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Aportación al estudio del asma inducido por sulfitos

Authors: Navarro Pulido, Ana María;

Aportación al estudio del asma inducido por sulfitos

Abstract

Hemos realizado una revision bibliografica amplia sobre el asma inducido por sulfitos. Nos hemos detenido especialmente en los estudios sobre incidencia que arrojan resultados muy variables, debido al empleo de diferentes metodologias, que hacen dificultosa la tarea de comparar resultados. Hemos trabajado con 100 pacientes asmaticos, a los que hemos sometido a un test de hiperreactividad (thb) con metacolina, para estudiar si el grado de hiperreactividad bronquial (hb) es un condicionante a la hora de responder a un test de provocacion oral (tpo) con metabisulfito (mb) sodico. No hemos encontrado diferencias significativas entre los pacientes que reaccionaron al mb y el resto en relacion al grado de hb, ni tampoco al analizar otras caracteristicas como diagnostico, edad, sexo, tiempo de evolucion del asma y gravedad clinica. Hemos obtenido seis respuestas positivas, con una incidencia del 6%. La muestra estaba compuesta por 50 asmaticos extrinsecos y otros 50 intrinsecos, con una incidencia en cada grupo del 2% y 10%. Respectivamente ninguno de ellos presentaba test cutaneos positivos con mb. En nuestra experiencia, la respuesta clinica no es un parametro fiable a la hora de considerar un test como positivo. Toda sospecha clinica de intolerancia a sulfitos debe ser verificada mediante un tpo, ninguno de nuestros pacientes referia una historia sugestiva de intolerancia a sulfitos contenidos en farmacos. Gracias al empleo de un metodo doble ciego controlado con placebo, hemos identificado 3 respuestas falsamente positivas en el tpo.

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citations
The total number of citations received by all articles of the researcher of interest.
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
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Spanish Research Portal