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[the prevalence of intestinal parasites in four different special daytime nursing homes and day-centers in antakya.].in this study, the prevalence of intestinal parasites in 109 students (68 boys, 41 girls) in the 1-6 age group in four different special daytime nursing home and day-centers (special anakucaği day-time nursing home, special evim day-centre and day time nursing home, special doğa daytime nursing home and special yaren daytime nursing home) in the antakya district of hatay was investigated. for this reason 86 feces and 109 cellophane tape preparations were investigated. concentration of feces and ...200517160839
blastocystis hominis and travelers.b. hominis is a unicellular protozoan commonly identified in stool specimens of travelers who have returned from tropical countries. it has a world-wide distribution, and infection is more common in developing countries compared to industrialized nations. clinical features of illness which have been attributed to blastocystis include nausea, anorexia, abdominal pain, flatulence and acute or chronic diarrhea. the preferred method of diagnosis is a permanently stained smear of an unconcentrated st ...200517292002
[the prevalence and distribution of intestinal parasites detected by the uludag university medical school].in this study, patients (outpatients and in-patients) with various gastrointestinal system complaints presenting at various clinics of the uludag university medical faculty, bursa, from january 2001-december 2004 were investigated for intestinal parasites. the prevalence of intestinal parasites was evaluated according to age, gender and the months in which cases were seen. saline and iodine preparations from 8,351 stool samples before and after formal-ethyl acetate concentration were examined un ...200617309032
[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
[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
[the distribution of intestinal parasites detected in the dokuz eylul university medical faculty hospital between 2003 and 2004].a retrospective evaluation of the data from 7,712 patients with gastrointestinal complaints who presented at the parasitology laboratory of the dokuz eylul university medical faculty hospital between january 2003 and december 2004 was carried out. fecal samples of all patients were examined using native-lugol and the trichrome staining method after sedimentation by the fecal concentration tube. one or more parasites were detected in 495 (6.41%) of the patients. the distribution of the intestinal ...200617309035
frequency of giardia lamblia among children in dohuk, northern iraq.out of 1261 stool specimens collected from children in dohuk city, northern iraq, the prevalence of giardia lamblia infection was 38.5%. the highest rate of infection was in orphan care centres (48.1%) and the lowest in the paediatric hospital (31.3%). the age group 10-12 years had the highest rate (81.2%) and 7-9 years the lowest (22.9%); boys had a higher rate than girls. some infected samples (70/486) showed double or triple infections and g. lamblia was combined with hymenolepis nana, blasto ...200617333793
[investigation of intestinal parasites in residents of the kayseri karpuzsekisi basin].in this study, we collected stool and cellophane tape samples from residents in four villages located in the kayseri-karpuzsekisi basin in order to investigate the distribution of intestinal parasites. a total of 240 samples collected from hanyeri (40), sariküklü (20), dokuzpinar (80) and karpuzsekisi (120) were investigated. the parasites detected were as follows: blastocystis hominis, 82 (34.16%); enterobius vermicularis, 37 (15.41%); entamoeba coli 26, (10.83%); entamoeba hartmanni, 10 (4.16% ...200617160846
[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
detection of blastocystis hominis in unpreserved stool specimens by using polymerase chain reaction.blastocystis hominis is a common enteric parasite of worldwide distribution. its pathogenetic potential has not yet been established, although numerous case reports suggest that b. hominis may cause the development of various gastrointestinal symptoms and disorders. the detection of the parasite in stool specimens is conventionally done by microscopy of direct smears, fecal concentrates, or permanently stained smears; however, morphology-based diagnosis is problematic. the aim of this study was ...200617152954
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
[enteric parasites and aids in haiti: utility of detection and treatment of intestinal parasites in family members].intestinal parasites and human immunodeficiency virus (hiv) are major health problems in haiti. both entities are known to interact strongly with cell-mediated immunity. the purpose of this study undertaken in port-au-prince, haiti was to evaluate the risk of enteric parasite transmission between hiv-infected patients and family members. routine examination of stool specimens for parasites was conducted in 90 hiv-infected undergoing treatment for intestinal disorders due mainly to cryptosporidiu ...200617201290
prevalence of intestinal parasitic infections among school children in the central region of thailand.survey the prevalence of intestinal parasitic infections in 14 primary schools of central thailand.200617205876
[impact of blastocystis hominis infection on ultrastructure of intestinal mucosa in mice].to observe the ultrastructural change ot intestinal mucosa in mice infected with blastocystis hominis, and to study the pathogenic mechanism of b. hominis infection.200617094618
[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
[blastocystis hominis and bowel diseases].blastocystis hominis (b. hominis) is a parasite of uncertain role in human disease. it may be identified during a workup for gastrointestinal symptoms, usually in stools. the clinical consequences of b. hominis infection are mainly diarrhea and abdominal pain as well as nonspecific gastrointestinal symptoms such as nausea, anorexia, vomiting, weight loss, lassitude, dizziness, and flatulence. case reports and series have suggested a pathogenic role of b. hominis in causing intestinal inflammatio ...200617106862
[study on the biological characteristic of blastocystis hominis: morphology, mode of reproduction and the relation to bacteria].to observe the reproductive modes of blastocystis hominis and study the relation between this protozoa and bacteria.200617290755
[vitro culture of blastocystis hominis in medium dmem].to establish the vitro culture of blastocystis hominis (b. h) in medium dmem for the further research on diagnosis, life cycle and pathogenicity of this intestinal protoza.200617290756
detection of dientamoeba fragilis and blastocystis hominis using a simple staining method. 200616613140
comparison of fecal microflora in children with atopic eczema/dermatitis syndrome according to ige sensitization to food.atopic eczema/dermatitis syndrome (aeds) commonly often arises during early infancy. in several intervention studies a beneficial influence on aeds course of certain intestinal bacteria, administered as 'probiotics', has been described. to evaluate the possible role of the natural intestinal microflora in children with allergic eczema/dermatitis syndrome regarding immediate type hypersensitivity to food allergens, children with food allergy (aaeds, n = 68) have been compared with children withou ...200616618364
pcr fingerprinting of blastocystis isolated from symptomatic and asymptomatic human hosts.genomic dna from 16 blastocystis hominis isolates comprising of eight asymptomatic isolates (a1-a8) and eight symptomatic isolates (s1-s8) was amplified by arbitrarily primed polymerase chain reaction (ap-pcr) using 38 arbitrary 10-mer primers. six primers (a10, b5, c20, d1, f6, and f10) generated reproducible dna fingerprints. ap-pcr amplification revealed similar dna fingerprints among all symptomatic isolates (s1-s8) with common bands at 850 bp using primer a10, 920 bp using primer b5, and 1. ...200616628457
chronic urticaria due to blastocystis hominis.a 24-year-old woman had a 9-week history of second to third daily urticaria that began after an episode of contact urticaria to topical bufexamac. she was found to have an underlying gastrointestinal infection with blastocystis hominis. this was thought to be clinically relevant as she had a history of mild chronic diarrhoea. after treatment of the blastocystis hominis, her urticaria ceased. this could indicate the importance of performing stool microscopy and culture on all patients with chroni ...200616637808
epidemiology of blastocystis hominis and other intestinal parasites in a vietnamese female immigrant population in southern taiwan.there has been a rapid increase in cross-border female marriage immigrants in taiwan. in this study, 1,434 vietnamese female marriage immigrants arriving between july 1998 and june 2001 were examined for intestinal parasites. most (77.9%) of these women were 20-29 years of age. the prevalence of intestinal parasite infection was 37.7%, and the trend increased from 1999 to 2001 (statistically significant, p < 0.0001), but decreased among age subgroups (p < 0.0001). among the 20 species of intesti ...200616679297
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
genetic variability of blastocystis hominis isolates in china.to determine if genetic diversity of blastocystis hominis exists in china, 35 b. hominis isolates obtained from 19 asymptomatic infected individuals and 16 patients with gastrointestinal symptoms were genotyped by pcr using seven pairs of known sequenced-tagged site (sts) primers. out of the 35 isolates, 29 were identified as one of the known genotypes, while five isolates showed two distinct genotypes, and one isolate was an unknown genotype as this was negative with all the sts primers. in thi ...200616688468
blastocystis hominis--an emerging and imitating cause of acute abdomen in children.two children aged 12 and 11 years with a similar history of abdominal pain, nausea, vomiting and fever with abdominal tenderness, and muscle guarding at the right lower quadrant for few days were admitted to our hospital. they subsequently developed diarrhea but without clinical relief. just before the decision of laparotomy, both patients were diagnosed as having blastocystis hominis infection with light microscopic examination of the stools and were treated uneventfully with the appropriate an ...200616863863
blastocystis hominis infection in patient with regular dialysis. 200616868812
[blastocystosis or zierdt-garavelli disease: a clinical pathway].the author presents the clinical pathway of blastocystosis, a disease due to blastocystis hominis, an intestinal parasite that has long been enigmatic, which can occasionally be the cause of clinical manifestations.200616913176
some epidemiological aspects of intestinal parasites in women workers before going abroad.a study was conducted in jakarta on 903 women workers before going abroad through stool examination by ritchie's technical method. of the women workers studied, 640 subjects (70.87%) were found to be infected with intestinal parasites either helminthes, protozoa or combination. out of those infected, 451 (70.47%) subjects were infected with intestinal helminthes, namely ascaris lumbricoides (38.13%), trichuris trichiura (28.13%), a combination of necator americanus and ancylostoma duodenale (13. ...200617041558
infection of blastocystis hominis in primary schoolchildren from nakhon pathom province, thailand.a study was conducted to evaluate the infection status of blastocystis hominis in children from four public schools in phuttamonthon district, nakhon pathom province, thailand during november to december 2004. a total of 814 faecal specimens were used for b. hominis cultivation using jones' medium. mixed infections with other intestinal parasites were also examined by formalin ethyl acetate concentration method. it was found that 13.51% (110 of 814) of the children examined were infected with b. ...200617041560
amoeboid form of blastocystis hominis - a detailed ultrastructural insight.the amoeboid form of blastocystis hominis has been reported infrequently, and its morphological descriptions have yielded conflicting and confusing reports. in the present study, we used the amoeboid forms seen predominantly in symptomatic patients infected with blastocystis to provide detailed descriptions on the fine surface structure and intracellular morphology. scanning electron microscopy revealed the irregular shape of the amoeboid form, with an intercalated fibrillar structure and a high ...200616816959
[a case of infant infected by blastocystis hominis]. 200617366972
protease activity of blastocystis hominis.parasite-derived proteases are important for the parasite life cycle and the pathogenesis of the disease they produce. proteases of intestinal protozoan parasite blastocystis hominis were studied for the first time with azocasein assays and gelatin sds-page analysis. parasitic lysates were found to have high protease activity and nine protease bands of low (20-33 kda) and high (44-75 kda) molecular weights were reported. proteases were found to be ph-dependent and highest proteolytic activity wa ...200616518611
[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.200616532165
patients with gastrointestinal complains due to enteric parasites, with reference to entamoeba histolytica/dispar as dected by elisa e. histolytica adhesion in stool.a total of 210 patients with gastrointestinal troubles, of both sex and a mean age of 32 +/- 6.1 years, selected from the outpatient's clinics of al-azhar university hospitals. 115 (54.76%) had dysentery, 95 (45.23%) did not have dysentery, 15 (14%) suffered flatulence, 20 (9.52%) had epi-gastric pain, 19 (9.05%) had vague abdominal pain, 5 vomiting (5.2%) and 10 (4.9%) had fever. two symptoms were in 29 (13.81%) patients and three symptoms in 12 (5.71%). of the 210 patients, 20 (9.9%) had helmi ...200616605100
predominance of amoeboid forms of blastocystis hominis in isolates from symptomatic patients.blastocystis hominis is one of the most common human parasites that inhabit the intestinal tract. conflicting reports continue to exist regarding the existence and the functional role of the amoeboid forms in the life cycle of the parasite. the present study investigates the presence of these forms in 20 isolates obtained from ten symptomatic and asymptomatic patients respectively. a total of 10,000 parasite cells per ml from each isolate were inoculated into three culture tubes each containing ...200616323025
prevalence of intestinal parasites in hiv-positive/aids patients.the aim of this study was to assess the prevalence of intestinal parasites among hiv-positive/aids patients. a control group comprising 30 apparently healthy hiv-negative individuals was included. of the 60 samples collected from the patients and examined, 34 (56.7%) presented with diarrhoea, while 26 (43.3%) had no reported cases of diarrhoea at the time of study. seventeen (50%) of the parasites detected in the 34 patients (those with history of diarrhoea) were diarrhoea-related causative agen ...200622589594
prevalence and clinical features of blastocystis hominis infection among patients in sebha, libya.to determine the prevalence and seasonal variation, and to assess the clinical manifestations and treatment of blastocystosis in libyan patients.200721654943
waterborne transmission of protozoan parasites: a worldwide review of outbreaks and lessons learnt.at least 325 water-associated outbreaks of parasitic protozoan disease have been reported. north american and european outbreaks accounted for 93% of all reports and nearly two-thirds of outbreaks occurred in north america. over 30% of all outbreaks were documented from europe, with the uk accounting for 24% of outbreaks, worldwide. giardia duodenalis and cryptosporidium parvum account for the majority of outbreaks (132; 40.6% and 165; 50.8%, respectively), entamoeba histolytica and cyclospora c ...200717402277
[is blastocystis hominis an opportunist agent?].despite its high prevalence throughout the world, major issues about blastocystis hominis remain unresolved, including fundamental areas such as taxonomy and pathogenicity. sequences of the ssurrna gene place blastocystis in the stramenophiles. analysis of the elongation factor 1-alpha gene, however, indicates similarity to entamoeba histolytica. there is considerable morphological variability and karyotype diversity, and it appears that more than one species is present in humans and animals. in ...200717471409
[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
human antibody recognition of anisakidae and trichinella spp. in greenland.high levels of total ige are observed among children in greenland. to evaluate the extent to which anisakidae and trichinella spp. contribute to the high total ige level, an elisa and a western blot were developed for the detection of igg antibodies to anisakidae, based on excretory/secretory antigens from anisakidae larvae. western blots with anisakidae and trichinella antigens discriminated between anisakidae and trichinella infections, enabling cross-reactivity between the two parasite infect ...200717484764
etiologic agents of diarrhea in solid organ recipients.after transplantation, diarrhea may be caused by infectious agents, drug-specific effects, metabolic conditions, or mechanical complications of surgery. determining the cause helps to determine whether to initiate antimicrobial therapy and the duration of treatment. in this study we aimed to determine the causes of diarrhea in kidney or liver recipients. fifty-two diarrhea episodes among 43 solid organ recipients were evaluated. the cause of diarrhea was detected in 43 patients (82.6%). infectio ...200717511817
[blastocystis hominis infection and diarrhoea]. 200717524325
canine parasitic zoonoses in bangkok temples.fecal samples were collected from 204 humans and 229 dogs from 20 different temples in bangkok, as well as communities in the surrounding temple ground areas. human and dog stool samples were examined for intestinal parasites including giardia using zinc sulfate flotation and microscopy. hookworms were the most common parasite in dogs (58.1%) followed by trichuris (20.5%), isospora (10%), giardia (7.9%), toxocara (7.4%), dipylidium caninum (4.4%) and spirometra (3.1%). blastocystis hominis (5.9% ...200717539273
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
[observations on blastocystis hominis and cyclospora cayetanensis in routine parasitological examinations].we report some observations made from routine parasitological examinations on feces. the methods of faust et al. and of spontaneous sedimentation in water are not enough to identify blastocystis hominis. significant percentage presence of this protozoan was found, especially when staining with iron hematoxylin was performed. cyclospora cayetanensis was found in 0.7% of the cases, which suggests that this parasite should also routinely be investigated by appropriate techniques.200717568902
prevalence of intestinal parasites among primary schoolchildren in derna district, libya.the prevalence of intestinal parasites and some hygienic factors was evaluated in primary schoolchildren in derna district. a total of 1039 stool specimens were examined by direct smear and formaline-ether concentration methods. the results showed that 31% of the children were infected with at least one or two parasites. these parasites were giardia lamblia (12.7%), blastocystis hominis (6.7%), entamoeba histolytica/ entamoeba dispar (6.6%), entamoeba coli (3.2%), e. hartmanni (1.0%), enterobius ...200717580578
[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
[distribution of intestinal parasites detected in the parasitology laboratory of the ege university medical school hospital, in 2005].the aim of this study was to determine the parasite frequency in 3925 patients during 2005 from january 1- december 31 in the parasitology laboratory of the ege university medicine school. during the laboratory investigation, 3925 fecal specimens and cellophane tapes from the patients were examined. after the microscope examination of 3925 feces samples, it was found that 590 (15.03%) of these samples contained one or more intestinal parasites. blastocystis hominis (4.96%), cyclospora spp. (1.91 ...200717594655
[investigation of intestinal parasites in food workers in hospitals in aydin, turkey].food workers are an important risk group for intestinal parasite contamination and dissemination. in the present study food workers, working in food preparation and distribution in the adnan menderes university hospital, aydin state hospital and 82. yil state hospital, were screened for the presence of intestinal parasites. out of 58 food workers 22 were females and 36 were males, and the age of workers ranged from 20 to 56. all workers included in the study answered a questionnaire concerned wi ...200717594656
the use of the antifungal agent miconazole as an inhibitor of blastocystis hominis growth in entamoeba histolytica/e. dispar cultures.in regions with high prevalence, blastocystis hominis is frequently found in association with entamoeba histolytica/e. dispar in xenic cultures. its exacerbated growth is often superimposed on the growth of amebas, thus impeding the continuation of the amebas in the culture, within a few generations. the present study reports on the excellent efficacy (100%) of the antifungal agent miconazole in eliminating b. hominis from cultures of e. histolytica/e. dispar, thereby maintaining the integrity o ...200717625701
[children enteroparasitosis in north east argentine urban area].the aim of the present investigation was to evaluate the importance of enteroparasitosis in a young urban population. the relationship between enteroparasitosis in this population and biological and environmental conditions was established for 113 infants between 0 and 14 years. serial stool samples were analyzed and graham tests were performed in each infant. the degree of nutrition of each infant was also assessed. environmental data were collected via semi-structured surveys. soil samples wer ...200717628910
[a preliminary study on preservation methods of blastocystis hominis].to observe the effect of different cryoprotective agents and temperature factors on the viability of blastocystis hominis so as to explore the ideal method for preservation of b. hominis.200717639703
detection of cryptosporidium spp and other intestinal parasites in children with acute diarrhea and severe dehydration in rio de janeiro.the objective of the present study was to estimate the frequency of infection by cryptosporidium spp and other intestinal parasites in dehydrated children with gastroenteritis who were admitted to a pediatric hospital. stool examinations from 218 children were performed. cryptosporidium spp was identified in eighteen out of 193 stool samples (9.3%) subjected to safranin-methylene blue staining. giardia lamblia was detected in ten out of 213 (4.7%) samples examined via the direct or ritchie metho ...200717653475
evidence of plasmotomy in blastocystis hominis.blastocystis hominis has been regarded as an enigmatic parasite as many aspects of its basic biology remain uncertain. many reproductive processes have been suggested for the organism; however, to date, only the binary fission has been proven. plasmotomy is one of the modes of reproduction previously suggested to be seen in in vitro cultures. the present study provides trichrome and acridine orange staining evidence for the existence of nucleic acid suggestive of division of nucleus into multinu ...200717701428
[chronic angioedema and blastocystis hominis infection].the presence of urticaria associated with blastocystic hominis infection has been described in very few studies. to the best of our knowledge, no cases of chronic angioedema associated with blastocystic hominis have been published. the clinical and immunological data of a patient with said association is presented. in the last 5 years, a 21 year old woman suffered episodic spells of angioedema which affected her lips, face and upper limbs accompanied by recurring urticaria. the patient continual ...200717712397
prevalence of blastocystis hominis and strongyloides stercoralis infection in okinawa, japan.this study was conducted to clarify the prevalence of blastocystis hominis and strongyloides stercoralis infection in ryukyu university hospital, okinawa, japan, between january 2004 and november 2006. stool samples collected from 3,292 patients were examined by the direct smear method, formalin-ether sedimentation method, and agar plate culture method. the prevalence rate of b. hominis and s. stercoralis infection was 1.0 and 3.4%, respectively. the prevalence rate of b. hominis infection in pa ...200717717704
significance of intraepithelial lymphocytes in appendix.the aim of this study was to investigate the importance of the increase in intraepithelial lymphocytes (iels) in the mucosa of the appendix. one hundred and four retrospective appendectomy specimens were examined to evaluate the iels. intraepithelial lymphocytosis was identified in 11.5% (12 cases) of the specimens. of these 12 cases, 6 cases with intraepithelial lymphocytosis were associated with parasitic infection. no increase in iels was found in the 36 appendices that were removed in other ...200717766055
intestinal parasitoses and environmental factors in a rural population of argentina, 2002-2003.we evaluate the prevalence of intestinal parasites in 504 people and the degree of association between environmental variables and parasites found in population, soil and water in a rural area of argentina during 2002-2003. a structured survey was used to evaluate the environmental variables and fecal-human, soil and water samples were analyzed. the prevalence of parasites was 45.4%. most prevalent protozoa were blastocystis hominis (27.2%) and giardia lamblia (6.9%), while the most prevalent he ...200717823756
parasitic infections among orang asli (aborigine) in the cameron highlands, malaysia.in april 2004, an outbreak of acute diarrheal illness occurred among the orang asli (aborigine) in the cameron highlands, pahang state, peninsular malaysia, where rotavirus was later implicated as the cause. in the course of the epidemic investigation, stool samples were collected and examined for infectious agents including parasites. soil transmitted helminthes (sth), namely ascaris lumbricoides (25.7%), trichuris trichiura (31.1%) and hookworm (8.1%), and intestinal protozoa, which included g ...200717877212
pathogenicity of blastocystis hominis, a clinical reevaluation.blastocystis (b.) hominis was considered to be a member of normal intestinal flora in the past, but in recent years it has been accepted as a very controversial pathogenic protozoan. in this study, 52 individuals whose stool examination revealed b. hominis were evaluated for clinical symptoms. metronidazole was administered for 2 weeks to the patients infected with b. hominis. after 2 weeks of treatment they were called for a follow-up stool examination. no other bacteriological and parasitologi ...200717918055
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
prevalence and clinical features of dientamoeba fragilis infections in patients suspected to have intestinal parasitic infection.the present study was conducted to determine the prevalence and clinical features of dientamoebiasis in patients presumed to be infected with intestinal parasites. a total of 168 patients were examined for d. fragilis using microscopy (after wheatley's trichrome staining) and culture (using modified boeck and drbohlav's medium). d. fragilis trophozoites were detected in 15 samples (8.9%) examined using trichrome staining and in 50 samples (29.8%) by culture method. other enteric parasites were c ...200717985591
intestinal protozoan and helminth infections in the municipality san juan y martínez, pinar del río, cuba.a cross-sectional study was carried out to determine the prevalence of intestinal parasitic infections and the intensity of soil-transmitted helminths (sths) among children who attend the educational centres of san juan y martinez, cuba. ascaris lumbricoides, blastocystis hominis and giardia lamblia were the most common parasites found, with prevalence rates of 40.5%, 38.5% and 25%, respectively. in total, 91% of children harboured at least one type of intestinal parasite. the rates and intensit ...200717988492
[blastocystis hominis and diarrhea]. 200717988622
demographic status and prevalence of intestinal parasitic infections in schoolchildren in izmir, turkey.thirteen primary schools from nine areas were randomly selected in the shantytown and apartment districts in izmir. fecal specimens were evaluated with native-lugol, formalin-ethyl-acetate sedimentation and with trichrome staining for protozoa and helminths and with cellophane tape for enterobius vermicularis. of the study group, 33.4% had one or more parasites. the most common parasite was blastocystis hominis (14.6%) followed by enterobius vermicularis (10.1%) and giardia intestinalis (7.8%). ...200717990581
[dot enzyme-linked immunosorbent assay for detection of serum antibody to blastocystis hominis in humans].serum and stool samples were collected from 322 undergraduate students in medical school. using stool in vitro cultivation as golden standard, 178 cases were found blastocystis hominis positive and 144 were negative. dot-elisa was used to examine the serum samples with a sensitivity of 92.1% (164/178) and specificity of 97.1% (141/144). this revealed that dot-elisa can be used for antibody detection against blastocystis hominis.200718038792
health inequities: lower socio-economic conditions and higher incidences of intestinal parasites.intestinal parasitic infections affect child health and development and slow down growth, while reducing adults' productivity and work capacity. the aim of the present study was to determine and compare the incidences of intestinal parasitic infections and the socio-economic status of two near primary school children in manisa, a western city of turkey.200718042287
irritable bowel syndrome: a review on the role of intestinal protozoa and the importance of their detection and diagnosis.irritable bowel syndrome (ibs) is a functional gastrointestinal disorder in which abdominal pain is associated with a defect or a change in bowel habits. gut inflammation is one of the proposed mechanisms of pathogenesis. recent studies have described a possible role for protozoan parasites, such as blastocystis hominis and dientamoeba fragilis, in the etiology of ibs. dientamoeba fragilis is known to cause ibs-like symptoms and has a propensity to cause chronic infections but its diagnosis reli ...200717070814
morphology and reproductive mode of blastocystis hominis in diarrhea and in vitro.the in vitro culture of blastocystis hominis in roswell park memorial institute (rpmi) 1,640 medium containing 20% calf serum is described. the morphological and reproductive mode studies of b. hominis in symptomatic patients' faeces and in further rpmi 1,640 medium-cultured samples were undertaken by light microscopy using iodine staining and hematoxylin staining. three distinct morphological forms, vacuolar, granular and amoeboid, were distinguished in faeces and in vitro cultures. the cystic ...200717216486
colony growth of philippine isolates of blastocystis hominis in simplified, soft agar medium.the agar-cloning technique of blastocystis hominis has been observed in both solid and semisolid agar using iscove's modified dulbecco's medium. in this study, philippine isolates of b. hominis were grown by pour-plate method in semisolid agar using locke's solution. inoculated plates contained 0.7% agar, 10% horse serum, and 0.1% sodium thioglycollate. plates were incubated at 37 degrees c in a microaerophilic jar for 7-10 days. biconvex disk-shaped colonies were seen abound at the bottom half ...200717235545
infectivity of different genotypes of human blastocystis hominis isolates in chickens and rats.most blastocystis hominis isolates from humans are believed to be potentially zoonotic. this is because b. hominis isolates found in a variety of other host species have been found to have identical or relatively similar genotypes to those found in human isolates. however, the transmission of human b. hominis isolates to other animals has not been confirmed experimentally. in this study, the infectivity associated with several unique human blastocystis genotypes (subtypes 2, 3, 4 and 7) was ther ...200717251054
blastocystis hominis colitis in a haemophilic patient as a cause of lower gastrointestinal bleeding. 200717286783
incidence of cyclosporiasis in patients with gastrointestinal symptoms in western turkey.this study was designed to investigate the distribution of cyclosporiasis between october 2003 and october 2004 and the relationship between cyclospora infection and seasonal as well as patient factors in western turkey.200717179908
the effect of blastocystis hominis on the growth status of children.b. hominis is a protozoan parasite commonly found in the human gastrointestinal tract. the pathogenesis of b. hominis is still controversial, although it is one of the most common parasites found in stool samples.200717179909
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 the in vitro effect of nigella sativa aqueous extract on blastocystis hominis isolates.the effect of nigella sativa aqueous extract was evaluated against the in vitro growth of 2 different isolates of the intestinal protozoan parasite blastocystis hominis. different concentrations (10, 100, 500 microg/ml) of nigella aqueous extract and metronidazole, an active standard drug for b. hominis, were incubated with b. hominis isolates in culture media at 37 degrees c. their possible effect on b. hominnis living cell count (lcc) was assessed on day 1, 3 & 6. the aqueous extract of n. sat ...200718383782
intestinal protozoa and helminths among terena indians in the state of mato grosso do sul: high prevalence of blastocystis hominis.a parasitological survey was carried out among terena indians living in the tereré settlement in the municipality of sidrolândia, state of mato grosso do sul, brazil. single samples of feces from 313 indians were processed by means of the spontaneous sedimentation method. in the population studied, 73.5% were infected with at least one intestinal parasite or commensal. protozoa predominated. blastocystis hominis (40.9%), entamoeba coli (33.2%) and entamoeba histolytica/entamoeba dispar (31.6%) w ...200718200414
intestinal parasitic infections among school children in thailand.a study was conducted to determine the prevalence of intestinal parasites in children from eight schools located in phuttamonthon district, nakhon prathom province during november 2004 to december 2004. stool samples were collected from 1920 students; age range from 7 to 12 years old, and examined for intestinal parasites by using formalin-ethyl acetate concentration technique. of these subjects, 242 (12.6%) were infected with one or more of 10 intestinal parasitic species. in these infected sub ...200718209713
characteristics of blastocystis hominis infection in a turkish university hospital.in order to determine characteristics of blastocystis (b.) hominis infection; 770 individuals' stool specimens were examined both by simple and concentration techniques and stained with iodine solution and trichrome in the parasitology laboratory of hacettepe university faculty of medicine, turkey. among the examined 770 specimens, b. hominis was detected in 94 (12.2%). b. hominis was the most common intestinal parasite among the study group. it was mostly detected with dientamoeba fragilis. amo ...200718224616
[evaluation of intestinal parasites in a period of four years in the coprology laboratory of a training hospital].parasitological examination of stool samples of 9867 individuals, submitted from both inpatient and outpatient departments to the microbiology department of an 800-bed training hospital between 1.1.2003 and 31.12.2006, revealed that 582 individuals (5.9%) were infected with intestinal parasites. different diagnostic methods were employed in two different periods, and blastocystis hominis, giardia intestinalis and entamoeba histolytica/dispar were found to be the most common parasites, respective ...200718224623
[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
[survey of intestinal parasites among an aboriginal community in salta].the prevalence of intestinal parasitoses by protozoans and helminths was determined in an aboriginal community located 6 km from tartagal, province of salta, argentina. the age of the inhabitants studied ranged from 1 to 49 years old. a total of 112 stool samples were collected in sodium acetate-acetic acid- formalin solution (saf). each sample was obtained in three different days, alternatively. ritchie biphasic concentration method and faust flotation technique were applied. for survey of ente ...200718422062
restriction enzyme digestion analysis of pcr-amplified dna of blastocystis hominis isolates.genomic dna of blastocystis isolates released into 0.1% triton x-100 was suitable for amplification and yielded similar results as the genomic dna extracted with standard kit. the specific b. hominis primers (bh1: gct tat ctg gtt gat cct gcc agt and bh2: tga tcc ttc cgc agg ttc acc tac a) successfully produced the pcr product of about 1,770 bp with all the 7 blastocystis isolates tested. the restriction fragment length polymorphism (rflp) patterns yielded by 13 out of 25 restriction endonuclease ...200718613539
clinical significance of blastocystis hominis: experience from a medical center in northern taiwan.blastocystis hominis is an intestinal protozoan. the pathogenic role of this organism in human beings is still controversial and has varied among reports from different geographic areas. the purpose of this study was to determine the clinical significance of b. hominis in northern taiwan.200818629417
[the prevalence of microsporidium among patients given a diagnosis of cancer].the aim of this study was to determine the frequency of microsporidium among patients given a diagnosis of cancer. for this purpose fecal samples from 320 patients aged 23.60+/-23.00 years were examined using native-lugol and sedimentation methods and evaluated with modified trichrome, trichrome, and calcofluor dyes. moreover a control group of 320 non-cancer patients was set up. while 10.9% of the patient group was found to have microsporidium, only 5.6% of the control group did. comparison bet ...200818645938
[the prevalence of intestinal parasites according to the distribution of the patients' gender and parasite species for five years at the osmangazi university medical faculty].in this study, patients (outpatients and inpatients) with various gastrointestinal system complaints presenting at various clinics of the eskisehir osmangazi university medical faculty, from february 2003-december 2007 were investigated for the presence of intestinal parasites. the prevalence of intestinal parasites was evaluated according to parasite species, gender of the patients and the years, in which cases were seen. a total of 34,733 stool samples were prepared by formal-ethyl acetate con ...200818645941
complete circular dna in the mitochondria-like organelles of blastocystis hominis.blastocystis hominis is an anaerobic parasite of the human intestinal tract belonging to the stramenopile group. using genome sequencing project data, we describe here the complete sequence of a 29,270-bp circular dna molecule that presents mitochondrial features (such as oxidative phosphorylation complex i subunits) but lacks complexes iii, iv and v. transmission electron microscopy analyses reveal that this molecule, as well as mitochondrial (nadh:ubiquinone oxidoreductase subunit 7 (nad7), be ...200818694756
phenotypic and genotypic characterisation of blastocystis hominis isolates implicates subtype 3 as a subtype with pathogenic potential.despite frequent reports on the presence of blastocystis hominis in human intestinal tract, its pathogenicity remains a matter of intense debate. these discrepancies may be due to the varying pathogenic potential or virulence of the isolates studied. the present study represents the first to investigate both phenotypic and genotypic characteristics of b. hominis obtained from symptomatic and asymptomatic individuals. symptomatic isolates had a significantly greater size range and lower growth ra ...200818795333
patterns of infection with intestinal parasites in qatar among food handlers and housemaids from different geographical regions of origin.intestinal parasitic infections were surveyed among recently arrived immigrant workers in qatar destined for employment in food handling occupations. two overlapping datasets (female workers surveyed in 2005 and 2006, and both sexes in 2006) were analyzed. seven species were detected, 3 nematodes (trichuris trichiura, hookworms and ascaris lumbricoides) and 4 protozoans (entamoeba histolytica/dispar, non-pathogenic entamoebae, blastocystis hominis and giardia lamblia). overall prevalence of infe ...200818457813
extensive multiparasitism in a village of yunnan province, people's republic of china, revealed by a suite of diagnostic methods.intestinal multiparasitism, the accuracy of different diagnostic techniques, and the influence of sampling effort were studied among 215 individuals in a bulang village, yunnan province, people's republic of china. behavioral, demographic, and socioeconomic data were obtained by questionnaire. multiple stool specimens were examined by the kato-katz, koga agar plate, baermann, and ether-concentration methods. eight helminth and 7 protozoa species were diagnosed. the prevalence of each of the 3 ma ...200818458311
clinical and serological evidence of toxocara infection in school children from morrope district, lambayeque, peru.the aim of this study was to estimate the frequency of human toxocariosis in a child population from morrope district, lambayeque, peru. from october to december 2005, 182 school children (96 male and 86 female) were studied. blood samples were collected for toxocara elisa-igg test and hematological examination. additionally, stool samples were collected for coproparasitological examination to check cross reactions. we found frequency of positives in 32.4% (59/182) with a significant higher prop ...200818488089
a possible link between subtype 2 and asymptomatic infections of blastocystis hominis.blastocystis hominis is one of the most common eukaryotic organisms in the intestinal tract of humans, while its pathogenic potential is still controversial. a total of 286 stool samples obtained from adult and pediatric patients with or without gastrointestinal symptoms in two hospitals in manisa, turkey, were cultured to detect b. hominis infection. forty-one and 51 isolates were obtained from the adults and children, respectively, and these isolates were subjected to subtyping by polymerase c ...200818523804
prevalence of intestinal parasites in a population in south of tehran, iran.the aim of this study was to describe epidemiologic characteristics of intestinal parasites in a population in south of tehran, iran. a retrospective cross-sectional study of patients with suspicious intestinal parasitic infections referred to the zakaria razi laboratory in shahre-ray, southern tehran, iran, was conducted from april 21, 2004 to october 20, 2005. all stool samples were examined and socio-demographic informations were retrieved. of 4,371 referred patients, 466 (239 males and 227 f ...200818604414
the prevalence of intestinal parasites in the province of izmir, turkey.stool samples of a total of 2,047 people in izmir province were examined by wet mount, formalin ethyl acetate concentration, and trichrome staining methods with an aim to reveal the prevalence of intestinal parasites in izmir together with related personal and environmental risk factors. geographical mapping showing the density and variation of the species of intestinal parasites in izmir was done after all maps were scaled, and the coordinates were determined with geomedia5.0. the prevalence of ...200818604653
bacterial, archaeal, and eukaryal diversity in the intestines of korean people.the bacterial, archaeal, and eukaryal diversity in fecal samples from ten koreans were analyzed and compared by using the pcr-fingerprinting method, denaturing gradient gel electrophoresis (dgge). the bacteria all belonged to the firmicutes and bacteroidetes phyla, which were known to be the dominant bacterial species in the human intestine. most of the archaeal sequences belonged to the methane-producing archaea but several halophilic archarea-related sequences were also detected unexpectedly. ...200818974948
an outbreak of gastroenteritis associated with intestinal parasites.intestinal protozoa are one of the leading causes of waterborne outbreaks. stool samples of 196 residents from a village of izmir, using the public water supply, were collected during an outbreak of gastroenteritis. patients were asked to fill out a questionnaire reporting on gender, age, gastrointestinal symptoms, whether or not there was a toilet in the house, their hygiene practices, and similar symptoms in the household members. of the patients who had gastrointestinal symptoms (74.5%), diar ...200818985582
[the prevalence of intestinal parasites in children brought to the kars maternal and children's hospital with complaints of gastrointestinal symptoms].this study was carried out to determine the prevalence of intestinal parasites in 2-6 year-old children who were brought to kars maternal and children's hospital with complaints of gastrointestinal symptoms during march-june 2007. fecal samples were taken from children and brought to the parasitology laboratory of the faculty of veterinary medicine to be examined for intestinal parasites. fecal samples were examined by centrifugal formalin ether, zinc-sulphate floatation, and modified acid fast ...200818985583
[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
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