Publications

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
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
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
preoperative sonographic diagnosis of acute appendicitis caused by ascaris lumbricoides.	acute appendicitis caused by ascaris lumbricoides is an uncommon variant of a common disease. we describe a case in which sonography was used for preoperative diagnosis of ascaris appendicitis.	1999	9932257
ascaris-trichuris association and malnutrition in brazilian children.	this work was designed to evaluate the role of intestinal parasites on nutritional status in three rural areas of brazil. a total of 520 children aged 1-12 years were studied through a questionnaire concerning housing, socio-economic conditions and a 24-h food intake recall. measurements of weight and height were also performed, and three stool samples were collected on consecutive days for parasitological analysis. scores of the standard deviation (z-scores) for the weight-for-height and height ...	1999	9987788
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
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
natural immunity to ascaris lumbricoides associated with immunoglobulin e antibody to aba-1 allergen and inflammation indicators in children.	children putatively immune to the large roundworm ascaris lumbricoides were identified in an area of nigeria where infection is hyperendemic. immunity was associated with higher levels of serum ferritin, c-reactive protein, and eosinophil cationic protein, indicating ongoing acute phase or inflammatory processes. in contrast, children who were susceptible to the infection had little serological evidence of inflammation despite their high parasite burdens. immunoglobulin g (igg) antibody activity ...	1999	9916049
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
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
case 20: biliary ascariasis.		2000	10715056
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
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
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 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
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
[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
successful eradication of ascaris lumbricoides and hookworm infection after three repeated doses of albendazole.	three repeated orally doses of albendazole 400 mg in 6 weekly intervals were evaluated in thai hill-tribe students who had at least one kind of soil-transmitted helminths (i.e. ascaris lumbricoides, hookworm and trichuris trichiura). stool examination and parasite egg count were performed using beaver's standard direct smear method and kato-katz's cellophane thick smear method prior to treatment and then 1 month after the first, second and third dose of drug administrations. a single dose of alb ...	2000	11075978
capillaria hepatica: a spurious case with a brief review.	a 12-year-old bunun aboriginal school student in sanmin district kaohsiung county, southern taiwan, was found to have capillaria hepatica eggs in the feces during a survey on intestinal parasitic infection in 1997. moreover, this student was also infected with trichuris trichiura and ascaris lumbricoides. the c. hepatica eggs were light yellowish-brown in color, 54 (40-60) microns in length and 29 (25-35) microns in width with a 3 (3-4) microns thick shell and two colorless egg plugs 7 (5-9) x 6 ...	2000	11079295
case description of ascariasis.	ascaris lumbricoides are among the medically important worms belonging to the phylum nematoda (roundworms) that are parasites of the human gastrointestinal tract. despite current sanitation and hygiene standards in the united states, infection due to intestinal roundworms is not uncommon in children and adults. a high index of suspicion is warranted as patients may present anywhere along a spectrum of illness from asymptomatic to acutely ill. the following is a case presentation and discussion o ...	2000	11115229
geographical variation in ascaris lumbricoides fecundity and its implications for helminth control.	the observation by microscopy of nematode eggs in human faeces is used to diagnose a helminthic infection, while the concentration of those eggs is used to estimate the number of worms in the host. within a community, the prevalence of infection and the mean egg count provide useful information about the extent of a public health problem, and are being used to guide the growing efforts to control disease caused by helminths. here, andrew hall and celia holland examine data on the relationship be ...	2000	11121853
preliminary studies on antigenic mimicry of ascaris lumbricoides.		2000	11058942
[assessment of schistosomiasis and other intestinal parasitoses in school children of the bambuí municipality, minas gerais, brazil].	this work was carried out with the purpose of determining the prevalence of intestinal parasitoses in the school children of bambuí, through parasitological examinations (direct and kato-katz methods) and reevaluating the snails' breeding places described in the county. of the 2,091 school children examined, 20.1% had at least one parasitic infection. giardia lamblia, entamoeba coli, ascaris lumbricoides and hookworm are the most frequent parasites, with a prevalence of 6.2%, 6.2%, 4.8% and 1.4% ...	2000	11064579
lower hookworm incidence, prevalence, and intensity of infection in children with a bacillus calmette-guérin vaccination scar.	bacillus calmette-guérin (bcg), the most common vaccine worldwide, has broad effects on the immune system. hookworm infections are a major source of morbidity. in response to a preliminary report of bcg vaccination protection against nematodes in human immunodeficiency virus-infected adults, data from an ongoing prospective study were analyzed to determine the intensity (eggs per gram of stool), prevalence, and incidence of different helminths in children with and without a bcg vaccination scar. ...	2000	11069259
bilo-pancreatic ascaris lumbricoides infestation. endoscopic discovery and removal.	ascaris lumbricoides infestation is relatively rare in industrialized countries, and it occurs mainly in conditions in which hygiene is lacking. we describe here a case of a 39-year-old female from ex-jugoslavia affected by recurrent hepatic colic. at entry ultrasonography revealed microlithiasis in the gallbladder and widening of the pancreatic head. the subsequent ercp showed slight filling defects in the choledochus and an inflammation-like stricture of the papilla of vater, and after endosco ...	2000	11218631
geohelminthic infections associated with raw wastewater reuse for agricultural purposes in beni-mellal, morocco.	this study was undertaken to determine the possible risk associated with raw wastewater use for agricultural purposes, particularly, the transmission of geohelminthic infections among children of five regions in beni-mellal, morocco. in a randomly selected sample of 1343 children, 740 of them were from five communities using raw wastewater for agriculture, and 603 were from four control communities that do not practice wastewater irrigation. a questionnaire-interview with children and parents wa ...	2000	11227765
the prevalence of malnutrition and geo-helminth infections among primary schoolchildren in rural kelantan.	a cross-sectional study of the nutritional status of schoolchildren aged 7-10 years from the kuala betis resettlement scheme in gua musang, kelantan was done. a total of 291 schoolchildren were examined but only 183 (62.9%) fecal samples were returned for geo-helminth infection analysis. the prevalence of stunting was 40.4% and underweight was 28.4%. a total of 127 schoolchildren (69.4%) were positive for at least one of the 3 geo-helminth infections. the most common geo-helminth was ascaris lum ...	2000	11127336
strongyloides stercoralis infection and chronological changes of other soil-transmitted helminthiases in an endemic area of southern thailand.	a field survey was conducted in 4 primary schools in nakhon si thammarat province, southern thailand. by sasa modified harada-mori cultivation method, 1.8% of the schoolchildren were found to be infected with strongyloides stercoralis, and 25.1% had hookworm infection. by kato's thick smear method, the overall prevalence of soil-transmitted helminths was 46.8%, being trichuris trichiura 28.5%, hookworm 18.0%, and ascaris lumbricoides 5.7%. fecal examination, performed by kato's thick smear and c ...	2000	11127343
contamination of soil with helminth parasite eggs in nepal.	contamination of soil with helminth eggs in kathmandu valley (n=122) and outside of valley (n=34) in nepal was investigated with the use of centrifugal floatation technique using sucrose solution (sp gr 1.200). the overall soil contamination rate was 36.5% (57/156). the prevalence was uniform in kathmandu valley (36.9%) and outside of the valley (35.3%). a mean of six helminth eggs per sample were detected out of which more than half were embryonated (potentially infective). in kathmandu valley, ...	2000	11127345
socioeconomic status, clinical features, laboratory and parasitological findings of hepatic amebiasis patients--a hospital based prospective study in bangladesh.	socioeconomic status, clinical, laboratory and parasitological features of 31 hospitalized amebic liver abscess (ala) and 8 amebic hepatitis (ah) patients were studied. thirty-seven (94.9%) of the total 39 cases were from low socioeconomic class and 2 (5.1%) were from middle class (p<0.001). sixteen (51.6%) ala and 5 (62.5%) ah patients were admitted with duration of disease for 3 weeks or more. twenty-one (67.7%) ala and 3 (37.5%) ah cases gave no previous history of diarrhea or dysentery. epig ...	2000	11127347
the impact of iron supplementation on reinfection with intestinal helminths and schistosoma mansoni in western kenya.	a randomized, placebo-controlled, double-blind trial was carried out in 1994-96 among 231 children and 181 adults in order to determine the effects of iron on reinfection rates and intensities of hookworm, ascaris lumbricoides, trichuris trichiura and schistosoma mansoni. adults given 60 mg elemental iron twice-weekly for 12 months had significantly lower reinfection rates of a. lumbricoides (16.7% vs 31.9%, p = 0.046), t. trichiura (6.9% vs 20.6%, p = 0.03) and s. mansoni (38.3% vs 61.8%, p = 0 ...	2000	11132373
the epidemiology of schistosomiasis mansoni and soil-transmitted helminths in elementary school children from the south gondar zone of the amhara national regional state, ethiopia.	in a cross-sectional survey undertaken in 22 communities of 6 districts in the south gondar zone of the amhara national regional state, 2279 school children had their stools examined for schistosomiasis mansoni and soil-transmitted helminths using the kato-katz technique. overall the prevalence rates were 16.4%, 28.9%, 9.5% and 12.9% for s. mansoni, a. lumbricoides, t. trichiura and the hookworms, respectively. s. mansoni infection was registered from 14 of the 22 communities, in more than 60% o ...	2000	11144882
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
[parasitologic diagnosis. ascaris lumbricoides].		2000	10925640
[maternal and child intestinal parasitism and breast-feeding].	from march to may 1991, the prevalence of intestinal parasites was detected in 208 children under two-year old, from out patients attending the public health service in rio de janeiro. maternal parasitic infection was simultaneously investigated. information regarding nurseling's breast-feeding and enteroparasites rates was also recorded. the centrifugal-sedimentation was the method used for stool analysis. positivity was observed in 12.7% for children and 37.3% for women. ascaris lumbricoides w ...	2000	10936951
urban/rural differences in prevalence and risk factors for intestinal helminth infection in southern malawi.	urbanization may increase the risk of human infection with intestinal helminths. a cross-sectional survey was conducted to investigate the prevalence, intensity and potential risk factors of acquiring such infection, among children aged 3-14 years in similar urban and rural communities in southern malawi. stool samples were collected from 553 children (273 urban and 280 rural). the overall prevalence of helminth infection was significantly higher in the urban subjects than in the rural (16.5% v. ...	2000	10945048
liver pseudotumor: a rare manifestation of hepatic granulomata caused by ascaris lumbricoides ova.	a rare case of hepatic granulomata caused by ascaris lumbricoides ova is reported. the patient presented clinically with hepatic mass simulating malignancy, and final diagnosis was performed after surgery, which provided enough material for histopathological examination.	2000	10950065
albendazole treatment of children with ascariasis enhances the vibriocidal antibody response to the live attenuated oral cholera vaccine cvd 103-hgr.	because concurrent infections with geohelminth parasites might impair the immune response to oral vaccines, we studied the vibriocidal antibody response to the oral cholera vaccine cvd 103-hgr in children infected with ascaris lumbricoides and investigated the effect of albendazole pretreatment on the postvaccination response. children with ascariasis were randomized to receive either 2 sequential doses of 400 mg of albendazole or placebo. after the second dose, cvd 103-hgr was given, and serum ...	2000	10979918
human infection with ascaris lumbricoides is associated with a polarized cytokine response.	to define the cytokine response to ascaris lumbricoides infection, the cellular immune response to adult and larval-stage ascaris antigens in young adults with moderate infection intensities (n=73) was compared with that of a group of uninfected control subjects (n=40). a. lumbricoides-infected subjects had significantly greater lymphoproliferative responses to adult and larval-stage antigens, compared with uninfected control subjects (p<.01). the frequencies of parasite antigen-stimulated perip ...	2000	10979919
a small-scale survey of intestinal parasite infections among children and adolescents in legaspi city, the philippines.	to determine the status of infection caused by intestinal parasites among children and adolescents living in legaspi city, the philippines, we performed a small survey by fecal examination for helminth ova and protozoan cysts with formalin-ether concentration method. of the 64 examinees, the infection rate was 78.1%. the infection rates of primary school children, preschool children and adolescents were 95.5%, 64.7% and 87.5%, respectively. the infection rate in urban areas was 56%, and 92.3% in ...	2000	11002656
relationships among some ascaridoid nematodes based on ribosomal dna sequence data.	the nuclear ribosomal dna (rdna) region spanning the first (its-1) and second (its-2) internal transcribed spacers was sequenced for 15 taxa of ascaridoid nematodes. the length of the its-1 and its-2 sequences in the 15 taxa ranged from 392-500 bp and 240 348 bp, respectively. while nucleotide variation of 0-2.9% in the its-1 and/or its-2 sequences was detected within taxa where multiple samples were sequenced, significantly higher level of nucleotide difference (9.4-66.6%) was detected between ...	2000	11002982
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
efficacy of mebendazole in treatment of selected parasitoses--a retrospective study.	the efficacy of mebendazole was evaluated as a result of six-year experience in the treatment of patients of outpatients clinic and clinic of infectious, parasitic and tropical diseases in lódź. the treatment covered 6132 subjects infected with: ascaris lumbricoides, ancylostoma duodenale, trichiuris trichiura, enterobius vermicularis and echinococcus granulosus. nematode infections were diagnosed by coproscopic methods whereas echinococcosis with serologic tests and ultrasonographic examination ...	2000	16886363
[co-occurrence of parasites sensu lato in alimentary tract of patients hospitalised in lower silesia].	up to now, the co-occurrence of parasites sensu stricto and fungi were confirmed mostly in the oral cavity. the aim of the present parallel parasitological and mycological investigations was to determine co-occurrence of protozoa, helminths and fungi (parasites sensu lato) both in smears from cavity and in stool samples of 93 patients undergoing the non-parasitological treatment in two hospitals of lower silesia (poland). among the examined patients parasites sensu lato (13 species) were found i ...	2000	16883695
the pattern of soil-transmitted nematode infections in primary school children of the kumba health district, south-west cameroon.	biomedical studies accompanied by a questionnaire survey were carried out on 803 pupils of classes 3, 5 an 7 attending 17 primary schools in the kumba health district to determine the prevalence of soil - transmitted nematodes and infection-associated morbidity. the prevalence rate of worms in the sample population from the questionnaire survey was 42.3% which correlates closely with 44.2% recorded for abdominal pains. the biomedical studies gave a worm infection rate of 67.1%. ascaris lumbricoi ...	2000	17650034
epidemiology of single and multiple species of helminth infections among school children in busia district, kenya.	to describe the patterns of single and multiple helminth infection in school children from busia district, kenya.	2000	12858892
intestinal parasites infestation and anemia in primary school children in gaza governorates--palestine.	a comparative study was carried out to identify the prevalence of anemia, nutritional indices and intestinal parasitic infestation in primary school children. the target population included 209 pupils aged 6-11 years, attending schools in two areas, rimal area (urban) and jabalia village (rural), in gaza governorates. prevalence of intestinal parasites was high in jabalia village (more than 53%) in comparison to rimal area (33%). the main intestinal parasites were entamoeba histolytica, giardia ...	2000	11845471
[anthelmintics as a risk factor in intestinal obstruction by ascaris lumbricoides in children].	in a retrospective study the authors analyzed the clinical records of 199 children ages one month to 16 years hospitalized, with the diagnosis of intestinal ascariasis, in the instituto nacional de pediatria of mexico from 1984 to 1999. the purpose of the study was to evaluate the use of anthelmintics drugs as a risk factor of intestinal obstruction by a. lumbricoides. two groups were made for the study: group a (n = 66) of children who presented intestinal obstruction, group b (n = 133) childre ...	2000	11757415
[granulomatous peritonitis due to ascaris lumbricoides].	ascaris lumbricoides is one of the most common and most widespread helminthic infections of humans. infection with ascaris appears to be asymptomatic in the vast majority of cases, but may produce serious pulmonary disease or obstruction of biliary or intestinal tract in a small proportion of infected people. we examined under the light of literature this case which caused the granulomatous peritonitis by ascaris, the adult worm, without any evidence of intestinal perforation.	2000	11813491
a survey on the intestinal parasites of the school children in kaohsiung county.	the present study on the prevalence of intestinal parasites infection, from september to december 1999, was conducted among school children in taoyuan hsiang, kaohsiung county. the investigated areas included three (jiannshan, shingjong and taoyuan) primary schools. the overall infection rate in 305 children determined by merthiolate-iodine-formaldehyde concentration method of stools was 17%. four confirmed species of helminthes (ascaris lumbricoides, hookworm, trichuris trichiura and hymenolepi ...	2000	11271730
ascaris lumbricoides in the lacrimal passage.	ascariasis is caused by the roundworm, ascaris lumbricoides. we report an additional case of live ascaris lumbricoides removed from the lacrimal puncta of a 10-year-old boy.	2000	11271938
prevalence of soil-transmitted helminth infections in the rural population of bali, indonesia.	the objectives of this cross-sectional study were to identify the prevalence of soil-transmitted helminth infection in the rural population of bali and its relation to age, gender, and geoclimatic conditions. the subjects of study were derived from four villages of different geoclimatic conditions, namely wet lowland, dry lowland, wet highland and dry highland, by a multistage, stratified random sampling technique, based on age and gender of the target populations. the technique of kato-katz thi ...	2000	11289000
[postoperative insufficiency of duodenal stump sutures caused by ascaris lumbricoides].	a 43 years old female patient suffered ventricular resection (billroth ii) because of tumor. on the 11. postoperative day an ascaris lumbricoides (with the length of 20 cm) was creeping out of the site of the draining tube onto the abdominal wall. enteral parasites are very rare and strange reasons for postoperative duodenal suture insufficience but our case may deserve some attention considering the well known spreading of ascaris infections.	2000	11299588
ascaris lumbricoides in the lacrimal passage.		2000	11340895
albendazole: a review of anthelmintic efficacy and safety in humans.	this comprehensive review briefly describes the history and pharmacology of albendazole as an anthelminthic drug and presents detailed summaries of the efficacy and safety of albendazole's use as an anthelminthic in humans. cure rates and 0% egg reduction rates are presented from studies published through march 1998 both for the recommended single dose of 400 mg for hookworm (separately for necator americanus and ancylostoma duodenale when possible), ascaris lumbricoides, trichuris trichiura, an ...	2000	11386684
malnutrition and parasitic helminth infections.	the global burden of disease caused by the 3 major intestinal nematodes is an estimated 22.1 million disability-adjusted life-years (dalys) lost for hookworm, 10.5 million for ascaris lumbricoides, 6.4 million for trichuris trichiura, and 39.0 million for the three infections combined (as compared with malaria at 35.7 million) (world bank, 1993; chan et al. 1994); these figures illustrate why some scarce health care resources must be used for their control. strongyloides stercoralis is the fourt ...	2000	11386688
the public health importance of ascaris lumbricoides.	numerous studies have shown that anthelminthic treatment can be effective in improving growth rates when given to malnourished children with ascariasis. recent investigations have also indicated that ascaris infections can affect mental processing in some school children. poor socio-economic conditions are among the key factors linked with higher prevalences of ascariasis, as are defaecation practices, geophagia, cultural differences relating to personal and food hygiene, occupational necessity, ...	2000	11386692
effect of intestinal helminthiasis on nutritional status of schoolchildren.	this study was conducted in a rural agricultural area in siniloan, republic of the philippines. the subjects were the school children. the nutritional status of 58 children infected with helminthiasis (ascaris lumbricoides and trichuris trichiura) was compared with that of 19 uninfected controls. prevalence of ascaris and trichuris was 40.3% and 71.4% respectively, and 36.4% of infected children had both ascaris and trichuris infections. statistically significant evidence of an adverse effect of ...	2000	11414425
anaemia among young male workers in alexandria, egypt.	in a cross-sectional survey, we investigated exposure to and the presence of factors associated with anaemia, such as socioeconomic conditions, dietary habits, intestinal parasitic infections and lead among 355 young male workers (7-19 years of age) employed in private workshops. of the total study sample, 44.5% (158 participants) were found to be anaemic. the major risk factors for anaemia were multiple parasitic infection, high intensity of parasitic (ascaris lumbricoides) infection and drinki ...	2000	12197322
status of soil transmitted helminthic infections in india--observations on sample surveys using kato-katz technique.	results of surveys conducted in eight different ecologically homogenous zones in the country, using who sampling design methodologies and kato-katz technique are presented in this communication. hilly and coastal areas had high sth prevalence ranging from 34%-36% with total epg ranging from 53,952-4,67,976. apart from this, chitradurga urban area had sth prevalence of 39.6% with epg of 81,792. however, except in few cases, in all these surveyed areas, intensity of sth infection was found to be l ...	2001	12170929
[vomiting in an immigrant during early pregnancy].		2001	12183818
the biological activity of aba-1-like protein from ascaris lumbricoides.	the elevation of non-specific ige (total ige) in ascaris infection can be seen one week after infection, and reaches a peak after approximately two weeks. it has been reported that aba-1 protein is the main constituent in the pseudocoelomic fluid of ascaris suum. to investigate the effect of the aba-1-like protein from ascaris lumbricoides (alb), the cdna was cloned by reverse transcriptase polymerase chain reaction, using original primers based on the consensus sequences of aba-1 and tba-1, tha ...	2001	12160220
intestinal helminths and schistosomiasis among school children in a rural district in kenya.	to determine the extent of intestinal schistosomiasis, ascariasis, trichuriasis and hookworm infections among school children of usigu and bondo divisions of bondo district.	2001	12002101
ordinary and opportunistic enteropathogens associated with diarrhea in senegalese adults in relation to human immunodeficiency virus serostatus.	a survey was conducted in dakar, senegal, to identify major types and prevalences of bacteria, parasites, fungi, and rotaviruses associated with diarrhea in relation to human immunodeficiency virus (hiv) serostatus with the goal to provide guidance to physicians for case management.	2001	11953215
[clinical and biological study of acute diarrhea with mixed etiology in 48 patients].	the study of incidence, clinical manifestation and treatment of acute diarrhea with mixed etiology.	2001	12092189