Lung regions identified with CT improve the value of global inhomogeneity index measured with electrical impedance tomography | Zendy

Lin Yang | Zendy; Meng Dai | Zendy; Knut Möller | Zendy; Inéz Frerichs | Zendy; Andy Adler | Zendy; Feng Fu | Zendy; Zhanqi Zhao | Zendy

Open Access

Lung regions identified with CT improve the value of global inhomogeneity index measured with electrical impedance tomography

Author(s) -

Lin Yang,

Meng Dai,

Knut Möller,

Inéz Frerichs,

Andy Adler,

Feng Fu,

Zhanqi Zhao

Publication year - 2021

Publication title -

quantitative imaging in medicine and surgery

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.766

H-Index - 21

eISSN - 2223-4292

pISSN - 2223-4306

DOI - 10.21037/qims-20-682

Subject(s) - electrical impedance tomography , lung , medicine , nuclear medicine , interquartile range , ventilation (architecture) , tomography , thorax (insect anatomy) , reproducibility , radiology , anatomy , mathematics , physics , statistics , thermodynamics

The global inhomogeneity ( GI ) index is a functional electrical impedance tomography (EIT) parameter which is used clinically to assess ventilation distribution. However, GI may underestimate the actual heterogeneity when the size of lung regions is underestimated. We propose a novel method to use anatomical information to correct the GI index calculation.

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