Arrhythmias & electrophysiology
Randomized Comparison of a Radiofrequency Wire Versus a Radiofrequency Needle System for Transseptal Puncture
Authors' conclusion
The RF wire technique resulted in faster time to transseptal puncture and fewer equipment exchanges compared with an RF needle with no difference in complications.
Study context
- Population
- Adults ≥18 years undergoing double transseptal puncture for AF or left atrial flutter ablationno crossovers
- Participants
- 75 adults
- Comparison
- Radiofrequency (RF) wire vs RF needle for transseptal puncture
- RF wiren = 39
- RF needlen = 36reference
- Primary endpoint
- Time to achieve first transseptal puncture
Primary result
As reported in the abstract
First transseptal time
P = 0.03
Secondary outcomes
Second and combined transseptal times, number of equipment exchanges
- Also reduced with the RF wire
Safety
Events
| Outcome | RF wire | RF needle |
|---|---|---|
| Complications | 0 | 1 |
- Complications: RF needle: transient atrioventricular block due to mechanical trauma from the sheath/dilator assembly
Original publication
Randomized Comparison of a Radiofrequency Wire Versus a Radiofrequency Needle System for Transseptal Puncture. JACC Clin Electrophysiol. Published 30 November 2022. doi:10.
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