Atrial Fibrillation Patients' Electrophysiology

The electrical recordings from 25 atrial fibrillation patients from Hospital Gregorio Marañón, Madrid, Spain (Ethics Committee Approval 475/14) described elsewhere (Rodrigo et al., 2020 (link); Molero et al., 2021 (link)) were used. To record the signals 57 electrodes distributed on the torso of the patients were employed. The atrial geometries were also obtained from the same patients using Magnetic Resonance Imaging, and the 3D models were segmented through ITK-Snap (Yushkevich et al., 2006 (link)) and Autodesk Meshmixer (Schmidt and Singh, 2010 (link)). Furthermore, the torso models were obtained from photogrammetry, and 3D geometries consisting of triangular meshes were constructed (Remondino, 2004 (link)) and refined with Autodesk Meshmixer.

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Molero R., González-Ascaso A., Hernández-Romero I., Lundback-Mompó D., Climent A.M, & Guillem M.S. (2022). Effects of torso mesh density and electrode distribution on the accuracy of electrocardiographic imaging during atrial fibrillation. Frontiers in Physiology, 13, 908364.

Publication 2022

Autodesk Meshmixer

Atrial Atrial fibrillation Electrical Ethics committee Patients Photogrammetry Torso

Corresponding Organization :

Other organizations : Universitat Politècnica de València

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Variable analysis

independent variables

Atrial geometries obtained from Magnetic Resonance Imaging
Torso models obtained from photogrammetry

dependent variables

Electrical recordings from 25 atrial fibrillation patients

control variables

57 electrodes distributed on the torso of the patients

controls

No positive or negative controls were explicitly mentioned in the information provided.

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