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. 2024 Oct 3;26(10):euae262.
doi: 10.1093/europace/euae262.

Cavotricuspid isthmus ablation using a pentaspline pulsed field ablation catheter: feasibility and acute results

Corentin Chaumont  1   2 , Pierre Ollitrault  3 , Arnaud Savoure  1 , Raphael Al Hamoud  1 , Jonaz Font  3 , Helene Eltchaninoff  1   2 , Paul Milliez  3 , Laure Champ-Rigot  3 , Frederic Anselme  1   2
Affiliations

Cavotricuspid isthmus ablation using a pentaspline pulsed field ablation catheter: feasibility and acute results

Corentin Chaumont et al. Europace. .
No abstract available

Keywords: Atrial fibrillation; Atrial flutter; Cavotricuspid isthmus; Pulsed field ablation.

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Conflict of interest statement

Conflict of interest: A.S., R.A.H., J.F., H.E., and P.M.: none declared; C.C. is a consultant for and has received lecture fees from Medtronic. P.O. has received consulting fees from Biotronik, Boston Scientific, Biosense Webster, Medtronic, and Zoll. L.C.-R. has received consulting fees from Boston Scientific, Medtronic, and MicroPort CRM. F.A. a is consultant for and has received lecture fees from Boston Scientific, Medtronic, and MicroPort CRM.

Figures

Figure 1
Figure 1
(A) Pentaspline PFA catheter positioning during CTI ablation. (B) Sinus rhythm restoration observed after the first PFA application. Note the widely separated (105 ms) local double potentials alongside the ablation line during proximal CS pacing (stars and lines). (C) 3D electroanatomical map of the right atrium pre- and post-CTI ablation using the pentaspline PFA catheter in indirect ‘basket’ configuration. Activation maps pre- and post-ablation (top panels). Early activation is displayed as red and late activation as purple. Note the propagation block on the CTI and the late activation on the lateral side of the ablation line during proximal CS pacing. Voltage maps pre- and post-ablation (bottom panels). Normal bipolar voltage is displayed as purple. Low voltage areas are displayed across the rest of the color scale. Note the extensive low voltage (<0.05 mV) on the CTI with normal voltage (>0.5 mV) in the lateral and septal regions of the CTI. AFl, atrial flutter; CTI, cavotricuspid isthmus; IVC, inferior vena cava; PFA, pulsed field ablation; PVI, pulmonary vein isolation; TA, tricuspid annulus.
See this image and copyright information in PMC

References

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