Journal
HEART FAILURE REVIEWS
Volume 28, Issue 1, Pages 229-240Publisher
SPRINGER
DOI: 10.1007/s10741-022-10246-6
Keywords
Non-ischemic dilated cardiomyopathy; Sudden cardiac death; Implantable cardioverter defibrillator
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Sudden cardiac death and significant ventricular arrhythmias in patients with dilated cardiomyopathy have been reduced over the past few decades due to advances in treatment. However, risk stratification and decision-making for primary prevention implantable cardioverter-defibrillator (ICD) in these patients remains challenging.
Sudden cardiac death (SCD) and significant ventricular arrhythmias in patients with dilated cardiomyopathy (DCM) have been markedly reduced over the last couple of decades as a result of the advances in pharmacological and non-pharmacological treatment. Primary prevention implantable cardioverter-defibrillator (ICD) plays an important role in the treatment of patients at risk of SCD caused by ventricular arrhythmias. However, the arrhythmic risk stratification in patients with DCM remains extremely challenging, and the decision for primary prevention ICD implantation based on left ventricular ejection fraction (LVEF) solely appears to be insufficient. This review provides an update on current evidence for primary prevention ICD implantation, arrhythmic risk stratification, and left ventricular reverse remodeling (LVRR) prediction in patients with DCM in addition to most recent guideline recommendations for primary prevention ICD implantation in DCM patients and a proposed multiparametric algorithm based on arrhythmic risk stratification and left ventricular reverse remodeling (LVRR) prediction to better identify patients who are likely to benefit from primary prevention ICD.
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