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http://dx.doi.org/10.1007/s10840-024-01962-0 | DOI Listing |
J Interv Card Electrophysiol
August 2025
South Denver Cardiology, 1000 South Park Drive, Littleton, CO, 80120, USA.
The era of pulsed field ablation (PFA) has yielded considerable improvements in procedural safety for atrial fibrillation. However, given the fixed size and depth of the electrical field in first generation PFA modalities, ablation of substrates beyond the pulmonary veins with heterogeneity of tissue thickness can be challenging. Sequential PFA and radiofrequency (RF) from a focal tip catheter may offer an advantage in these challenging substrates with potential to deliver safe and deeper lesions.
View Article and Find Full Text PDFBackground And Aims: The multicentre, single-arm SmartfIRE study assessed the safety and effectiveness of the novel dual-energy THERMOCOOL SMARTTOUCH SF (DE STSF) contact-force sensing catheter with multimodality generator to deliver radiofrequency (RF) and unipolar biphasic pulsed field (PF) ablation. Three-month follow-up showed a 100% acute success rate with an acceptable safety profile. Results at 12 months post-ablation are summarised here.
View Article and Find Full Text PDFJ Invasive Cardiol
August 2025
Cleveland Clinic, Cleveland, Ohio.
Objectives: Increasing atrial fibrillation (AF) disease-related healthcare burden, coupled with positive evidence on catheter ablation for AF, has led to pressure on hospital procedure efficiency. Medtronic's Sphere-9 system (a novel lattice-tip dual-energy pulsed field and radiofrequency [RF] ablation catheter) demonstrated non-inferiority in effectiveness and superiority in procedural times compared with a contact-force sensing RF catheter (ThermoCool SmartTouch SF [STSF]). This analysis evaluated the impact of procedural efficiencies on electrophysiology (EP) lab utilization.
View Article and Find Full Text PDFJACC Clin Electrophysiol
June 2025
Division of Cardiac Electrophysiology, Houston Methodist DeBakey Heart and Vascular Center, Houston, Texas, USA. Electronic address:
Background: High-power short-duration (HPSD) radiofrequency ablation (RFA) and pulsed-field ablation (PFA) are intended to limit esophageal damage. The actual esophageal heating and damage risk are unclear.
Objectives: This study sought to assess luminal esophageal temperature (LET) kinetics and esophageal risk of HPSD and PFA.
HeartRhythm Case Rep
May 2025
Electrophysiology Department, Beacon Hospital, Sandyford, Dublin 18, Ireland.