The Carto Merge system allows for detailed anatomical mapping and successful ablation of complex arrhythmias in congenital heart disease patients post-Fontan operation.
Carto Merge may aid ablation in complex post-Fontan anatomy; leaves open its advantage over conventional mapping in prospective studies.
Mapping and successful ablation of an intra-atrial re-entry tachycardia in a patient after Fontan operation were performed within the anatomy, superimposed from the computed tomography study. In this case, the new system enabled us to display the complex anatomy of the right atrium in detail, whereas the conventional electro-anatomic three-dimensional geometry showed significant inconsistencies.
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Pflaumer et al. (2006) studied this question.
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