Study led by Dr. Thomas Dewland, 2022

Randomized comparison of a radiofrequency wire versus a radiofrequency needle system for transseptal puncture1

Faster transseptal puncture and reduced fluoroscopy 

The VersaCross™ radiofrequency (RF) wire-based transseptal workflow for RF ablation resulted in a faster time to transseptal puncture, compared to an RF needle-based workflow.

Key takeaways

Achieved 25% faster time to first transseptal puncture (TSP)

Achieved 32% faster total TSP time

Observed 30% lower trend for overall fluoroscopy time

25% faster time to first TSP, with less variability in procedure time 

Bar chart illustrating time to first transseptal puncture from use of the RF wire-based VersaCross RF Transseptal Solution or an RF needle.

32% faster total TSP time, with less variability in procedure time*

Bar chart illustrating combined transseptal puncture time from use of the RF wire-based VersaCross RF Transseptal Solution or an RF needle.

30% lower trend for overall fluoroscopy time*

Bar chart illustrating fluoroscopy time from use of the RF wire-based VersaCross RF Transseptal Solution or an RF needle.

Transseptal reimagined.

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References:

  1. Dewland, T.A., et al. (2022). Randomized Comparison of a Radiofrequency Wire Versus a Radiofrequency Needle System for Transseptal Puncture. JACC Clin Electrophysiol, 9(5), 611-619. doi: 10.1016/j.jacep.2022.10.017

* A double transseptal puncture was used in 30 (83%) participants in the RF needle group and 35 (90%) in the RF wire group (P = 0.41), and the remaining participants underwent single transseptal puncture.

Normally distributed continuous variables are presented as mean and non-normally distributed continuous variables represented as median (IQR).

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