| fecal occult blood testing on trichuris-infected primary school children in northeastern peninsular malaysia. | stool specimens of 104 primary schoolchildren (mean+/-sd age = 8.2+/-0.3 years) were examined for helminth eggs and for occult blood to investigate the possibility that trichuriasis causes occult intestinal bleeding in the absence of the overt trichuris dysentery syndrome. a commercially available guaiac test was used to detect fecal occult blood. sixty-one children had trichuris infection, 11 of whom had heavy infections (> 10,000 eggs per gram of feces [epg]), and 53 had ascaris infections. no ... | 1999 | 9988342 |
| effect of intestinal helminth infection on some nutritional parameters among rural villagers in nepal. | we report the prevalence of intestinal helminthiasis and its impact on health of nepalese in two different rural village development committees (vdc) in nepal. a total of 261 school children from okharpauwa vdc in nuwakot district (central region) and 242 inhabitants of boya vdc in bhojpur district (eastern region) in nepal were included in this study. the overall prevalence in these two different districts were 57.5% and 55.4%, respectively. altogether four types of helminths were detected. in ... | 1998 | 10036863 |
| prevalence of intestinal parasite infections with special reference to entamoeba histolytica on the island of bioko (equatorial guinea). | the prevalence of intestinal parasitic infections was assessed (1993 through 1995) among two different groups of persons on the island of bioko, equatorial guinea. in the first group, parasitologic examinations were performed on stool specimens from a household-based sample of 557 dwellers from the rural area of the island. in the second group, 1,633 inpatients and outpatients at the general hospital of malabo (the capital of the country) were studied. all age groups were represented in both gro ... | 1999 | 10072147 |
| nematode intestinal parasites of children in rural guinea, africa: prevalence and relationship to geophagia. | intestinal parasitism is common among children in developing countries, but the risk factors for infection are not well characterized. | 1999 | 10195684 |
| [ascariasis]. | | 1999 | 10201253 |
| independent evaluation of the nigrosin-eosin modification of the kato-katz technique. | a new modified quantitative kato-katz thick-smear technique for the detection of helminth eggs in faeces preserves hookworm eggs unaltered for a long time, while with the classic kato-katz technique, they disappear after approximately 2 h in tropical climates and thus slides must be read within hours after sample collection. for an independent comparison of these two laboratory techniques, faecal smears from 263 school children were examined in two surveys and prevalence, intensity of infection ... | 1999 | 10203173 |
| [ascaris lumbricoides in infants: a population-based study in rio de janeiro, brasil]. | prevalence and intensity of ascaris lumbricoides infection were analyzed by a cross-sectional study in children addressed in the city of duque de caxias, rio de janeiro state, from july to december 1997. the study population consisted of children under two years of age (n=387) and mothers of children under one year of age (n=104). coproparasitologic tests were run using the mifc and the kato thick smear (kato-katz) methods. prevalence was 3.3% (95% ci: 1.0-7.8) for children under one year, 30.7% ... | 1999 | 10203457 |
| eosinophils, eosinophil cationic protein and eosinophil-derived neurotoxin in serum and urine of patients with onchocerciasis coinfected with intestinal nematodes and in urinary schistosomiasis. | eosinophils, eosinophil cationic protein (ecp), eosinophil-derived neurotoxin (edn/epx), myeloperoxidase (mpo) and ige were measured in blood, serum and/or urine in schistosoma haematobium- and onchocerca volvulus-infected guineans and o. volvulus- and s. haematobium-negative guineans coinfected or infected with intestinal nematodes. the number of eosinophils and levels of eosinophil granule proteins but not of mpo were found to be strongly elevated in all africans as compared to european contro ... | 1999 | 10206116 |
| a study of the cost effectiveness of selective health interventions for the control of intestinal parasites in rural bangladesh. | the study examined the cost effectiveness of 4 different regimens in reducing the prevalence and intensity of infection of ascaris lumbricoides, trichuris trichiura, and hookworm over an 18-mo period in randomized community samples of children aged 2-8 yr living in rural bangladesh. the household was the unit of randomization in each community. the 4 regimens were (1) only chemotherapy to all household members at the commencement of the study (i.e., at an interval of 18 mo), (2) same as group (1 ... | 1999 | 10207355 |
| comparative prevalences of some common intestinal helminth infections in different altitudinal regions in ethiopia. | infection prevalences of ascaris lumbricoides, trichuris trichiura and the hookworms in school children in several communities of three altitudinal regions in ethiopia have been analyzed. the prevalence of a. lumbricoides infection was 29% in the highlands, 35% in the temperate areas and 38% in the lowlands. the prevalence of hookworm infection was highest in the lowlands (24%) followed by the temperate (15%) and highland (7%) areas and the difference was significant (p < 0.0001). t. trichiura i ... | 1998 | 10214442 |
| detection of circulating antigens and antibodies in toxocara canis infection among children in chengdu, china. | in order to determine the seroprevalence of toxocara spp. infection in children from chengdu, we performed an enzyme-linked immunosorbent assay (elisa) and sandwich elisa (s-elisa) with excretory-secretory antigens isolated from second-stage larvae of toxocara canis (tes-ag elisa). the seroprevalences of t. canis antibodies in the children from rural areas, urban districts, and urban districts with recent ascaris lumbricoides infection were 17.7% (59/333), 2.1% (4/186), and 2.6% (1/38), respecti ... | 1999 | 10219304 |
| [incidence of intestinal parasites in pediatric patients with hematologic neoplasms from 1 to 15 years of age]. | reference is made to the most frequent intestinal parasites in the hematologic patients and the association with malnutrition. | 1999 | 10232025 |
| [biliary ascariasis in the mountains]. | | 1999 | 10321010 |
| association of polymorphisms in the beta2-adrenoreceptor gene with higher levels of parasitic infection. | the diminishing incidence of parasitic infection in westernised societies has been suggested to result in an increased prevalance of asthma. asthma is a polygenic disease and genome screens have shown that genes on chromosome 5q31-33 are strongly linked to the disease. the gene for the beta2-adrenoreceptor is located in this region and two polymorphisms have been identified that result in amino acid changes at positions 16 (arggly) and 27 (glnglu). to determine whether these polymorphisms influe ... | 1999 | 10323253 |
| the contribution of hookworm and other parasitic infections to haemoglobin and iron status among children and adults in western kenya. | a cross-sectional study of 729 children and adults in western kenya investigated the impact of infection with hookworm, ascaris lumbricoides, trichuris trichiura, schistosoma mansoni and malaria on iron status. in bivariate analyses, hookworm intensities as low as 300 eggs/g of faeces were negatively related to levels of haemoglobin (hb) and serum ferritin (sf). malaria parasitaemia was negatively related to hb and positively related to sf, while s. mansoni intensities were negatively related to ... | 1998 | 10326110 |
| [intestinal obstruction caused by ascaris in pregnancy. report of a case]. | a pregnant woman may be infected up to a 90% by intestine parasites, and it all depends on the geographical area associated to the environmental factors allowing this to be spread. the abdominal obstruction related to the pregnancy is rare due to the fact that it only happens in one out of 2,500-6,000 pregnancies. this occlusion, when given by ascaris lumbricoides, is even more complicated due to the lack of medical literature reference, and thus being unable to make any comparisons. a 45-year o ... | 1999 | 10327764 |
| community prevalence study of taeniasis and cysticerosis in bail, indonesia. | taenia solium, a human cestode parasite endemic throughout most of south-east asia, causes a number of public health and economic problems. the parasite is endemic in bali due to a mix of cultural and religious practices. immunoepidemiological investigation of three rural communities revealed a taeniasis prevalence of 0.72% (3/415). one of the three cases was due to taenia solium, the other two to taenia saginata. a further nine cases of taenia infection were identified from patients from villag ... | 1999 | 10357865 |
| immunological changes associated with clinical improvement of asthmatic children subjected to psychosocial intervention. | in the present study we evaluated the impact of a program of psychosocial intervention (psi) on the immunological status and the clinical management of a group of asthmatic children of an island population in venezuela. we studied a total of 35 asthmatic children who belonged to either a psi group (19 patients) or a control group (16 patients), both of which received conventional antiasthmatic treatment. the psi group received, in addition, a 6-month psychosocial intervention program which inclu ... | 1999 | 10371674 |
| different patterns of intestinal helminth infection among young workers in urban and rural areas of alexandria governorate, egypt. | the process of urbanisation taking place in most developing countries is creating favourable conditions for an increase in prevalence of infections, especially with intestinal parasites, in the marginal areas of the towns. the present study was implemented in 1996 to assess the varying prevalence and intensity of infection among young workers in urban and rural areas of the same governorate (alexandria, egypt). the sample comprised 408 male subjects, 8 to 19 years of age, in various occupations: ... | 1998 | 10376279 |
| malaria, schistosomiasis, and intestinal helminths in relation to microdams in tigray, northern ethiopia. | a survey was undertaken in tigray, northern ethiopia, to assess the prevalence of malaria, schistosomiasis, and intestinal helminths in relation to microdams. the survey took place from march to june 1995, during the dry season, at 41 microdams. at each site the village nearest the dam (within thirty minutes walk) was selected, ten households were randomly chosen, and all family members were examined for malaria and intestinal parasites. the overall study sample was 2271 people, of all age group ... | 1998 | 10376281 |
| decline in total serum ige after treatment for tuberculosis. | infection with mycobacterium tuberculosis induces a type-1 immune response, whereas intestinal parasites elicit a type-2 response. given that type-1 and type-2 responses inhibit each other, we investigated if m tuberculosis downregulates serum ige, a marker of a type-2 response. | 1999 | 10376618 |
| developmental regulation of sr protein phosphorylation and activity. | serine/arginine-rich splicing factors (sr proteins) are substrates for serine phosphorylation that can regulate sr protein function. we have observed gross changes in sr protein phosphorylation during early development coincident with major zygotic gene activation in the nematode ascaris lumbricoides. these differences correlate with large-scale changes in sr protein activity in promoting both trans- and cis-splicing. importantly, inactive early stage extracts can be made splicing competent on a ... | 1999 | 10385619 |
| paediatric patients with henoch-schönlein purpura followed up at cumhuriyet university, sivas, turkey during 1993-1996: role of parasitosis in the aetiology of henoch-schönlein purpura. | | 1999 | 10401201 |
| genetic analysis of susceptibility to infection with ascaris lumbricoides. | epidemiologic studies of helminthic infections have shown that susceptibility to these parasites frequently aggregates in families, suggesting the possible involvement of genetic factors. this paper presents a genetic epidemiologic analysis of ascaris lumbricoides infection in the jirel population of eastern nepal. a total of 1,261 individuals belonging to a single pedigree were assessed for intensity of ascaris infection at two time points. following an initial assessment in which all individua ... | 1999 | 10403321 |
| a controlled evaluation of two school-based anthelminthic chemotherapy regimens on intensity of intestinal helminth infections. | school-based deworming programmes have been promoted as a cost-effective strategy for control of nematode infection in developing countries. while numerous efficacy studies have been conducted, there is little information on actual programme effectiveness in areas of intense transmission. | 1999 | 10405869 |
| anemia and intestinal parasitic infections in primary school students in aracaju, sergipe, brazil. | anemia is estimated to affect half the school-age children and adolescents in developing countries. the main causes are parasitic infections, malaria, and low iron intake. this study aimed to describe the prevalence of anemia, parasitic infections, and nutritional status of children attending public primary schools in aracaju, northeast brazil. of 360 students, 26.7% were anemic, and prevalence was higher in children under 8 and over 15 years of age. overall prevalence of intestinal parasites wa ... | 1999 | 10409794 |
| sr proteins are required for nematode trans-splicing in vitro. | sr (ser/arg) proteins have been shown to play roles in numerous aspects of pre-mrna splicing, including modulation of alternative splicing, commitment of substrates to the splicing pathway, and splice site communication. the last of these, splice site communication, is particularly relevant to trans-splicing in which the 5' and 3' exons originate on separate molecules. the participation of sr proteins in naturally occurring, spliced leader rna-dependent transsplicing has not been examined. here, ... | 1999 | 10411135 |
| [relationships in the prevalence of geohelminth infections in humans from venezuela]. | by means of kato-katz technique 113,254 coprological samples of the human population belonging to 100 counties from venezuela were analyzed. it was determined the following prevalences: ascaris lumbricoides 26.8%, trichuris trichiura 32.7% and hookworm 5.6%. it was found a strong correlation between a. lumbricoides and t. trichiura infection (p < 0.001), a significant correlation between t. trichiura and hookworm (p < 0.5) and no correlation between a. lumbricoides and hookworm. | 1998 | 10413885 |
| toxocariasis: serological diagnosis by indirect antibody competition elisa. | toxocariasis is caused by infection of man by toxocara canis and toxocara cati larvae, the common roundworm of dogs and cats. because larvae are difficult to detect in tissues, diagnosis is mostly based on serology. non specific reactions are observed mainly due to cross-reactivity with ascaris sp antigens. this investigation aimed at developing and evaluating an indirect antibody competition elisa (iace) employing a specific rabbit igg anti-toxocara canis excretory-secretory antigens as the com ... | 1999 | 10413956 |
| choledocholithiasis mimicking ascaris lumbricoides: problem in ultrasound differential diagnosis. | | 1999 | 10418307 |
| mr imaging features of biliary ascariasis. | | 1999 | 10430167 |
| in vivo transcriptional analysis of the spliced leader rna gene in the trypanosomatid leptomonas seymouri. | gene expression in all organisms requires the direct and indirect interaction of multiple proteins with specific dna sequence elements. using the monogenetic trypanosomatid, leptomonas seymouri, we investigated the cis- and trans-acting components that determine expression of a central trypanosomatid rna, the spliced leader (sl) rna. using base substitution mutagenesis and dna transfection assays, we determined that the sl rna gene promoter lies exclusively up-stream from the transcription initi ... | 1999 | 10431736 |
| endoscopic retrograde cholangio-pancreatographic diagnosis and extraction of massive biliary ascariasis presented with acute pancreatitis: a case report. | this paper reports the case of a young female thai patient who presented with periodic severe abdominal pains which proved to be acute pancreatitis. conventional investigations and treatments failed to prove and improve her condition. ercp was done on the twelfth day after admission. 3 caudal ends of living round worms were noted protruding from the papillary orifice during endoscopy. cholangiography revealed impacted multiple round worms in the common bile duct and both intrahepatic ducts. endo ... | 1999 | 10443103 |
| should postpapillotomy screening for ascaris lumbricoides infection be routine in communities endemic for ascariasis? | | 1999 | 10445590 |
| intestinal amoebiasis, giardiasis and geohelminthiases: their association with other intestinal parasites and reported intestinal symptoms. | in order to determine reported signs and symptoms that may predict an intestinal parasitic infection, 241 schoolchildren in western côte d'ivoire were interviewed with a simple questionnaire and their stool specimens were examined over several consecutive days. special emphasis was placed on (i) assessing infections by entamoeba histolytica/e. dispar, giardia duodenalis and by intestinal worms, (ii) looking for associations between these parasites, and (iii) looking for associations between thes ... | 1999 | 10450435 |
| immunochemical characterization and diagnostic potential of a 63-kilodalton schistosoma antigen. | schistosoma circulating antigens were used for the detection of active infection. anti-s. mansoni igg2a monoclonal antibody (mab) designated c5c4 was generated. the target epitope of this mab was detected in adult worms, eggs, and cercariae antigenic extracts of s. mansoni and s. haematobium, had a molecular size of 63 kd, and was not detected in fasciola hepatica and ascaris. in addition, a 50-kd degradation product was identified only in the urine of infected individuals. analysis by high-perf ... | 1999 | 10466983 |
| helminthic infection and anthropometric indicators in children from a tropical slum: ascaris reinfection after anthelmintic treatment. | we evaluated helminthic infection and anthropometric indicators of nutritional status in a group of school-age children from a slum area of caracas, venezuela. the proportions of children at or below the 10th percentiles for height/age and weight/age were significantly higher in those presenting helminthiasis than in those uninfected. although this could partially reflect a codependence of both helminthic infection and undernutrition or poverty, when the children were administered regular anthel ... | 1999 | 10467832 |
| intestinal parasites in malaysian children with cancer. | in this prospective study, we examined stool specimens from children with cancer receiving chemotherapy who were admitted for fever to the universiti sains malaysia hospital in kota baru, kelantan. stool specimens were examined for ova and cysts of parasites. over a period of 15 months, there were 129 febrile episodes in 50 children with cancer and, in all, 237 stool specimens were examined. sixty-six per cent of febrile episodes were associated with neutropenia and 9 per cent were associated wi ... | 1999 | 10467838 |
| biliary ascariasis: ct, mr cholangiopancreatography, and navigator endoscopic appearance--report of a case of acute biliary obstruction. | a case of acute common bile duct obstruction caused by a roundworm in a 6-year-old girl is reported. computed tomography (ct) and magnetic resonance imaging (mri) showed "bull's-eye" and "eye-glass" appearances of the ascaris in the common bile duct. on reformation of the transverse ct and coronal mr images, the tubular ascaris was better depicted. mri and navigator endoscopic demonstrations of the common bile duct ascaris have not been described previously in the literature. these ct and mri fi ... | 1999 | 10475930 |
| the epidemiology of hookworm infection and its contribution to anaemia among pre-school children on the kenyan coast. | intestinal nematode infections are recognized as a major public health problem, and helminth control is currently being directed towards school-aged children who are known to harbour the heaviest infections and are most likely to suffer from associated morbidity. however, few data are available for the epidemiology of intestinal nematodes in pre-school children in africa, and the contribution of hookworm infection to the aetiology and severity of anaemia among pre-school children remains poorly ... | 1999 | 10492749 |
| disinfectant/antiparasitic activities of jatropha curcas. | to investigate the disinfectant/antiparasitic activities of jatropha curcas as a first step in providing a cheap, readily available disinfectant and malaria vector control agent. | 1998 | 10493051 |
| incidental finding of ascaris in a trauma patient. | | 1999 | 10498330 |
| [cross-sectional study of intestinal parasites and chagas' disease in the municipality of novo airão, state of amazonas, brazil]. | a cross-sectional study was performed on the residents of one in every ten households in the town of novo airão, in the northern meso-region of the state of amazonas, 250 kilometers from manaus by riverboat. a family cluster sample of 89 dwellings was studied. a stool sample was requested from each of the inhabitants for examination using the lutz sedimentation and baermann-moraes-coutinho techniques, and blood was taken by venous puncture for trypanosoma cruzi elisa antibody testing and immunof ... | 1999 | 10502145 |
| ascaris haemoglobin is a nitric oxide-activated 'deoxygenase'. | the parasitic nematode ascaris lumbricoides infects one billion people worldwide. its perienteric fluid contains an octameric haemoglobin that binds oxygen nearly 25,000 times more tightly than does human haemoglobin. despite numerous investigations, the biological function of this molecule has remained elusive. the distal haem pocket contains a metal, oxygen and thiol, all of which are known to be reactive with nitric oxide. here we show that ascaris haemoglobin enzymatically consumes oxygen in ... | 1999 | 10519555 |
| diffuse bilateral subacute neuroretinitis: first patient with documented nematodes in both eyes. | to describe the first patient with documented evidence of diffuse unilateral subacute neuroretinitis (dusn) in both eyes. | 1999 | 10532442 |
| biliary strictures and cholangitis secondary to ascariasis: endoscopic management. | | 1999 | 10536331 |
| [monitoring of parasites in domestic sewage]. | the evaluation of the presence of parasites in semisolid and liquid sewage in argentinian patagonia in view of the fact that this is a restriction for its use. | 1999 | 10542472 |
| relapsing pneumothorax due to ascaris lumbricoides larvae. | we describe a case of relapsing pneumothorax occurring in a male child aged 11 yrs, resulting from the mechanical inflammatory action of ascaris lumbricoides larvae localized in the pleuropulmonary tissue. pulmonary ascariasis should still be considered today in the differential diagnosis of spontaneous pneumothorax occurring in children. | 1999 | 10546475 |
| airway obstruction by ascaris, roundworm in a burned child. | ascaris lumbricoides, roundworm, is a nematode parasite infecting about 1 billion people worldwide. we report the case of a ten-year-old bedouin girl hospitalized with burns to 45% of her body surface area, including the face. the patient was intubated upon admission and mechanically ventilated. four days later she was extubated but required reintubation 15 min later for severe hypoxemia. laryngoscopy disclosed an unidentified tube which obstructed the opening of the larynx. the 'tube' was remov ... | 1999 | 10563699 |
| evaluation of streck tissue fixative, a nonformalin fixative for preservation of stool samples and subsequent parasitologic examination. | we undertook a study to evaluate streck tissue fixative (stf) as a substitute for formalin and polyvinyl alcohol (pva) in fecal preservation. a comparison of formalin, pva, (mercuric chloride based), and stf was done by aliquoting fecal samples into each fixative. stool specimens were collected in haiti, and parasites included cyclospora cayetanensis, giardia intestinalis, entamoeba coli, iodamoeba butschlii, endolimax nana, ascaris lumbricoides, trichuris trichiura, strongyloides stercoralis, a ... | 1999 | 10565940 |
| prevalence of intestinal parasitic infections in patients with acquired immunodeficiency syndrome in brazil. | to evaluate the prevalence of intestinal parasitic infections and to investigate the possible associations of clinical status and laboratory findings with the different parasites found in stool samples. | 1999 | 10575149 |
| parasite-specific antibody profile in human fascioliasis: application for immunodiagnosis of infection. | the antibody isotype response to an adult fasciola worm antigen preparation (fwap) was examined in sera from 60 egyptians with parasitologically confirmed fascioliasis by an elisa. the fwap-specific igg1 and igg4 antibodies were found in 97-100% of the patients. the ratio of the mean absorbance values between infected patients and healthy controls was 9.7 and 29.7 for igg1 and igg4 antibodies, respectively. the igm, iga, igg2, and igg3 antibodies were less dominant. in contrast to igg1 antibodie ... | 1999 | 10586905 |
| gallbladder ascariasis: presentation and management. | as many as 1.5 billion people around the world harbour ascaris lumbricoides in the digestive tract. gallbladder ascariasis, although less common than bile duct ascariasis, is quite often seen in endemic areas. | 1999 | 10594499 |
| prevalence of intestinal parasites among school children in gaza city, gaza strip. | a total of 489 stool specimens were collected from school children aged 6-11 years. the target area is overcrowded, with improper sewage disposal system and low socioeconomic standards. a questionnaire was designed to include relevant informations. each stool specimen was processed by the direct smear microscopy, zinc sulphate flotation technique and formol-ether sedimentation technique. the present study revealed an overall prevalence at 27.6%. six parasites were detected. giardia lamblia (62.2 ... | 1999 | 10605490 |
| infestations and chronic infections in foreign pediatric patients with burns: is there a role for specific protocols? | infestations by parasites such as mycobacterium tuberculosis and other viral infections are common in third world countries. consequently, the admission of a significant number of foreign patients to burn centers in the united states may pose new problems, not only for inpatients but also for health care workers. to document infestations in patients from third world countries and to determine the need for specific protocols, we studied 62 consecutive foreign patients admitted to our pediatric bu ... | 1999 | 10613686 |
| clinical features and management of biliary ascariasis in a non-endemic area. | biliary ascariasis is common in certain geographical areas of the world. in india, it is common in the kashmir valley and only stray cases have been reported from other parts of the country. between january 1995 and may 1997, 14 patients with biliary ascariasis were seen at our centre, which is more than 1000 km from the kashmir valley. the mean (+/- sd) age of the patients was 31.7 (+/- 6.1) years and all were females. none of them had been to a place known to be endemic for biliary ascariasis. ... | 2000 | 10622777 |
| giant pharyngeal gland nuclei of ascaris: unusual cytology suggests a novel pathway for transport of ribosomal proteins to the nucleus. | we describe the unusual giant pharyngeal gland nuclei of the parasitic roundworm ascaris lumbricoides suum and attempt to reconcile the relationships among its uncommon, and in some instances unique, collection of constituents. the nuclei were studied by light and electron microscopy, feulgen cytophotometry, nuclear size analysis and histochemical methods, including those for detection of dna, rna, acidic and basic proteins, lipids and carbohydrates. a highly active nucleus is revealed: an exten ... | 1999 | 10626003 |
| ascaris lumbricoides. | | 2000 | 10629158 |
| diagnostic value of push-type enteroscopy: a report from india. | we sought to assess the diagnostic value of push-type enteroscopy in relation to indications. | 2000 | 10638572 |
| seroprevalence of toxocara canis-igg antibodies in two rural bolivian communities. | a survey on toxocara canis-igg seroprevalence was carried out in two bolivian communities (mora and zanja honda) living in the cordillera province, department of santa cruz. two hundred and sixteen people, both males and females, 2 to 85 years old were sampled. altogether, 73 people were positive (34%). the seroprevalence was 27% in mora and 42% in zanja honda (p = 0.022). no statistical correlations were found with sex and age. high prevalences were also found for intestinal helminths (hookworm ... | 1998 | 10645561 |
| reducing intestinal nematode infection: efficacy of albendazole and mebendazole. | the widespread use of mebendazole and albendazole for treating intestinal nematode infections in human populations is raising concerns that careful monitoring pro- cedures should be in place to identify any emergence of drug resistance. in this article, andy bennett and helen guyatt discuss whether benchmark parasitological drug efficacy rates can be defined for these anthelmintics, by analysing published data on cure rates and egg reduction rates in the treatment of ascaris lumbricoides, trichu ... | 2000 | 10652492 |
| ascaris lumbricoides infection is associated with protection from cerebral malaria. | following reports of increased ige in severe malaria and hypothesizing that helminth coinfections could modify its outcome, we conducted a retrospective case-control study to establish whether helminths affect the evolution of plasmodium falciparum malaria. some 182 severe cases, 315 mild controls and 40 controls with circulating schizonts were examined for intestinal helminths. comparing cerebral malaria with mild controls, ascaris lumbricoides was associated with a protective adjusted odds rat ... | 2000 | 10672191 |
| a woman with ascites and abdominal masses. | | 2000 | 10683006 |
| immunoglobulin e and allergic disease in africa. | | 2000 | 10691885 |
| total and specific ige (house dust mite and intestinal helminths) in asthmatics and controls from gondar, ethiopia. | the role, if any, of parasitosis in the development of asthma remains incompletely understood; both 'protective' and 'predictive' associations have been reported. we report a study which examined immunoglobulin (ig) e responses to two common helminths in asthmatics living in ethiopia. | 2000 | 10691893 |
| a rare cause of biliary pain in belgium. | ascaris lumbricoides is the most frequent human helminthic parasite. usually human ascariasis is poorly symptomatic but complications can arise due to worm migration. erratic worm migration into the biliary tree is a rare but threatening condition regarding the associated complications: cholecystitis, pancreatitis, obstruction of bile ducts, liver abcesses and recurrent pyogenic cholangitis. we describe a case of a young belgian women suffering from recurrent biliary colics over a period of eigh ... | 1999 | 10692779 |
| questionnaire survey and prevalence of intestinal helminthic infections in barru, sulawesi, indonesia. | a questionnaire survey with parasitological study was carried out on the inhabitants of 4 villages in barru district, sulawesi, indonesia from 1994 to 1995. the questionnaire dealt with life style and sanitary conditions. in 482 houses in the 4 villages, interviews for the items of the questionnaire were conducted with the owner, housekeeper and children of the same family. in pancana and lalolang, 37.7% and 50% respectively of man inhabitants surveyed were fishermen, while in lompo riaja and pa ... | 1999 | 10695792 |
| patterns of concurrent hookworm infection and schistosomiasis in schoolchildren in tanzania. | a cross-sectional study of 6897 schoolchildren in 59 out of the 155 primary schools in magu district on the shores of lake victoria, tanzania, was undertaken in 1997 to determine the prevalence of single- and multiple-species helminth infection. schistosoma haematobium, hookworm (primarily necator americanus) and s. mansoni were the most common helminth species infecting schoolchildren in the district. the prevalences of ascaris lumbricoides and trichuris trichiura were negligible (< 1%). anaemi ... | 1999 | 10696404 |
| the distribution of ascaris lumbricoides in human hosts: a study of 1765 people in bangladesh. | the ascaris lumbricoides expelled by 1765 people in a poor urban community in bangladesh were recovered and counted after the subjects had been treated with pyrantel pamoate. the subjects were divided into 22 classes by age and sex (mean n = 80) to examine how prevalence, mean worm burdens and measures of aggregation of worms varied with age and between the sexes, and to see how a measure of aggregation, k, calculated in 3 ways (by maximum likelihood, from moments, or from the percentage uninfec ... | 1999 | 10696405 |
| case 20: biliary ascariasis. | | 2000 | 10715056 |
| the distribution of helminth infections along the coastal plain of kwazulu-natal province, south africa. | the results of a previous study indicated that, in the province of kwazulu-natal, south africa, necator americanus and strongyloides stercoralis were endemic to the coastal lowlands only. the prevalences of these helminths, as well as those of trichuris trichiura and ascaris lumbricoides, have now been investigated along a 1000-km-long transect through the coastal plain, at altitudes of < 300 m, from the mozambique border (26 degrees 57's) to the border with eastern cape province (30 degrees 53' ... | 1999 | 10715680 |
| the aba-1 allergen of ascaris lumbricoides: sequence polymorphism, stage and tissue-specific expression, lipid binding function, and protein biophysical properties. | the aba-1 protein of ascaris lumbricoides (of humans) and ascaris suum (of pigs) is abundant in the pseudocoelomic fluid of the parasites and also appears to be released by the tissue-parasitic larvae and the adult stages. the genes encoding the polyprotein precursor of aba-1 (aba-1) were found to be arranged similarly in the two taxa, comprising tandemly repeating units encoding a large polyprotein which is cleaved to yield polypeptides of approximately 15 kda which fall into 2 distinct classes ... | 2000 | 10726282 |
| radiological demonstration of ascaris in esophagus. | | 1999 | 10745374 |
| [intestinal parasites in school children at a public institution in maracaibo municipality, venezuela]. | to determine the prevalence and epidemiological parameters of intestinal parasites in schoolchildren, a faecal analysis was performed in 349 individuals of both sexes, between 5 and 16 years of age. the methodology used included, a fresh test, formol-ether technique and faecal egg counts by the kato-katz method. eighty three per cent of the children presented enteroparasites, with a high prevalence of polyparasitism (71.6%). there was not significative difference between parasitoses, sex and age ... | 2000 | 10758698 |
| taenia saginata. | | 2000 | 10766590 |
| multilocular pyogenic hepatic abscess complicating ascaris lumbricoides infestation. | a 74-year-old man was admitted to our hospital with frequent right flank pain. the multiple multilocular hepatic abscesses were revealed by computed tomography. radiographs following a barium meal showed a linear filling defect in the ileum consistent with ascariasis. one day after treatment with pyrantel pamoate, an ascaris was passed in the stool. the pyogenic hepatic abscesses gradually healed with both antibiotics and continuous drainage. after 2 months, he was discharged. in this case, the ... | 2000 | 10772125 |
| an epidemiological survey on intestinal parasite infection in khammouane province, lao pdr, with special reference to strongyloides infection. | to estimate the current prevalence of intestinal helminth infection in lao pdr, a parasitological survey was conducted in three villages in khammouane province in december 1996, with special reference to strongyloides infection. a total of 669 fecal samples were collected in the villages and examined by agar-plate culture method and kato-katz thick smear method. intestinal helminths were demonstrated in 82% of the samples as follows: ascaris lumbricoides (30.5%), trichuris trichiura (23.7%), hoo ... | 1998 | 10772552 |
| ascariasis, trichuriasis, and growth of schoolchildren in northeastern peninsular malaysia. | a study to determine the effect of antihelminthic treatment on growth and nutritional status was undertaken on 103 children in the second grade of primary school, 71 of whom were found to be infected with ascaris lumbricoides or trichuris trichiura. the median ascaris and trichuris intensities in the infected group were 19,600 (range; 0-488,000) and 2,800 (range; 0-84,600) eggs per gram of feces respectively. forty-three children harbored both types of worm. fourteen weeks after two 400 mg doses ... | 1998 | 10772554 |
| [granulomatous peritonitis from ascariasis: apropos of 1 case in a benin child]. | we report a case of granulomatous peritonitis in a child, due to ascaris lumbricoïdes eggs. a 6 year-old child was admitted to the emergency ward with acute abdomen pain. upon performing a laparotomy, severe adhesive inflammation and adenopathies were found and abdominal tuberculosis was diagnosed. specific treatment was administered. later, the acurage diagnosis of ascaris ova peritonitis was made by histopathological examination of tissue removed during the operation. the pathogenesis is brief ... | 2000 | 10774489 |
| quantitative assessment of ascaris lumbricoides infection in school children from a slum in visakhapatnam, south india. | an epidemiological study was conducted on 217 school children aged between 7-13 years, from relliveedhi a slum in visakhapatnam, andhra pradesh, south india, during august 1993 to august 1994. the children belonged to a socioeconomically backward community-parental occupation being fishing or waged labor. intensity and prevalence estimations for ascaris lumbricoides were done indirectly by formalin-ethyl-acetate sedimentation technic and directly by worm expulsions following albendazole administ ... | 1999 | 10774672 |
| palmar pallor as an indicator for anthelminthic treatment among ill children aged 2-4 years--western kenya, 1998. | infections with the soil-transmitted intestinal helminths (i.e., ascaris lumbricoides, trichuris trichiura, and hookworm), estimated to affect approximately 1 billion persons, are among the most common and widespread human infections. among children aged <5 years, intestinal helminth infections cause malnutrition and anemia, two important causes of mortality. anthelminthic treatment (deworming) improves nutritional status of school-aged children. the world health organization and the united nati ... | 2000 | 10778792 |
| the link between helminthic infection and atopy. | | 2000 | 10782074 |
| effect of parasite screening on refugee health. | intestinal parasitic infections among refugees have been perceived as a public health problem for decades. a control program strategy to reduce morbidity and eventually transmission of intestinal parasites was initiated in 1993 by mercy international (mi) for a group of somalia refugee and has been implemented successfully. the management of the program operating within a comprehensive health care project and the control activities has been performed through the existing health facilities. this ... | 2000 | 10786014 |
| relationships between vitamin a, iron status and helminthiasis in bangladeshi school children. | to explore the relationships between biochemical indicators of vitamin a and iron status and the intestinal helminths ascaris lumbricoides and hookworm in primary school children. | 2000 | 10786727 |
| intestinal helminth infections among school children in visakhapatnam. | a study was carried out between 1993-1994 to determine the prevalence and intensity of intestinal helminth infections among 217 primary school children in relliveedhi, a slum area in visakhapatnam. the children were between 7 to 13 years of age and belonged to lower socio-economic status. stool samples collected were processed by modified formalin-ethyl acetate sedimentation technique to determine ova counts (epg). one hundred and seventy seven children were infected with one or more of the inte ... | 1999 | 10798127 |
| [the occurrence of intestinal parasites among children attending first classes of the elementary schools in poland in the school year 1997/1998]. | the studies were undertaken to: (i) evaluate the epidemiological situation of infections with intestinal parasites among seven-year-old children attending first classes of the elementary schools in 25 provinces of poland (ii) answer the question concerning an influence of the summer flood 1997 on the epidemiological situation of intestinal parasitoses in the affected regions. | 1999 | 10800571 |
| what does anisakis simplex parasitism in gastro-allergic anisakiasis teach us about interpreting specific and total ige values? | gastro-allergic anisakiasis is a mostly transitory clinical entity caused by anisakis simplex (a. simplex) and can be suspected by history and confirmed by fiberoptic gastroscopy and specific ige. | 2000 | 10804096 |
| prevalence and distribution of soil-transmitted helminth (sth) infections in urban and indigenous schoolchildren in ortigueira, state of paranà, brasil: implications for control. | soil-transmitted helminth (sth) infections represent a major public health problem in poor and developing countries. during the period september-october 1998 we conducted an epidemiological survey of sth infections in schoolchildren of an urban area (group a) and an indigenous reserve (group b), in the municipality of ortigueira, state of paranà, brazil, to assess potential benefits of mass treatment. stool samples were examined for helminth eggs by quantitative (kato-katz) technique to determin ... | 2000 | 10810031 |
| cyclospora cayetanensis in sputum and stool samples. | we report the observation of acid-fast cyclospora cayetanensis oocysts in a sputum sample. the patient, a 60 year-old, hiv negative man, was successfully treated for pulmonary tuberculosis during 1997. on february 1998, he was admitted to our center due to loss of weight, cough with purulent expectoration, dysphonia and a radiological picture of pulmonary fibrosis. bacilloscopic study of sputum (negative for acid-fast bacilli) stained with ziehl-neelsen technique showed large (8-10 microm) spher ... | 2000 | 10810327 |
| re-infection estimation of soil-transmitted helminths among slum school children in visakhapatnam, andhra pradesh. | prevalence and intensity study of soil-transmitted helminths was carried out in a primary municipal corporation school in relliveedhi, visakhapatnam, andhra pradesh. all subjects (n = 217) belonged to low socio-economic status with an age distribution of 7-13 years. reinfection study was estimated over a nine month period following treatment with albendazole administered at a single oral dose of 400 mg/child. parasites identified were ascaris lumbricoides, trichuris trichiura and hookworm. post- ... | 1998 | 10810564 |
| clinical quiz. ascaris infection. | | 2000 | 10817288 |
| health risk in agricultural villages practicing wastewater irrigation in central mexico: perspectives for protection. | 9,435 individuals participated in a cross-sectional survey in the irrigation districts of the mezquital valley (central mexico). exposure groups were: 848 households irrigating with untreated wastewater, 544 households irrigating with the effluent from a series of interconnected reservoirs, and 928 households farming with natural rainfall. the unit of analysis was the individual, and the health outcomes included diarrhoeal diseases and ascaris lumbricoides infection. water quality was assessed u ... | 2000 | 10842822 |
| prevalence of enteroparasites in a residence for children in the córdoba province, argentina. | a study of the prevalence of enteroparasites in a population belonging to a substitute home that gives shelter to orphaned and homeless children was done using conventional methods of analysis. this home is located in córdoba province, argentina, and has the following characteristics: it has nine houses located inside the main plot of ground, that shelter 139 individuals, and 25 houses outside this plot distributed randomly in unquillo city and that shelter 257 individuals. the overall parasitic ... | 2000 | 10870946 |
| [correlation between sanitation conditions and intestinal parasitosis in the population of assis, state of são paulo]. | the distribution of the most frequent enteroparasites in the population of assis, state of são paulo, was studied from 1990 to 1992. a total of 18,366 medical examinations from six sanitary care centers in the neighbourhoods of marialves, progresso, city center, xavier, fiúza and bonfim were analyzed. the general prevalence of enteroparasites was 23.3%. the most frequently found enteroparasites were: giardia intestinalis (8.7%), ascaris lumbricoides (5.5%), trichuris trichiura (2.4%) and hymenol ... | 1999 | 10881090 |
| [helminth eggs and larvae in restrooms at municipal nursery schools in sorocaba, sp, brazil, and their frequency in children feces]. | the purpose of this research was to establish a relationship between the presence of helminth eggs in the water closet elements and the frequency of these eggs in the feces of their users. 1050 kindergarten children's feces were examined by the spontaneous sedimentation method in three samples of feces, which were positive in 162 children presenting 184 eggs or helmints larvs. from the 465 water closet elements, constituted of : toilet seat, internal and external door knobs, latch, faucet handle ... | 1999 | 10881101 |
| [risk markers in subjects with high loads of ascaris lumbricoides in a rural community of the cojedes state , venezuela]. | a total of 337 individuals from a rural community of venezuela (mapurite, estado cojedes) was studied. stoll faecal examination was carried out and the total number of a. lumbricoides was recovered after the treatment of the individuals sampled with pyrantel pamoate at a dose of 10 mg/kg body weight in children and 15 mg/kg in adults. a relationship between the high worm burden condition (individuals excreting more than 10,000 epg of a. lumbricoides) and the age of the hosts was found. resulting ... | 1999 | 10883496 |
| epidemiology of infections with intestinal parasites and human immunodeficiency virus (hiv) among sugar-estate residents in ethiopia. | intestinal parasitic infections could play an important role in the progression of infection with human immunodeficiency virus (hiv), by further disturbing the immune system whilst it is already engaged in the fight against hiv. hiv and intestinal parasitic infections were investigated in 1239, randomly selected individuals, aged 15-54 years, living on a sugar estate in central ethiopia. intestinal parasites were identified in faecal samples (one/subject) using direct, concentration, and (for st ... | 2000 | 10884872 |
| [intestinal parasitosis and environmental pollution: 1343 pediatric cases in beni-mellal, morocco]. | this study was undertaken to determine the possible health risk associated with raw wastewater use in agricultural purposes, particularly, the transmission of parasite infections among children of five regions in beni-mellal, morocco. in a randomly-selected sample of 1343 children, 740 of them were from five regions using raw wastewater for agriculture, and 603 were from 4 control regions that do not practice wastewater irrigation. one or more parasite infections were identified in 50.8% of the ... | 2000 | 10894046 |
| a case report of ascariasis of the common bile duct in a patient who had undergone cholecystectomy. | this is a case report of ascariasis of the common bile duct in a 65-year-old man from colombia who had undergone prior cholecystectomy. the patient presented with postprandial epigastric pain and a 20-lb weight loss. the laboratory findings were remarkable for peripheral blood eosinophilia. the ultrasound finding was suggestive of periampullary or pancreatic neoplasm. he underwent endoscopic retrograde cholangiopancreatography with endoscopic extraction of a motile, live worm identified as ascar ... | 2000 | 10923091 |
| [acute pancreatitis caused by ascaris lubricoides]. | ascaris lumbricoides as the etiology to acute pancreatitis has never been described in denmark, whereas in india it is a common cause. in most cases symptoms lead to investigations with high diagnostic sensitivity end specificity. treatment with antihelminthics and ercp is efficient. a case of a 25 years-old pregnant woman with acute pancreatitis caused by ascaris lumbricoides is reported. | 2000 | 10925634 |