Espinosa-de los Monteros LE, Jiménez-Rojas V, Aguilar-Ituarte F, Cashat-Cruz M, Reyes-López A, Rodríguez-Suárez R, Kuri-Morales P, Tapia-Conyer R, Gómez-Barreto D

Idioma: Ingles.
Referencias bibliográficas: 43
Paginas: 249-255
Archivo PDF: 210.02 Kb.

RESUMEN

Objetivo. La intención de este estudio fue determinar la prevalencia de portadores nasofaríngeos asintomáticos de Streptococcus pneumoniae, el cual es el principal factor en la transmisión de esta bacteria. Material y métodos. Los cultivos nasofaríngeos fueron realizados en niños que asisten a 32 estancias infantiles en 12 estados de México. Resultados. Streptococcus pneumoniae fue aislado de la nasofaringe de 829 (29.9%) niños de los 2 777 incluidos en el estudio con un rango de edad de 2 meses a 6 años. Todos los niños vivían en áreas urbanas y 80% permanecían más de seis horas diarias en la estancia infantil. Los serotipos de Streptococcus pneumoniae más frecuentemente identificados fueron: 19F (23%), 6B (15.6%), 23F (11.2%) y 6 A (14.9%). Treinta y seis por ciento de los aislamientos fueron susceptibles a penicilina. Conclusiones. La distribución de serotipos nos da una idea de los posibles beneficios que podrían obtenerse de la vacuna neumocóccica conjugada heptavalente.

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