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April 16, 2026Heart Rhythm1 citationsOpen Access

Characterization of a successful transseptal access with an electrified guidewire: An ex vivo ovine study

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SVSanjai Pattu ValappilDCDarius ChapmanAPAlexis Puvrez

Key Points

  • The aim is to examine how an electrified guidewire affects transseptal access and tissue interaction.
  • Conducted an ex vivo ovine study
  • Evaluated guidewire protrusion beyond 1 mm
  • Measured tissue temperature during procedures
  • Guidewire protrusion beyond 1 mm led to inconsistent perforation
  • Increased tissue temperature was observed with deeper protrusions

Abstract

Displacement of the IAS is required for successful ETSP. Guidewire protrusion beyond 1 mm resulted in inconsistent perforation and increased tissue temperature.

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Cite This Study

Valappil et al. (2026) studied this question.

synapsesocial.com/papers/69e07e582f7e8953b7cbf6b7https://doi.org/10.1016/j.hrthm.2026.01.052
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Incidence of Tissue Coring During Transseptal Catheterization When Using Electrocautery and a Standard Transseptal Needle2012 · 33 citations
  2. 2Trans-Septal Catheterization in the Electrophysiology Laboratory2006 · 208 citations
  3. 3Transcatheter creation of atrial septal perforation using a radiofrequency transseptal system: Novel approach as an alternative to transseptal needle puncture2005 · 36 citations
  4. 4Comparing the safety and effectiveness of dedicated radiofrequency transseptal wires to electrified metal guidewires2022 · 17 citations
  5. 5Intracardiac echocardiography guided electrified J‐wire trans‐septal puncture: A prospective randomized controlled trial2024 · 7 citations