ReviewPacing and clinical electrophysiology : PACE2026
How to Use a Variable Loop Circular Catheter to Perform Zero Fluoro Pulmonary Vein Isolation With Pulsed Field Ablation.
Review in Pacing and clinical electrophysiology : PACE, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Fluoroless Workflow for Pulsed Field Ablation of Atrial Fibrillation Using the Sphere-9 and VARIPULSE Catheters.Journal of clinical medicine · 2026Review
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe variable loop circular catheter (VLCC) called VARIPULSE is a novel device designed for catheter ablation of atrial fibrillation (AFib) and electro-anatomical mapping via 3D intracardiac echocardiography (ICE). Described herein is a streamlined workflow for AFib ablation and reported feasibility, procedural efficiency, and early safety signals of the first 34 consecutive patients. The technical details of step-by-step techniques are described to serve as a practical guide for clinicians and investigators.
methodsA retrospective, single-center review of procedural parameters was done on 34 paroxysmal and/or persistent AFib patients who were treated with a VLCC for both mapping and ablating between January 1, 2025 and May 15, 2025. The workflow of all procedures was comprised of general anesthesia administration, placement of 2 sheaths via ultrasound guided access, administration of a heparin bolus, 3D anatomical mapping of the pulmonary veins with CARTOSOUND FAM, a transeptal puncture, VLCC ablation, and then closure. Figures illustrating key procedural steps, including catheter maneuvering, are included.
resultsAll 34 cases were done without fluoroscopy, with a median procedural time of 40.5 [IQR 19] min. After 10 procedures per operator, consistently shorter procedure times (<45min) were achieved. No major acute or 30-day complications were observed.
conclusionThis review of the initial 34 patients undergoing ICE and cardiac ablation using the VLCC catheter, exhibits a fluoroless, streamlined workflow that is feasible and operationally efficient, with early safety signals that require validation in larger, prospective studies. Notably, this approach did not require multiple transvenous access sites, pre-procedural cross-sectional imaging, right atrial matrix, or additional multielectrode catheters that would necessitate frequent catheter-cable switching.
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