This review highlights the potential of non-invasive imaging and electrocardiographic measures to improve arrhythmic risk stratification beyond LVEF in patients with dilated cardiomyopathy.
Should not yet alter ICD decisions in dilated cardiomyopathy; leaves open prospective validation of imaging and ECG markers.
Malignant ventricular arrhythmias are a major adverse event and worsen the prognosis of patients affected by ischemic and non-ischemic dilated cardiomyopathy. The main parameter currently used to stratify arrhythmic risk and guide decision making towards the implantation of a cardioverter defibrillator is the evaluation of the left ventricular ejection fraction. However, this strategy is characterized by several limitations and consequently additional parameters have been suggested in order to improve arrhythmic risk stratification. The aim of this review is to critically revise the prognostic significance of non-invasive diagnostic tools in order to better stratify the arrhythmic risk prognosis of dilated cardiomyopathy patients.
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Massimo Iacoviello (2014) studied this question.
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