Abstract
BackgroundWhile steerable sheaths are widely used to improve catheter stability and contact force during radiofrequency (RF) catheter ablation in patients with atrial fibrillation (AF), steerable sheaths are less commonly used during transseptal puncture. This study evaluated whether left atrial catheterization efficiency can be improved using the VersaCross combined steerable sheath and transseptal system compared to previous standard workflow. MethodsThis study retrospectively analyzed AF ablation performed using the VersaCross Workflow consisting of VersaCross steerable sheath and RF wire for transseptal puncture and catheter ablation (VCW) to the standard workflow using a fixed curve sheath with RF needle followed by exchange for an Agilis steerable sheath for catheter ablation (STW). ResultsThirty patients underwent RF ablation for paroxysmal or persistent AF, 15 using the VCW and 15 using the STW. Transseptal puncture time was 10.8 mins faster with the VCW compared to the standard workflow (20.9 ± 5.9 min vs. 31.7 ± 15.1 min; p = 0.024). Time to left atrial catheterization was 40% faster with the VCW compared to the STW (21.3 ± 5.8 min vs. 35.2 ± 14.4 min; p = 0.003). Overall procedure time was 14.2 min faster in the VCW compared to the STW (86.3 ± 16.1 min vs. 100.5 ± 19.3 min; p = 0.044). ConclusionsUse of the VersaCross steerable system significantly reduced time to transseptal puncture, time to left atrial catheterization, and overall RF ablation time.
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