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Parasitol. latinoam ; 60(3/4): 122-126, dic. 2005. tab
Article in Spanish | LILACS | ID: lil-460426

ABSTRACT

The aim of the present study was to detect the presence of sanitarily important parasit es in the water from Arroyo Napostá as well as in the water used for recreational purposes (public swimming-pools) and for consumption in the city of Bahía Blanca, province of Buenos Aires, Argentina. To this end, 24,000 liters of water from different sectors of Arroyo Napostá; 2,000 liters of water from each of the three public swimming-pools of Bahía Blanca; and 8,000 liters of water for consumption were collected using polypropylene spun cartridge filters with a 1 mm porosity (Cuno Micro Wind II). Further processing was conducted following Madore´s technique (1987) modified by Pezzani (2000). Detection of Cryptosporidium sp. Giardia sp. was carried out via direct immunofluorescence. Our study confirmed the presence of the following parasites in the areas of study: Hymenolepis diminuta eggs, Giardia sp cysts, Toxocara sp eggs, Entamoeba sp cysts, Endolimax sp cysts, Nematode larvae, Trichostrongylus sp eggs, Ascaris sp eggs, and Cryptosporidium sp cysts in the water from Arroyo Napostá; Hymenolepis diminuta eggs, Giardia sp cysts, Toxocara sp eggs, Entamoeba sp cysts, Endolimax sp cysts, Nematode larvae, Trichostrongylus sp eggs, Ascaris sp in the water from swimming-pools; and Cryptosporidium sp in the water for consumption. The results from the present study urge sanitary authorities from the city of Bahía Blanca to take measures in order to prevent not only humans but also animals from getting in contact with these waters which are contaminated and dangerous to health.


El objetivo del presente trabajo fue detectar la presencia de parásitos de importancia sanitaria para el hombre, en el arroyo Napostá, en aguas recreacionales (piscinas públicas) y de consumo en Bahía Blanca (Provincia de Buenos Aires) Argentina. Se recolectaron 24.000 litros de agua de diferentes sectores del arroyo Napostá, 2.000 litros de cada una de las tres piscinas públicas y 8.000 litros de agua de consumo, mediante filtros de poro de una micra de diámetro (Cuno Micro Wind). El procesamiento posterior se efectuó siguiendo la técnica de Madore (1) modificada por Pezzani (2). La detección de Cryptosporidium sp. Giardia sp. se realizó mediante inmunofluo-rescencia directa. Las formas parasitarias observadas, fueron: huevos de Hymenolepis diminuta, quistes de Giardia sp, huevos de Toxocara sp, quistes de Entamoeba sp. Quistes de Endolimax sp, larvas de Nematodos, huevos de Trichostrongylus sp, huevos de Ascaris sp y quistes de Cryptosporidium sp. en las aguas del Arroyo Napostá; huevos de Hymenolepis diminuta, quistes de Giardia sp, huevos de Toxocara sp, quistes de Entamoeba sp. quistes de Endolimax sp, larvas de Nematodos, huevos de Trichostrongylus sp, huevos de Ascaris sp. en agua de piscina; y quistes de Cryptosporidium sp. en agua de consumo.En conclusión es necesario que las autoridades sanitarias adopten medidas tendientes a evitar que el hombre y los animales tomen contacto con estas aguas contaminadas y peligrosas para la salud.


Subject(s)
Humans , Animals , Water/parasitology , Eukaryota , Nematoda/isolation & purification , Nematoda/growth & development , Water Microbiology , Argentina , Cryptosporidium/isolation & purification , Cryptosporidium/growth & development , Drinking Water , Fluorescent Antibody Technique, Direct , Giardia/isolation & purification , Giardia/growth & development , Recreational Water
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