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2013, Número 3

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Rev Mex Ing Biomed 2013; 34 (3)


Evaluación de la severidad de la estenosis aórtica usando resonancia magnética cardiovascular

Garcia J, Markl M, Barker AJ

Idioma: Ingles.
Referencias bibliográficas: 64
Paginas: 243-259
Archivo PDF: 683.33 Kb.


RESUMEN

La imagenología de resonancia magnética cardiovascular (RMC) se ha establecido como una importante herramienta para corroborar la severidad de la estenosis aórtica (EA) cuando el examen por ecocardiografía es contradictorio. Además, la RMC puede proveer importante información complementaria con respecto a la severidad de la EA y diversos indicadores hemodinámicos. En particular, el uso de técnicas avanzadas de flujo en 4D por RMC permite una extensiva evaluación de las complejas alteraciones de flujo provocadas por la presencia de la EA. Este artículo de revisión describe de manera detallada el valor agregado obtenido en la práctica clínica con el uso de las técnicas de medición de flujo bidimensionales, así como las técnicas avanzadas de flujo en 4D para la cuantificación y evaluación de la severidad de la EA. De igual modo, se discuten las ventajas y desventajas de los parámetros clínicos comúnmente utilizados para la estratificación de la severidad de la EA. Además, incluye una introducción a nuevos y prometedores índices hemodinámicos, discute su utilidad para la identificación de potenciales complicaciones y de progresión de la EA in vivo.


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