| prevalence and effectiveness of an education program on intestinal pathogens in food handlers. | to assess the prevalence of intestinal pathogens and the effectiveness of an education program in food handlers in a tertiary care hospital. | 2005 | 16850637 |
| 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 ... | 2006 | 16863863 |
| blastocystis hominis infection in patient with regular dialysis. | | 2006 | 16868812 |
| [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. | 2006 | 16913176 |
| 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. ... | 2006 | 17041558 |
| 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. ... | 2006 | 17041560 |
| intestinal parasites and the environment: frequency of intestinal parasites in children of neuquén, patagonia, argentina. | the frequency of intestinal parasites (ip) in 69 children between 2 and 14 years of age was studied within the city of neuquén, patagonia, argentina in relation to socioeconomic, cultural and environmental conditions. soil type was determined and contamination with ip was investigated in 75 soil samples. frequency of ip in children was 50.7%. blastocystis hominis was the most frequent species (24.6%). simultaneous infection with 2 to 4 species was found in 47,5% of the infected children. statist ... | 2001 | 17061494 |
| blastocystis hominis among food vendors in xochimilco markets. | blastocystis hominis is a pathogenic protozoon that lives in the human bowel and causes diarrhea: the mode of transmission is a passive one, through the ingestion of stool-contaminated water or foods that contain infective forms of the parasite. the purpose of this study is to report the prevalence of blastocystis hominis among food vendors in the markets within the xochimilco jurisdiction, mexico city, mexico. a cross-sectional study was conducted in which food vendors answered an epidemiologic ... | 2003 | 17061516 |
| 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 ... | 2007 | 17070814 |
| [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. | 2006 | 17094618 |
| [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 ... | 2006 | 17106853 |
| [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 ... | 2006 | 17106862 |
| [clinical symptoms in cases caused by entamoeba coli and blastocystis hominis.] | e. coli and b. hominis are usually accepted as members of normal intestinal flora during stool examinations, but in recent years there has been controversy as to whether they may be pathogen protozoa. in this study, 92 individuals who were found to have e. coli (58/92) and b. hominis (34/92) in their stools were included in a study of clinical symptoms. no other parasitological or bacteriological agents were found in the stools of these persons. the percentages of intestinal symptoms were found ... | 2005 | 17124674 |
| [distribution of intestinal parasites in children aged between 0 and 14 presenting at the laboratory of parasitology of the mustafa kemal university medical school.] | the aim of this study was to determine the parasite frequency in children from 0-14 years old who had presented at the parasitology laboratory of the mustafa kemal university medicine school complaining of gastrointestinal and anal pruritus. during the laboratory investigation, 561 fecal specimens and 534 cellophane tapes obtained from the patients were examined. after the microscope examination of 561 feces samples, it was found that 104 of these samples (from 50 boys and 54 girls) contained on ... | 2005 | 17124682 |
| [the distribution of intestinal parasites in students of the mustafa kemal university school of health.]. | intestinal parasites are an important national health problem in our country as in the rest of the world. in our study, the prevalence of intestinal parasites in female students (aged from 16-18 years) in the mustafa kemal university school of health was investigated. fecal samples and cellophane tape preparations were used for diagnosis. for this reason 142 fecal samples and 136 cellophane tape preparations were examined. one or more parasites were found in 65 (45.77%). fecal samples. the preva ... | 2005 | 17124683 |
| [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, ... | 2005 | 17124684 |
| [distribution of intestinal parasites in children from the 23 nisan primary school in hakkari.]. | this study was performed on children ranging from 6-14 years old coming from 23 nisan primary school in hakkari. in this study, a total of 114 stool samples from 60 male students and 54 female students were examined for intestinal parasites. stool containers were given to the students. after the stool containers were collected, they were taken to the faculty of medicine of the yüzüncü yil university and examined using native lugol and flotation methods. one or more intestinal parasites were foun ... | 2005 | 17124686 |
| 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 ... | 2006 | 17152954 |
| 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 ... | 2006 | 17153711 |
| [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 ... | 2005 | 17160838 |
| [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 ... | 2005 | 17160839 |
| [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% ... | 2006 | 17160846 |
| [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 ... | 2006 | 17160847 |
| 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. | 2007 | 17179908 |
| 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. | 2007 | 17179909 |
| [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 ... | 2006 | 17201290 |
| 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. | 2006 | 17205876 |
| 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 ... | 2007 | 17216486 |
| 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 ... | 2007 | 17235545 |
| 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 ... | 2007 | 17251054 |
| blastocystis hominis colitis in a haemophilic patient as a cause of lower gastrointestinal bleeding. | | 2007 | 17286783 |
| [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. | 2006 | 17290755 |
| [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. | 2006 | 17290756 |
| 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 ... | 2005 | 17292002 |
| [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 ... | 2006 | 17309032 |
| [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 ... | 2006 | 17309033 |
| [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 ... | 2006 | 17309034 |
| [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 ... | 2006 | 17309035 |
| 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 ... | 2006 | 17333793 |
| 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 ... | 2007 | 17360882 |
| [a case of infant infected by blastocystis hominis]. | | 2006 | 17366972 |
| 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 ... | 2007 | 17402277 |
| [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 ... | 2007 | 17471409 |
| [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 ... | 2007 | 17471410 |
| 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 ... | 2007 | 17484764 |
| 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 ... | 2007 | 17511817 |
| [blastocystis hominis infection and diarrhoea]. | | 2007 | 17524325 |
| 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% ... | 2007 | 17539273 |
| 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 ... | 2007 | 17568378 |
| [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. | 2007 | 17568902 |
| 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 ... | 2007 | 17580578 |
| [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 ... | 2007 | 17594654 |
| [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 ... | 2007 | 17594655 |
| [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 ... | 2007 | 17594656 |
| 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 ... | 2007 | 17625701 |
| [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 ... | 2007 | 17628910 |
| [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. | 2007 | 17639703 |
| 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 ... | 2007 | 17653475 |
| 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 ... | 2007 | 17701428 |
| [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 ... | 2007 | 17712397 |
| 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 ... | 2007 | 17717704 |
| 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 ... | 2007 | 17766055 |
| 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 ... | 2007 | 17823756 |
| 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 ... | 2007 | 17877212 |
| 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 ... | 2007 | 17918055 |
| 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 ( ... | 2007 | 17985574 |
| 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 ... | 2007 | 17985591 |
| 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 ... | 2007 | 17988492 |
| [blastocystis hominis and diarrhea]. | | 2007 | 17988622 |
| 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%). ... | 2007 | 17990581 |
| [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. | 2007 | 18038792 |
| 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. | 2007 | 18042287 |
| a cross-sectional study of intestinal parasitic infections in a rural district of west china. | parasitic infections are widespread in rural areas of west china. the remote and humid environment, traditional ways of life, contaminated potable water and limited health services all contribute to the transmission and persistence of fecal parasites. | 2003 | 18159450 |
| genomic diversity of blastocystis hominis from patients in southern iran. | | 2008 | 18186983 |
| pathophysiological variability of different genotypes of human blastocystis hominis egyptian isolates in experimentally infected rats. | the genotyping of blastocystis hominis clinical isolates obtained from 28 gastrointestinal symptomatic patients and 16 asymptomatic individuals were identified by polymerase chain reaction using sequenced-tagged site (sts) primers. then, pathophysiological variability between different b. hominis genotypes was evaluated in experimentally infected rats. only four b. hominis subtypes (1, 2, 3, and 4) were detected (18.2%, 9.1%, 54.5%, and 18.2%, respectively) in human isolates. in symptomatic isol ... | 2008 | 18193282 |
| 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 ... | 2007 | 18200414 |
| 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 ... | 2007 | 18209713 |
| 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 ... | 2007 | 18224616 |
| [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 ... | 2007 | 18224623 |
| [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 ... | 2007 | 18224624 |
| novel algorithm for coexpression detection in time-varying microarray data sets. | when analyzing the results of microarray experiments, biologists generally use unsupervised categorization tools. however, such tools regard each time point as an independent dimension and utilize the euclidean distance to compute the similarities between expressions. furthermore, some of these methods require the number of clusters to be determined in advance, which is clearly impossible in the case of a new dataset. therefore, this study proposes a novel scheme, designated as the variation-bas ... | 2008 | 18245881 |
| giardiasis and other intestinal parasitic infections in relation to anthropometric indicators of malnutrition: a large, population-based survey of schoolchildren in tehran. | the morbidity of intestinal parasitic infections is greatest among children of school age and may have an adverse effect on growth. in the present, cross-sectional study, the association between previously undiagnosed intestinal parasitic infections and growth was assessed in 19,209 children attending elementary schools in tehran. the physical growth of these children was investigated by recording body weights, heights and weight-for-age z scores. faecal samples were collected and each checked f ... | 2008 | 18348775 |
| [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 ... | 2008 | 18351543 |
| [the frequency of intestinal parasites in primary school children in urban and rural regions]. | the aim of this study was to determine the prevalence of intestinal parasites in primary school children in sivas and to consider the changes in frequency and variety of intestinal parasites in the light of previous studies carried out since 1985. specimens were examined by direct microscopy and staining. in addition, the relationship of intestinal parasites with physical development, success and socio-economic situation was investigated using surveys. intestinal parasites were found in 191 (26. ... | 2008 | 18351553 |
| high prevalence of blastocystis sp. in pigs reared under intensive growing systems: frequency of ribotypes and associated risk factors. | three hundred and ninety-five pig fecal samples were analyzed looking for blastocystis sp. using optical microscopy and pcr. a global prevalence of 46.8% has been observed in this study, although relative values of prevalence differ notably according to the strata examined, ranging from 9.3% in sows to 75% in weaners. statistic analysis of the data included several risk factors such as different management systems, date of sample collection, fecal consistency, age and sex of the animals. the pre ... | 2008 | 18374492 |
| 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 ... | 2007 | 18383782 |
| is blastocystis hominis a new etiologic factor or a coincidence in iron deficiency anemia? | iron deficiency anemia (ida) is a frequent health problem. gut parasites such as n. americanus and a. duodenale are known to cause blood loss, but the role of blastocystis hominis is uncertain. in this study, 212 patients (193 female, 19 male, mean age 41 sd 15 yrs) with ida were enrolled and 90 persons without ida (78 female, 12 male, mean age 45 sd 17 yrs). microscopic examination of stools for b. hominis using the native lugol method was done three times on each subject. if any specimen conta ... | 2008 | 18397391 |
| amoebic liver abscess or is it? | | 2008 | 18408101 |
| [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 ... | 2007 | 18422062 |
| 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 ... | 2008 | 18457813 |
| 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 ... | 2008 | 18458311 |
| 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 ... | 2008 | 18488089 |
| 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 ... | 2008 | 18523804 |
| 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 ... | 2008 | 18604414 |
| 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 ... | 2008 | 18604653 |
| 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 ... | 2007 | 18613539 |
| 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. | 2008 | 18629417 |
| [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 ... | 2008 | 18645938 |
| [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 ... | 2008 | 18645941 |
| 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 ... | 2008 | 18694756 |