[Sexually transmitted disease in men. I. Intestinal parasites and pathogenic intestinal bacteria].
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Adolescent↗
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Results for “INTESTINAL PARASITES”
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[Parasitic fauna of the intestines in man in Yugoslavia. V. Intestinal parasites in school children in Serbia].
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Animals↗
[Parasitic fauna of the intestines in man in Yugoslavia. VII. Intestinal parasites in school children in Serbia].
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Animals↗
Intestinal parasites in Indochinese immigrants.
Fifty-two percent of 419 recent Indochinese refugees, most of whom were studied because they had symptoms, signs, or hematologic findings suggestive of parasitism, had intestinal parasites. The frequency of parasitism was comparable in Vietnamese vs. other Indochinese (Cambodians and Laotians), but other Indochinese were more often found to have multiple parasites. The most common parasite in Vietnamese was Ascaris lumbricoides, hookworm was the most common parasite in Cambodians and Laotians, and opisthorchid flukes were only found in Laotians. Age and sex were not related to infection except for Giardia, which has more prevalent in children. Based on public or personal health hazards and treatability, 33% of patients had parasites judged to warrant therapy, even in a clinically normal host.
Ambulatory Care Facilities↗
[Kahmannia eliomydis n. gen., n. sp. (Nematoda: Heteroxynematidae), an intestinal parasite of Eliomys quercinus (Linnaeus, 1766)(Rodentia: Gliridae) in Minorca (Balearic Islands)].
Description of Kahmannia eliomydis n. gen., n. sp., an Heretoxynematid Nematode parasitizing the intestine of the Garden dormouse Eliomys quercinus (Linnaeus, 1766) (Rodentia: Gliridae) in the island of Minorca (Balearies). Kahmannia n. gen. is proposed to include in the Heteroxynematinae the intestinal parasites from Rodents characterized by: oral opening circular without lips; buccal capsule triangular with small oesophageal teeth; oesophagus elongated with spherical bulb with strongly developed valves, clearly individualized and separated by a well-defined oesophageal isthmus; cephalic vesicle present, with sinuous peribuccal ornamentation forming slender crown with eight digitations; cuticular striations marked; lateral and cervical alae absent; male without caudal lateral alae, without precloacal cuticular ornamentation on ventral surface and without gubernaculum, but with single spicule; and thin-shelled eggs without operculum. It is the first Nematode Oxyuroidea known parasitizing Rodents Glirimorpha.
Animals↗
Role of the employment status and education of mothers in the prevalence of intestinal parasitic infections in Mexican rural schoolchildren.
BACKGROUND: Intestinal parasitic infections are a public health problem in developing countries such as Mexico. As a result, two governmental programmes have been implemented: a) "National Deworming Campaign" and b) "Opportunities" aimed at maternal care. However, both programmes are developed separately and their impact is still unknown. We independently investigated whether a variety of socio-economic factors, including maternal education and employment levels, were associated with intestinal parasite infection in rural school children. METHODS: This cross-sectional study was conducted in 12 rural communities in two Mexican states. The study sites and populations were selected on the basis of the following traits: a) presence of activities by the national administration of albendazole, b) high rates of intestinal parasitism, c) little access to medical examination, and d) a population having less than 2,500 inhabitants. A total of 507 schoolchildren (mean age 8.2 years) were recruited and 1,521 stool samples collected (3 per child). Socio-economic information was obtained by an oral questionnaire. Regression modelling was used to determine the association of socio-economic indicators and intestinal parasitism. RESULTS: More than half of the schoolchildren showed poliparasitism (52%) and protozoan infections (65%). The prevalence of helminth infections was higher in children from Oaxaca (53%) than in those from Sinaloa (33%) (p < 0.0001). Giardia duodenalis and Hymenolepis nana showed a high prevalence in both states. Ascaris lumbricoides, Trichuris trichiura and Entamoeba hystolitica/dispar showed low prevalence. Children from lower-income families and with unemployed and less educated mothers showed higher risk of intestinal parasitism (odds ratio (OR) 6.0, 95% confidence interval (CI) 1.6-22.6; OR 4.5, 95% CI 2.5-8.2; OR 3.3, 95% CI 1.5-7.4 respectively). Defecation in open areas was also a high risk factor for infection (OR 2.4, 95% CI 2.0-3.0). CONCLUSION: Intestinal parasitism remains an important public health problem in Sinaloa (north-western Mexico) and Oaxaca (south-eastern Mexico). Lower income, defecation in open areas, employment status and a lower education level of mothers were the significant factors related to these infections. We conclude that mothers should be involved in health initiatives to control intestinal parasitism in Mexico.
Analysis of Variance↗
Incidence and epidemiology of intestinal parasites with special reference to intestinal amoebiasis and giardiasis.
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Animals↗
Hospital food handlers in Niterói, RJ, Brazil: intestinal parasitism.
A survey for intestinal parasites was carried out with food handlers from two private and three public hospitals in Niterói City, RJ, Brazil. The aim of this research was to verify the enteroparasites prevalence in this professional group. The investigation was divided in two phases. The first phase consisted of interviews with the participants; coproparasitological exams using Lutz, Faust et al. and Baermann techniques; under fingernail material analysis, using Mello et al. modified method; and educational lectures to food handlers. In the second phase, coproparasitological exams were repeated. Positive results were observed in 14.2% (17/120) and 17.1% (12/70) of the individuals in the first and second phases respectively. The most frequent parasite was Entamoeba coli, detected in 48.5% (16/33) of the samples with positive results. Under fingernail residues were observed in 19.2% (23/120) of the food handlers. E. coli cysts were found in one fingernail residue, likewise they were detected in the feces of the same food handler. Such data showed a potential transmission risk of intestinal parasites by food handling, indicating the need of adopting a diagnosis/orientation procedure as a bi-annual routine activity in hospitals, in order to improve the food service quality and population health condition.
Adult↗
Parasitological evaluation of a foodhandler population cohort in Panama: risk factors for intestinal parasitism.
A nonconcurrent, prospective intestinal parasitic disease study in a group of 200 foodhandlers employed in the Panama Canal Area was conducted in mid-1985 as part of an established occupational health medical surveillance program. The study included a review of laboratory testing (i.e., coprological exam), preexisting medical record data, and patient interview information to calculate estimates of incidence and risk factors associated with acquisition of Giardia lamblia and other protozoan/helminthic intestinal parasites. Significant increases in risk of infection were detected for specific native Indian and West Indian employee groups when compared with their Hispanic Panamanian (i.e., Latinos) or North American (i.e., U.S. born) counterparts. A three- to fourfold higher rate of infection was also documented during a one-year period when semiannual rather than annual examinations were conducted. No difference in the therapeutic efficacy of parasitological cure of Metronidazole versus Quinacrine was found when used in the treatment of individuals with asymptomatic G. lamblia infections (85% in both groups). The appropriateness of mass therapy of asymptomatically infected foodhandlers is discussed.
Adult↗
[Social determinants, feeding practices and nutritional consequences of intestinal parasitism in young children].
INTRODUCTION: Studies on intestinal intestinal parasitism in children under 2 years of age have rarely been performed. The nutritional consequences and feasibility of parasite prevention justify the current study. OBJECTIVES: The study was undertaken with 3 goals: (1) to identify the prevalence of pathogenic intestinal parasites (PIP), (2) to determine the social factors, sanitary conditions and nutritional practices that predict PIP, and (3) to evaluate PIP effects on infant nutritional status. MATERIALS AND METHODS: All mothers with children under 18 months of age and living in an urban community of coastal Colombia were invited to participate in the PIP study. A fecal sample was obtained from each of 136 children; they represented 62% of the total 7-18 month-old population in the community. Presence of intestinal parasites was identified by direct microscopy and confirmed by a concentration test (Ritchie-Frick procedure). Logistic regressions were used to predict presence of PIP. The Z scores of length-for-age (< -2 SD-chronic malnutrition) and weight-for-length (< -2 SD-acute malnutrition) and covariance analysis were done to detect associations between intestinal parasitism and nutritional status. RESULTS: Of the 136 children, 30.6% were infected; 26.2% had helminth infections (A. lumbricoides, T. trichiura, S. stercoralis), 14.9% had protozoan infections (G. lamblia) and 11.8% had mixed infections. Wasting and stunting were present in 2.9% and 12.5%, respectively. Lack of sanitary toilet facilities and low maternal education were related to mixed infections and presence of helminths (p < 0.05). Weaned children were at greater risk of mixed infections (Odds Ratio (OR) 6.5; 90% CI: 1.9-21.5) and of G. lamblia infections (OR: 2.89; 90% CI: 1.0-8.34). Children infected with T. trichiura and with mixed infections were more likely to show wasting (p < 0.05). CONCLUSION: The high infections in young children indicate that they be included in periodic antiparasitic chemotherapy. Burden of disease associated to intestinal parasitism may be reduced if breastfeeding is continued beyond 6 months of age.
Animals↗
Prevalence of intestinal parasites in Kenyans with dyspepsia.
Dyspepsia and intestinal worm infestation are both common clinical conditions in a developing country like Kenya and thus this study was designed to look at the correlation between the two in a referral gastroenterology clinic at Kenyatta National Hospital. One hundred and twenty five patients with dyspepsia had their stool, duodenal aspirate and duodenal biopsy analysed for evidence of intestinal parasites. Seven (5.6%) were found to have various types of intestinal parasites with giardia lamblia comprising 42.8% of worms isolated. 71.4% of patients with dyspepsia and worm infestation had their symptoms improved after deworming, but the low prevalence of intestinal parasite in dyspeptic patients makes routine deworming not cost effective. Stool examination had the best yield for intestinal parasites.
Adolescent↗
[Enteric parasites and AIDS in Haiti: utility of detection and treatment of intestinal parasites in family members].
Intestinal parasites and human immunodeficiency virus (HIV) are major health problems in Haiti. Both entities are known to interact strongly with cell-mediated immunity. The purpose of this study undertaken in Port-au-Prince, Haiti was to evaluate the risk of enteric parasite transmission between HIV-infected patients and family members. Routine examination of stool specimens for parasites was conducted in 90 HIV-infected undergoing treatment for intestinal disorders due mainly to Cryptosporidium sp. (62%) and 123 healthy family member volunteers. A stool sample preserved in 10% formalin solution was examined to detect protozoa (MIF, modified Ziehl-Neelsen stain, Uvibio fluorescence technique, Weber stain) and helminth ova (Bailenger technique). In addition to Cryptosporidium sp., 14 parasitic species were identified: 6 Rhizopoda, 3 Flagellata (including Giardia duodenalis), 1 Coccidia (Cyclospora cayetanensis), 3 Nematoda (mainly Ascaris lumbricoides) and 1 Cestoda (Hymenolepis nana). This is the first time that 5 protozoa, i.e., Blastocystis hominis, Entamoeba hartmanni, E. polecki, Chilomastix mesnili, and Enteromonas hominis, have been reported in Haiti. As expected, enteric parasites were less common in HIV-infected subjects undergoing medical treatment (11.1%) than in uninfected family members (41.5%) (p = 0.0000). Multiple intestinal parasitism (infection by 2 to 4 parasites) was observed in 19.5% of family members. The findings of this study indicate that detecting and treating intestinal parasites in subjects living in close contact with HIV-infected patients as well as informing family members of the importance of personal hygiene in Haiti are highly recommended measures to preserve the health of AIDS patients.
Acquired Immunodeficiency Syndrome↗
Prevalence of intestinal parasites in three socioeconomically-different regions of Sivas, Turkey.
The study was carried out to determine the prevalence of parasites in three socioeconomically-different regions (Alibaba, Esentepe, and Cayboyu) of Sivas, Turkey, to determine the most accurate method for the diagnosis of taeniasis and enterobiasis, to determine the importance of household visits in primary healthcare to control parasitic diseases, and to treat intestinal parasitic diseases in those regions. Both stool specimens and cellophane tape (CT) samples were taken from 1,864 participants during 641 household visits in the three regions. The age groups included were pre-school [(0-6 year(s)], primary school (7-15 years), and the upper age group (16 years and above). The total prevalence of intestinal parasites in the three regions was 37.2%. Eleven intestinal parasite species were detected in both stool specimens and CT samples. Giardia intestinalis and Enterobius vermicularis were the most frequent species identified in all the three regions. Region I (Alibaba) had a higher prevalence of parasites compared to the other two regions. There was no significant difference between Region II (Esentepe) and Region III (Cayboyu) in isolation of intestinal parasites. There were statistically significant differences between the age groups when the rates of parasitic infection were compared. The highest prevalence of parasitosis was observed among the age group of 7-15 years and in the socioeconomically lowest one of the three regions. While the most accurate way of diagnosis for taeniasis was the combined usage of the CT and direct preparation methods, the CT method was the best method for the diagnosis of enterobiasis. Thus, the local administrators in cities need to pay more attention to the prevention of parasitic infections along with improvements in educational, environmental and sanitary conditions.
Adolescent↗
[Epidemiology of children's intestinal parasitism in the Guadalquivir Valley, Spain].
BACKGROUND: Intestinal parasitism represents a public health problem that should be periodically assessed in each region. In the present paper, a study about prevalence of intestinal parasites, has been carried out in children from the natural region of the Guadalquivir Valley. METHODS: During the period 1994-1996, 1,917 children without symptoms, aging between 6 and 10, were studied by means of coprological analysis and Graham method, all of them living in 20 villages in the Guadalquivir valley. RESULTS: The overall prevalence of intestinal parasitism have been of 27.12%. The reported parasites and their prevalence are as follows: Enterobius vermicularis (20.44%), Giardia lamblia (5.05%), Entamoeba coli (2.45%), Endolimax nana (1.61%), Entamoeba histolytica (0.31%), Entamoeba hartmanni (0.05%), Iodamoeba bütschlii (0.05%). CONCLUSIONS: The overall prevalence of intestinal parasites is similar to that found in other spanish region, if only a little bit more favourable probably due to the long lasting drought and the improvements in health resources, no geohelminths have been detected unlike other protozoan infections, giardiasis maintains a relatively high prevalence.
Age Factors↗
Piped water supply and intestinal parasitism in Zimbabwean schoolchildren.
The prevalence of intestinal parasitism in primary schoolchildren in three areas, communal (peasant farm) lands, commercial farms and urban townships, was assessed by examination of concentrated and stained stool specimens to determine the effect of water supply on intestinal parasitism. Piped water in communal lands was associated with decreased frequency of schistosomiasis and hymenolepiasis, but not with decreased frequency of protozoa. Schistosomiasis was very common in commercial farm labour communities, particularly on farms adjoining the local river, despite the availability of stored borehole water supplied through communal taps. The prevalence of intestinal parasitism in children from urban areas with municipal water supplied to taps in each household was similar to that of children in communal areas who obtained water from surface streams. The frequency of Giardia lamblia infection was higher in urban than in rural schoolchildren, and within communal areas was higher in children with access to protected borehole water. The provision of piped water was, therefore, not found to be associated with reduced prevalence of intestinal parasitism, though additional factors such as frequency of contact with infected water, the provision of ancillary improvements and the actual usage of available water supplies would need to be more closely assessed.
Adolescent↗
Frequency of intestinal parasites in adult cancer patients in Mexico.
Approximately 28% of the Mexican population has intestinal parasites. Oncologic patients receiving chemotherapy should have a coproparasitoscopic study to avoid disseminated parasitic infections. The frequency of intestinal parasites, including Cryptosporidium and Isospora, was evaluated in 100 diarrheic (DS) and 100 formed stools (FS) from adult patients recently diagnosed with cancer, using wet mounts stained with Kinyoun, saccharose and ZnSO4 procedures stained with Lugol's iodine. Seven patients with DS and three with FS had more than one parasite. Pathogenic intestinal parasites were seen in 26% of DS and 15% of FS. Of the frequent parasites, Entamoeba histolytica was found in 12 DS and in 2 FS (p = 0.01), Giardia lamblia in three DS and six FS and Hymenolepis nana in eight DS and 10 FS. Other pathogenic parasites were found only in DS: Cryptosporidium sp. in five patients, Ascaris lumbricoides in two, Strongyloides stercoralis in two and Isospora sp. in one. Cryptosporidium and Isospora were only identified by wet mounts stained with Kinyoun while other parasites were identified by flotation procedures. Since six (3%) of our patients had coccidia, the laboratory must perform special techniques for their detection. In epidemiologic settings where there is a high prevalence of intestinal parasitic infections the coproparasitoscopic studies should be performed and antiparasitic treatment provided before starting chemotherapy.
Adult↗
Incidence of intestinal parasites in children of different socio-economic population of Dacca city.
Stool samples of 1500 children of different socio-economic status of Dacca city was examined for the presence of intestinal parasites. Samples were collected on voluntary basis which may be treated as randomised. Out of these 1500 children, 816 were male and 684 were female. The overall incidence of parasites was 65.80%, the male children slightly prepondering over the female children. Children of age group 6-10 years showed high incidence of almost all the parasites. Children of Basti area showed the highest incidence (about 90%) and most of them harboured multiple parasites. About 27.13% of infants under the age of one year (mostly from Basti area) harboured parasites. Intestinal parasites were observed that both housing and economic status played vital roles in the occurrence of intestinal parasitosis but the housing and environmental conditions were found to be in a stronger position than economic status.
Adolescent↗
Screening for intestinal parasites in recently arrived children from East Africa.
BACKGROUND: Intestinal parasitic carriage is common in East African populations with a wide spectrum of clinical severity. There are scant data on the rates of carriage in East African immigrants to Australia. This study describes the prevalence of and risk factors for intestinal parasite carriage among children recently arrived from East African countries. METHODS: Children aged 0-17 years, who attended an outpatient clinic, were born in East Africa and had immigrated since 1998 were eligible to participate. A single preserved stool specimen was collected for faecal microscopy, and blood tests were conducted for Strongyloides and Schistosoma serology, full blood examination and serum ferritin. RESULTS: One hundred and thirty-five children (median age 8.1 years, range 1.0-17.5) participated, of whom 133 (99%) provided a stool specimen. Parasites were detected in 50% of samples, and 18% of children carried a possibly pathogenic species. No child was symptomatic at diagnosis. Positive or equivocal serology occurred in 11% of children for Strongyloides and 2% for Schistosoma. Anaemia and iron deficiency were detected in 16% of all children. Those carrying an intestinal parasite were older (mean age 9.8 vs 7.4 years, P= 0.002) and less likely to be anaemic (odds ratio 0.37, 95% confidence interval 0.14-0.96) than those who were not carriers. CONCLUSIONS: Carriage of intestinal parasites is common among children from East Africa. Those carrying pathogenic organisms require treatment and follow up to ensure eradication. The results of this survey support the need for routine assessment of newly arrived immigrants from East Africa for intestinal parasites, anaemia and iron deficiency.
Adolescent↗