Why the study?
Catheter ablation of PVCs from papillary musculature is challenging due to complex anatomy and tissue contractility, and absence of arrhythmia in the lab renders conventional mapping redundant.
Noninvasive ECG imaging combined with remote magnetic navigation offers a feasible approach for ablating complex papillary muscle PVCs, particularly when arrhythmias are absent during the procedure.
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May support ablation of non-inducible papillary PVCs; leaves open prospective validation before wider adoption.
l P r e -p r o o f Key teaching points -Catheter ablation of premature ventricular contractions origination from the papillary musculature is particularly challenging given the complexity of anatomy and contractile nature of the tissue. Remote magnetic navigation could be used to overcome these challenges. -Some patients do not have any arrhythmia when presenting for ablation of ventricular arrhythmias, leaving conventional mapping methods redundant. Noninvasive electrocardiographic imaging, such as that employed with VIVO, opens up the possibility of ablating such patients in the absence of arrhythmia in the electrophysiology lab. -There is a global need for the training of more cardiac electrophysiologists.
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Griffiths et al. (2024) studied this question.
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