INFARTO AGUDO DEL MIOCARDIO CON CORONARIAS NORMALES

Yaifa Márquez Espino, Carlos Santana Santana, Ernesto Ledesma Sánchez

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El infarto agudo del miocardio (IAM), con arterias coronarias normales en la angiografía, representa un pequeño porcentaje (la incidencia varía del 1 al 12 %) de todos los pacientes con ataques isquémicos agudos1. EL corazón es un órgano totalmente aerobio, depende del aporte continuo de oxígeno para su funcionamiento; el metabolismo cardíaco debe producir fosfato de alta energía constantemente; en cada latido cardíaco, se consume hasta el 5 % del total de adenosinatrifosfato (ATP) y creatinin cinasa almacenadas en el miocardio; esta sustancia es muy limitada por la glucólisis anaerobia, por lo que es necesario un suministro incesante de oxígeno y los sustratos a través de las arterias coronarias.


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