08/02/2016 13h40 - Actualizado 8/02/2016 13h40

casos de dengue pueden haber sido mucho mayor que lo reportado

Los investigadores estiman que cada 12 casos de dengue, solamente 1 Entró en los Boletines Oficiales.
foto: reproducción
foto: reproducción

Un estudio publicado en la revista del Centro de febrero por el Control y Prevención de Enfermedades, vinculado al gobierno de EE.UU., un equipo de investigadores brasileños sugiere que los datos oficiales sobre los casos de dengue en Brasil se denuncian.

Los investigadores estiman que cada 12 casos de dengue, solamente 1 Entró en los boletines oficiales de Registro de Enfermedades del gobierno federal en el período analizado.
Según el estudio, la discrepancia es aún mayor en los meses en que la transmisión del virus es baja: de cada 17 diagnósticos realizados por los científicos, solamente 1 Se informó que el gobierno en este periodo.

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El grupo llegó a esta conclusión después de analizar 3,8 miles de casos de pacientes que fueron ingresados ​​en una unidad de salud pública de Salvador (BA), entre enero 2009 y diciembre 2011, con alta fiebre informe, uno de los síntomas de dengue.

Después de hacer dos análisis de sangre con quince días de diferencia en cada participante, los investigadores detectaron el virus del dengue en 997 casos. Sin embargo, esa cantidad, solamente 57 Fueron registrados en el Sistema de Información de Enfermedades de Declaración Obligatoria (SINAN), Ministerio de Salud. O sea, menos de 6% del dengue casos entraron en el radar federal.

peor, de más de 70% casos que la prueba era negativa para el dengue, 26 Según los informes, el Ministerio de Salud como portadores de la enfermedad.

La clave de tal discrepancia puede ser en la forma diagnósticos están cerrados en Brasil, segundo informe del coordinador del estudio, Guilherme de Sousa Ribeiro, profesor de la Universidad Federal de Bahía e investigador de la Fiocruz, el diario El País.

No se requieren pruebas de laboratorio para determinar si una persona tiene o no el dengue - tanto es así que en cuatro participantes en la encuesta que reportaron fiebre, sólo uno fue sometido a pruebas de laboratorio, además de los ofrecidos por la búsqueda.

"El subregistro de casos de dengue se ha atribuido a la detección pasiva, no identificar las personas que no buscan atención médica. Se demuestra que también la supervisión no pudo detectar casos de dengue en pacientes sintomáticos que buscan ayuda médica ", Según un estudio,.

Entre las medidas propuestas por el grupo para reducir el subregistro es la aplicación de la prueba rápida del dengue en todos los pacientes con síntomas - método no está disponible en la red pública.

"Dada la reciente aparición del virus Chikungunya y Zika, Se necesitan mejoras en el diagnóstico y vigilancia de laboratorio para evitar errores de clasificación y manejo de los casos ", afirma o texto.

El año pasado, Brasil rompió diagnósticos récord de personas infectadas con el virus del dengue. Eran más de 1,6 millón de casos confirmados.

fuente: Exame.com

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