PO-626-04 THE PERI-INFARCT “GRAY ZONE” OF MYOCARDIAL FIBROSIS IS A BETTER PREDICTOR OF VENTRICULAR ARRHYTHMIAS THAN DENSE CORE FIBROSIS IN PATIENTS WITH PREVIOUS MYOCARDIAL INFARCTION

Pedro Lopes,Gonçalo Cunha,Pedro Freitas,Bruno Rocha,Francisco Albuquerque,Daniel Gomes,Mariana Paiva, Rita Amador,Daniel Jorge Matos,Gustavo Rodrigues,João Carmo,Maria Salomé Carvalho, Pedro Miguel Galvão Galvao Barata Pereira,FRANCISCO Moscoso COSTA,Pedro Carmo,Sara Guerreiro,Diogo M. Cavaco,João Abecasis,Francisco B. Morgado,Miguel Mendes,António Ferreira,Pedro Adragao

Heart Rhythm（2022）

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摘要

Current sudden cardiac death (SCD) risk stratification relies heavily on left ventricular ejection fraction (LVEF), but markers to refine risk assessment are needed. Dense core fibrosis (DCF) and peri-infarct “gray zone” of myocardial fibrosis (GZF) on late gadolinium enhancement (LGE) cardiac magnetic resonance (CMR) have been proposed as arrhythmogenic substrates.

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