, prevalence data of gastrointestinal parasites in zoological gardens are scarce. therefore, a cross-sectional survey was conducted to estimate the occurrence of gastrointestinal parasites in nhp of four zoological gardens in belgium. between august 2004 and april 2006, 910 faecal samples were collected from 222 animals housed in 39 groups. the 31 species involved were representati ...200717656023
[screening of intestinal parasites of children in special day nurseries in the city of rize].in this study, the carriage of intestinal parasites was investigated in a total of 73 children (35 girls, 38 boys) in the 1-6 age-group in two special day nurseries in the city of rize. stool samples and cellophane tape preparations were obtained from children three times a month. parasite cysts or eggs were found in total of 15.0% of the stool samples or cellophane tape preparations from children. it has been determined that 8.5% of the girls and 21.0% of the boys were parasite porters, and tha ...200717918060
ultrastructure of iodamoeba butschlii cysts. 19724338872
[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 ...200516021200
intestinal parasitic infection among children and neonatus admitted to ibn-sina hospital, sirt, libya.a total of 350 stool samples from 196 males and 154 female children and neonatus admitted in ibn-sina hospital, sirt, were examined from june 2001 to may 2002, to determine the prevalence of intestinal parasites. intestinal parasitic infections were identified in 196 (56%) of children and neonates. no intestinal helminthic parasites were detected but 13 intestinal protozoan parasites were detected. the most prevalent protozoan was entamoeba histolytica /e. dispar (36.57%); blastocystis hominis ( ...200717985574
intestinal infections in humans in the rocky mountain region, united states.to evaluate the seasonal prevalence of human intestinal parasites in the western states of colorado, utah, new mexico, and montana, fecal samples were examined as part of routine diagnostic testing from patients experiencing gastrointestinal discomfort in august (summer) 2006, january (winter), and april (spring) 2007. parasite identification in positive samples was confirmed using light microscopy after wet mount and trichrome staining techniques. seventy-eight of the 1,083 patients surveyed (7 ...201019807196
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