Work

Novel method for displaying the contact index in fixed-loop pulsed field ablation catheters

Year: 2026

Type: article

Abstract: Adequate electrode–tissue contact is considered important for effective pulsed field ablation (PFA) in patients with atrial fibrillation (AF) using a fixed-loop PFA catheter (PulseSelect PFA Loop catheter, Medtronic, Minneapolis, MN, USA). The Contact Index (CI) in EnSite X Software (Abbott, Abbott Park, IL, USA) helps visualize tissue contact through impedance elevation. (1) However, CI was originally designed for a spline-based PFA catheter (FARAWAVE, Boston Scientific, Marlborough, MA). When applied to a fixed-loop PFA catheter, only odd-numbered electrodes are displayed, making comprehensive assessment of all nine electrodes difficult.

Source: HeartRhythm Case Reports

DOI: 10.1016/j.hrcr.2026.07.017

Authors: Kazuki Ito, Yoshihisa Naruse, Makoto Sano, Yuichiro Maekawa

Institution: Hamamatsu University School of Medicine

Language: English

Topic: Cardiac Arrhythmias and Treatments

Subfield: Cardiology and Cardiovascular Medicine

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $1,100