2003
DOI: 10.1590/s0102-311x2003000600016
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Prevalencia de Blastocystis hominis en vendedores ambulantes de comida del municipio Caroní, Estado Bolívar, Venezuela

Abstract: A cross-sectional survey was conducted to determine the prevalence of Blastocystis hominis infection in a random sample of apparently healthy food handlers. A total of 415 individuals attending the Manoa Urban Outpatient Clinic (Caroní Municipality, Bolívar State, Venezuela)

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Cited by 14 publications
(14 citation statements)
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“…In the present study, although nonpathogenic parasites occurred in a significantly higher proportion, human pathogenic species such as Entamoeba histolytica/dispar, Giardia duodenalis, Strongyloides stercoralis, Ascaris lumbricoides and hookworms were also found, as also observed by different investigators 4,13,19,20,21 . The majority of the individuals that are infected with E. histolytica/dispar and G. duodenalis are asymptomatic, and eliminate large quantities of cysts that remain viable for long periods of time in the environment, contaminating water and food.…”
Section: Discussionsupporting
confidence: 85%
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“…In the present study, although nonpathogenic parasites occurred in a significantly higher proportion, human pathogenic species such as Entamoeba histolytica/dispar, Giardia duodenalis, Strongyloides stercoralis, Ascaris lumbricoides and hookworms were also found, as also observed by different investigators 4,13,19,20,21 . The majority of the individuals that are infected with E. histolytica/dispar and G. duodenalis are asymptomatic, and eliminate large quantities of cysts that remain viable for long periods of time in the environment, contaminating water and food.…”
Section: Discussionsupporting
confidence: 85%
“…According to NOLLA & CANTOS 13 , although E. nana and E. coli are not pathogenic in humans, their high rate of occurrence in food handlers is worrisome because these are risk groups for transmitting other pathogenic species. B. hominis, although its pathogenicity is controversial, was the third most frequent species, and it is often reported in food handlers 2,13,19 . The high prevalence of this species in mobile vendors may be partly related to the fact that B. hominis has low host specificity and is spread by digestive secretions and excretions of birds and mammals, to geographical factors, and to still-unknown factors affecting the genetic diversity of this species 22 .…”
Section: Discussionmentioning
confidence: 99%
“…De otro lado, la incorporación de diferentes marcos conceptuales para la implementación de modelos de evaluación de impacto ambiental para la salud en América Latina durante los últimos años, según lo expone Schütz [45], ha tenido en cuenta las aplicaciones realizadas en países desarrollados a través de indicadores, y como se incorporan los marcos conceptuales en los análisis del proceso salud -enfermedad, determinado, mediado o condicionado por el ambiente. Se refiere que las principales barreras para utilizar este tipo de metodologías en el análisis ambiente-salud, es la gran dependencia de fuentes de datos secundarias y la "falta de criterios claros para desarrollar instrumentos participativos que faciliten la evaluación de problemas de salud ambiental a nivel local" [45].…”
Section: Perspectivas Metodológicasunclassified
“…Se refiere que las principales barreras para utilizar este tipo de metodologías en el análisis ambiente-salud, es la gran dependencia de fuentes de datos secundarias y la "falta de criterios claros para desarrollar instrumentos participativos que faciliten la evaluación de problemas de salud ambiental a nivel local" [45].…”
Section: Perspectivas Metodológicasunclassified
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