The use of a nonfluoroscopic three-dimensional electroanatomic mapping system can facilitate successful radiofrequency ablation in patients with cardiac arrhythmias.
May support fluoroless ablation feasibility in select cases; hypothesis-generating case report that leaves open need for larger validation studies.
Radiofrequency catheter ablation is the current treatment of choice for several cardiac arrhythmias. The conventional approach utilizing intracardiac electrograms during sinus rhythm and during tachycardia has inherent limitations including limited two-dimensional fluoroscopic imaging and the ability to evaluate several potential sites for ablation and to go precisely to the most suitable site. Recently, a nonfluoroscopic three-dimensional electroanatomic system has been developed for mapping arrhythmias. We describe in this report the advantage of utilizing the system in facilitating a successful outcome in three patients with different arrhythmias.
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Varanasi et al. (1999) studied this question.
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