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Inicio Enfermedades Infecciosas y Microbiología Clínica Concentraciones plasmáticas de fibronectina como marcador de evolución en paci...
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Vol. 19. Issue 3.
Pages 93-98 (March 2001)
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Vol. 19. Issue 3.
Pages 93-98 (March 2001)
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Concentraciones plasmáticas de fibronectina como marcador de evolución en pacientes sépticos
Plasmatic concentrations of fibronectin as marker of clinical course among septic patients
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Guadalupe Ruiza,1, Jorge Veigab, MaLuisa Gómez-Lusa, Santiago García-Carbajosac, José Prietoa
a Departamento de Microbiología. Facultad de Medicina. Universidad Complutense de Madrid
b Centro Nacional de Epidemiología. Madrid
c Sección de Microbiología. Servicio de Análisis Clínicos. Hospital General de Segovia. Segovia
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Introducción

El seguimiento clínico de los pacientes sépticos presenta numerosas dificultades debido a la presencia de enfermedades de base o la aparición de complicaciones. En la práctica diaria el clínico necesita conocer lo antes posible la respuesta del organismo tras la instauración de un tratamiento antibiótico empírico. Este hecho impulsa a la búsqueda constante de nuevos biomarcadores capaces de indicar o, por lo menos orientar, sobre la situación, a tiempo real, del paciente infectado.

La fibronectina es una proteína cuya concentración plasmática ha mostrado ser una buena herramienta en el diagnóstico precoz de la sepsis; por tanto, nos planteamos su posible empleo en la monitorización clínica de este tipo de pacientes.

Material

Se diseña un estudio de seguimiento de la concentración plasmática de fibronectina en pacientes sépticos ingresados en el hospital de Segovia durante los meses de febrero a agosto de 1995. Como grupos de comparación se preparan dos: uno constituido por controles de patología variada y otro de controles sanos.

Resultados

Aplicando la prueba de comparaciones múltiples de Bonferroni, se muestra que la fibronectina plasmática se comporta como un reactante negativo de fase aguda cuya concentración se mantiene prácticamente indetectable en el tiempo mientras el paciente no mejora y que cuando el tratamiento es eficaz, dos días después, ya se obtienen incrementos significativos.

Conclusiones

La concentración plasmática de fibronectina como determinación aislada o formando parte de un sistema de score podría tener utilidad en el seguimiento clínico de los pacientes sépticos.

Palabras clave:
sepsis
evolución clínica
biomarcadores
diagnóstico precoz
fibronectina
Introduction

It is difficult to follow up the patients with sepsis because of the underlying pathology or the presence of complications. The attending physician needs to know as soon as possible the response to the antibiotic therapy. Is therefore necessary to find real time biological markers that will help to understand the clinical situation of the infected patient.

It has been demonstrated that fibronectin (Fn) is an early marker of sepsis, so it seemed plausible its use in the clinical monitoring of the septic patient.

Material

We have used plasmatic concentrations of Fn in the follow up of sepic patients admitted to the Hospital de Segovia from February to August, (1995). There were two control groups: one of healthy volunteers and another of varied pathology.

Results

We have applied the multiple comparison rule of Bonferroni to demonstrate that plasma Fn is a negative acute phase reactant, with almost undetectable levels while the patient is in critical condition. An effective treatment prompts plasma Fn to rise significantly within two days.

Discussion

Plasma Fn concentration by itself or in an score system could help in the follow up of the septic patients.

Key words:
Sepsis
clinical evolution
biological markers
early marker
fibronectin
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Copyright © 2001. Elsevier España, S.L.. Todos los derechos reservados
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