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variable loop circular catheter vlcc  (Biosense Webster)

 
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    Structured Review

    Biosense Webster variable loop circular catheter vlcc
    Study design. (A) The current study comprised a series of experiments to evaluate the safety and efficacy of irrigation in <t>VLCC.</t> The corresponding examination was listed in the table. (B) The irrigation effect through 0 to 60 mL/min was presented by infusing a dye-colored solvent under a high-speed camera (1000 fps) in the same moment. ICE, Intracardiac echocardiography; MRI, Magnetic resonance imaging.
    Variable Loop Circular Catheter Vlcc, supplied by Biosense Webster, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/variable+loop+circular+catheter+vlcc/catheter+circular+loop+variable/pmc12866922-107-1-11
    Average 86 stars, based on 1 article reviews
    variable loop circular catheter vlcc - by Bioz Stars, 2026-09
    86/100 stars

    Images

    1) Product Images from "Impact of saline irrigation on haemolysis, silent cerebral lesion incidence, thermal dynamics, and bubble formation in pulsed field ablation with a variable-loop circular catheter"

    Article Title: Impact of saline irrigation on haemolysis, silent cerebral lesion incidence, thermal dynamics, and bubble formation in pulsed field ablation with a variable-loop circular catheter

    Journal: Europace

    doi: 10.1093/europace/euag005

    Study design. (A) The current study comprised a series of experiments to evaluate the safety and efficacy of irrigation in VLCC. The corresponding examination was listed in the table. (B) The irrigation effect through 0 to 60 mL/min was presented by infusing a dye-colored solvent under a high-speed camera (1000 fps) in the same moment. ICE, Intracardiac echocardiography; MRI, Magnetic resonance imaging.
    Figure Legend Snippet: Study design. (A) The current study comprised a series of experiments to evaluate the safety and efficacy of irrigation in VLCC. The corresponding examination was listed in the table. (B) The irrigation effect through 0 to 60 mL/min was presented by infusing a dye-colored solvent under a high-speed camera (1000 fps) in the same moment. ICE, Intracardiac echocardiography; MRI, Magnetic resonance imaging.

    Techniques Used: Solvent, Magnetic Resonance Imaging

    Related Articles

    Solvent:

    Article Title: Low acute complication rates with a variable loop pulsed field ablation catheter: Early real-world experience from the REAL-AF registry.
    Article Snippet: With the recent relaunch of the Varipulse (Biosense Webster) variable loop circular catheter (VLCC), new instructions for use were issued, including regulatory approval for a 30 mL/min irrigation rate during ablation to mitigate electrode heating and potentially improve procedural safety.1 Although pivotal trials have demonstrated favorable outcomes with the VLCC, real-world data across diverse operators and centers are needed to validate these results.2,3 We report acute safety outcomes from the ongoing REALAF registry, focusing on procedures performed with the VLCC across participating sites in the United States.

    Article Title: Impact of saline irrigation on haemolysis, silent cerebral lesion incidence, thermal dynamics, and bubble formation in pulsed field ablation with a variable-loop circular catheter
    Article Snippet: A variable-loop circular catheter (VLCC) with an adjustable irrigation system (VARIPULSE, Biosense Webster, Irvine, CA, USA) and a three-dimensional electro-anatomical system (Carto 3, Biosense Webster, Irvine, CA, USA) was used throughout the experiments.

    Magnetic Resonance Imaging:

    Article Title: Low acute complication rates with a variable loop pulsed field ablation catheter: Early real-world experience from the REAL-AF registry.
    Article Snippet: With the recent relaunch of the Varipulse (Biosense Webster) variable loop circular catheter (VLCC), new instructions for use were issued, including regulatory approval for a 30 mL/min irrigation rate during ablation to mitigate electrode heating and potentially improve procedural safety.1 Although pivotal trials have demonstrated favorable outcomes with the VLCC, real-world data across diverse operators and centers are needed to validate these results.2,3 We report acute safety outcomes from the ongoing REALAF registry, focusing on procedures performed with the VLCC across participating sites in the United States.

    Article Title: Impact of saline irrigation on haemolysis, silent cerebral lesion incidence, thermal dynamics, and bubble formation in pulsed field ablation with a variable-loop circular catheter
    Article Snippet: A variable-loop circular catheter (VLCC) with an adjustable irrigation system (VARIPULSE, Biosense Webster, Irvine, CA, USA) and a three-dimensional electro-anatomical system (Carto 3, Biosense Webster, Irvine, CA, USA) was used throughout the experiments.



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    variable loop circular catheter vlcc  (Biosense Webster)
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    Biosense Webster variable loop circular catheter vlcc
    Study design. (A) The current study comprised a series of experiments to evaluate the safety and efficacy of irrigation in <t>VLCC.</t> The corresponding examination was listed in the table. (B) The irrigation effect through 0 to 60 mL/min was presented by infusing a dye-colored solvent under a high-speed camera (1000 fps) in the same moment. ICE, Intracardiac echocardiography; MRI, Magnetic resonance imaging.
    Variable Loop Circular Catheter Vlcc, supplied by Biosense Webster, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/variable+loop+circular+catheter+vlcc/catheter+circular+loop+variable/pmc12866922-107-1-11
    Average 86 stars, based on 1 article reviews
    variable loop circular catheter vlcc - by Bioz Stars, 2026-09
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    open-irrigated variable-loop circular catheter (vlcc)  (Biosense Webster)
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    Comparison of a high-density mapping catheter (Octaray) and a variable-loop circular catheter (Varipulse). The larger electrode size and greater inter-electrode spacing of the <t>VLCC</t> influence signal amplitude and morphology. As a result, voltage threshold adjustments are necessary to achieve a mapping performance comparable to that of a high-density mapping catheter.
    Open Irrigated Variable Loop Circular Catheter (Vlcc), supplied by Biosense Webster, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Comparison of a high-density mapping catheter (Octaray) and a variable-loop circular catheter (Varipulse). The larger electrode size and greater inter-electrode spacing of the <t>VLCC</t> influence signal amplitude and morphology. As a result, voltage threshold adjustments are necessary to achieve a mapping performance comparable to that of a high-density mapping catheter.
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    varipulsetm variable-loop circular catheter vlcc  (Biosense Webster)
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    Comparison of a high-density mapping catheter (Octaray) and a variable-loop circular catheter (Varipulse). The larger electrode size and greater inter-electrode spacing of the <t>VLCC</t> influence signal amplitude and morphology. As a result, voltage threshold adjustments are necessary to achieve a mapping performance comparable to that of a high-density mapping catheter.
    Varipulsetm Variable Loop Circular Catheter Vlcc, supplied by Biosense Webster, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Image Search Results


    Study design. (A) The current study comprised a series of experiments to evaluate the safety and efficacy of irrigation in VLCC. The corresponding examination was listed in the table. (B) The irrigation effect through 0 to 60 mL/min was presented by infusing a dye-colored solvent under a high-speed camera (1000 fps) in the same moment. ICE, Intracardiac echocardiography; MRI, Magnetic resonance imaging.

    Journal: Europace

    Article Title: Impact of saline irrigation on haemolysis, silent cerebral lesion incidence, thermal dynamics, and bubble formation in pulsed field ablation with a variable-loop circular catheter

    doi: 10.1093/europace/euag005

    Figure Lengend Snippet: Study design. (A) The current study comprised a series of experiments to evaluate the safety and efficacy of irrigation in VLCC. The corresponding examination was listed in the table. (B) The irrigation effect through 0 to 60 mL/min was presented by infusing a dye-colored solvent under a high-speed camera (1000 fps) in the same moment. ICE, Intracardiac echocardiography; MRI, Magnetic resonance imaging.

    Article Snippet: A variable-loop circular catheter (VLCC) with an adjustable irrigation system (VARIPULSE, Biosense Webster, Irvine, CA, USA) and a three-dimensional electro-anatomical system (Carto 3, Biosense Webster, Irvine, CA, USA) was used throughout the experiments.

    Techniques: Solvent, Magnetic Resonance Imaging

    Comparison of a high-density mapping catheter (Octaray) and a variable-loop circular catheter (Varipulse). The larger electrode size and greater inter-electrode spacing of the VLCC influence signal amplitude and morphology. As a result, voltage threshold adjustments are necessary to achieve a mapping performance comparable to that of a high-density mapping catheter.

    Journal: European Heart Journal. Case Reports

    Article Title: Voltage threshold adjustments for a novel pulsed-field ablation catheter with integrated mapping capabilities: lessons from a case series

    doi: 10.1093/ehjcr/ytaf231

    Figure Lengend Snippet: Comparison of a high-density mapping catheter (Octaray) and a variable-loop circular catheter (Varipulse). The larger electrode size and greater inter-electrode spacing of the VLCC influence signal amplitude and morphology. As a result, voltage threshold adjustments are necessary to achieve a mapping performance comparable to that of a high-density mapping catheter.

    Article Snippet: It consists of an open-irrigated variable-loop circular catheter (VLCC) with 10 electrodes (electrode length 3 mm, inter-electrode spacing 7 mm center-to-center) and is capable of both mapping and PFA (Varipulse, Biosense Webster, Irvine, CA, USA).

    Techniques: Comparison

    The left figure in each panel shows the high-density bipolar voltage map acquired with a dedicated mapping catheter (Octaray) and displayed with the standard voltage thresholds. The right figures show the maps acquired with the novel variable-loop circular catheter (VLCC, Varipulse) displayed with different bipolar voltage thresholds. Patient #1 underwent an index PVI with four isolated veins after PFA. Patient #2 underwent a redo PVI with a reconnected left lower pulmonary vein at the beginning of the procedure. Patient #3 shows wide antral PVI and scar on the posterior wall during a redo case. Patient #4 presented with an anterior scar. This map was acquired during a roof-dependent flutter, the tachycardia mechanism of which was also correctly identified by the VLCC. PFA, pulsed-field ablation; PVI, pulmonary vein isolation.

    Journal: European Heart Journal. Case Reports

    Article Title: Voltage threshold adjustments for a novel pulsed-field ablation catheter with integrated mapping capabilities: lessons from a case series

    doi: 10.1093/ehjcr/ytaf231

    Figure Lengend Snippet: The left figure in each panel shows the high-density bipolar voltage map acquired with a dedicated mapping catheter (Octaray) and displayed with the standard voltage thresholds. The right figures show the maps acquired with the novel variable-loop circular catheter (VLCC, Varipulse) displayed with different bipolar voltage thresholds. Patient #1 underwent an index PVI with four isolated veins after PFA. Patient #2 underwent a redo PVI with a reconnected left lower pulmonary vein at the beginning of the procedure. Patient #3 shows wide antral PVI and scar on the posterior wall during a redo case. Patient #4 presented with an anterior scar. This map was acquired during a roof-dependent flutter, the tachycardia mechanism of which was also correctly identified by the VLCC. PFA, pulsed-field ablation; PVI, pulmonary vein isolation.

    Article Snippet: It consists of an open-irrigated variable-loop circular catheter (VLCC) with 10 electrodes (electrode length 3 mm, inter-electrode spacing 7 mm center-to-center) and is capable of both mapping and PFA (Varipulse, Biosense Webster, Irvine, CA, USA).

    Techniques: Isolation