Filgueiras-Rama David, Estrada Alejandro, Shachar Josh, Castrejón Sergio, Doiny David, Ortega Marta, Gang Eli, Merino José L
Robotic Cardiac Electrophysiology and Arrhythmia Unit, La Paz University Hospital.
J Vis Exp. 2013 Apr 21(74):3658. doi: 10.3791/3658.
New remote navigation systems have been developed to improve current limitations of conventional manually guided catheter ablation in complex cardiac substrates such as left atrial flutter. This protocol describes all the clinical and invasive interventional steps performed during a human electrophysiological study and ablation to assess the accuracy, safety and real-time navigation of the Catheter Guidance, Control and Imaging (CGCI) system. Patients who underwent ablation of a right or left atrium flutter substrate were included. Specifically, data from three left atrial flutter and two counterclockwise right atrial flutter procedures are shown in this report. One representative left atrial flutter procedure is shown in the movie. This system is based on eight coil-core electromagnets, which generate a dynamic magnetic field focused on the heart. Remote navigation by rapid changes (msec) in the magnetic field magnitude and a very flexible magnetized catheter allow real-time closed-loop integration and accurate, stable positioning and ablation of the arrhythmogenic substrate.
为改善传统手动引导导管消融在诸如左心房扑动等复杂心脏基质中的现有局限性，已开发出新型远程导航系统。本方案描述了在人体电生理研究和消融过程中执行的所有临床及侵入性介入步骤，以评估导管引导、控制和成像（CGCI）系统的准确性、安全性和实时导航能力。纳入了接受右心房或左心房扑动基质消融的患者。具体而言，本报告展示了来自三例左心房扑动和两例逆时针方向右心房扑动手术的数据。影片中展示了一例具有代表性的左心房扑动手术。该系统基于八个线圈芯电磁铁，可产生聚焦于心脏的动态磁场。通过磁场强度的快速变化（毫秒级）进行远程导航以及使用非常灵活的磁化导管，可实现实时闭环整合，并对阵发性心律失常基质进行准确、稳定的定位和消融。
