Why the study?
Three-dimensional transthoracic echocardiography-derived heart models had not previously been utilized to guide catheter ablation.
Integration of 3D transthoracic echocardiography models with electroanatomic mapping systems is feasible and may offer a valuable alternative to CT or MRI for guiding catheter ablation of accessory pathways.
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3DE models may guide accessory pathway ablation; leaves open need for validation beyond single-case use.
Three-dimensional transthoracic echocardiography (3DE)-derived heart models have not previously been utilized to guide catheter ablation. In this case report, we describe the creation of a 3DE model from transthoracic echocardiography, import of the model into CARTO3, and successful use of the model as a guide during mapping and ablation of a right lateral accessory pathway. We believe this technique represents a valuable alternative to the integration of computed tomography or magnetic resonance imaging-derived anatomic data, and that it has the potential to improve the definition of the atrioventricular valve annuli during catheter ablation of accessory pathways.
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Janson et al. (2020) studied this question.
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