ArticlePacing and clinical electrophysiology : PACE2021
In vivo preliminary test of a new biparietal bidirectional bipolar radiofrequency magnetic coupling system.
Article in Pacing and clinical electrophysiology : PACE, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- In vivo preliminary test of a new biparietal bidirectional bipolar radiofrequency magnetic coupling system.Pacing and clinical electrophysiology : PACE · 2021Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo test in vivo a new design prototype for radio frequency (RF) ablation.
methodsA prototype based on a concept of endo-epicardial biparietal bipolar RF ablation with the atrial tissue interposed and consisting of two specular endocardial-epicardial catheters was tested in four pigs (80±5 kg). The endocardial catheter was introduced into the left atrium through the left atrial appendage on the beating heart. The epicardial counterpart was placed manually on the atrial epicardial surface. The coupling of the two catheters was achieved using a neodymium magnet around the gold plate electrode, and RF was applied to the interposed tissue. The hearts were excised, and the lesions were examined using morphometric evaluation.
resultsThe RF application resulted in transmural lesions in all of the four animals tested. In these animals the maximum endocardial width (W
conclusionsThe idea of an endocardial-epicardial bidirectional biparietal bipolar radiofrequency tool such that the atrial tissue is fully interposed between the two RF poles might be promising for future clinical applications. Further research is warranted.
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