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|Title:||Integration of the data from electroanatomical mapping system and CT imaging modality|
|Citation:||International Journal of Cardiovascular Imaging, 2009; 25(4):425-432|
|P. Kuklik, L. Szumowski, J. J. Żebrowski and P. Sanders|
|Abstract:||Heart mapping systems allow approximate reconstruction of the heart chamber geometry which is used as a base for the representation of the spatial distribution of electrophysiological parameters. Main limitation lies in the difficulty of the reconstruction of the geometry of more complicated areas of the heart. Here, we propose a new method of representation of the spatial distribution of the electrophysiological parameters—an integration of the data points collected by a classical mapping system with the geometry reconstructed from a computed tomography (CT) image. CARTO maps of activation and bipolar viability of seven patients undergoing atrial fibrillation ablation were integrated with the geometry of the left atria reconstructed from the CT image. In all cases, integration was successful with the registration error measured as the distance between objects equal to 2.52 ± 0.25 mm. Bipolar viability and activation maps were reconstructed on the CT geometry. Our method allowed us to create maps of electrophysiological parameters of anatomically complex structures without the need for their detailed mapping.|
|Keywords:||Computed tomography; Electroanatomical mapping; Atrial fibrillation; 3D mapping|
|Appears in Collections:||Medicine publications|
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