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Rev. cienc. salud ; 13(1): 33-44, dic. 2009. tab, graf
Article in Spanish | LILACS | ID: lil-567075

ABSTRACT

In the northern part of Chile, due to its geoclimatic characteristics, enteroparasitosis in school children is mainly due to protozoos is such as Giardiosis and Blastocystosis, and Enterobiosis among helminthic infections. During the years 2006 and 2007, we made an enteroparasitosis survey of 92 school children in grades 1 to 8 in two municipal schools of Antofagasta. The global prevalence rate of parasites and commensals was 83.69%. We found frequencies of 68.48% for Blastocystis hominis, 8.70% for Giardia duodenalis, and 23.91% for Enterobius vermicularis. The frequencies for commensals were 18.48% for Entamoeba coli, 16.30% for Endolimax nana, 5.43% for Chilomastix mesnili and 3.26% for Lodamoeba bütschlii. We conclude that the frequency of infection by parasites and commensals among school children is related to the deficient sanitary conditions present in some sectors of the city of Antofagasta, associated with socioeconomic and cultural factors of the population.


En el norte de Chile por las características geoclimáticas, las enteroparasitosis en escolares se centra principalmente en protozoosis como la Giardiosis y Blastocistosis y la Enterobiosis entre las helmintiasis. Durante los años 2006 y 2007 se encuestó enteroparasitológicamente a 92 escolares que cursaban entre 1° y 8° básico en dos escuelas municipales de Antofagasta. La tasa de prevalencia global por parásitos y comensales fue de 83,69%. Con indicadores de 68,48% para Blastocystis hominis y 8,70% para Giardia duodenalis, y de 23,91% para Enterobius vermicularis. Entre los comensales se encontró Entamoeba coli (18,48%), Endolimax nana (16,30%), Chilomastix mesnili (5,43%) y Iodamoeba bütschlii (3,26%). Se concluye que la frecuencia de infecciones por parásitos y comensales entre los escolares estaría relacionada con las condiciones sanitarias deficitarias presentes en algunos sectores de la ciudad de Antofagasta, asociadas a factores socioeconómicos y culturales de la población.


Subject(s)
Humans , Male , Female , Child , Intestinal Diseases, Parasitic/epidemiology , Students , Age and Sex Distribution , Cross-Sectional Studies , Chile/epidemiology , Enterobiasis/epidemiology , Giardiasis/epidemiology , Health Surveys , Blastocystis Infections/epidemiology , Prevalence , Socioeconomic Factors
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