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Un nuevo estudio in vitro muestra que las gasas para heridas con plata matan organismos resistentes a múltiples fármacos


News provided by

ConvaTec

Aug 13, 2012, 10:47 ET

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- Descubrimientos publicados en el ejemplar de agosto del International Wound Journal

SKILLMAN, Nueva Jersey, 13 de agosto de 2012 /PRNewswire/ -- ConvaTec, un desarrollador y comercializador líder de tecnologías médicas innovadoras para la comunidad y el cuidado hospitalario, ha anunciado hoy los resultados de un estudio in vitro que muestran que una gasa para heridas que contiene plata icónica es capaz de matar varias cepas de organismos resistentes a múltiples fármacos (MDROs), comúnmente llamados 'superbugs'. Los resultados del estudio se publicaron en el ejemplar de agosto de la International Wound Journal.

En el estudio in vitro, se utilizaron cuatro modelos diseñados para simular estrictas condiciones clínicas para investigar la eficacia antimicrobiana de la gasa AQUACEL™ Ag. El modelo de fluido de herida simulado (SWF) se utilizó para medir la actividad antimicrobiana con el tiempo. El modelo de herida superficial colonizada simulado (SCSW) se diseñó para investigar el efecto de la conformabilidad de la gasa en la actividad de la gasa AQUACEL™ Ag. El modelo de superficie de herida colonizada simulado (SCWS) se utilizó para investigar la actividad antimicrobiana de la gasa AQUACEL™ Ag frente una variedad de MDROs sembrados en agar directamente debajo de la gasa. El modelo de biopelícula (poloxamer) e utilizó para evaluar la actividad antimicrobiana de la gasa AQUACEL™ Ag cuando cada uno de los MDROs expresó un fenotipo de biopelícula. La gasa AQUACEL™ no de plata se utilizó como un control cuando fue pertinente.(1)

Los organismos resistentes a múltiples fármacos incluyeron la Acinetobacter baumannii, el Staphylococcus aureus resistente a la meticilina asociado a comunidad y bacterias productoras de lactamasa beta de espectro ampliado. La Clostridium difficile también se incluyó porque demuestra muchas de las características vistas en MDROs y tiene evidencia de resistencia emergente.(1)

A través de todos estos métodos de prueba, las gasas AQUACEL™ Ag demostraron tener una actividad antimicrobiana consistente frente a una variedad de MDROs. Los autores concluyeron que la eficacia antimicrobiana in vitro de la gasa AQUACEL™ Ag frente a una variedad de MDROs podría indicar un beneficio clínico potencial para prevenir o controlar las infecciones de heridas endógenas donde las opciones antibióticas son limitadas y toleradas por fenotipos de biopelícula. Concluyeron que podrían también actuar como una barrera antimicrobiana para prevenir la propagación de dichos patógenos en una comunidad más amplia.(1)

Acerca de las gasas AQUACEL™ y AQUACEL™ Ag
Las gasas AQUACEL™ y AQUACEL™ Ag son gasas suaves, no tejidas y absorbentes basadas en Hydrofiber™ Technology. Utilizadas para un amplio rango de heridas crónicas y agudas de moderadas a altamente exudante, incluyendo heridas quirúrgicas, traumatismos y quemaduras, las gasas AQUACEL™ y AQUACEL™ Ag están disponibles en una variedad de formas, tamaños y formatos, incluyendo gasas de espuma, almohadillas o cinta. La gasa AQUACEL™ Ag está indicada para el tratamiento de heridas infectadas y heridas con riesgo de infección.  

Acerca de ConvaTec
ConvaTec es un destacado desarrollador y comercializador de tecnologías médicas innovadoras que ha ayudado a mejor la vida de millones de personas en todo el mundo. Con cuatro áreas clave – Cuidados Ostómicos, Terapias para Heridas, Continencia y Cuidados Críticos, y Equipos de Infusión – los productos ConvaTec apoyan a profesionales de la salud desde los hospitales hasta los centros comunitarios de salud. Para más información, por favor, visite www.convatec.com. 

Hydrofiber y AQUACEL son marcas comerciales registradas de ConvaTec Inc. en Estados Unidos.
© 2012 ConvaTec Inc.

(1) Bowler P, Welsby S, Towers V, et al. Multidrug-resistant organisms, wounds and topical antimicrobial protection. Intern Wound Jour. 2012; 9(4):387-396.

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