Key result
Cardiac magnetic resonance imaging plays a central role in diagnosing non-ischemic cardiomyopathy, risk stratification, and identifying arrhythmogenic scar tissue for targeted catheter ablation.
Delayed-enhanced cardiac MRI is a crucial tool for identifying and mapping arrhythmogenic scar tissue to guide catheter ablation of ventricular arrhythmias.
Supports CMR integration into NICM workflows; leaves open the need for RCTs to validate ablation guidance benefits.
Cardiac magnetic resonance imaging (MRI) has a central role in the management of patients with ventricular arrhythmias. Cardiac MRIs help to identify patients with risk for life-threatening arrhythmias. Delayed enhancement identifies scar tissue within the heart. Because scar harbors the arrhythmic substrate in patients with structural heart disease, areas of delayed enhancement can be targeted in order to eliminate ventricular arrhythmias with catheter ablation procedures. In this article, we will discuss the role of MRI in diagnosing different forms of non-ischemic cardiomyopathy and its role in risk stratification. Furthermore, we will discuss the role of MRI in imaging of the arrhythmogenic substrate in patients with structural heart disease.
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Yokokawa et al. (2012) conducted a review in Ventricular arrhythmias. Cardiac magnetic resonance imaging (MRI) was evaluated. Cardiac magnetic resonance imaging plays a central role in diagnosing non-ischemic cardiomyopathy, risk stratification, and identifying arrhythmogenic scar tissue for targeted catheter ablation.
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