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A practical guide for building a highway between atria during transseptal puncture without radiation [Anatol J Cardiol]
Anatol J Cardiol. Ahead of Print: AJC-89588 | DOI: 10.14744/AnatolJCardiol.2017.7525  

A practical guide for building a highway between atria during transseptal puncture without radiation

Yuan Yuan1, Deyong Long2, Caihua Sang2, Ling Tao1, Jianzeng Dong2, Changsheng Ma2
1Department of Cardiology, Xijing Hospital, Fourth Military Medical University; Xian-China
2Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University; Beijin-China

Objective: To investigate whether switching the ablation catheter between the right and left atria through transseptal puncture site can be accurately performed without fluoroscopy.
Methods: Forty patients with persistent atrial fibrillation (mean age, 60.27.4 years; 65% males) got 2C3L approach were randomized in a 1: 1 ratio to undergo either crossing interatrial septum guided by fluoroscopy (trackless group) or crossing septum guided by track image that was mapped by Carto3 system (track group).
Results: The three-dimensional image of the track could be mapped smoothly and shown clearly. No significant differences were found in the success rates between the two groups (100% vs. 100%, p>0.05). However, the procedure of crossing septum was completed without any fluoroscopy use in track group, which showed a shorter procedure time than trackless group (43 s vs. 2010 s, p<0.01).
Conclusion: Visualizing the track passing through the puncture site using Carto3 system can guide the ablation catheter in safely crossing the intra-atrial septum quickly with zero fluoroscopy. (Anatol J Cardiol 2017; 17: 000-00)

Keywords: transseptal puncture, interatrial septum, atrial fibrillation, catheter ablation, fast anatomical mapping




Corresponding Author: Yuan Yuan, China


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