| [isolation of oocysts of cryptosporidium sp. in loose stools of patients with aids and of immunocompetent children and adults in são paulo, brazil]. | on the aim of knowing better the prevalence of cryptosporidiosis in brazil, we performed a survey, in são paulo, in loose stools of patients with aids and immunocompetent children and adults. using strict methods oocysts of cryptosporidium sp. were found in 10.4% of the samples; higher rates were observed for patients with aids, and children attending day-care centers. the result observed may be considered important and indicate the need to include the search of this organism in routine stool ex ... | 1992 | 1340591 |
| [cryptosporidium parasitism in children with acute diarrhea]. | during the period from august 1987 to july 1990, 241 fecal samples collected from 1 to 48 months old children with acute diarrhea and examined in the child's institute of hospital das clínicas of faculdade de medicina da universidade de são paulo, were submitted to parasitological tests in the enteroparasitosis section of the instituto adolfo lutz. fourty two (17.43%) fecal samples showed cryptosporidium sp. oocysts by carbol-fucsin stain. parasitism by cryptosporidium sp. was more frequent duri ... | 1992 | 1342092 |
| prognostic classification for aids patients in brazil. | we studied the survival rates and the prognostic variables that corresponded to death during hospitalization in 312 aids cdc group iv patients in são paulo. discriminant analysis proved to be a good tool to perform the exploratory data analysis that guided the survival analysis groups. it selected nine variables that were important in the progress of the disease: age, time elapsed from the first manifestations of the disease, gender, infection by helminths, number of risk groups to which the pat ... | 1993 | 8254260 |
| prevalence of cryptosporidium sp. and isospora belli among aids patients attending santos reference center for aids, são paulo, brazil. | from march 1991 to february 1992, 276 stool samples from 131 patients with the acquired immunodeficiency syndrome (aids) (average, 2.1 samples per patient) and stool samples from 81 presumed immunocompetent individuals were studied for the prevalence of cryptosporidium sp. and isospora belli. the techniques employed were a modified formol-ether concentration, carbol (phenol) auramine staining, and a modified kinyoun acid-fast method. the prevalence of both coccidia among aids patients was 25.9% ... | 1993 | 8501608 |
| occurrence of cryptosporidium (apicomplexa, cryptosporidiidae) in crotalus durissus terrificus (serpentes, viperidae) in brazil. | the objective of the present study was to investigate the prevalence of cryptosporidium (apicomplexa, cryptosporidiidae) in the snake crotalus durissus terrificus (serpentes, viperidae). fifty animals were evaluated for the presence of oocysts of cryptosporidium sp. at the time of arrival and 30 and 60 days later. intestinal washings with saline solution (1% body weight), fecal samples, and organ scrapings were collected during the study. oocysts were concentrated by an ether-phosphate-buffered ... | 2002 | 12386695 |
| [prevalence of cryptosporidium sp. in institutionalized dogs in the city of são paulo, brazil]. | dogs play an important role as infection source of human cryptosporidiosis. the objective of the study was to determine the prevalence of cryptosporidium sp. in dogs as well as to compare two techniques of fecal analysis. | 2006 | 16410992 |
| detection of cryptosporidium sp. in non diarrheal faeces from children, in a day care center in the city of são paulo, brazil. | the protozoan cryptosporidium sp. has been frequently detected in faeces from children with persistent diarrhoea. this work achieved to investigate an outbreak of cryptosporidiosis, in a day care center, attending children of high socio-economic level, between 0 and six years old. the outbreak was detected through the network of public health, when stool samples, not diarrhoeic, were examined at the parasitology service of the adolfo lutz institute. among the 64 examined children, 13 (20.3%) sho ... | 2006 | 16547576 |
| occurrence of enteroparasites in day care centers in botucatu (são paulo state, brazil) with emphasis on cryptosporidium sp., giardia duodenalis and enterobius vermicularis. | the occurrence of the enteroparasites was verified in 279 children (0 to 6 years) of four municipal day cares of botucatu/sp. three samples of each child's feces were collected and processed by the methods of hoffman-pons-janner, faust and ritchie and subsequent coloration of the fecal smear by the methods of auramina-o and ziehl-neelsen modified for diagnosis of cryptosporidium sp. and graham method for diagnosis of enterobius vermicularis. of the analyzed children we verified a prevalence of i ... | 2006 | 17086314 |
| [giardiasis and cryptosporidiosis in children institutionalized at daycare centers in the state of são paulo]. | two cross-sectional studies were conducted, in 2002 (n=379) and 2003 (n=397), to estimate the prevalence of intestinal parasites among children at five municipal daycare centers in botucatu, state of são paulo. socioeconomic, sanitary and educational data were collected and parasitological tests were performed on feces. giardia duodenalis presented prevalence of 23.7% (2002) and 21.4% (2003) followed by cryptosporidium sp with 15.5% (2002) and 3.7% (2003). | 2006 | 17308708 |
| multilocus genotyping of cryptosporidium hominis associated with diarrhea outbreak in a day care unit in são paulo. | a number of species of cryptosporidium are associated with diarrhea worldwide. little data exists regarding the genotypes and species of cryptosporidium associated with cases of infections in brazil. | 2006 | 16680328 |