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Rev. cuba. med. trop ; 58(1)ene.-abr. 2006.
Article in Spanish | LILACS | ID: lil-629343

ABSTRACT

Se determinó la presencia de amibas de vida libre, y la calidad microbiológica de las aguas para la recreación del parque “Las Cocuizas” en Maracay, Venezuela, en 30 muestras de agua captadas en diferentes lugares dentro del parque. Se investigó la presencia de amibas de vida libre y otros parásitos mediante exámenes directo y por coloración. También se determinaron los recuentos de aerobios mesófilos, coliformes totales y fecales. Se observó la presencia de formas parasitarias en 15 del total de las 30 muestras; en 8 se visualizaron formas compatibles con Naegleria fowleri y en las 7 restantes otros parásitos. Del total de las muestras 37,0 % reveló un número más probable de coliformes fecales superior a 200/100 mL-1 y 33,3 % mostró contaminación fecal activa con Escherichia coli. Se evidenció que existe riesgo de contaminación por diversos microorganismos patógenos transmitidos por el agua y esto puede ser peligroso para los usuarios del parque.


The objective of this study was to determine the presence of free-living amoebae and the microbiological quality of the recreational waters of Cocuizas Park in Maracay, Venezuela. Thirty samples taken from different park sites were analyzed. The presence of free-living amoebae and other parasitic was detected by fresh mounts and specific parasitic stain slides. Mesophilic aerobic bacteria and total faecal Coliforms were also determined. Parasitic forms were observed in 15 of the 30 samples that were analyzed. Forms compatible with Naegleria fowleri were seen in eight of the samples; other parasites were observed in the remaining seven samples. 37% of the samples revealed faecal coliforms above 200/100 mL-1 and 33,3% showed an active Escherichia coli faecal contamination. These results show risk of human infection by several water-borne pathogenic microorganisms, which could be dangerous for users of the park.

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