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Arch. venez. pueric. pediatr ; 74(2): 10-16, jun. 2011. ilus, graf
Article in Spanish | LILACS | ID: lil-659173

ABSTRACT

La posible asociación de las parasitosis intestinales con la pobreza y el saneamiento ambiental insuficiente, hacen necesario estudiar la prevalencia de este hecho en un barrio pobre de la ciudad de Barquisimeto, Venezuela. Determinar la frecuencia de parasitosis intestinales y factores de riesgo en niños de 1 a 12 años, de una zona pobre de Barquisimeto, Venezuela, área de influencia del Ambulatorio Urbano Tipo II “Dr. Agustín Zubillaga”. Se realizó un estudio descriptivo transversal, con muestra no probabilística por conveniencia (114 niños llevados a la consulta externa del ambulatorio). Previo consentimiento informado, se realizó una entrevista y se solicitó una muestra de heces para examen directo y concentrado. Se calcularon porcentajes, proporciones, Chi cuadrado y t de Student, con intervalo de confianza de 95%. Se obtuvieron 28,9% parasitados, predominando en preescolares (33,3%), sin diferencia según sexo. Los agentes causales encontrados fueronBlastocystis hominis (22,8%), Entamoeba histolytica (5,3%), Giardia lamblia (4,4%) y Ascaris lumbricoides (1,8%). El predominio de protozoarios sobre helmintos podría deberse al uso de antihelmínticos indicados por pediatras como profilaxis y los padres por automedicación. Se encontróEndolimax nana en 11,4%, lo que es indicador de fecalismo. Se encontró asociación entre parasitosis intestinales y hacinamiento (40,5%), no así con otros factores considerados de riesgo, lo que quizás se deba a la homogeneidad de tales factores en dicha comunidad. Se concluye que hay una prevalencia considerable de parasitosis intestinales a expensas de Blastocystis hominis, asociada especialmente con el hacinamiento


The possible association of intestinal parasitism with poverty and insufficient environmental sanitation motivates the study of the prevalence of this fact in a poor neighborhood of Barquisimeto, Venezuela. To determine the frequency of intestinal parasitism and risk factors in children of 1 to 12 years of a poor zone of Barquisimeto, Venezuela, influence area of “Dr. Agustín Zubillaga” Type II Urban Ambulatory. A cross-sectional descriptive study was performed, with a non probabilistic by convenience sample (114 children attending the outpatient clinic of the ambulatory center). An informed consent was obtained, an interview was performed and a fecal specimenwas obtained for direct and concentrate analysis. Percentages, proportions, Chi square and t Student, with 95% statistical confidence interval were calculated. 28,9% of the children were parasited, predominating in pre-school age (33,3%) without sex predominance.Blastocystis hominis (22,8%), Entamoeba histolytica (5,3%), Giardia lamblia (4,4%) and Ascaris lumbricoides(1,8%) were identified. Predominance of protozoan over helminthes could be due to the use of antihelminthics prescribed by pediatricians as prophylaxis and by parents as self-medication. Endolimax nana was demonstrated in 11,4%, which suggests fecalism. Association between intestinal parasitism and overcrowding was found in 40,5% of cases, but not with other factors considered of risk, perhaps due to the homogeneity of these factors in this community. In conclusion, there is a considerable prevalence of intestinal parasitism at the expense of Blastocystis hominis, associated especially with overcrowding


Subject(s)
Humans , Male , Female , Child , Intestinal Diseases, Parasitic/diagnosis , Poverty/ethnology , Quality of Life , Social Conditions , Sanitation , Socioeconomic Factors
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