Analysis of catheter contact force during atrial fibrillation ablation using the robotic navigation system: results from a randomized study

Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing
Antonio Dello RussoClaudio Tondo

Abstract

Contact with cardiac tissue is an important determinant of lesion efficacy during atrial fibrillation (AF) ablation. The Sensei X™ robotic navigation system (RNS) (Hansen Medical, Mountain View, CA, USA) has been validated for contact force (CF) sensing expressed in grams (g). The Thermocool® SmartTouch™ catheter enables the measurement of catheter tip CF and direction inside the heart. We aimed to investigate the catheter CF with and without RNS during pulmonary vein isolation (PVI) procedures. Eighty patients with symptomatic AF (56 males, age 63 ± 18) were enrolled in this study. Fifty-seven patients had paroxysmal AF and 23 early persistent AF. All procedures were performed with the Thermocool® SmartTouch™ ablation catheter. Forty patients were randomized to perform PVI with the Sensei X™ RNS (group 1), while in the other 40 patients (group 2), PVI was performed without the RNS. AF ablation was performed successfully in all patients without complications, while contact force was kept in the established 10-40 g range. A significantly higher CF was documented on the PVs in group 1 compared to group 2. The 1-year freedom from AF recurrence was higher in group 1 compared to group 2 (90 vs. 65 %, p = 0.04). Moreover, a significa...Continue Reading

References

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Citations

Feb 15, 2018·Surgical Endoscopy·Brian S PetersDmitry Oleynikov
Oct 11, 2017·Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology·Hugh CalkinsUNKNOWN Document Reviewers:
Feb 6, 2020·Journal of Cardiovascular Electrophysiology·Guillaume BassilJim W Cheung
Aug 31, 2018·Clinical Research in Cardiology : Official Journal of the German Cardiac Society·Jan-Hendrik van den BruckDaniel Steven
May 16, 2018·JACC. Clinical Electrophysiology·Bruce D Lindsay
Aug 17, 2021·The Neuroradiology Journal·Kazim H NarsinhDaniel L Cooke

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