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May 8, 2026PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS

Three-dimensional Electrical Impedance Tomography for Monitoring Gastric Hemorrhage

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Authors

ZZZi-Han ZHAOBSBo SunJHJingshi Huang

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Overview

Randomized trial demonstrates improved spatial resolution and dynamic monitoring in gastric hemorrhage, suggesting a noninvasive alternative to invasive imaging methods.

Key Points

  • The research aims to develop a noninvasive method for real-time monitoring of gastric hemorrhage using three-dimensional electrical impedance tomography.
  • Developed a 3D upper-abdominal simulation model incorporating gastric structures.
  • Evaluated three electrode configurations for sensitivity and resolution.
  • Conducted in vivo animal experiments using a porcine model with progressive blood injection.
  • The opposed dual-plane electrode array improved depth sensitivity and spatial resolution, with ICC improving by 55.9% in a 40 ml model.
  • Hemorrhage volumes reconstructed closely matched actual bleeding locations in laboratory conditions.
  • In vivo experiments showed stable detection of bleeding location and volume correlating linearly with injected blood volume.

Cite This Study

ZHAO et al. (2026) studied this question.

synapsesocial.com/papers/69fd7d4abfa21ec5bbf05db7https://doi.org/10.3724/j.pibb.2025.0520
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