A single-plane electrical impedance tomography framework for integrated liver and kidney assessment

A single-plane EIT approach can reconstruct liver and kidney images from one abdominal belt, with kidney-plane CAPEIT showing strong test-retest reliability (R2 = 0.98).

• Why it matters: Coexisting chronic liver and kidney disease are usually assessed with separate workflows, and multi-organ EIT has required different acquisition protocols, limiting portability and simplicity.
• What they did: The study tested a single-plane framework across abdominal belt locations, comparing image correlation and normalized root mean squared error versus conventional organ-specific planes, then ran test-retest after belt removal and reapplication.
• The result: Kidney-plane CAPEIT had similarly strong repeatability to the liver plane (R2 = 0.98 vs 0.97) and, in an independent cohort, was higher with high metabolic liver-risk (p < 0.005) with AUC = 0.756.

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