Los pacientes con placas coronarias vulnerables presentan mayores niveles séricos de metaloproteinasa-1

  1. Sánchez Elvira, G. 2
  2. Coma-Canella, I. 1
  3. Artaiz, M. 1
  4. Páramo, J. A. 1
  5. Barba, J. 1
  6. Calabuig, J. 1
  1. 1 Clínica Universitaria de Navarra
    info

    Clínica Universitaria de Navarra

    Pamplona, España

    ROR https://ror.org/03phm3r45

  2. 2 Complejo Hospitalario de Navarra
Revue:
Anales del sistema sanitario de Navarra

ISSN: 1137-6627

Année de publication: 2017

Volumen: 40

Número: 1

Pages: 35-42

Type: Article

DOI: 10.23938/ASSN.0004 DIALNET GOOGLE SCHOLAR

D'autres publications dans: Anales del sistema sanitario de Navarra

Résumé

Fundamento. Las placas ateroscleróticas que producen la mayoría de los síndromes coronarios agudos al romperse son los fibroateromas de cápsula fina, denominados placas vulnerables. Éstas pueden ser detectadas únicamente con técnicas invasivas de imagen intracoronaria. Es preciso encontrar un biomarcador no invasivo que permita identificar a los pacientes con estas placas sin necesidad de cateterismo cardiaco. La metaloproteinasa-1 es una enzima involucrada en el metabolismo de la matriz extracelular que ha sido relacionada con la ruptura de las placas ateroscleróticas. Se desconocen sus niveles séricos en pacientes con placas vulnerables. Material y métodos. Se incluyeron pacientes sometidos a cateterismo cardiaco por enfermedad coronaria estable. Se estudiaron las arterias coronarias con tomografía de coherencia óptica para detectar placas vulnerables. Se extrajeron muestras de sangre periférica y del seno coronario para analizar la concentración de metaloproteinasa-1.Resultados. Se incluyeron 51 pacientes. Trece tenían al menos un fibroateroma de cápsula fina. No se encontraron diferencias significativas en las características clínicas, perfil lipídico ni proteína C reactiva entre los pacientes con y sin placas vulnerables. Los pacientes con placas vulnerables presentaron concentraciones significativamente mayores de metaloproteinasa-1, tanto en sangre periférica (7330±5541 vs 2894±1783 pg/ml, p=0,025) como en seno coronario (6012±3854 vs 2707±1252 pg/ml, p=0,047).Conclusiones. Los pacientes con placas vulnerables presentaron niveles séricos significativamente mayores de metaloproteinasa-1. Se requieren estudios con seguimiento clínico para evaluar el valor pronóstico de la metaloproteinasa-1 sérica.

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Information sur le financement

Este trabajo se financi? parcialmente con una beca del Departamento de Salud, Gobierno de Navarra (ref 15/2008) y del Plan de Investigaci?n de la Universidad de Navarra (PIUNA).

Financeurs

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La source de données: Dialnet