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Arch. venez. pueric. pediatr ; 73(4): 15-19, dic. 2010. ilus, graf
Article in Spanish | LILACS | ID: lil-659152

ABSTRACT

En niños inmunodeficientes secundarios con síntomas gastrointestinales, es indispensable estudiar causas parasitarias. Caracterizar las parasitosis intestinales en preescolares y escolares inmunodeficientes secundarios, con síntomas gastrointestinales, que acuden al Hospital Universitario de Pediatría ¨Dr. Agustín Zubillaga¨, Barquisimeto-Lara. Se evaluaron 50 niños, examinando de cada uno, entre una y tres muestras de heces (directo, concentrado, Hematoxilina Férrica, Ziehl-Neelsen modificado, Quenzel, Graham y Baerman). Se calcularon porcentajes y proporciones y se utilizó Chi cuadrado y test de Fisher con intervalo de confianza estadística de 95%. Se encontró parasitada 68,00% de la muestra, predominando en preescolares (64,70%) y en pacientes masculinos (64,70%). Dolor abdominal e hiporexia fueron los síntomas más frecuentes (34,00% cada uno). La especie predominante fue B. hominis (50,00%), seguida de G. Lamblia y Cryptosporidium sp. (41,18% cada uno), E. histolytica (20,59%), A. lumbricoides (5,88%) y Estrongiloideos (2,94%). E. vermicularis se encontró en 6,90% de 29 pruebas de Graham. La frecuencia de parasitados fue proporcional al número de muestras evaluadas. Los más afectados fueron los pacientes oncológicos (88,24%). La tinción de Ziehl-Neelsen modificado fue la única técnica que permitió demostrar Cryptosporidium sp. E. vermicularis se demostró sólo por el método de Graham. La frecuencia de parasitosis intestinales en niños inmunodeficientes secundarios fue mayor a la reportada para la población infantil, con elevada proporción de Cryptosporidium sp


In secondary immunodeficient children suffering gastrointestinal symptoms it is essential to study parasitic causes To characterize the intestinal parasitoids in secondary immunedeficient school children and preschool children with gastrointestinal symptoms attending the Pediatric University Hospital ¨Dr. Agustín Zubillaga¨ Barquisimeto-Lara. 50 children were evaluated. One to three feces samples were obtained from each children (direct, concentrate, ferric hematoxiline, modified Ziehl-Neelsen, Quenzel, Graham and Baerman). Percentage and proportions were calculated and square Chi and Fisher test used, with an interval of statistical confidence of 95%. 68.00% of the samples were parasited, mainly in preschool children (64.70%) and males (64.70%). Abdominal pain and hyporexia were the most frequent symptons (34.00% each). The predominant specie was B. hominis (50.00%), followed by G. Lamblia and Cryptosporidium sp. (41.18% each), E. histolytica (20.59%), A. lumbricoides (5.88%) and strongiloides (2.94%). E. vermicularis was present in 6.90% of 29 tests of Graham. The frequency of parasited children was proportional to the number of samples evaluated. The more affected were oncological patients (88.24%). Modified Ziehl-Neelsen stain was the unique technique that allowed to demonstrate Cryptosporidium sp. E. vermicularis was demonstrated for Graham method only. A higher frequency of intestinal parasitoses was demonstrated in secondary immunodeficient children when compared with the general children population, with a high proportion of Cryptosporidium sp


Subject(s)
Humans , Male , Female , Child, Preschool , Child , Gastrointestinal Diseases/pathology , Parasitic Diseases , Intestinal Diseases, Parasitic/diagnosis , Intestinal Diseases, Parasitic/pathology , Pediatrics , Public Health
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