Alexánderson E, Cruz P, Sierra C, Talayero JA, Meave A

Idioma: Español
Referencias bibliográficas: 36
Paginas: 111-120
Archivo PDF: 449.16 Kb.

RESUMEN

El abordaje integral del paciente con cardiopatía isquémica requiere de una evaluación precisa anatomo-funcional del miocardio así como de las arterias coronarias. Actualmente los avances tecnológicos permiten la valoración de la fisiología cardiovascular mediante Tomografía por Emisión de Positrones (PET). El PET es una herramienta confiable para el estudio del metabolismo cardíaco, la perfusión miocárdica, la función ventricular, el flujo coronario, la viabilidad miocárdica y la función endotelial. Sin embargo, una de las principales limitaciones del PET radica en su baja resolución espacial. La Tomografía Computada de Corazón (TCC) es un estudio anatómico que permite cuantificar el grado de calcificación intracoronaria (índice de calcio), estudiar tanto la luz como la pared arterial, verificar la permeabilidad vascular y determinar la extensión, severidad y composición de las placas ateroscleróticas. La principal limitación de la TC es que no permite evaluar la repercusión funcional de las alteraciones anatómicas encontradas. Debido a estas características ambos métodos resultan complementarios en la evaluación del paciente isquémico. Es por ello que hoy en día se pueden encontrar equipos híbridos PET-CT que permiten evaluar en una sola exploración el estado anatómico y funcional del paciente, brindando una enorme cantidad de información útil en el diagnóstico, clasificación y pronóstico.

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