Key result
Cardiac magnetic resonance imaging with active biventricular pacing is proposed as a feasible and valuable tool for optimizing cardiac resynchronization therapy and assessing non-response.
Why the study?
CMR is rarely utilized in patients with CRT due to device, programming, and scanning limitations, despite being a powerful dynamic imaging tool.
Does performing cardiac magnetic resonance with active resynchronization therapy improve imaging quality and outcomes in patients with heart failure and CRT devices?
Does performing cardiac magnetic resonance with active resynchronization therapy improve imaging quality and outcomes in patients with heart failure and CRT devices?
This review suggests that performing cardiac magnetic resonance imaging with active resynchronization therapy in CRT patients could improve imaging quality and potentially benefit research and patient outcomes.
Cardiac resynchronization therapy (CRT) is recommended in international guidelines for patients with heart failure due to important left ventricular systolic dysfunction (or heart failure with reduced ejection fraction) and ventricular conduction tissue disease. Cardiac magnetic resonance (CMR) represents the most powerful imaging tool for dynamic assessment of the volumes and function of cardiac chambers but is rarely utilized in patients with CRT due to limitations on the device, programming and scanning. In this review, we explore the known utility of CMR in this cohort with discussion of the risks and potential benefits of scanning whilst CRT is active, including a practical strategy for conducting high quality scans safely. Our contention is that imaging in patients with CRT could be improved further by keeping resynchronization therapy active with resultant benefits on research and also patient outcomes.
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Koshy et al. (2018) conducted a review in Heart failure with cardiac resynchronisation therapy. Cardiac magnetic resonance (CMR) with active biventricular pacing was evaluated. Cardiac magnetic resonance imaging with active biventricular pacing is proposed as a feasible and valuable tool for optimizing cardiac resynchronization therapy and assessing non-response.
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