Determinación de enteroparásitos en lechuga Lactuca sativa en fincas dedicadas a su producción en Pasto, Nariño, Colombia.

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Title:	Determinación de enteroparásitos en lechuga Lactuca sativa en fincas dedicadas a su producción en Pasto, Nariño, Colombia.
Alternate Title:	Enteroparasites determination in lettuce Lactuca sativa in farms dedicated to its production in Pasto, Nariño, Colombia.
Authors:	Andrés Polo, Giovanni¹, Janneth Benavides, Carmenza¹, Manuel Astaiza, Juan¹, Antonio Vallejo, Darío¹ dariovallejo1@gmail.com, Betancourt, Patricia¹
Source:	Biomédica: Revista del Instituto Nacional de Salud. dic2016, Vol. 36 Issue 4, p2-36. 35p.
Abstract (English):	Introduction: Currently, vegetables such as lettuce are widely recommended as part of the daily diet for its high nutritional value; however, while consumers feel attracted to the benefits provided by the vegetable, they may also be exposed to parasitic intestinal infections. Objective: To determine the presence or absence of enteroparasites in lettuce (Lactuca sativa) grown in the rural area from the municipality of Pasto and analyze associated factors related to the characterization of the farms. Materials and methods: A descriptive double blind cross-sectional study was conducted. 105 samples from a total of 21 properties in the period from June to December 2013 were taken and processed by sedimentation and flotation tests. Additionally, the owners were surveyed in order to obtain information about the possible variables influencing on the occurrence of enteroparasites. Results: The contamination of the 100% lettuce samples was detected, which had parasitic structures depicted as eggs and larvae corresponding to 95.25% with Entamoeba sp.p cysts, 71.43% with Isospora spp. oocysts, 61.90% with larvae (L3) of Strongyloides stercoralis, 28.57% with Toxocara spp. eggs; and 4.76% with oocysts of Eimeria spp. In the associated factors through chi-squared test, relationships were found between Entamoeba spp. with ditch (p= 0.008), dogs (p= 0.008) and septic tank (p= 0.008); Isospora spp. with composting (p= 0.0001), dogs (p= 0.0001) and slugs (p= 0.002); Strongyloides stercoralis with handling (p= 0.003) and Toxocara spp. with no use of biodigesters (p= 0.002). Conclusions: There is contamination of lettuce enteroparasites from growing areas in the municipality of Pasto which come from animal and human sources as their main reservoirs, and others present in the environment. [ABSTRACT FROM AUTHOR]
Abstract (Spanish):	Introducción. Actualmente las verduras, como la lechuga, se recomiendan ampliamente como parte de la dieta diaria por su gran aporte nutricional, sin embargo, los consumidores al sentirse atraídos por los beneficios proporcionados por la hortaliza, están expuestos a infecciones con parásitos intestinales. Objetivo. Determinar la presencia o ausencia de enteroparásitos en la lechuga (Lactuca sativa) cultivada en la zona rural de municipio de Pasto y analizar factores asociados previa caracterización de los predios. Materiales y métodos. Se realizó un estudio transversal doble ciego de tipo descriptivo. Se tomaron 105 muestras de 21 predios en el periodo de junio a diciembre de 2013 y se procesaron mediante pruebas de flotación y sedimentación. Adicionalmente, se encuestó a los propietarios para obtener información sobre las posibles variables que influyen en la aparición de enteroparásitos. Resultados. Se encontró contaminación del 100% de las muestras, las cuales presentaban estructuras parasitarias representadas en huevos y larvas correspondientes al 95,25% con quistes de Entamoeba spp., 71,43% con ooquistes de Isospora spp., 61,90% con larvas (L3) de Strongyloides stercoralis, 28,57% con huevos de Toxocara spp. y 4,76% con ooquistes de Eimeria spp. En los factores asociados mediante la prueba de Ji cuadrado, se encontró relación entre Entamoeba spp. con acequia (p= 0,008), perros (p= 0,008) y pozo séptico (p= 0,029) Isospora spp. con compostaje (p= 0,0001), perros (p= 0,0001) y babosas (p=0,002); Strongyloides stercoralis con manipulación (p= 0,003) y Toxocara spp. con el no uso de biodigestores (p= 0,002). Conclusiones. Existe contaminación de la lechuga por enteroparásitos en las áreas de cultivo del municipio de Pasto, los cuales provienen de fuentes animales y humanas como sus principales reservorios, y otros están presentes en el medio ambiente. [ABSTRACT FROM AUTHOR]
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Database:	MedicLatina

Description
Abstract:	Introduction: Currently, vegetables such as lettuce are widely recommended as part of the daily diet for its high nutritional value; however, while consumers feel attracted to the benefits provided by the vegetable, they may also be exposed to parasitic intestinal infections. Objective: To determine the presence or absence of enteroparasites in lettuce (Lactuca sativa) grown in the rural area from the municipality of Pasto and analyze associated factors related to the characterization of the farms. Materials and methods: A descriptive double blind cross-sectional study was conducted. 105 samples from a total of 21 properties in the period from June to December 2013 were taken and processed by sedimentation and flotation tests. Additionally, the owners were surveyed in order to obtain information about the possible variables influencing on the occurrence of enteroparasites. Results: The contamination of the 100% lettuce samples was detected, which had parasitic structures depicted as eggs and larvae corresponding to 95.25% with Entamoeba sp.p cysts, 71.43% with Isospora spp. oocysts, 61.90% with larvae (L3) of Strongyloides stercoralis, 28.57% with Toxocara spp. eggs; and 4.76% with oocysts of Eimeria spp. In the associated factors through chi-squared test, relationships were found between Entamoeba spp. with ditch (p= 0.008), dogs (p= 0.008) and septic tank (p= 0.008); Isospora spp. with composting (p= 0.0001), dogs (p= 0.0001) and slugs (p= 0.002); Strongyloides stercoralis with handling (p= 0.003) and Toxocara spp. with no use of biodigesters (p= 0.002). Conclusions: There is contamination of lettuce enteroparasites from growing areas in the municipality of Pasto which come from animal and human sources as their main reservoirs, and others present in the environment. [ABSTRACT FROM AUTHOR]
ISSN:	01204157