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Effects of the visualized steerable sheath applied to catheter ablation of paroxysmal atrial fibrillation

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Abstract

Purpose

A new type of visualized steerable sheath (Vizigo sheath; Biosense Webster Inc., Irvine, CA, USA) has been employed in clinical treatment. This study aimed to compare the effectiveness and safety of the Vizigo sheath to a fixed sheath (Swartz sheath; St. Jude Inc., St. Paul, MN, USA) for catheter ablation of paroxysmal atrial fibrillation (PAF).

Methods

We analyzed the procedural time, fluoroscopy time, contact force (CF), and initial pulmonary vein isolation (PVI) rate. After 6 months of follow-up, the success rate of ablation between the two groups was compared.

Results

Compared to the Swartz sheath, using the Vizigo sheath can significantly reduce the total procedural time and fluoroscopy time and increase the overall average CF, especially in the anterior left pulmonary vein (LPV), superior LPV, posterior right pulmonary vein (RPV), and superior RPV. The proportion of CF within a reasonable range in the Vizigo group was significantly higher than that in the Swartz group, especially in the anterior LPV, posterior RPV, and superior RPV. Besides, the left, right, and bilateral initial PVI rates in the Vizigo group were significantly higher.

Conclusions

The visualized steerable sheath for PAF catheter ablation not only reduced radiation exposure but also significantly improved CF and initial PVI rate, all of which indicated an increased rate of successful ablation.

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Acknowledgment

The research leading to these results received funding from 1·3·5 project for disciplines of excellence-Clinical Research Incubation Project, West China Hospital, Sichuan University.

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Author notes

  1. Ran Guo and Ruikun Jia contributed equally to this work.

Authors and Affiliations

  1. West China Hospital, (Department of Cardiology), Sichuan University, Chengdu, 610041, People’s Republic of China

    Ran Guo, Ruikun Jia, Zhifu Cen, Sijie Lu, Chao Yang, Shaojie Han & Kaijun Cui

  2. Mianyang Central Hospital, (Department of Cardiology), University of Electronic Science and Technology of China, Mianyang, 621000, People’s Republic of China

    Dong Li

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  1. Ran Guo
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  2. Ruikun Jia
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  3. Zhifu Cen
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  4. Sijie Lu
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  5. Chao Yang
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  6. Shaojie Han
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  7. Dong Li
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  8. Kaijun Cui
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Corresponding authors

Correspondence to Dong Li or Kaijun Cui.

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Ethics approval

This study conformed to the principles of the 1964 Helsinki Declaration and was approved by the ethics committee of West China Hospital, Sichuan University. An informed consent form was obtained from all participants after the details of the study were explained.

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The authors declare no competing interests.

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Guo, R., Jia, R., Cen, Z. et al. Effects of the visualized steerable sheath applied to catheter ablation of paroxysmal atrial fibrillation. J Interv Card Electrophysiol 64, 511–518 (2022). https://doi.org/10.1007/s10840-021-01096-7

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  • DOI: https://doi.org/10.1007/s10840-021-01096-7

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