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      Influencia de las parasitosis intestinales y otros antecedentes infecciosos sobre el estado nutricional antropométrico de niños en situación de pobreza Translated title: INTESTINAL PARASITIC INFESTATION AND OTHERS INFECTIOUS BACKGROUNDS INFLUENCE IN THE ANTROPOMETRIC NUTRITIONAL STATUS OF CHILDREN IN POVERTY

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          Abstract

          Las parasitosis afectan principalmente a la población infantil de bajos recursos económicos. A fin de establecer estas asociaciones se evaluaron los antecedentes patológicos previos al estudio (diarrea, infección respiratoria superior e inferior y sarampión) en 257 niños y niñas aparentemente sanos entre 2-18 años de edad, del Sur de Valencia, Edo. Carabobo. 250 muestras de heces fueron sometidas a examen al fresco y Kato. Se determinó el estado nutricional antropométrico utilizando combinación de indicadores (dimensión corporal, composición corporal) e indicadores mixtos y por el método de Graffar-Méndez Castellano se identificó la condición socioeconómica. El análisis estadístico comprendió distribución de frecuencias y Chi2 como medida de asociación; nivel de significancia de p < 0,05. Se encontró 49,6% de niños parasitados, predominio de estratos socioeconómicos IV y V y de monoparasitismo por protozoarios. El antecedente patológico más prevalente fue infección respiratoria superior. Existió una asociación estadísticamente significativa entre antecedente de diarrea y presencia de parásitos, más específicamente entre antecedente de diarrea aguda e infestación por Giardia lamblia y Trichuris trichiura. La asociación significativa encontrada entre desnutrición, parasitosis y antecedentes de diarrea, no pudo ser demostrada cuando se discriminó por tipo de parásito y grado de desnutrición. Se evidenció un efecto deletéreo de las parasitosis sobre el estado nutricional. Los antecedentes de diarrea pueden orientar hacia el diagnóstico de parasitosis, causa importante de morbilidad infantil en comunidades en situación de pobreza.

          Translated abstract

          Parasitic infestations affect mainly infantile population of low economic resources. In order to assess this evidence, pathological antecedents of diarrhea, superior and inferior respiratory infection and measles were evaluated in 257 apparently healthy children (boys and girls) aged 2-18 from the South of Valencia city, Edo. Carabobo 250 feces samples were examinationed by fresh and Kato method. The Anthropometric nutritional status was determined by combination of indicators (corporal dimension, corporal composition) and mixed indicators. Sociodemográfic evaluation was performed by method of Graffar-Méndez. Frecuency distribution and Chi² association was measure, with a significance value of p < 0,05. It was found 49.6% of parasitic infestation with predominance of socioeconomic strata IV and V Monoparasitism and protozoa infestation were highly prevalent. Superior respiratory infection was the most frequent antecedent. A statistically significant association between diarrhea antecedents and parasite infestation, therewas more specifically between antecedent of acute diarrhea and infestación by Giardia lamblia or Trichuris trichiura. A statistically significant association was found among undernourishment, parasitism and antecedent of diarrhea, but it could not be demonstrated when discrimination by type of parasite and degree of undernourishment. Deleterious effect of parasitic infestation on the nutritional status; was found diarrhea antecedents can lead to the diagnosis, important cause of infantile morbidity in communities in poverty situation.

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          Prevalence and intensity of intestinal parasitic infections in relation to nutritional status in Mexican schoolchildren.

          Undernutrition and intestinal parasitic infections affect childhood development and morbidity in many developing countries. Undernutrition may increase susceptibility to parasitic infections which in turn impair the nutritional status of the host. The relationship between intestinal parasitic infections and nutritional status in 400 Mexican schoolchildren was investigated. More than half of the children in the study showed intestinal parasites and polyparasitism. The prevalence of helminth infections was significantly higher in Oaxaca than in Sinaloa (P < 0.05). Z scores for weight-for-age (WA) and height-for-age (HA) were much lower in children of Oaxaca than in Sinaloa (P < 0.001). A significantly higher Z score for weight-for-height (WH), WA, and HA were found in non-infected versus infected children (P < 0.05). Higher prevalences of intestinal infections were found in children with lower HA and WA than in normally nourished children (P < 0.05). Higher intensities of Ascaris lumbricoides and Trichuris trichiura were found in the schoolchildren of Sinaloa than in Oaxaca (P < 0.01). Negative and significant associations were found between Hymenolepis nana and T. trichiura infection (eggs per gram) and nutritional status. Intestinal parasitic infections may be regarded as main risk factors associated with poor nutritional status in Mexican schoolchildren.
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            Prevalencia de enteroparásitos en niños de la etnia Yukpa de Toromo, Estado Zulia, Venezuela

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              [Intestinal parasites in school children at a public institution in Maracaibo municipality, Venezuela].

              To determine the prevalence and epidemiological parameters of intestinal parasites in schoolchildren, a faecal analysis was performed in 349 individuals of both sexes, between 5 and 16 years of age. The methodology used included, a fresh test, formol-ether technique and faecal egg counts by the Kato-Katz method. Eighty three per cent of the children presented enteroparasites, with a high prevalence of polyparasitism (71.6%). There was not significative difference between parasitoses, sex and age. However, it was observed an increase of helminthiasis and protozooses in children between 7 and 10 years of age. The principal enteroparasites founded were: Trichuris trichiura (41.8%), Ascaris lumbricoides (35.2%), Blastocystis hominis (48.1%) and Endolimax nana (22.9%). When the intensity of infestation was studied by the faecal egg counts, it was observed that the highest percentage of children with T. trichiura had light infestations (84.3%), while 45.9% of the children with A. lumbricoides had severe infestations. The Abundance, Mean Intensity and Aggregation Coefficient (k) values show an over-dispersed spatial disposition of both helminths, where only few children harbour heavy burdens and eliminate a large quantity of eggs. This aggregation was higher for T. trichiura (k = 0.298) than for A. lumbricoides (k = 1.138).

                Author and article information

                Journal
                parasitol
                Parasitología latinoamericana
                Parasitol. latinoam.
                Sociedad Chilena de Parasitología (Santiago, , Chile )
                0717-7712
                December 2008
                : 63
                : 1-2-3-4
                : 12-19
                Affiliations
                [02] orgnameUniversidad de Carabobo orgdiv1Facultad Ciencias de la Salud orgdiv2Escuela de Ciencias Biomédicas y Tecnológicas Venezuela
                [01] orgnameUniversidad de Carabobo orgdiv1Facultad de Ciencias de la Salud orgdiv2Centro de Investigaciones en Nutrición Eleazar Lara Pantin (CEINUT) Venezuela lsolano@ 123456intercable.net.ve
                Article
                S0717-77122008000100003 S0717-7712(08)06300103
                10.4067/S0717-77122008000100003
                fbd57500-2956-4cf7-928b-fcfe23f93825

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 32, Pages: 8
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                SciELO Chile

                Categories
                ARTICULOS ORIGINALES

                Parasitism,diarrhea,malnutrition,poverty
                Parasitism, diarrhea, malnutrition, poverty

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