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PubMedDate not supplied

[Intestinal parasitic diseases in HIV-infected patients in Uzbekistan].

Intestinal parasitic diseases were diagnosed in 100 HIV-infected patients at different stages of disease (its asymptomatic form, persistent generalized lymphoadenopathy, pre-AIDS, and AIDS) (Group 1), 100 Tashkent residents (Group 2), and 349 patients with gastrointestinal diseases, allergic dermatoses, and skin depigmentation foci (Group 3). The HIV-infected patients were found to have virtually all parasites, such as Giardia lamblia, Cryptosporidium parvum, Chilomastix mesnili, Entamoeba coli, Iodamoeba butschlii, Entamoeba histolytica/dispar, Endolimax nana, Blastocystis hominis, Enlerobius vermicularis, Ascaris lumbricoides, Hymenolepis nana, detectable in the population of Tashkent. The highest infestation with intestinal protozoa, including nonpathogenic amoebas and helmninths, was found in Groups 1 and 3. However, in all the forms of HIV infection, the infestation with E. histolytical/dispar was 10 times greater than that in Groups 2 and 3 (1% and 0.8%, respectively). G. lamblia was detected in 16, 21, and 45.2% in Groups 1, 2, and 3, respectively. In all the HIV-infected patients, the content of CD8 lymphocytes was increased, but that of CD20 lymphocytes was normal. Parasites were detectable with different levels of CD4 lymphocytes, but C. parvum was found only if its count was > 200/ml. In the HIV-infected patients, the hyperproduction of IgE was caused mainly by helminths rather than protozoa. In these patients, the increased level of IgE was also noted in the absence of parasites.

AIDS-Related Opportunistic Infections↗
PubMed1976

Clinical trial methodology in intestinal parasitic diseases.

The high prevalence of intestinal parasitic infections as an index of underdevelopment, especially in tropical countries, is related to poverty, poor housing, lack of sanitation, malnutrition, and ignorance. The effects are lowered work capacity, physical and mental retardation, leading to recurrences and exacerbations of the parasitism and malnutrition. The most prevalent parasites, methods of detection by specific tests in patients in clinical trials involving antiparasitic drugs are dealt with. How and by whom investigations of new drugs should be undertaken, the need for a basic knowledge of parasitology and techniques of the discipline, of biostatistics, and use of such controls as randomized allotment to treatment groups, placebo administration, and double-blind assessments are emphasized. The justification for undertaking an evaluation of an antiparasitic drug is predicated on the demonstration of safety in exhaustive in vitro and animal studies and of the drug's potential superiority as to efficacy and lower incidence of unwanted side effects, as compared with existing agents. Tolerance and dose-range studies should be conducted in male adult hospitalized patients under close supervision. The evaluation of amebicides in clinical trials, as well as of anthelmintics, is considered in terms of differentiation and reproductive habits of specific causative agents and tests for detecting their elimination to determine improvement under drug therapy. The problem of reinfection, particuarly of nonhospitalized patients under the adverse conditions of life, is stressed.

Amebiasis↗
PubMed1991

Incidence of intestinal parasitic disease in an acquired immunodeficiency syndrome day-care center.

In June, 1986, the Bronx Municipal Hospital Center opened an acquired immunodeficiency syndrome day-care center to provide a quality educational experience for children infected with the human immunodeficiency virus. A major concern was the possibility of increasing secondary infections among these immunocompromised children by placing them in a group environment. One particular worry was intestinal parasitic disease, a serious public health problem in day-care centers throughout the United States. To minimize the risk of parasitic infections, scrupulous hygienic and monitoring procedures were instituted at the acquired immunodeficiency syndrome day-care center. This study reports the incidence of intestinal parasitic disease at the acquired immunodeficiency syndrome day-care center during its first 40 months of operation, encompassing 669 child-months of enrollment, with 131 stool specimens examined for ova and parasites. There were 2 cases of parasitic infection: Entamoeba histolytica in an asymptomatic 6-year-old and Giardia intestinalis in a 7-year-old with diarrhea. In neither case was there any secondary spread. None of the 15 children in diapers had a positive specimen, and we found no Cryptosporidium. Our experience suggests that with appropriate precautions human immunodeficiency virus-infected children can participate in a group day-care program without excessive risk for parasitic disease. Strict adherence to hygienic procedures may also decrease the risk of intestinal parasitic disease among healthy children attending day-care centers.

Acquired Immunodeficiency Syndrome↗
PubMed2006

The distribution of the intestinal parasitic diseases in the Southeast Anatolian (GAP=SEAP) region of Turkey.

OBJECTIVES: The physical alterations put in place by the Southeastern Anatolia Project will undoubtedly provide a remarkable economical growth and a social development in the area. In addition, the influence that formation of dam ponds, enlargement of irrigation areas, change of product and the way of cultivation, urbanization and industrialization will have an impact on the environment. To minimize the adverse effects of this process on human beings, a Community Health Project was completed by the teams participated by Ege, Dicle, Gaziantep and Harran Universities under the Directorate of Turkish Parasitology Association and by Southeastern Anatolia Project Regional Development Administration between 2001 and 2003. RESULTS: To identify individuals with parasite, feces samples were taken from a total of 4,470 individuals. Parasites were found in feces of 41.8% of men, 44.3% of women and 32.2% of children, 0-59 months old, who were included in the research and gave feces samples for parasites tests. These prevalence values indicate how widespread parasitic diseases are in the region. The high prevalence of parasitic diseases in this area is one of the causes of malnutrition in 40% of children. Parasites were detected in 44.2% of feces samples taken from rural areas and in 39.5% taken from urban areas. When the distribution of parasites detected in feces samples was studied, the most common parasites were Giardia intestinalis (18.1%), Entamoeba coli (11.8%), Ascaris lumbricoides (4.8%), Trichuris trichiura (4.5%) and Hymenolepis nana (3.9%). Distribution of parasites according to cities varied widely. The most frequently seen parasites were T. trichiura in Gaziantep; G. intestinalis in Batman, Mardin, Diyarbakir, Sirnak and Sanliurfa; and E. coli in Siirt, Kilis and Adiyaman. CONCLUSIONS: This study is the first investigation of intestinal parasite prevalence in a large region, specifically, in this GAP region and in Turkey, in general. There is no direct relationship between irrigating the cultivation areas and diffusion of parasitic diseases because the existence of intestinal parasites mentioned above is not related to the range of irrigation of cultivation areas, but is related to factors already discussed.

Adult↗
PubMedDate not supplied

[Water and intestinal parasitic diseases].

The paper presents data on the rates of Lamblia cyst dissemination of surface water sources in foreign countries, the Russian Federation, Moscow, and the Moscow Region. It shows a role of drinking water in the spread of intestinal parasitic diseases. In accordance with parasitological parameters, specific data on improvement of methodological control of water quality are presented. The dosages of ultraviolet radiation are given in relation to water decontamination of parasitic disease germs.

Animals↗
PubMed1999

[Prevalence of intestinal parasitic disease in three provinces in Morocco].

A study of intestinal parasites was carried out in Taounate, Béni Mellal and Tizinit provinces in Morocco on a sample of 1682 individuals who were representative of the urban and rural area population. For each stool specimen, three microscopic examinations and a Kato test were performed. In the three provinces, about two-thirds of the study participants from rural areas and around 50% of those from urban areas had parasites. The reproducibility of the prevalence figures allowed the study results be generalized to the other provinces of the country. Among the parasite groups encountered, amoebas were the most frequent, followed by flagellates and helminths. Concerning pathogenic species, Entamoeba histolytica, in the amoebic group, was the most commonly found. All the positive cases were treated by specific medication.

Adolescent↗