A. Lalario, M. Rossi, Valentina Allegro, G. Gagno, Maria Perotto, A. de Luca, Marco Merlo, G. Sanna, G. Sinagra
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Abnormal conduction-induced cardiomyopathy: a poorly explored entity
A dyssynchronous biventricular activation, which can be determined by left bundle branch block, chronic right ventricular pacing, frequent premature ventricular complexes, or pre-excitation, can cause a global abnormal contractility, thus leading to systolic dysfunction and left ventricular remodelling in a unique nosological entities: abnormal conduction-induced cardiomyopathies. In this clinical scenario, the mainstay therapy is eliminating or improving LV dyssynchrony, removing the trigger. This usually ensures the improvement and even recovery of cardiac geometry and left ventricular function, especially in the absence of genetic background. A multidisciplinary approach, integrating advanced multimodal imaging, is essential for the systematic aetiological definition and the subsequent evaluation and aetiology-guided therapies of patients and their families. This review aims to describe mechanisms, prevalence, risk factors, and diagnostic and therapeutic approach to the various abnormal conduction-induced cardiomyopathies, starting from reasonable certainties and then analysing the grey areas requiring further studies.
期刊介绍:
The European Heart Journal Supplements (EHJs) is a long standing member of the ESC Journal Family that serves as a publication medium for supplemental issues of the flagship European Heart Journal. Traditionally EHJs published a broad range of articles from symposia to special issues on specific topics of interest.
The Editor-in-Chief, Professor Roberto Ferrari, together with his team of eminent Associate Editors: Professor Francisco Fernández-Avilés, Professors Jeroen Bax, Michael Böhm, Frank Ruschitzka, and Thomas Lüscher from the European Heart Journal, has implemented a change of focus for the journal. This entirely refreshed version of the European Heart Journal Supplements now bears the subtitle the Heart of the Matter to give recognition to the focus the journal now has.
The EHJs – the Heart of the Matter intends to offer a dedicated, scientific space for the ESC, Institutions, National and Affiliate Societies, Associations, Working Groups and Councils to disseminate their important successes globally.