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Docta Complutense
Doctoral thesis . 2002
Data sources: Docta Complutense
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La fibronectina como factor de colonización en catéteres. Efecto de varios antimicrobianos

Authors: Medina Romero, María Elisa;

La fibronectina como factor de colonización en catéteres. Efecto de varios antimicrobianos

Abstract

Los avances técnicos en terapéutica conlleva un uso extensivo de dispositivos intravasculares, que junto con los enormes beneficios que supone el facilitar el acceso a la circulación sanguínea, presenta ciertos riesgos potenciales, de los cuales, la infección es el más relevante. Se sabe que las proteínas del plasma recubren los catéteres una vez introducidos en el vaso sanguíneo y puesto que en las infecciones de estos dispositivos los patógenos mas frecuentemente aislados son los estafilococos: Staphylococcus epidermidis y Staphylococcus aureus, en este trabajo se ha estudiado el papel de la fibronectina y el conjunto de las proteínas plasmáticas en la adherencia de estos microorganismos a los catéteres de vialon y teflón, comprobar la influencia de algunos parametros sobre la adherencia estilocócica al catéter y cuantificar los efectos de distintos antimicrobianos en la adherencia de S. epidermidis y S. aureus. Tras realizar dichos estudios hemos comprobado que las proteínas plasmáticas en general afectan de forma positiva la adherencia de S. aureus, por el contrario no afectan la adherencia de S. epidermidis. La fibronectina contribuye en gran manera a la adherencia de S. aureus al catéter y concentraciones subinhibidotorias de distintos antimicrobianos afectan la adherencia de S. epidermidis y S. aureus, de manera que los betalactámicos la aumentan, otros antimicrobianos como la clindamicina y norfloxacino la disminuyen, mientras que kanamicina no la modifica

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Keywords

Microbiología (Farmacia), 3302.03 Microbiología Industrial, Microbiología, 579(043.2)

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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