| sequence analysis of partial regions of the 5.8s rrna internal transcribed region 2 and 28s rrna of isospora belli. | | 2003 | 12866923 |
| [extraintestinal finding of isospora belli unizoic cysts in a patient with aids: case report]. | this report describes the presence of isospora belli unizoic cysts in mesenteric lymph nodes and of gametocytes in the gallbladder epitelium of a 26 year-old brazilian male patient with acquired immune deficiency syndrome. this patient had received treatment for several times with sulfamethoxazole-trimethoprim. it is discussed the significance of i. belli tissue cysts as possible foci of resistance of the parasite and their association with the infection relapse even post-treatment with anticocc ... | 2003 | 12908043 |
| detection of cryptosporidium amongst diarrhoeic and asymptomatic children in jeddah, saudi arabia. | between the march and may of 2000, stool specimens were collected from children aged <5 in six pre-school crèches and clinics in the jeddah area of saudi arabia. sixty-three (25%) of the children had diarrhoeal disease but the other 190 were asymptomatic. when the stool samples were stained and examined for the oocysts of cryptosporidium spp. and other enteric protozoa, 20 (32%) of the symptomatic children but only nine (4.7%) of the asymptomatic were found to be excreting cryptosporidium oocyst ... | 2003 | 12930614 |
| cellular immunity and diarrhoeal disease amongst patients infected with the human immunodeficiency viruses 1 and 2 in zaria, nigeria. | this study was carried out to determine the aetiological agents associated with diarrhoea in nigerians infected with the human immunodeficiency viruses, and to correlate the cellular immunity status with the causes of diarrhoea. the mean duration of diarrhoea was 20.7 weeks. giardia lamblia was the commonest pathogen and was isolated from the stools of 10 patients (25%). isospora belli was isolated in 3 of the patients (7.5%) but in none of the controls. other pathogens isolated include salmonel ... | 2003 | 12956003 |
| [human intestinal coccidiosis caused by isospora belli]. | | 1958 | 13585037 |
| isosporiasis in venezuelan adults infected with human immunodeficiency virus: clinical characterization. | a cross-sectional study was undertaken to determine the prevalence of isosporiasis and its clinical and laboratory pattern in venezuelan patients infected with human immunodeficiency virus (hiv) (n = 397). at enrollment, they underwent a thorough clinical history and physical examination, and provided stool specimens for the identification of isospora belli and other parasites. isospora belli was identified in 56 subjects (14%) and diarrhea, either acute or chronic, was present in 98% of these c ... | 2003 | 13677379 |
| [1st case of human coccidiosis due to isospora belli reported in belgium]. | | 1962 | 13930677 |
| experimental human coccidial enteritis by isospora belli wenyon, 1923. a study based on the infection of 5 volunteers. | | 1962 | 13944889 |
| role of coccidian parasites in causation of diarrhoea in hiv infected patients in chennai. | diarrhoea is one of the major problems of hiv positive patients. a coproparasitological study was carried out to assess the role of coccidian parasites in the causation of diarrhoea in hiv infected patients in chennai. | 2002 | 12619445 |
| steatorrhea in a man infected with coccidiosis (isospora belli). | | 1964 | 14234685 |
| [1st case of human coccidiosis caused by isospora belli reported in belgium]. | | 1964 | 14277145 |
| [contribution to the study of isospora belli infestations in children]. | | 1965 | 14322228 |
| human infection with isospora belli; report of a case in florida. | | 1955 | 14387965 |
| [discovery of isospora belli in duodenal juice]. | | 1959 | 14429128 |
| [a case of human intestinal coccidiosis caused by isospora belli (wenyon, 1923)]. | | 1960 | 14437908 |
| cryptosporidium parvum and isospora belli infections among patients with and without diarrhoea. | to assess the importance of cryptosporidium parvum and isospora belli infections as a cause of diarrhoea among patients admitted to the medical wards in queen elizabeth central hospital (qech) in blantyre, malawi. | 2003 | 14601779 |
| isospora belli infection in a patient with non-hodgkin's lymphoma. | isospora belli infection is frequent in patients with acquired immunodeficiency syndrome in tropical areas. it has also been reported in other immunodepressive diseases, such as lymphoblastic leukemia, adult t-cell leukemia, and hodgkin's disease. to date, no case of non-hodgkin's lymphoma-related isosporiasis has been reported in a non-hiv-infected patient. we describe a case of non-hodgkin's lymphoma with chronic diarrhea due to i. belli. in europe, i. belli can cause severe chronic diarrhea i ... | 2003 | 14616755 |
| [parasitoses and immunodepression]. | the immunodepression, related or not to aids, induces the emergence of opportunistic parasitosis and mycosis. our objective is to analyze these pathogenic agents, their clinical expression and gravity in immunocompromised individuals. our retrospective 9 years study reported parasitic and fungic infections complicating immunodepression. among 31 hiv infected patients, we diagnosed the following parasitosis: cryptosporidium (7 cases), isospora belli (2 cases) and enterocytozoon bieneusi (1 case). ... | 2000 | 14658228 |
| isospora belli infection: observation of unicellular cysts in mesenteric lymphoid tissues of a brazilian patient with aids and animal inoculation. | we describe the finding of unizoic cysts of isospora belli in lymphoid tissues of a brazilian patient with aids, and discuss the possibilities of their drug resistance, they being the cause of relapses, and of being an indication for the existence of intermediary or paratenic animal hosts. | 2003 | 14736218 |
| preliminary identification of an intestinal coccidian parasite in man. | an unidentified coccidian parasite was observed in saline faecal smears of five immunocompromised patients. very few of these organisms were observed in the oocystic stage. they were oval in shape with rounded edges and contained two sporulated sporocysts, 7.5-9.5 um in diameter with a nipple like projection. they are smaller than sporocysts of sarcocystis hominis and suihominis. for further identification, the modified ziehl-neelsen stain was used. the sporocysts showed variability in staining. ... | 1998 | 9914703 |
| human intestinal infection due to coccidia in mozambique: two cases. | a case of intestinal infection by cryptosporidium parvum and another of intestinal isospora belli infection, both in aids patients, are described. the two patients presented pulmonary tuberculosis symptoms and watery diarrhoea. modified ziehl-neelsen stain of stools gave a definitive diagnosis in both cases. they are the first reports of intestinal coccidia infections in aids patients described in mozambique. | 1999 | 9924958 |
| point prevalence of cryptosporidium, cyclospora, and isospora infections in patients being evaluated for diarrhea. | from march to september 2001, 315 specimens from "nonrepeat" patients that were submitted for ova and parasite examination were stained using the kinyoun modified acid-fast stain to detect the intestinal coccidians. four patients (1.3%) were infected with coccidians, 2 with cryptosporidium parvum and 2 with cyclospora cayetanensis. no infections with isospora belli were detected. in comparison, 15 patients (4.8%) had infections with one or more intestinal parasites detected by routine trichrome ... | 2004 | 15272527 |
| [investigation of intestinal parasites in aids patients]. | in this study, enteric parasites were investigated in the stool samples of 38 aids patients (23 with chronic diarrhea and 15 without diarrhea) prospectively. at least three stool samples from each patient were investigated microscopically for ova or trophozoites. the samples were concentrated with formol-ether method and wet preparations stained with lugol were examined. in addition, the concentrated samples were stained with modified asid-fast (kinyoun's), rhodamine-auramine, modified trichrom ... | 2004 | 15293911 |
| prevalence of intestinal parasites in cuban acquired immunodeficiency syndrome (aids) patients. | a coproparasitological study was carried out on 67 acquired immunodeficiency syndrome (aids) patients admitted at the institute of tropical medicine 'pedro kouri'. the results were compared with 136 hiv-seronegative patients (control group) who were also hospitalised in the same period. in both groups monoparasitism was more prevalent than polyparasitism and intestinal protozoa were more prevalent than helminths. at least one intestinal parasite was found in 34 (51%) of the 67 aids patients and ... | 1999 | 9924968 |
| intestinal parasites, including cryptosporidium species, in iraqi patients with sickle-cell anaemia. | stool samples were obtained from individuals admitted to three hospitals in basra during november 1997-may 1998. of 40 patients with sickle-cell anaemia, 25 (62.5%) had parasitic infections. in the apparently healthy comparison group, 26 of 175 individuals (14.8%) had intestinal parasitic infections, a statistically significant difference. the most common intestinal parasites isolated in the sickle-cell patients were blastocystis hominis (36%) and giardia lamblia (28%). the isolation rate of cry ... | 2002 | 15339123 |
| [not available]. | | 1949 | 15399473 |
| [not available]. | | 1950 | 15405241 |
| endometrial coccidiosis. | this report describes a case of granulomatous endometritis caused by coccidiosis in an immunologically uncompromised 63 year old patient. the glandular epithelium of the endometrium contained numerous intracytoplasmic cysts, corresponding to periodic acid schiff positive and methenamine silver negative sporoblasts. the endometrial glands revealed reactive phenomena, such as eosinophilic and squamous glandular metaplasia and intraluminal desquamation. non-necrotising epithelioid granulomata, lack ... | 2004 | 15452171 |
| cyclospora cayetanensis, a food- and waterborne coccidian parasite. | food- and waterborne coccidia including cryptosporidium parvum, cyclospora cayetanensis, sarcocystis hominis and sarcocystis suihominis, and isospora belli are cyst-forming apicomplexan protozoa that cause intracellular infections, predominantly in the epithelial cells of the intestine. they are transmitted by oocysts from person-to-person by the fecal-oral route or via contaminated water or food. the most common symptom of infection is diarrhea, however, asymptomatic infections occur. infection ... | 2004 | 15567580 |
| survey for intestinal parasites in belize, central america. | a stool survey was carried out in 5 villages in the toledo district of the central american country of belize. eighty-two percent of a total population of 672 participated. the stools were examined by the formalin-ethyl-acetate concentration technique. sixty-six percent of the population was found to have one or more intestinal parasites. the most common infection was hookworm (55%) followed by ascaris lumbricoides (30%), entamoeba coli (21%), trichuris trichiura (19%), giardia lamblia (12%), io ... | 2004 | 15689057 |
| [infective etiology of diarrhea in adults with hiv infection in dakar: a case-control study on 594 patients]. | a survey was conducted in dakar, senegal from may 1997 to may 1999, to identify major types and prevalences of bacteria, parasites, fungi and rotaviruses associated with diarrhea in relation to human immunodeficiency virus serostatus with the aim to provide guidance to physicians for case management. etiologic agents were identified in a case-control study: cases were hiv-infected patients with diarrhea (hiv+ d+) and hiv seronegative patients with diarrhea (hiv- d+); controls were hiv-infected p ... | 2001 | 15773157 |
| parasitic infections in hiv-infected patients who visited seoul national university hospital during the period 1995-2003. | the prevalence of parasitic infections was investigated in human immunodeficiency virus (hiv)-infected patients (n = 105) who visited seoul national university hospital, seoul, korea, during the period from 1995 to 2003. fecal samples were collected from 67 patients for intestinal parasite examinations, and sputum or bronchoalveolar lavage samples from 60 patients for examination of pneumocystis carinii. both samples were obtained from 22 patients. thirty-three (31.4%) of the 105 were found to h ... | 2005 | 15793352 |
| intestinal parasitic infections in hiv/aids patients: experience at a teaching hospital in central brazil. | in order to verify the occurrence of intestinal parasitic infections in human immunodeficiency virus (hiv)/acquired immunodeficiency syndrome (aids) patients, 100 hiv/aids patients (group 1) and 85 clinically healthy individuals (group 2) were submitted to coproparasitological examination. intestinal parasites were detected in 27% of patients from group 1 and in 17.6% from group 2. in group 1 the most frequent parasites were strongyloides stercoralis (12%), with 2 cases of hyperinfection; isospo ... | 2005 | 15849055 |
| [intestinal parasitosis during aids diarrhoea]. | the main goal of this work was to study the parasitic infections during aids diarrhoea. a longitudinal study was carried out from october 2000 to november 2001 in the hepato-gastro-enterology department of gabriel toure hospital and in the department of epidemiology and parasitic infections of faculty of medicine, pharmacy and odonto-stomatology of bamako (mali), concerning hiv positive patients suffering from diarrhoea. detecting microbes in stools has been done through direct microscopic exami ... | 2005 | 15915971 |
| development of isospora belli in hct-8, hep-2, human fibroblast, bek and vero culture cells. | the development of isospora belli, a human coccidian parasite, was studied in different cell lines. merozoites were observed in all kinds of cells, whereas sporogony was demonstrated only in hct-8. this implied that not only the human cell line can be infected, but also some animal cell lines. unizoites could be found in vero cells. the merozoites were transferred to a new culture cell for three passages and maintained for two weeks, but no oocyst production was observed in any culture cells dur ... | 2004 | 15916071 |
| fuchsin fluorescence and autofluorescence in cryptosporidium, isospora and cyclospora oocysts. | cryptosporidium parvum and isospora belli oocysts stained with carbol-fuchsin, as in a modified ziehl neelsen technique, fluoresce bright red under green light (546nm). cryptosporidium oocysts tend to fluoresce more brightly the less intensely stained they appear under transmitted light; this is not the case with isospora. fuchsin-stained cyclospora cayetanensis oocysts fluoresce rather dimly, but those not taking the dye retain their typical autofluorescence. cryptosporidium and isospora oocyst ... | 1998 | 9925267 |
| emerging pathogens: isospora, cyclospora and microsporidia. | isospora belli, cyclospora cayetanensis as well as several species of microsporidia are recognized as emerging protozoan pathogens of humans. all are obligate intracellular parasites, with isospora and the microsporidia being primarily associated with immunocompromised hosts. cyclospora is a cause of traveller's diarrhoea, and is responsible for water-borne and food-borne outbreaks of disease. drug treatment is available for these infections. improved diagnostic methods including the autofluores ... | 1998 | 10660937 |
| prevalence of intestinal parasites including microsporidia in human immunodeficiency virus-infected adults in cameroon: a cross-sectional study. | to assess the prevalence of intestinal parasites in a cohort of human immunodeficiency virus (hiv)-infected adults in cameroon, a cross-sectional study was conducted. detection of parasites was performed in 181 stool samples from 154 hiv-infected patients with a mean cd4 cell count of 238 cells/mm(3). only 35 patients (22%) were receiving antiretroviral therapy at the time of stool sampling, and 46 (29%) had diarrhea. opportunistic protozoa were found in 15 patients (9.7%), 8 of whom (53%) had d ... | 2006 | 16407362 |
| [high prevalence of cyclospora cayetanensis among indigenous people in bolivar state, venezuela]. | the intestinal coccidioses caused by cryptosporidium parvum, isospora belli, and cyclospora cayetanensis are parasitoses of major medical importance, but many epidemiological aspects of these infections are still unknown in bolívar state, venezuela. to determine the prevalence of intestinal parasites and especially of intestinal coccidiosis, an indigenous population in san antonio de morichal was evaluated from july 2003 to april 2004. stool samples obtained by spontaneous evacuation were preser ... | 2006 | 16410862 |
| mechanical transmission of pathogenic organisms: the role of cockroaches. | cockroaches (diploptera punctata) are basically tropical insects and will do their best to find a home that is both warm and moist. their involvement in the transmission of tropical diseases is poorly investigated in africa. | 2005 | 16457381 |
| important zoonotic intestinal protozoan parasites in asia. | intestinal protozoa are increasingly being studied because of their association with acute and chronic diarrhoea in immunocompromised as well as immunocompetent patients. various community outbreaks due to contamination of water or food with these protozoa have further highlighted their importance in public health. among these important pathogens are giardia duodenalis, entamoeba histolytica, cryptosporidium parvum, cyclospora cayetanensis, isospora belli, and microsporidia. except for the cyst- ... | 2004 | 16493397 |
| [intestinal parasitosis in patients with hiv-aids]. | diarrhea, a common complication and one of the most important causes of malabsorption and malnutrition in aids patients. our objective was to determine the parasitic causes of diarrhea in patients with hiv-aids at the cayetano heredia national hospital (lima, peru). | 2006 | 16622484 |
| cystoisospora belli: in vitro multiplication in mammalian cells. | intracellular development of cystoisospora belli was demonstrated in 4 different mammalian cell lines. human ileocecal adenocarcinoma (hct-8), epithelial carcinoma of lung (a549), madin-darby bovine kidney (mdbk), and african green monkey kidney (vero) were exposed in vitro to c. belli sporozoites, which had been isolated from the feces of hiv-aids patients. parasites invaded all the cellular types between 4 and 12h after exposure and multiplication was demonstrated after 24 h. grater number of ... | 2006 | 16674944 |
| cryptosporidium parvum and other instestinal parasites among diarrhoeal patients referred to ehnri in ethiopia. | the occurrence of intestinal parasites in patients referred to the parasitology laboratory of the ethiopian health and nutrition research institute (ehnri), was recorded for four consecutive years, 1998-2001. based on the stool appearance i.e. watery, loose, muciod and bloody, 442 diarrhoeal samples were particularly selected to allow diagnosis of intestinal parasites with emphasis on coccidian intestinal parasites. wet saline mounts and formol ether concentration method with logul's iodine were ... | 2004 | 16895037 |
| intestinal spore-forming protozoa among patients suffering from chronic renal failure. | cryptosporidium parvum, isospora belli, cyclospora cayetanensis and microsporidia are four intestinal spore-forming protozoa that cause diarrhoea in immuno-competent individuals and immuno-suppressed patients. fresh stool samples were obtained from 120 patients suffering from crf and attending the dialysis unit of zagazig university hospital. also, stool samples were obtained from 40 immuno-competent individuals complaining of diarrhoea (control group). the stool samples were examined by direct ... | 2000 | 10786022 |
| cryptosporidium and isospora belli diarrhoea in immunocompromised hosts. | cryptosporidium and isospora, two of the intestinal coccidian parasites known to be the causative agents of acute diarrhoea in animals, have now emerged as one of the main causes of prolonged life threatening diarrhoea in immunocompromised patients particularly so in patients with aids. between june 1996 and december 1997, a total of 75 immunocompromised patients presenting with diarrhoea were investigated both for cryptosporidium and isospora. the study group consisted of cancer and aids patien ... | 1999 | 10810553 |
| [cryptosporidiosis and isosporiasis in children suffering from diarrhoea in abidjan]. | a parasitological survey on intestinal coccidia, cryptosporidium sp and isospora belli, has been carried out in paediatric service of an teaching hospital in the district of abidjan (côte d'ivoire). 130 children under 5 years old suffering from diarrhoea have been enrolled. direct stools examination method, simplified ritchie technique and ziehl neelsen modified coloration were used for analysis. moreover, the aids serological status of the patients has been determined. the results show that cry ... | 2004 | 17304752 |
| hiv-associated isospora belli infection: incidence and risk factors in the french hospital database on hiv. | to determine the incidence of isospora belli infection in hiv-infected patients in france, and to study risk factors. | 2007 | 17352769 |
| 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 |
| [short communication: investigation of intestinal coccidia in patients with diarrhea]. | the intestinal protozoa have been increasingly identified in immunocompromised patients. in this study, stool samples of 554 patients [288 male, 266 female; 11 (2%) of them were immunocompromised] with diarrhea were examined between june 2004 and june 2005 in the parasitology laboratory of dokuz eylul university hospital, izmir, turkey, in order to investigate the prevalence of intestinal coccidia. after formalin-ethyl acetate sedimentation procedure, the samples were examined by both native lug ... | 2007 | 17427562 |
| [parasitic infection in immunocompromised patients]. | several parasites are responsible for life threatening infections in immunocompromised patients. they occur in patients with a profound immunodeficiency affecting the t-cell mediated immunity. in aids patients, opportunistic infections are highly prevalent in those with cd4 lymphocyte counts < 200/mm3. most of these parasites are intracellular protozoa. severe parasitic infections in immunocompromised hosts either results from the reactivation of a previously acquired infection, such as toxoplas ... | 2007 | 17432521 |
| [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 |
| enteric opportunistic parasites among hiv infected individuals: associated risk factors and immune status. | data on various etiologic agents causing diarrhea in human immunodeficiency virus type-1 (hiv-1) infected individuals are sparse in delhi, india. the present study was undertaken to identify various causative agents, the role of associated risk factors and immune status. a case-control study was conducted among 75 hiv-1 infected individuals, 50 with and 25 without diarrheal infection. fecal samples were screened for coccidian parasites, enteric protozoa, and helminthes by using various staining ... | 2007 | 17515636 |
| a rare diarrheic parasite in a liver transplant patient: isospora belli. | we describe the first case of isosporiasis in a liver transplant patient. watery diarrhea due to isospora belli was observed in a woman who had undergone liver transplantation 8 months prior. she was successfully treated with trimethoprim-sulfamethoxazole. this parasite should be taken into consideration as an opportunistic infection in transplant patients who need increased hygienic awareness. | 2007 | 17580223 |
| [a new trichromic safranin stain for the detection of cryptosporidium parvum, cyclospora cayetanensis, species of microsporidia and isospora belli in fecal material]. | cryptosporidium parvum, isospora belli, cyclospora cayetanensis and microsporidia are frequent pathogens in the immunodeficient host, which may cause multiple infections. the above mentioned parasites are found in feces by the application of different specific tintorial techniques. the objective of this work was the development of a stain for the simultaneous detection of these parasites, reducing costs as well as the time taken to make the diagnosis. the safranin-trichrome stain is simple, chip ... | 1999 | 10932763 |
| case report: isospora belli infection in a renal transplant recipent. | isospora belli, an opportunistic protozoon, is one of the most commonly recognized causes of diarrhea in patients with acquired immunodeficiency syndrome (aids). infection is acquired through fecal contaminated food or water, and generally diagnosed by examination of stool and/or duodenum biopsy specimens with acid-fast staining. here, we present an uncommon case, chronic diarrhea caused by i. belli infection in a patient who is a renal transplant recipient. | 2007 | 17594646 |
| [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 |
| screening of auramine-stained smears of all fecal samples is a rapid and inexpensive way to increase the detection of coccidial infections. | coccidia are important causes of diarrhea that is often indistinguishable from other forms of community-acquired diarrhea. however, the detection of oocysts is often only performed when explicitly requested, as part of the ova and parasite (o&p) examination. reappraisal and understanding of the accurate staining characteristics of auramine o (auo), which stains nucleic acids, may permit the inexpensive and reliable identification of coccidian oocysts at routine workup of all fecal samples. | 2008 | 17600749 |
| taxonomic position of the human intestinal protozoan parasite isospora belli as based on ribosomal rna sequences. | the taxonomic positions of isospora belli and other members of the genus isospora are controversial. we determined the small-subunit ribosomal rna of i. belli and used this sequence in combination with other coccidian rna sequences for analysis of the taxonomic position of i. belli. the phylogenetic trees we obtained provide molecular evidence for three clades within a monophyletic group that represents the suborder eimeriina. the clade containing i. belli consists of tissue-cyst-forming coccidi ... | 2000 | 10952268 |
| intestinal parasitic infection in hiv infected patients with diarrhoea in chennai. | to determine the prevalence of intestinal parasites in hiv patients with and without diarrhoea in chennai. | 2002 | 17657039 |
| parasites in patients with malabsorption syndrome: a clinical study in children and adults. | intestinal parasites not only cause diarrheal diseases but also significant malabsorption. literature on the role of parasites, such as intestinal coccidia and microsporidia in malabsorption syndrome is limited. | 2008 | 17763958 |
| high proportion of isosporiasis among hiv-infected patients with diarrhea in southern india. | we investigated 245 diarrheal stool specimens from hiv-positive subjects between january 2003 and december 2006 to determine the etiological role of coproparasites. parasitic etiology was observed in 91 (37.1%) cases. isospora belli (26.1%) was the most common parasite followed by entameba histolytica/dispar (3.3%), cryptosporidium spp. (2.9%), giardia intestinalis (1.6%), and strongyloides stercoralis (1.2%). interesting trends of significant increase in the number of cases of i. belli and decl ... | 2007 | 17984334 |
| 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 |
| reevaluating the molecular taxonomy: is human-associated cyclospora a mammalian eimeria species? | human-associated cyclospora is a coccidian parasite that causes diarrheal disease. a reevaluation of the parasite's molecular taxonomy that takes into account newly published data for seven eimeria species shows that cyclospora belongs to the eimeria clade (eimeriidae family). the cyclospora branch on the phylogenetic tree is between the branches of the eight avian and two mammalian eimeria species that have been evaluated to date. furthermore, preliminary results indicate that cyclospora and is ... | 1997 | 9284387 |
| isospora belli infection in a malnourished child. | isospora belli, a coccidian parasite usually causes a self limiting illness of acute onset with fever, diarrhoea and colicky pain in a normal host. in immunocompromised patients human isosporiasis becomes chronic. we report a case of a malnourished 9 year old female child who presented with complaints of loose stools, nausea, vomiting and weight loss for the past three months. stool examination revealed immature oocysts of isospora belli. the patient was successfully treated with tmp-smx. | 2007 | 18338696 |
| evaluation of an enzyme-linked immunoassay for the detection of cryptosporidium antigen in fecal specimens of hiv/aids patients. | cryptosporidium parvum, a protozoan parasite, causes severe diarrhea in immunodeficient hosts like hiv/aids patients, leading to significant morbidity and mortality. diagnosis of the cryptosporidium oocyst in the stool of these patients by conventional microscopy is labor intensive and time consuming. therefore, we planned to evaluate the usefulness of a stool elisa test in detecting cryptosporidial antigen. about 89 stool specimens obtained from hiv-seropositive patients with diarrhea were subj ... | 2008 | 18417886 |
| real-time polymerase chain reaction for detection of isospora belli in stool samples. | a real-time polymerase chain reaction (pcr) assay targeting the internal transcribed spacer 2 region of the ribosomal rna gene was developed for the detection of isospora belli dna in fecal samples, including an internal control to detect inhibition during the amplification process. the assay was performed on species-specific dna controls (n = 27) and a range of positive (n = 21) and negative (n = 120) stool samples, and achieved 100% specificity and sensitivity. the simple fecal sample collecti ... | 2008 | 18424043 |
| chronic diarrhoea in hiv patients: prevalence of coccidian parasites. | the purpose of this study was to determine the prevalence of intestinal parasites in hiv patients with or without diarrhoea and to see an association between diarrhoea and the coccidian parasites in our setting. stool samples from 113 hiv patients, 34 chronic diarrhoea and 79 without any history of diarrhoea were collected and examined for enteric parasites by microscopy. one hundred and thirteen control samples from hiv negative patients complaining of prolonged diarrhoea were also collected an ... | 2008 | 18445958 |
| the plastid-like organelle of apicomplexan parasites as drug target. | apicomplexan parasites infectious to humans include plasmodium spp., babesia spp., toxoplasma gondii, cryptosporidium spp., isospora belli and cyclospora cayetanensis. with exception of cryptosporidium spp., these parasites possess a non-photosynthetic plastid-like organelle called apicoplast. the apicoplast possesses a small circular genome and harbours prokaryotic-type biochemical pathways. as the most important metabolic functions, the mevalonate independent 1-deoxy-d-xylulose 5-phosphate pat ... | 2008 | 18473835 |
| isospora belli, strongyloides stercoralis & hookworm multiple-infection in a person with hiv infection & normal cd4+ t-lymphocyte count. | | 2008 | 18577798 |
| enteric parasitic infections in hiv/aids patients before and after the highly active antiretroviral therapy. | enteroparasites are related to gastrointestinal alterations among patients with hiv/aids, some causing severe manifestations in the period before the institution of the highly active antiretroviral therapy (haart). the prevalence of enteroparasitoses in patients with hiv/aids seen at two hospitals in ceará , brazil, was compared in the pre-haart (group 1; n = 482) and haart (group 2; n = 100) eras. fecal parasitologic examinations (fpe) were performed using the direct, lutz, baermann-moraes and ... | 2008 | 18641847 |
| presence of enterocytozoon bieneusi associated with intestinal coccidia in patients with chronic diarrhea visiting an hiv center in haiti. | this study investigated the presence of enterocytozoon bieneusi as a possible cause of chronic diarrhea in haitian patients attending the gheskio aids clinic in port-au-prince, haiti. coccidian oocysts were found by polymerase chain reaction (pcr) in the stools of 58/74 patients with chronic diarrhea and included the following agents: 45 (60%) cryptosporidium spp., 27 (34%) cyclospora cayetanensis, and 11 (15%) isospora belli. four patients (5.5%) were co-infected with e. bieneusi and one (1.4%) ... | 2008 | 18840748 |
| severe hypokalemia, paralysis, and aids-associated isospora belli diarrhea. | background: hypokalemia of clinical significance, severe enough to cause paralysis and cardiac dysrhythmias, is an uncommon life-threatening medical disorder. hypokalemic periodic paralysis (hpp), where an abrupt intracellular shift of potassium has occurred, must be distinguished from hypokalemic non-periodic paralysis (non-hpp), where a total body potassium deficit exists. the challenge for emergency physicians is to swiftly and accurately differentiate disease etiology and institute prompt tr ... | 2008 | 18993015 |
| opportunistic and other intestinal parasitic infections in aids patients, hiv seropositive healthy carriers and hiv seronegative individuals in southwest ethiopia. | human immunodeficiency virus (hiv) infection leads to acquired immunodeficiency syndrome (aids) and major causes of morbidity and mortality of such patients are opportunistic infections caused by viral, bacterial, fungal and parasitic pathogens. | 2008 | 19374319 |
| experimental infection of murine and human macrophages with cystoisospora belli. | extraintestinal cystoisosporosis by cystoisospora belli has already been reported in hiv/aids patients, generally involving preferential invasion of mesenteric and trachaeobronchial lymph nodes, liver and spleen by unizoic cysts of this parasite, which may infect macrophages. to test this hypothesis, murine and human macrophages were exposed to sporozoites of c. belli and cultures were observed daily after contact with these cells. the parasites penetrated and multiplied by endodyogeny in both c ... | 2009 | 19427297 |
| isospora cholangiopathy: case study with histologic characterization and molecular confirmation. | isospora belli is an intracellular protozoan parasite that causes diarrhea worldwide and is endemic in the tropics. in the united states, it is an uncommon cause of traveler's diarrhea and a relatively rare opportunistic pathogen among the immunocompromised, particularly aids patients. isospora infects the small intestine, where both sexual and asexual replication occur, and oocysts are shed in the stool. isosporiasis of the gallbladder has also been described in aids patients. we report a case ... | 2009 | 19447468 |
| microscopic diagnosis of sodium acetate-acetic acid-formalin-fixed stool samples for helminths and intestinal protozoa: a comparison among european reference laboratories. | the present study aimed to compare the diagnostic performance of different european reference laboratories in diagnosing helminths and intestinal protozoa, using an ether-concentration method applied to sodium acetate-acetic acid-formalin (saf)-preserved faecal samples. in total, 102 stool specimens were analysed during a cross-sectional parasitological survey in urban farming communities in côte d'ivoire. five saf-preserved faecal samples were prepared from each specimen and forwarded to the pa ... | 2010 | 19456836 |
| detection of isospora belli by polymerase chain reaction using primers based on small-subunit ribosomal rna sequences. | the aim of the present study was to use small-subunit (ssu)-rrna sequences of isospora belli to design specific primer pairs and a hybridization probe for the detection of isospora belli in human samples by pcr and southern blot hybridization. pcr amplification with the primer pairs produced correct dna fragments with target dna from samples of isospora belli-infected patients and from cloned ssu-rrna of isospora belli. the nature of the pcr products was confirmed by southern blot hybridization. ... | 2000 | 11014628 |
| aids-associated parasitic diarrhoea. | since the advent of human immunodeficiency virus infection, with its profound and progressive effect on the cellular immune system, a group of human opportunistic pathogens has come into prominence. opportunistic parasitic infection can cause severe morbidity and mortality. because many of these infections are treatable, an early and accurate diagnosis is important. this can be accomplished by a variety of methods such as direct demonstration of parasites and by serological tests to detect antig ... | 2009 | 19584497 |
| [the etiological, clinical and prognosis of diarrhea occurs during aids in to hospital in bamako]. | its was a descriptive survey achieved in the service of the infectious and tropical illnesses of the teaching hospital of the "point g" from 31 december 2002 to 30 june 2004 was about the analysis of 76 files. its goal was to determine the clinical, etiological and prognostic aspects, of the diarrhea during the aids. the oral-pharyngeal candidiasis (50%), the deshydratation (60,5%), the fever (67,5%) and the thinning (77,6%) were associated to the diarrhoea frequently. cholera syndrome was (52.6 ... | 2007 | 19617111 |
| infections by protozoa in immunocompromised hosts. | protozoa are among the most important pathogens that can cause infection in immunocompromised patients. they infect particularly individuals with impaired cell immunity, such as those with hematologic neoplasias, those submitted to transplant of solid organs, those under high-dose corticosteroid therapy, and carriers of the human immunodeficiency virus. among the protozoa that most commonly cause disease in immunocompromised individuals are toxoplasma gondii, trypanosoma cruzi, cryptosporidium p ... | 2000 | 11142706 |
| opportunistic parasitic infections in hiv/aids patients presenting with diarrhoea by the level of immunesuppression. | enteric parasites are major cause of diarrhoea in hiv infected individuals. the present study was undertaken to detect enteric parasites in hiv infected patients with diarrhoea at different levels of immunity. | 2009 | 19700803 |
| isospora belli infection after isolated intestinal transplant. | isospora belli is a protozoan that only affects humans, after ingestion of isospora's oocysts. immunocompetent patients usually do not develop the infection. immunocompromised hosts may have profuse diarrhea with other gastrointestinal symptoms. treatment is based on trimethoprim-sulfamethoxazole. in 2006 we performed an isolated intestinal transplantation in a patient with ultra-short bowel syndrome. neither rejection nor clinical problems occurred after transplant, but signs of intestinal infl ... | 2010 | 19708892 |
| intestinal parasitic infections: prevalences in hiv/aids patients in a thai aids-care centre. | during 2005, the intestinal parasitic infections in the adult hiv/aids patients in a combined aids-care centre and hospice in thailand were identified in a cross-sectional study. overall, 41 (45.6%) of the 90 stool samples investigated, by microscopy and/or pcr, were found parasite-positive. cryptosporidium was the genus most commonly encountered, with 27 (30.0%) of the patients positive for cr. hominis and four (4.4%) positive for cr. meleagridis. enterocytozoon bieneusi, always of genotype d, ... | 2009 | 19825279 |
| development and ultrastructure of cystoisospora canis nemeséri, 1959 (syn, isospora canis) monozoic cysts in two noncanine cell lines. | cystoisospora canis is a coccidial parasite of the intestinal tract that can cause severe disease in dogs. clinical signs include watery diarrhea, vomiting, fever, and weight loss. extraintestinal stages of cystoisospora spp. have been demonstrated in the mesenteric lymph nodes of paratenic hosts. information on the biology of extraintestinal stages of canine cystoisospora species is limited. the current study examined the development of c. canis in 2 noncanine cell lines and the ultrastructure ... | 2009 | 20049986 |
| pictorial cme. isospora belli and cyclospora cayetanensis in a case of chronic diarrhoea in an immunocompromised host. | | 2000 | 11280226 |
| severe diarrhea due to isospora belli in a patient with thymoma. | opportunistic isosporidial infection of the gastrointestinal tract is frequently encountered in patients with acquired immunodeficiency syndrome (aids) and is considered to be an aids-defining illness. chronic severe watery diarrhea due to isospora belli has also been reported in other immunodeficiency states. this report describes severe chronic debilitating diarrhea due to isosporiasis in a patient with mediastinal thymoma, a common tumor of the anterior mediastinum, originating from the epith ... | 2009 | 20422140 |
| intestinal parasitic infection of immunocompromised children with diarrhoea: clinical profile and therapeutic response. | parasitic gastrointestinal infections have been variably reported among immunocompromised adults while data on children have been limited. this prospective cross-sectional study aimed to assess the clinical profile of intestinal parasitic infections among immunocompromised children with diarrhoea and their treatment response. | 2010 | 20539063 |
| [isospora belli infection in hiv positive patients: report of two cases and literature review]. | isosporosis is an infection caused by parasitic protozoa of the genus isospora, coccidia affecting various different vertebrate species, including humans. it is an uncommon infection in our country and it is not a zoonosis. we present two cases of isospora belli infection in hiv positive patients from the valparaiso region. we discuss the clinical events caused by this agent, its epidemiology, cases published in the local and foreign literature, as well as its treatment and prevention measures. | 2010 | 20737124 |
| molecular characterization of cystoisospora belli and unizoite tissue cyst in patients with acquired immunodeficiency syndrome. | cystoisospora belli is a coccidian protozoan that can cause chronic diarrhoea, acalculous cholecystitis and cholangiopathy in aids patients. we applied molecular methods to identify cystoisospora at species level in aids patients presenting with and without the presence of unizoites in lamina propria. coprological and histological analyses were performed in stool and/or biopsy samples from 8 cystoisospora-infected patients. dna from the same samples was used to amplify 2 fragments of the ssu-rrn ... | 2011 | 20825690 |
| [a retrospective evaluation of the prevalence of intestinal parasites in istanbul, turkey]. | the aim of this study is to estimate the prevalence of intestinal parasites, in comparison to previous studies in istanbul and different geographic regions of turkey. between january 1999-december 2009, a total of 27664 stool samples from patients with suspicious intestinal parasitic infections who were admitted to istanbul university cerrahpasa medical school hospital were examined for intestinal parasites by using native lugol and formalin-ethyl acetate concentration technique, in adition to t ... | 2010 | 20954117 |
| polymorphisms in the 18s rdna gene of cystoisospora belli and clinical features of cystoisosporosis in hiv-infected patients. | intraspecific variability among cystoisospora belli isolates and its clinical implications in human cystoisosporosis have not been established. in this study, the restriction fragment length polymorphisms in a 1.8-kb amplicon of the small subunit ribosomal dna (ssu rdna) of the parasite was investigated in 20 c. belli-positive stool samples obtained from 15 hiv-infected patients. diarrheic syndrome was observed in all patients with cystoisosporosis and the number of diarrheic episodes per patien ... | 2010 | 20967461 |
| heavy infestation of isospora belli causing severe watery diarrhea. | a 35-year-old male, positive for human immunodeficiency virus (hiv) antibodies, was found to have heavy infestation by isospora belli, leading to gastrointestinal opportunistic infection. stool sample of the patient presenting with diarrhea of 2 months duration showed numerous oocysts of i. belli. his blood cd4 count was 85/cmm. the patient was from a slum area with poor sanitation. he was put on antimicrobial agent trimethoprim-sulfamethoxazole and was followed up. however, he died after 1 mont ... | 2010 | 21045430 |
| opportunistic parasitic infections among immunocompromised egyptian patients. | the commonest opportunistic parasites causing morbidity and/or mortality in the immuno-compromised subjects are mainly the gastro-intestinal ones. this study clarified the prevalence of the opportunistic parasites among a group of immunocompromised patients selected from al azhar university hospitals. one hundred immunocompromised patients (gi) were divided into gia: 40 malignancy patients. gib: 30 with diabetes mellitus. gic: 30 with chronic renal failure. gii: included 20 cross-matched healthy ... | 2010 | 21268546 |
| intestinal parasites infections in hospitalized aids patients in kinshasa, democratic republic of congo. | to determine the prevalence and the species spectrum of intestinal parasites (ip) involved in hospitalized aids patients, a prospective observational and cross-sectional study was carried out in the four main hospitals in kinshasa, democratic republic of the congo. from november 2006 through september 2007, a single stool sample was collected from 175 hospitalized aids patients older than 15 years. parasites were detected by light microscopy, including ziehl-neelsen, fungi-fluor, modified trichr ... | 2010 | 21275238 |
| molecular diagnosis of cystoisosporiasis using extended-range pcr screening. | the differential diagnosis of diarrhea in immunocompromised patients encompasses many intestinal parasites including the coccidian cystoisospora belli. gastrointestinal infection with c. belli leads to cystoisosporiasis with diarrhea and, depending on host immune status, can cause extraintestinal disease. c. belli is usually diagnosed by examination of stool or intestinal biopsy specimens; however, the organism may be undetected using these test methods. thus, more sensitive molecular tools for ... | 2011 | 21458380 |
| prevalence of intestinal parasitic infections among hiv patients in benin city, nigeria. | this study was carried out to determine the presence of intestinal parasites and their correlation with cd4(+) t-cell counts and demographics among human immunodeficiency virus (hiv)-positive patients in benin city, nigeria. stool specimens from 2,000 hiv-positive patients and 500 controls (hiv-negative individuals) were examined for ova, cysts, or parasites, using standard procedures. in addition, patient's blood samples were analyzed for cd4 counts by flow cytometry. an overall prevalence rate ... | 2010 | 21483561 |
| self-limited travelers' diarrhea by isospora belli in a patient with dengue infection. | isospora belli diarrhea is usually associated with immunosuppression. this parasite has rarely been reported as a cause of travelers' diarrhea in immunocompetent patients. we present a clinical case of travelers' diarrhea due to i belli in a patient with transient lymphopenia secondary to dengue infection. | 2011 | 21539664 |
| how common is intestinal parasitism in hiv-infected patients in malaysia? | human immunodeficiency virus (hiv)-infected individuals have greater susceptibility to infections by a myriad of microorganisms which can cause significant morbidity and mortality compared to immunocompetent individuals. of these microbial infections, intestinal parasitic infections (ipis) however are receiving less attention than bacterial and viral infections, hence, the lack of information of parasitic infections in hiv individuals. prevalence of ipis among 346 hiv-infected individuals in mal ... | 2011 | 22041762 |
| efficiency of diagnostic methods for correlation between prevalence of enteric protozoan parasites and hiv/aids status--an experience of a tertiary care hospital in east delhi. | since the beginning of the aids pandemic, opportunistic infections have been recognized as common complications of hiv infection. enteric protozoan parasitic infections are one of the leading causes of morbidity and mortality in hiv infected patients. the present study is, therefore, aimed to determine the prevalence of these parasites and study their association with immune status in hiv patients with emphasis on the correlation between various diagnostic techniques to give an accurate diagnosi ... | 2011 | 21966122 |