Catheter–tissue contact optimizes pulsed electric field ablation with a large area focal catheter
SK Doshi, MC Flaherty, J Laughner… - Journal of …, 2024 - Wiley Online Library
Introduction Pulsed electric field (PEF) ablation relies on the intersection of a critical voltage
gradient with tissue to cause cell death. Field‐based lesion formation with PEF technologies …
gradient with tissue to cause cell death. Field‐based lesion formation with PEF technologies …
Long-term durability of high-and very high-power short-duration PVI by invasive remapping: the HPSD Remap Study
N Szegedi, Z Salló, VK Nagy, I Osztheimer… - Circulation …, 2024 - Am Heart Assoc
BACKGROUND: High-power short-duration ablation has shown impressive efficacy and
safety for pulmonary vein isolation (PVI); however, initial efficacy results with very high …
safety for pulmonary vein isolation (PVI); however, initial efficacy results with very high …
Electrophysiological and histological characterization of atrial scarring in a model of isolated atrial myocardial infarction
G Amorós-Figueras, S Casabella-Ramon… - Frontiers in …, 2023 - frontiersin.org
Background: Characterization of atrial myocardial infarction is hampered by the frequent
concurrence of ventricular infarction. Theoretically, atrial infarct scarring could be recognized …
concurrence of ventricular infarction. Theoretically, atrial infarct scarring could be recognized …
Higher power achieves greater local impedance drop, shorter ablation time, and more transmural lesion formation in comparison to lower power in local impedance …
S Yamashita, A Mizukami, M Ono… - Journal of …, 2023 - Wiley Online Library
Background Since the local impedance (LI) of the ablation catheter reflects tissue
characteristics, the efficacy of higher power (HP) compared to lower power (LP) in LI‐guided …
characteristics, the efficacy of higher power (HP) compared to lower power (LP) in LI‐guided …
Combining contact force and local impedance to treat idiopathic premature ventricular contractions from the outflow tracts: impact of ablation strategy on outcomes
V Schillaci, A Arestia, F Maddaluno, G Shopova… - Journal of Interventional …, 2023 - Springer
Background Contact force (CF)-sensing catheters have not proved superior to standard
catheters in the ablation of premature ventricular contractions (PVCs) from the right and left …
catheters in the ablation of premature ventricular contractions (PVCs) from the right and left …
Contact force and catheter stability are predictive metrics of successful pulmonary vein isolation with high‐power short duration ablation in atrial fibrillation
S Honarbakhsh, CA Martin, G Dhillon… - Journal of …, 2023 - Wiley Online Library
Introduction Preliminary data suggest that high power short duration (HPSD) ablation for
pulmonary vein isolation (PVI) are safe. Limited data are available on its effectiveness. Aim …
pulmonary vein isolation (PVI) are safe. Limited data are available on its effectiveness. Aim …
Lesion characteristics using high‐frequency low‐tidal volume ventilation versus standard ventilation during ablation of paroxysmal atrial fibrillation
X Qian, PC Zei, J Osorio, D Hincapie… - Journal of …, 2024 - Wiley Online Library
Introduction High‐frequency low‐tidal‐volume (HFLTV) ventilation during radiofrequency
catheter ablation (RFCA) for paroxysmal atrial fibrillation (PAF) has been shown to be …
catheter ablation (RFCA) for paroxysmal atrial fibrillation (PAF) has been shown to be …
Impact of weight adjusted high frequency low tidal volume ventilation and atrial pacing in lesion metrics in high‐power short‐duration ablation: Results of a pilot study
F Vassallo, C Volponi, C Cunha… - Journal of …, 2024 - Wiley Online Library
Introduction Lesion size index (LSI) was introduced with the use of Tacticath™ and as a
surrogate of lesion quality. The metric used to achieve the predetermined values involves …
surrogate of lesion quality. The metric used to achieve the predetermined values involves …
Impedance-guided modified CLOSE protocol ablation can reduce ablation index necessary for pulmonary vein isolation in patients with atrial fibrillation
T Nagase, T Kikuchi, T Unno, R Arai, S Tatsukawa… - Journal of …, 2024 - Elsevier
Background Real-time monitoring of generator impedance drop is not considered in CLOSE
protocol pulmonary vein (PV) isolation (PVI) in patients with atrial fibrillation (AF). We verified …
protocol pulmonary vein (PV) isolation (PVI) in patients with atrial fibrillation (AF). We verified …
Impedance drop during focal monopolar pulsed field ablation in the atrium
FIP Farnir, JGLM Luermans, FP Farnir… - Journal of Interventional …, 2024 - Springer
During radiofrequency (RF) ablation, lesion formation is associated with changes in tissue
properties by resistive and conductive heating, which can be documented clinically by a …
properties by resistive and conductive heating, which can be documented clinically by a …