ArticleJornal brasileiro de nefrologia
Presence of Cryptosporidium spp and other enteroparasites with pathogenic potential in hemodialysis patients: an open controlled study.
Article in Jornal brasileiro de nefrologia. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Opportunistic Coccidiosis in Brazil: Diagnostic Challenges and Epidemiological Gaps in Immunosuppressed Groups.Journal of tropical medicine · 2026Review
- Epidemiology of Human Cryptosporidiosis in Brazil: A Systematic Review HighlightingTropical medicine and infectious disease · 2025Review
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5 authors.
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Abstract
introductionThe World Health Organization (WHO) points out that infection by enteroparasites can affect ~3.5 billion people around the world. Hemodialysis (HD) patients may be more susceptible to infections by opportunistic pathogens due to impaired immune function. We evaluated enteroparasite infection in a sample of HD-patients from two dialysis centers and in a control group.
methodsFecal samples were processed using the Hoffmann-Pons-Janner, Ritchie, Willis, and Rugai techniques. Patients with kidney failure from two dialysis centers undergoing HD for more than 3 months were included. The control group consisted of relatives of the patients without overt CKD. The TaqMan PCR and multiplex real-time PCR were carried out for detection of Cryptosporidium spp. and C. parvum and to differentiate the Entamoeba (E.) histolytica/E. dispar complex, respectively.
resultsA total of 97 HD patients and 42 controls were enrolled in the study. Fifty (51.5%) fecal samples from the HD group were positive for enteroparasites, as were 26 (61.9%) from the control group (P = 0.260). S. stercoralis was the single helminth detected and was only present in HD-patients. Coproscopy detected seven positive samples for the E. histolytica/E. dispar complex, three from HD patients and four from controls: by PCR, all samples were positive for the non-pathogenic E. dispar. Safranin-stained fecal smear slides were all negative for Cryptosporidium spp. However, by PCR, amplification for Crypstosporidium spp. was seen in six samples, all from the HD patients. Two of the species were classified as C. hominis by PCR-RFLP.
conclusionsEnteroparasite infection as detected by traditional techniques were not more prevalent in HD patients, but S. stercoralis was only found in these patients. It is noteworthy that Cryptosporidium spp. infection, also affecting only HD patients, could only be detected by molecular biology techniques.
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