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Updated: Feb 19, 2026

Cooling or Warming the Esophagus to Reduce Esophageal Injury During Left Atrial Ablation in the Treatment of Atrial Fibrillation
Published on: March 15, 2020
Numerical evaluation of RF-induced heating for various esophageal stent designs under MRI 1.5 Tesla system
Xiaohe Ji1, Jianfeng Zheng1, Ji Chen1
1a Department of Electrical and Computer Engineering, University of Houston , Houston , TX , USA.
Abstract:
This paper presents a numerical investigation of radio frequency (RF)-induced heating for various esophageal stent designs under magnetic resonance imaging (MRI). The length, patterns and insulation layer as well as the radius of the wire are comprehensively evaluated. It is shown that different stent designs can alter the induced current distributions on the stent and consequently its corresponding heating. Detailed discussions on these factors on RF heating are presented.
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Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...